CN218511488U

CN218511488U - Rotary furnace door of metallurgical furnace

Info

Publication number: CN218511488U
Application number: CN202222195643.9U
Authority: CN
Inventors: 艾宪平; 陈应红; 彭永延; 麻叶龙
Original assignee: First Rare Materials Co Ltd
Current assignee: Anhui Yusheng Optoelectronic Technology Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-02-21
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to the technical field of furnace doors, and discloses a rotary furnace door of an industrial metallurgical furnace, which comprises a door body, a mounting bracket, a lifting assembly, a positioning rod, a limiting assembly and a control assembly, wherein the top end of the door body is hinged with a furnace body; the mounting bracket is mounted on the furnace body; the lifting assembly is arranged on the mounting bracket and is hinged with the door body; the lifting assembly is used for lifting the door body; one end of the positioning rod is connected with the lifting assembly; the limiting assembly is arranged on the mounting bracket, corresponds to the other end of the positioning rod and is used for sensing the height of the other end of the positioning rod; the control assembly is electrically connected with the lifting assembly and the limiting assembly respectively. The utility model discloses simple structure is compact, does not need long-term maintenance, and partial subassembly can keep away from the furnace body setting, makes things convenient for maintainer to maintain, improves factor of safety.

Description

Rotary furnace door of metallurgical furnace

Technical Field

The utility model relates to a furnace gate technical field especially relates to a rotatory furnace gate of metallurgical stove of industry.

Background

The industrial metallurgical furnace has wide types and application, and is used for carrying out heat treatment on various materials or workpieces in the metallurgical production process. Thermal treatment is a treatment process which is characterized by the temperature rise of materials or workpieces as an important characteristic, such as roasting, smelting, heating, heat treatment, drying and the like. Most production links of ferrous metallurgy and nonferrous metallurgy are not separated from a furnace. The materials and the workpieces are generally passed through the channel of the furnace door, and in order to ensure the atmosphere and the temperature in the furnace, the furnace door is required to have certain tightness and to have high reliability in opening and closing the furnace door.

However, most of the furnace doors of the existing industrial metallurgical furnace are manually opened, and some of the furnace doors are mechanically driven to be opened, but the existing mechanically driven furnace doors are complex in structure and are all positioned near the furnace body of the industrial metallurgical furnace, the surrounding environment of the industrial metallurgical furnace is complex, and the requirement on safety coefficient is high, so that the complex furnace door structure is not beneficial to regular maintenance, and the injury risk of maintenance personnel is increased; and the complex furnace door structure has lower reliability, which is not beneficial to the safety production on site.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotatory furnace gate of metallurgical stove of industry, simple structure is compact, does not need long-term maintenance, and partial subassembly can keep away from the furnace body setting, makes things convenient for maintainer to maintain, improves factor of safety.

In order to solve the technical problem, the utility model provides a rotatory furnace gate of metallurgical stove of industry, include:

the top end of the door body is hinged with the furnace body;

the mounting bracket is mounted on the furnace body;

the lifting assembly is arranged on the mounting bracket and is hinged with the door body; the lifting assembly is used for lifting the door body;

one end of the positioning rod is connected with the lifting assembly;

the limiting assembly is arranged on the mounting bracket, corresponds to the other end of the positioning rod and is used for sensing the height of the other end of the positioning rod;

and the control assembly is electrically connected with the lifting assembly and the limiting assembly respectively.

Preferably, the lifting assembly comprises a lifting hydraulic cylinder and a hydraulic pump, the lifting hydraulic cylinder and the hydraulic pump are respectively mounted on the mounting bracket, the lifting hydraulic cylinder is connected with the hydraulic pump, a telescopic rod of the lifting hydraulic cylinder is connected with the furnace door, and one end of the positioning rod is connected with a telescopic rod of the lifting hydraulic cylinder; the hydraulic pump is electrically connected with the control assembly.

Preferably, the door body is hinged to the door body, and the lifting assembly is hinged to the other end of the connecting piece.

