CN220099089U

CN220099089U - Refining furnace pull rod mechanism

Info

Publication number: CN220099089U
Application number: CN202321594464.0U
Authority: CN
Inventors: 曹永敢; 袁洛; 李旭旭
Original assignee: Anhui Xinal Technology Co ltd
Current assignee: Anhui Xinal Technology Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-28
Anticipated expiration: 2033-06-20

Abstract

The utility model discloses a pull rod mechanism of a refining furnace, and relates to the technical field of refining furnaces. Including the bell, the bonnet top is provided with the gate pole, is provided with the hoisting structure on the gate pole for go up and down the operation to the bell, the gate pole outside is provided with the lift limit structure for spacing bell lift operation, and the hoisting structure is including setting up the arch platform in the ejector pin below of gate pole, and the arch platform sets up the position under the ejector pin of gate pole. According to the lifting device, through the arrangement of the lifting structure, the hydraulic cylinder drives the lifting plate to integrally lift so as to conveniently adjust the vertical direction positions of the lifting plate and the connecting lug plates, the screw is rotated to drive the lifting plate to be close to each other until the lifting plate is inserted into the connecting lug plates, and when the lifting device is lifted, the plurality of lifting plates lift the plurality of connecting lug plates, so that the bearing force of the arched pull rod on the furnace cover is dispersed, the arched pull rod is not damaged easily, and the service life is prolonged to a certain extent.

Description

Refining furnace pull rod mechanism

Technical Field

The utility model relates to the technical field of refining furnaces, in particular to a pull rod mechanism of a refining furnace.

Background

The refining furnace is a smelting device which is used for carrying out final deoxidation and alloying processes on molten steel in ferrous metallurgy in the hot working industry.

The Chinese patent publication No. CN208183014U discloses a pull rod mechanism of a refining furnace, which comprises a furnace cover and a pull rod, wherein the pull rod is arranged at the top of the furnace cover, the bottom of the pull rod is fixedly connected with the furnace cover, the top of the pull rod is provided with an upper end block, the upper part of the pull rod is sleeved with a lantern ring, and two sides of the upper end block are respectively connected with an L-shaped suspension arm.

The chain indirectly drives the furnace cover to rise, so that even if the hydraulic cylinder is out of order, the hydraulic cylinder cannot be synchronous, the balance of the furnace cover when rising cannot be affected, but the technical scheme still has certain defects, for example, the furnace cover is integrally pulled by using the independent pull rod, so that the bearing capacity of the pull rod is larger, the pull rod is damaged more easily, and the service life of the pull rod is shortened.

Disclosure of Invention

The utility model aims to provide a pull rod mechanism of a refining furnace, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a refining furnace pull rod mechanism, including the bell, the bonnet top is provided with the gate pole, be provided with the hoisting structure on the gate pole, be used for carrying out the lift operation to the bell, the gate pole outside is provided with the lift limit structure, be used for spacing bell lift operation, the hoisting structure is including setting up the arch platform in the ejector pin below of gate pole, the arch platform sets up the ejector pin position under the gate pole, be provided with the pneumatic cylinder between the ejector pin of arch platform and gate pole, be used for driving the whole lift operation that goes up of arch platform, it is equipped with the screw rod to insert between the both sides vertical table of arch platform, the both sides vertical table bottom of arch platform is fixed with the cross platform that contacts with the both sides pole of gate pole to the outside, symmetrical cover is equipped with the movable block on the screw rod, the movable block top is fixed with the U type limiting plate that slides mutually and sets up with the arch platform, the movable block bottom all is fixed with the arch pull rod, arch pull rod bottom relatively is fixed with the lift plate, be fixed with a plurality of engaging lug boards with lift plate looks adaptation on the bell.

Preferably, the lateral platform is fixed with the stopper to outside face symmetry, has seted up the spacing groove of looks adaptation on the gate-type pole for spacing the holistic lift of arch platform, the screw rod is connected with the both sides of arch platform and erects the platform and rotate mutually, and screw rod one end is connected with rotation motor.

