CN223388942U - Furnace door anti-falling mechanism for smelting furnace - Google Patents

Abstract

The utility model discloses an anti-falling mechanism of a furnace door for a smelting furnace, which comprises a furnace body and the furnace door, wherein the anti-falling mechanism is arranged between the furnace body and the furnace door and comprises a cylinder, a turnover plate and a pull rod, the cylinder and the turnover plate are both hinged at the top of the furnace body, the power output end of the cylinder is in rotary connection with the turnover plate, the pull rod is vertically arranged at the top of the furnace door, and a clamping groove matched with the turnover plate is arranged on the pull rod. When the furnace door is lifted and is lifted with the pull rod, the anti-falling mechanism drives the turnover plate to turn by using the air cylinder, the turnover plate is clamped into the clamping groove on the pull rod to lock the pull rod, the phenomenon that the furnace door suddenly falls down due to the fact that equipment for lifting the furnace door outside is failed or damaged is prevented, accidents are reduced, and the problem that a traditional chain is easy to break due to falling is solved.

Description

Furnace door anti-falling mechanism for smelting furnace

Technical Field

The utility model relates to the technical field of furnace door anti-falling mechanisms of smelting furnaces, in particular to a furnace door anti-falling mechanism for a smelting furnace.

Background

The existing smelting furnace comprises, but is not limited to, aluminum and iron smelting furnaces, a heat preservation furnace and the like, the furnace door is driven to lift through a hydraulic cylinder, the furnace door anti-falling device consists of two chains, when the furnace door is in a lifted and maintained state, the lifting hydraulic cylinder needs to bear force all the time, the furnace door is in a loose state when the furnace door is in a lifted state, once lifting power is suddenly lost (such as a hydraulic system is failed or damaged), the furnace door can fall from a high place until the chain is tensioned, the chain can be subjected to a very large impact force when the furnace door is suddenly pulled by the falling furnace door due to the fact that the weight of the furnace door is large, and the furnace door anti-falling mechanism can possibly damage surrounding people or objects under the condition, so that the furnace door anti-falling mechanism with the anti-falling effect on the lifted furnace door is needed.

Disclosure of utility model

The utility model aims to provide a furnace door anti-falling mechanism for a smelting furnace, which aims to solve the problems that when a chain is adopted in a traditional furnace door anti-falling mode and the furnace door suddenly falls down, the chain is subjected to very large impact force and is extremely easy to break.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a smelting furnace is with furnace gate anti-falling mechanism, includes furnace body and furnace gate, the furnace body with install anti-falling mechanism between the furnace gate, anti-falling mechanism includes cylinder, turnover plate and pull rod, the cylinder with the turnover plate all articulates the top of furnace body, the power take off end of cylinder with the turnover plate rotates to be connected, the pull rod is vertical to be installed the top of furnace gate, be provided with on the pull rod with the draw-in groove of turnover plate looks adaptation.

The technical scheme is that bearing lug plates are symmetrically arranged on two sides of the turnover plate.

The technical scheme is that the overturning plate is provided with an arc-shaped hole matched with the power output end of the air cylinder, the hinge hole of the overturning plate is eccentrically arranged and close to the air cylinder, and the hinge hole of the overturning plate is located at the outer side of the arc-shaped hole along the vertical direction.

The technical scheme is that the anti-slip concave is arranged on the top surface of the turnover plate matched with the pull rod.

The technical scheme is that a transition wedge surface is arranged on the side surface of the turnover plate, which is matched with the pull rod.

The further technical scheme is that an anti-falling chain is arranged between the furnace body and the furnace door.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

The utility model provides an anti-falling mechanism of a furnace door for a smelting furnace, which utilizes an air cylinder to drive a turnover plate to turn over when the furnace door is lifted up with a pull rod, clamps the turnover plate into a clamping groove on the pull rod, locks the pull rod, prevents the phenomenon that the furnace door suddenly falls down when equipment for lifting the furnace door is out of order or damaged, reduces the occurrence of accidents, and solves the problem that the traditional chain anti-falling is easy to break.

Drawings

FIG. 1 is a schematic view of a smelting furnace and furnace door according to the present utility model.

Fig. 2 is a schematic structural view of an anti-falling mechanism of a furnace door for a smelting furnace.

Fig. 3 is a schematic view of the structure of another state of fig. 2 according to the present utility model.

Fig. 4 is a schematic view of the structure of the anti-falling mechanism of fig. 2 according to the present utility model.

Fig. 5 is a schematic view of the anti-falling mechanism of fig. 2 according to the present utility model.

Fig. 6 is a schematic view of the structure of the roll-over panel of fig. 2 according to the present utility model.

Fig. 7 is a schematic view of the structure of the arc-shaped hole of the roll-over plate of fig. 6 according to the present utility model.