Preferably, the connecting piece is of a crescent structure, and one end of the connecting piece is connected with the middle part of the door body.

Preferably, the positioning rod comprises a connecting rod, a first butt joint rod and a second butt joint rod, one end of the connecting rod is connected with the first butt joint rod, the other end of the connecting rod is connected with the second butt joint rod, and the connecting rod is respectively perpendicular to the first butt joint rod and the second butt joint rod.

Preferably, one end of the first diagonal bar faces opposite to one end of the second diagonal bar.

Preferably, the limiting assembly comprises a limiting rod, a first limiting switch and a second limiting switch, the limiting rod is vertically installed on the installation support, the first limiting switch is installed at one end of the limiting rod, and the second limiting switch is installed at the other end of the limiting rod; the other end of the positioning rod is positioned between the first limit switch and the second limit switch; the first limit switch and the second limit switch are respectively connected with the control component.

Preferably, the door body is of a hollow structure, and the heat insulation layer is filled inside the door body.

Preferably, the heat insulation layer is an asbestos layer.

Preferably, the thickness of the side wall of the door body is 1-3 cm.

The utility model discloses following beneficial effect has:

the utility model discloses a rotatory furnace gate of industry metallurgical furnace sets up the installing support, sets up lifting unit and door body coupling on the installing support, stimulates the door body through lifting unit, realizes that the door body rotates with the top as the axle, and then the door body is opened, and simple structure is compact; a positioning rod and a limiting assembly are arranged at the same time, one end of the positioning rod is connected with the lifting assembly, the other end of the positioning rod is far away from the furnace body, the limiting assembly is far away from the furnace body and is installed and matched with the positioning rod, and the lifting amplitude of the lifting assembly, namely the opening amplitude of the induction door body, is sensed; the structure is simple and compact, and the furnace body is convenient to keep away from for maintenance.

Drawings

FIG. 1 is a schematic structural view of a rotary furnace door of an metallurgical furnace according to an embodiment of the present invention.

Reference numerals are as follows:

100. a furnace body;

1. a door body; 2. mounting a bracket; 3. a lifting assembly; 3a, a lifting hydraulic cylinder; 4. positioning a rod; 5. a limiting component; 51. a limiting rod; 52. a first limit switch; 53. a second limit switch; 6. a connecting member.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1, a preferred embodiment of the present invention provides a rotary furnace door of an metallurgical furnace, comprising a door body 1, a mounting bracket 2, a lifting assembly 3, a positioning rod 4, a limiting assembly 5 and a control assembly, wherein the top end of the door body 1 is hinged to a furnace body 100; the mounting bracket 2 is mounted on the furnace body 100; the lifting component 3 is arranged on the mounting bracket 2, and the lifting component 3 is hinged with the door body 1; the lifting assembly 3 is used for lifting the door body 1; one end of the positioning rod 4 is connected with the lifting component 3; the limiting component 5 is arranged on the mounting bracket 2, and the limiting component 5 is arranged corresponding to the other end of the positioning rod 4 and used for sensing the height of the other end of the positioning rod 4; the control assembly is respectively and electrically connected with the lifting assembly 3 and the limiting assembly 5.

It should be noted that the control assembly includes a circuit board and a control switch, the circuit board is connected with the lifting assembly 3 and the limiting assembly 5, the control switch is installed on the circuit board, an operator can press the control switch, and the circuit board sends an electric signal to the lifting assembly 3 and the limiting assembly 5. In addition, fig. 1 is for conveniently observing each part, and the length of actual installing support 2 can be made longer as required, and stretches out furnace body 100 one end and can support through the stand, and locating lever 4 equally length can be longer, and the furnace body 100 is kept away from to the other end, and spacing subassembly 5 is installed in the same one end that installing support 2 kept away from furnace body 100, guarantees the security of maintaining. The mounting bracket 2 is a frame welded by a plurality of steel materials, and the movement of the positioning rod 4 cannot be blocked.