Preferably, the moving block, the U-shaped limiting plate and the arched pull rod are integrated, the two moving blocks are respectively provided with a thread groove which is matched with the external thread of the screw rod and has the same and opposite directions, and the U-shaped limiting plate is matched with the transverse platform of the arched platform.

Preferably, the lifting plate is provided with a groove, and the groove is matched with the connecting lug plate and is used for buckling the connecting lug plate and the groove.

Preferably, the transverse pipes are symmetrically arranged between the arched pull rods, the transverse pipes are fixed with the arched pull rods positioned on one side, the transverse pipes are internally provided with cross rods which are matched with each other, the cross rods are fixed with the arched pull rods positioned on the other side, the inserting rods are fixed at one ends of lifting plates positioned on one side, and the grooves matched with the inserting rods are formed at one ends of the lifting plates positioned on the other side.

Preferably, the lifting limiting structure comprises a plurality of positioning sleeve blocks arranged on the outer ring of the furnace cover, a limiting rod is inserted in the positioning sleeve blocks, a ring plate is fixed at the bottom end of the limiting rod, a connecting transverse plate is symmetrically fixed on the ring plate, a lifting rod connected between the bottom surfaces of the connecting transverse plate and the bottom plates of the door-shaped rods is arranged on the bottom surfaces of the connecting transverse plate, and the connecting transverse plate is in sliding connection with two side rods of the door-shaped rods.

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

this refining furnace pull rod mechanism, through the setting of hoisting structure, the pneumatic cylinder drives the lifting plate and wholly goes up and down the operation and be convenient for adjust lifting plate and the vertical direction position of engaging lug board, and the screw rod rotates and drives lifting plate and be close to each other until inserting and establish together, in penetrating into engaging lug board, when promoting, a plurality of lifting plates carry out the lifting to a plurality of engaging lug boards, have dispersed the arch pull rod and to the bearing force of bell to be difficult for leading to the arch pull rod to take place to damage, prolonged life to a certain extent.

Simultaneously, through the setting of lift limit structure, in carrying out lifting operation in-process to the bell, the locating sleeve piece slides on the gag lever post, has improved the lift stability of bell, and the jacking pole stretches out and draws back simultaneously and be convenient for carry out the lift adjustment to the annular plate position to be applicable to the furnace body of not co-altitude.

Drawings

FIG. 1 is a first perspective view of the present utility model;

FIG. 2 is a schematic view of a second perspective structure of the present utility model;

FIG. 3 is a front view of the present utility model;

fig. 4 is a schematic diagram of a three-dimensional splitting structure of the present utility model.

In the figure: 1. a furnace cover; 101. positioning sleeve blocks; 102. connecting an ear plate; 2. a gate-type lever; 201. a lifting rod; 202. a connecting transverse plate; 203. a ring plate; 204. a limit rod; 3. a hydraulic cylinder; 301. an arch table; 302. a screw; 303. a moving block; 304. a U-shaped limiting plate; 305. an arched tie rod; 306. a lifting plate; 307. a limit groove; 4. a transverse tube; 5. a furnace body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the use process of the refining furnace, the furnace cover 1 needs to be lifted by using the pull rod mechanism, and the pull rod mechanism provided by the utility model is specially used for carrying out the lifting operation of dispersing bearing force on the furnace cover 1.