Reference numeral 1, furnace body; 2, a furnace door, 3, an anti-falling mechanism, 4, an air cylinder, 5, a turnover plate, 6, a pull rod, 7, a clamping groove, 8, a bearing lug plate, 9, an arc hole, 10, an anti-slip recess, 11, a transition wedge surface, 12 and an anti-falling chain.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

This embodiment shows in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a furnace gate anti-falling mechanism for smelting furnace, including furnace body 1 and furnace gate 2, install anti-falling mechanism 3 between furnace body 1 and the furnace gate 2, anti-falling mechanism 3 includes cylinder 4, upset board 5 and pull rod 6, and cylinder 4 and upset board 5 all articulate at the top of furnace body 1, and the power take off end and the upset board 5 rotation of cylinder 4 are connected, and pull rod 6 is vertical to be installed at the top of furnace gate 2, is provided with the draw-in groove 7 with upset board 5 looks adaptation on the pull rod 6.

When the furnace door 2 is lifted by a lifting mechanism (generally a hydraulic cylinder), the pull rod 6 rises together with the furnace door 2, after the pull rod 6 rises to a certain height, the cylinder 4 stretches to drive the turnover plate 5 to turn over, the turnover plate 5 is clamped into the clamping groove 7 on the pull rod to lock the pull rod 6, when the furnace door 2 needs to descend, the lifting mechanism slightly acts upwards to enable the top of the clamping groove 7 of the pull rod 6 to be higher than the turnover plate 5, then the cylinder 4 withdraws to enable the turnover plate 5 to be separated from the clamping groove 7 of the pull rod 6, and then the lifting mechanism starts to enable the furnace door 2 to move downwards, and when the furnace door 2 descends to a working position.

Preferably, the two sides of the turnover plate 5 are symmetrically provided with load-bearing ear plates 8.

The load-bearing lugs 8 serve to weigh and limit the position of the roll-over plate 5.

Embodiment two:

On the basis of the above embodiment, as shown in fig. 7, the arc-shaped hole 9 adapted to the power output end of the cylinder 4 is provided on the turnover plate 5, the hinge hole of the turnover plate 5 is eccentrically provided and is close to the cylinder, and the hinge hole of the turnover plate 5 is located outside the arc-shaped hole 9 in the vertical direction.

When the furnace door descends to the working position, the air cylinder 4 stretches out, at the moment, the turnover plate 5 is not tensioned and the like, the turnover plate 5 deflects to be in a position of inclining towards the pull rod 6 under the action of the gravity center of the turnover plate 5, as long as the pull rod 6 ascends, the turnover plate 5 can automatically enter the clamping groove 7 of the pull rod 6 on the basis of not interfering the ascending of the pull rod 6, the pull rod 6 is waited to lose the ascending force, and self-locking is completed, and the actions are repeated, so that the locking and anti-falling function of the furnace door which is lifted each time can be completed.

Preferably, the top surface of the turnover plate 5, which is matched with the pull rod 6, is provided with an anti-slip recess 10.

The pull rod 6 and the turnover plate 5 are ensured to be in a firm clamping state.

Preferably, the side of the tilting plate 5 that is adapted to the tie rod 6 is provided with a transition wedge surface 11.

The transition wedge surface 11 does not influence the rising of the pull rod 6 when the flipping plate 5 is in the gravity deflection state.

Preferably, an anti-falling chain 12 is arranged between the furnace body 1 and the furnace door 2.

Further ensuring the anti-falling effect.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The furnace door anti-falling mechanism for the smelting furnace comprises a furnace body (1) and a furnace door (2) and is characterized in that an anti-falling mechanism (3) is arranged between the furnace body (1) and the furnace door (2), the anti-falling mechanism (3) comprises a cylinder (4), a turnover plate (5) and a pull rod (6), the cylinder (4) and the turnover plate (5) are hinged to the top of the furnace body (1), the power output end of the cylinder (4) is rotationally connected with the turnover plate (5), the pull rod (6) is vertically arranged at the top of the furnace door (2), and a clamping groove (7) matched with the turnover plate (5) is formed in the pull rod (6).

2. The furnace door anti-falling mechanism for the smelting furnace according to claim 1, wherein the two sides of the turnover plate (5) are symmetrically provided with bearing lug plates (8).

3. The furnace door anti-falling mechanism for the smelting furnace according to claim 1, wherein the turnover plate (5) is provided with an arc-shaped hole (9) matched with the power output end of the air cylinder (4), the hinge hole of the turnover plate (5) is eccentrically arranged and is close to the air cylinder, and the hinge hole of the turnover plate (5) is positioned outside the arc-shaped hole (9) along the vertical direction.

4. The furnace door anti-falling mechanism for the smelting furnace according to claim 1, wherein the top surface of the turnover plate (5) matched with the pull rod (6) is provided with an anti-slip recess (10).

5. The furnace door anti-falling mechanism for the smelting furnace according to claim 1, wherein a transition wedge surface (11) is arranged on the side surface of the turnover plate (5) matched with the pull rod (6).

6. The furnace door anti-falling mechanism for the smelting furnace according to claim 1, wherein an anti-falling chain (12) is arranged between the furnace body (1) and the furnace door (2).