Above-mentioned metallurgical stove of industry's use of rotatory furnace gate, initial state is on the furnace body 100 is located for the door body 1 lid, when the door body 1 is opened to needs, operating personnel draws the lift to the door body 1 through operation subassembly control lifting unit 3, the door body 1 uses its top to rotate as the fulcrum, and then the door body 1 is opened, at the rotatory in-process of the door body 1, lifting unit 3 is ascending followed to locating lever 4, spacing subassembly 5 senses behind the rising to the take the altitude of locating lever 4, give control assembly with the signal of telecommunication transmission, operating personnel passes through the power of control assembly disconnection lifting unit 3. When the door body 1 needs to be closed, an operator controls the lifting assembly 3 to lower the door body 1 through the operation assembly, the door body 1 rotates in the opposite direction by taking the top end of the door body as a fulcrum, then the door body 1 is closed, in the rotating process of the door body 1, the positioning rod 4 descends along with the lifting assembly 3, the limiting assembly 5 senses the positioning rod 4 and transmits an electric signal to the control assembly after the positioning rod 4 falls to a certain height, and the operator disconnects the power supply of the lifting assembly 3 through the control assembly.

It is worth explaining that, the control assembly still includes the pilot lamp, and when the assigned position that spacing subassembly 5 response locating lever 4 arrived, just transmission signal of telecommunication gives the control assembly, the pilot lamp then can light, and operating personnel then controls the lift of lifting unit 3. In addition, when the electric signal output by the limiting component 5 is transmitted to the control component, the control component can also directly control the lifting component 3 to lift without operation of an operator, and the control method is the conventional limiting switch control method, and is not described herein.

In some preferred embodiments of the present invention, the lifting assembly 3 comprises a lifting hydraulic cylinder 3a and a hydraulic pump, the lifting hydraulic cylinder 3a and the hydraulic pump are respectively installed on the mounting bracket 2, the lifting hydraulic cylinder 3a is connected with the hydraulic pump, the telescopic rod of the lifting hydraulic cylinder 3a is connected with the furnace door, and one end of the positioning rod 4 is connected with the telescopic rod of the lifting hydraulic cylinder 3 a; the hydraulic pump is electrically connected with the control assembly. Therefore, the hydraulic pump carries out telescopic control on the lifting hydraulic cylinder 3a, and the telescopic rod drives the door body 1 to lift.

The utility model discloses a some preferred embodiments still include connecting piece 6, and the one end of connecting piece 6 is articulated with the door body 1, and the other end of connecting piece 6 is articulated with lifting unit 3. Specifically, the connecting piece 6 can prevent the lifting hydraulic cylinder 3a from being directly connected with the door body 1, and abrasion and translocation of a telescopic rod of the lifting hydraulic cylinder 3a in the lifting process are reduced.

In some preferred embodiments of the present invention, the connecting member 6 is a crescent structure, and one end of the connecting member 6 is connected to the middle position of the door body 1.

In some preferred embodiments of the present invention, the positioning rod 4 comprises a connecting rod, a first butt rod and a second butt rod, the first butt rod is connected to one end of the connecting rod, the second butt rod is connected to the other end of the connecting rod, and the connecting rod is respectively perpendicular to the first butt rod and the second butt rod. Specifically, the positioning rod 4 is of a Z-shaped structure, so that subsequent installation and maintenance can be facilitated.

In some preferred embodiments of the present invention, the first butt rod has an end facing opposite to an end facing the second butt rod.