As shown in fig. 1 to 4, the present utility model provides a technical solution: the refining furnace pull rod mechanism comprises a furnace cover 1, a gate-shaped rod 2 is arranged above the furnace cover 1, a lifting structure is arranged on the gate-shaped rod 2 and used for lifting the furnace cover 1, a lifting limiting structure is arranged on the outer side of the gate-shaped rod 2 and used for limiting the lifting operation of the furnace cover 1, the lifting structure comprises an arch-shaped table 301 arranged below a top rod of the gate-shaped rod 2, the arch-shaped table 301 is arranged at a position right below the top rod of the gate-shaped rod 2, a hydraulic cylinder 3 is arranged between the arch-shaped table 301 and the top rod of the gate-shaped rod 2 and used for driving the arch-shaped table 301 to integrally lift and operate, a screw 302 is inserted between vertical tables on two sides of the arch-shaped table 301, transverse tables which are in contact with two lateral rods of the gate-shaped rod 2 are outwards fixed on the vertical tables on two sides of the arch-shaped table 301, a moving block 303 is symmetrically sleeved on the screw 302, a U-shaped limiting plate 304 which is arranged in a sliding mode with the arch-shaped table 301 is fixedly arranged on the top of the moving block 303, an arch-shaped pull rod 305 is fixedly arranged on the bottom of the moving block 303, a furnace body 305 is fixedly arranged on the bottom end of the arch-shaped pull rod 306, a plurality of connecting lugs 102 which are matched with the lifting lugs 306 are fixedly arranged on the furnace cover 1, and 5 is arranged below the furnace cover 1.

As a specific embodiment, the lateral platform is symmetrically fixed with a limiting block on the lateral surface, the gate-shaped rod 2 is provided with a limiting groove 307 adapted to limit the overall lifting of the arch-shaped platform 301, the screw 302 is rotationally connected with the vertical platforms on both sides of the arch-shaped platform 301, one end of the screw 302 is connected with a rotating motor, the moving block 303, the U-shaped limiting plate 304 and the arch-shaped pull rod 305 are integrated, the two moving blocks 303 are respectively provided with a thread groove adapted to the external thread of the screw 302 and having the same and opposite directions, the U-shaped limiting plate 304 is adapted to the lateral platform of the arch-shaped platform 301, the lifting plate 306 is provided with a groove adapted to the connecting lug plate 102, and the connecting lug plate 102 is buckled with the groove.

As a specific embodiment, the transverse pipes 4 are symmetrically arranged between the arched pull rods 305, the transverse pipes 4 are fixed with the arched pull rods 305 positioned on one side, the transverse pipes 4 are internally provided with matched transverse rods, the transverse rods are fixed with the arched pull rods 305 positioned on the other side, the inserted rods are fixed at one ends of the lifting plates 306 positioned on one side, grooves matched with the inserted rods are formed at one ends of the lifting plates 306 positioned on the other side, the lifting plates 306 are driven by the hydraulic cylinders 3 to integrally lift through the lifting structure, the lifting plates 306 and the vertical positions of the connecting lug plates 102 are convenient to adjust, the screw rods 302 rotate to drive the lifting plates 306 to approach each other until the lifting plates 306 are inserted into the connecting lug plates 102, and when the arched pull rods are lifted, the bearing force of the arched pull rods 305 on the furnace cover 1 is dispersed, so that the arched pull rods 305 are not damaged, and the service life of the arched pull rods is prolonged to a certain extent.

As a specific embodiment, the lifting limiting structure comprises a plurality of positioning sleeve blocks 101 arranged on the outer ring of the furnace cover 1, a limiting rod 204 is inserted into the positioning sleeve blocks 101, a ring plate 203 is fixed at the bottom end of the limiting rod 204, a connecting transverse plate 202 is symmetrically fixed on the ring plate 203, a lifting rod 201 connected between the bottom surface of the connecting transverse plate 202 and the bottom plate of the door-shaped rod 2 is arranged, the connecting transverse plate 202 is in sliding connection with two side rods of the door-shaped rod 2, the positioning sleeve blocks 101 slide on the limiting rod 204 in the lifting operation process of the furnace cover 1 through the setting of the lifting limiting structure, the lifting stability of the furnace cover 1 is improved, and meanwhile, the lifting rod 201 stretches and stretches to facilitate lifting adjustment of the position of the ring plate 203 so as to be suitable for furnace bodies 5 with different heights.

