CN211552455U

CN211552455U - Pneumatic fireproof door

Info

Publication number: CN211552455U
Application number: CN201922257559.3U
Authority: CN
Inventors: 夏天; 幸春; 范林
Original assignee: Anhui Kun Jun Intelligent Technology Co ltd
Current assignee: Anhui Kun Jun Intelligent Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-22
Anticipated expiration: 2029-12-13

Abstract

The utility model belongs to the technical field of smelt electric stove equipment, especially a pneumatic fire door that prevents, it sets up in the fire door department of smelting electric stove, include: fire prevention shelves screen, crossbeam and door plant assembly, fire prevention shelves screen have a rectangle opening and just right smelt the fire door of electric stove, the crossbeam includes first crossbeam and second crossbeam, first crossbeam with the second crossbeam welds respectively the last lower extreme of fire prevention shelves screen to constitute a set of support from top to bottom and can supply to control the gliding track of direction, the mobilizable arrangement of door plant assembly is in on first crossbeam and the second crossbeam, second crossbeam below be equipped with actuating mechanism and be used for driving the door plant assembly and remove and right the rectangle opening shield or open. The utility model has the advantages that: the manual work is replaced by the mechanical work, the labor force is reduced, the working efficiency is increased, and the working safety environment is enhanced.

Description

Pneumatic fireproof door

Technical Field

The utility model belongs to the technical field of smelt electric stove equipment, especially a pneumatic fire door.

Background

The smelting electric furnace, which is a main production device in the chemical and mineral smelting industry, is responsible for the functions of charging raw materials into the furnace, smelting the raw materials and discharging finished products; the surrounding environment of the equipment has high-temperature, splashing and other high-risk factors. And under the conditions of tapping and overhauling observation, the fireproof door of the tapping hole is kept open, and all the other time is closed, so that the splashing and the heat radiation are reduced.

At present, the industry is mostly manual operation, namely, a series of operation steps such as opening a fireproof door, opening an eye, discharging a furnace, blocking an eye and the like are carried out before a furnace platform by adopting a corresponding manual handheld tool, the potential safety hazard is serious, and the operation risk is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a pneumatic fire door.

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

the utility model provides a pneumatic fire door that prevents, its setting is in the fire door department of smelting electric stove, prevent that fire door includes: fire prevention shelves screen, crossbeam and door plant assembly, fire prevention shelves screen have a rectangle opening and just right smelt the fire door of electric stove, the crossbeam includes first crossbeam and second crossbeam, first crossbeam with the second crossbeam welds respectively the last lower extreme of fire prevention shelves screen to constitute a set of support from top to bottom and can supply to control the gliding track of direction, the mobilizable arrangement of door plant assembly is in on first crossbeam and the second crossbeam, second crossbeam below be equipped with actuating mechanism and be used for driving the door plant assembly and remove and right the rectangle opening shield or open.

In a further technical scheme, a push plate is welded at one side, close to the rectangular opening, of the lower end of the door plate assembly, and the push plate is in threaded connection with a piston rod of the driving mechanism, so that the driving mechanism drives the push plate to enable the door plate to move in the assembling mode and shield or open the rectangular opening.

In a further technical scheme, the driving mechanism is an air cylinder, the maximum telescopic stroke of the air cylinder is 1000mm, mechanical limit can be adopted in an effective stroke according to actual working conditions, and the starting or stopping position of the door is limited.

In a further technical scheme, the fireproof shield is further welded with a cylinder protection groove welded together, the cylinder protection groove welded together is further connected with a protective sleeve and encloses an accommodating space, and the driving mechanism is fixed in the accommodating space through a support plate.

In a further technical scheme, the door panel assembly further comprises four sets of sliding bearing assemblies, wherein every two sets of sliding bearing assemblies are arranged on the first cross beam and the second cross beam in a group, and wheel grooves of the sliding bearing assemblies are connected with profile clamping positions used by the cross beams in a clamping mode and used for transmitting force in a rolling direction, so that the sliding bearing assemblies cannot be loosened in the moving process.