Working principle: when the mechanism is used for lifting the furnace cover 1, when the furnace cover 1 is covered, the top surface of the annular plate 203 is flush with or lower than the top end surface of the furnace body 5, the furnace cover 1 is tightly covered, the hydraulic cylinder 3 drives the lifting plate 306 to wholly descend to a position convenient for penetrating into the connecting lug plate 102, then the screw rod 302 rotates to drive the arch pull rod 305 to relatively approach until the lifting plate 306 penetrates into the connecting lug plate 102, one end of the lifting plate 306 contacts, at the moment, the inserting rod is inserted into the lifting plate 306, the transverse rod is inserted into the transverse tube 4 to play a certain limiting effect, the groove is aligned with the connecting lug plate 102, the hydraulic cylinder 3 is controlled to drive the lifting plate 306 to ascend, at the moment, the lifting plate 306 clamps the connecting lug plate 102, the positioning stability of the lifting plate 306 to the connecting lug plate 102 is guaranteed, and the lifting operation is continuously completed. The furnace cover 1, the furnace body 5, the connecting lug plate 102 and the hydraulic cylinder 3 are the prior art, so the working principle thereof is not explained too much here.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims

1. Refining furnace pull rod mechanism, including the bell, its characterized in that: the furnace cover top is provided with the door type pole, be provided with the hoisting structure on the door type pole, be used for carrying out the lift operation to the bell, the door type pole outside is provided with the lift limit structure, be used for spacing bell lift operation, the hoisting structure is including setting up the arch platform in the ejector pin below of door type pole, the arch platform sets up the position under the ejector pin of door type pole, be provided with the pneumatic cylinder between the ejector pin of arch platform and door type pole, be used for driving the arch platform and wholly go up and down the operation, it is equipped with the screw rod to insert between the both sides vertical table of arch platform, the both sides vertical table bottom of arch platform is fixed with the horizontal platform that contacts with the both sides pole of door type pole to the outside, the symmetry cover is equipped with the movable block on the screw rod, the movable block top is fixed with the U type limiting plate that slides mutually with the arch platform and sets up, the movable block bottom all is fixed with the arch pull rod, arch pull rod bottom relatively is fixed with the lift plate, be fixed with a plurality of engaging lug plates with lift plate looks adaptation on the bell.

2. The refining furnace drawbar mechanism according to claim 1, characterized in that: limiting blocks are symmetrically fixed on the outer side faces of the transverse table, adaptive limiting grooves are formed in the gate-shaped rods and used for limiting lifting of the whole arch-shaped table, the screw rods are connected with vertical tables on two sides of the arch-shaped table in a rotating mode, and one ends of the screw rods are connected with rotating motors.

3. The refining furnace drawbar mechanism according to claim 1, characterized in that: the movable blocks, the U-shaped limiting plates and the arched pull rods are integrated, thread grooves which are matched with the external threads of the screw rods and have the same and opposite directions are formed in the two movable blocks respectively, and the U-shaped limiting plates are matched with the transverse tables of the arched tables.

4. The refining furnace drawbar mechanism according to claim 1, characterized in that: the lifting plate is provided with a groove which is matched with the connecting lug plate and used for buckling the connecting lug plate and the groove.

5. The refining furnace drawbar mechanism according to claim 1, characterized in that: the horizontal tube is fixed with the arch pull rod at one side, the cross rod is fixed with the arch pull rod at the other side, the inserting rod is fixed at one end of the lifting plate at one side, and the groove matched with the inserting rod is formed at one end of the lifting plate at the other side.

6. The refining furnace drawbar mechanism according to claim 1, characterized in that: the lifting limiting structure comprises a plurality of positioning sleeve blocks arranged on the outer ring of the furnace cover, limiting rods are inserted in the positioning sleeve blocks, annular plates are fixed at the bottom ends of the limiting rods, connecting transverse plates are symmetrically fixed on the annular plates, lifting rods connected between bottom plates of the connecting transverse plates and the gate-shaped rods are arranged on the bottom surfaces of the connecting transverse plates, and the connecting transverse plates are in sliding connection with two side rods of the gate-shaped rods.