In a further technical scheme, fire prevention shelves are kept away from at the rectangle opening one side of door plant assembly still is equipped with the indentation portion for in narrow and small scene, the withdrawal or the rotation of the frock of being convenient for.

Compared with the prior art, the utility model discloses following technological effect has:

the utility model discloses in through reforming transform original structure of preventing fire door, increased actuating mechanism, make mechanical drive replace manual work's mode, realized automation mechanized operation, reduced workman's operation risk, simultaneously, the utility model provides a prevent that fire door has replaced original traditional gate-type hinge opening mode with the translation opening mode, make the structure simpler, convenient operation.

Other features and advantages of the present invention will be described in detail in the following detailed description.

Drawings

Fig. 1 is a schematic view of an overall structure of a pneumatic fire door provided by the present invention;

fig. 2 is a schematic structural view of the assembly of the door panel of the pneumatic fireproof door provided by the present invention;

fig. 3 is a schematic structural view of a cylinder of the pneumatic fireproof door provided by the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

the reference numbers in the figures illustrate: 1-fireproof shield, 11-rectangular opening, 12-notch, 21-first beam, 22-second beam, 3-door plate assembly, 31-push plate, 32-sliding bearing assembly, 33-filling gasket, 4-cylinder, 41-cylinder groove welding, 42-protective sleeve, 43-support plate and 44-piston rod.

Detailed Description

In order to make the technical means, creation characteristics, achievement purpose and efficacy of the utility model easy to understand and understand, the utility model is further clarified by combining the specific drawings.

It should be noted that, in the present invention, when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, the utility model relates to a pneumatic fireproof door, it sets up in the fire door department of smelting the electric stove, prevent that fire door includes: fire prevention shelves screen 1, crossbeam and door plant assembly 3, fire prevention shelves screen 1 has a rectangle opening 11 and just right smelt the fire door of system electric stove, the crossbeam includes first crossbeam 21 and second crossbeam 22, first crossbeam 21 with second crossbeam 22 welds respectively the upper and lower end of fire prevention shelves screen 1 to constitute a set of support from top to bottom and can supply about the gliding track of direction, 3 mobilizable arrangements of door plant assembly are in on first crossbeam 21 and the second crossbeam 22, second crossbeam 22 below be equipped with actuating mechanism and be used for driving 3 removals of door plant assembly and right rectangle opening 11 shield or open.

In the prior art, a smelting electric furnace, which is a main production device in the chemical and mineral smelting industry, is responsible for the functions of raw material charging, raw material smelting and finished product discharging; the surrounding environment of the equipment has high-temperature, splashing and other high-risk factors. And under the conditions of tapping and overhauling observation, the fireproof door of the tapping hole is kept open, and all the other time is closed, so that the splashing and the heat radiation are reduced.

The utility model discloses in, provide a pneumatic fire door, through reforming transform original fire door's structure, increased actuating mechanism, make mechanical drive replace manual work's mode, realized automation mechanized operation, reduced workman's operation risk, simultaneously, the utility model provides a fire door has replaced original traditional gate-type hinge opening mode with the translation opening mode, makes the structure simpler, convenient operation, wherein, door plant assembly 3 adopts carbonate flame retardant material to make, more preferably, still be equipped with packing gasket 33 on the door plant assembly 3.

Further, a push plate 31 is arranged on one side of the lower end of the door panel assembly 3 close to the rectangular opening 11, and the push plate 31 is in threaded connection with a piston rod 44 of the driving mechanism, so that the driving mechanism drives the push plate 31 to move the door panel assembly 3 and shield or open the rectangular opening 11.

As a specific implementation manner, actuating mechanism is cylinder 4, the biggest flexible stroke 1000mm of cylinder 4 can adopt machinery spacingly in effective stroke according to operating condition, prescribes a limit to the start-up or the stop position of door.

The driving medium of the cylinder 4 is air, the cylinder 4 is a double-acting cylinder, a rod cavity and a rodless cavity respectively admit air or discharge air, one inlet and one outlet are achieved, a cylinder piston rod 44 is made to reciprocate, the door plate assembly 3 is driven to move horizontally left and right, the door plate assembly 3 which shields a furnace mouth is opened or closed, in addition, the driving medium is common, equipment can stably run in a ditch in some special occasions, and the working efficiency is improved.

In a further technical scheme, a cylinder protection groove seam 41 is further welded on the fireproof shield 1, the cylinder protection groove seam 41 is further connected with a protective sleeve 42 and encloses an accommodating space, and the driving mechanism is fixed in the accommodating space through a support plate 43, so that the driving mechanism is effectively protected, the danger of collision caused by the fact that the driving mechanism is exposed outside is reduced, and the service life of the driving mechanism is prolonged.

In a further embodiment, the door panel assembly 3 further comprises four sets of sliding bearing assemblies 32, which are arranged on the first cross beam 21 and the second cross beam 22 in pairs, respectively, and the wheel grooves of the sliding bearing assemblies 32 are in snap connection with the profiles used by the cross beams, and are used for transmitting force in the rolling direction so that the force cannot be loosened during the movement, wherein preferably, the sliding bearing assemblies 32 are double-sided wheels, and the wheel groove width of the sliding bearing assemblies is 44 mm.

As another specific embodiment of the present invention, the fire-proof screen 1 is kept away from the rectangular opening 11 one side of the door panel assembly 3 is further provided with a concave portion 12 for facilitating the return or rotation of the tool in a narrow field.

The utility model discloses a theory of operation does:

the air cylinder 4 is controlled by the electromagnetic directional valve, the rod cavity and the rodless cavity of the air cylinder 4 respectively enter or exit air, one inlet and one outlet are realized, the air cylinder piston rod 44 reciprocates, the push plate 31 in threaded connection with the air cylinder piston rod 44 reciprocates, the push plate 31 is welded with the door plate assembly 3, the door plate assembly 3 is driven to translate left and right, and the opening and closing functions of the door plate assembly 3 for shielding a furnace opening are realized.

The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pneumatic fire door that prevents, its setting is in the fire door department of smelting electric stove, its characterized in that, prevent that fire door includes:

the fireproof shield is provided with a rectangular opening and is opposite to the furnace mouth of the smelting electric furnace;

the cross beam comprises a first cross beam and a second cross beam, and the first cross beam and the second cross beam are respectively welded at the upper end and the lower end of the fireproof shield, so that a group of tracks which are supported up and down and can be guided to slide left and right are formed;

and the door panel assembly is movably arranged on the first cross beam and the second cross beam, and a driving mechanism is arranged below the second cross beam and is used for driving the door panel to move in an assembling way and shielding or opening the rectangular opening.

2. The pneumatic fireproof door of claim 1, wherein a push plate is welded to a side of the lower end of the door panel assembly close to the rectangular opening, and the push plate is in threaded connection with a piston rod of the driving mechanism, so that the driving mechanism drives the push plate to move the door panel assembly and shield or open the rectangular opening.

3. The pneumatic fire door of claim 1, wherein said drive mechanism is a pneumatic cylinder having a maximum extension stroke of 1000 mm.

4. The pneumatic fireproof door of claim 1, wherein the fireproof shield is further welded with a cylinder protection groove seam, the cylinder protection groove seam is further connected with a protective sleeve and encloses a containing space, and the driving mechanism is fixed in the containing space through a support plate.

5. The fire rated door as in claim 1, wherein said door panel assembly further comprises four sets of sliding bearing assemblies, each set of sliding bearing assemblies being disposed in pairs on said first beam and said second beam, said sliding bearing assemblies having wheel grooves that snap into engagement with a profile used by said beams.

6. The pneumatic fireproof door of claim 1, wherein the fireproof shield is further provided with an indentation at a side of the rectangular opening away from the door panel assembly for facilitating retraction or rotation of the tool in a confined field.