In some preferred embodiments of the present invention, the limiting component 5 comprises a limiting rod 51, a first limiting switch 52 and a second limiting switch 53, the limiting rod 51 is vertically installed on the mounting bracket 2, the first limiting switch 52 is installed at one end of the limiting rod 51, and the second limiting switch 53 is installed at the other end of the limiting rod 51; the other end of the positioning rod 4 is positioned between the first limit switch 52 and the second limit switch 53; the first limit switch 52 and the second limit switch 53 are respectively connected with the control component. Specifically, the limit switch is a travel switch on the existing market, and is a common low-current master control electrical appliance. The contact of the mechanical moving part is operated by the collision to connect or disconnect the control circuit board, so as to achieve a certain control purpose. Generally, such switches are used to limit the position or stroke of the movement of the machine, so that the moving machine can automatically stop, move in reverse, shift or automatically move back and forth according to a certain position or stroke. The first limit switch 52 is used for sensing that the positioning rod 4 rises to a certain height, and the second limit switch 53 is used for sensing that the positioning rod 4 falls to a certain height.

In some preferred embodiments of the utility model, the door body 1 is hollow structure, and the inside packing of the door body 1 has the heat preservation. Specifically, the heat-insulating layer can ensure the temperature inside and outside the furnace.

In some preferred embodiments of the present invention, the heat-insulating layer is an asbestos layer.

In some preferred embodiments of the present invention, the thickness of the side wall of the door body 1 is 1-3 cm.

To sum up, the preferred embodiment of the present invention provides a rotary furnace door of an industrial metallurgical furnace, which is compared with the prior art:

the utility model discloses a rotatory furnace gate of industry metallurgical furnace sets up installing support 2, sets up lifting unit 3 and is connected with door body 1 on installing support 2, stimulates door body 1 through lifting unit 3, realizes that door body 1 uses the top as the axle to rotate, and then door body 1 opens, and simple structure is compact; meanwhile, a positioning rod 4 and a limiting assembly 5 are arranged, one end of the positioning rod 4 is connected with the lifting assembly 3, the other end of the positioning rod is far away from the furnace body 100, the limiting assembly 5 is installed far away from the furnace body 100 and matched with the positioning rod 4, and the lifting amplitude of the lifting assembly 3, namely the opening amplitude of the induction door body 1, is sensed; the structure is simple and compact, and the maintenance is convenient to be carried out far away from the furnace body 100.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. A rotary furnace door of an metallurgical furnace, which is mounted to a furnace body (100); it is characterized by comprising:

the top end of the door body (1) is hinged with the furnace body (100);

the mounting bracket (2), the mounting bracket (2) is mounted on the furnace body (100);

the lifting assembly (3) is mounted on the mounting bracket (2), and the lifting assembly (3) is hinged with the door body (1); the lifting assembly (3) is used for lifting the door body (1);

one end of the positioning rod (4) is connected with the lifting assembly (3);

the limiting assembly (5) is mounted on the mounting bracket (2), and the limiting assembly (5) is arranged corresponding to the other end of the positioning rod (4) and used for sensing the height of the other end of the positioning rod (4);

the control assembly is electrically connected with the lifting assembly (3) and the limiting assembly (5) respectively.

2. A rotary oven door for an metallurgical furnace according to claim 1, characterized in that: the lifting assembly (3) comprises a lifting hydraulic cylinder (3 a) and a hydraulic pump, the lifting hydraulic cylinder (3 a) and the hydraulic pump are respectively installed on the installation support (2), the lifting hydraulic cylinder (3 a) is connected with the hydraulic pump, an expansion rod of the lifting hydraulic cylinder (3 a) is connected with the furnace door, and one end of the positioning rod (4) is connected with an expansion rod of the lifting hydraulic cylinder (3 a); the hydraulic pump is electrically connected with the control assembly.

3. A rotary oven door for an metallurgical furnace according to claim 1, characterized in that: the door is characterized by further comprising a connecting piece (6), one end of the connecting piece (6) is hinged to the door body (1), and the other end of the connecting piece (6) is hinged to the lifting assembly (3).

4. A rotary oven door for an metallurgical furnace according to claim 3, characterized in that: the connecting piece (6) is of a crescent structure, and one end of the connecting piece (6) is connected with the middle position of the door body (1).

5. A rotary oven door for an metallurgical furnace according to claim 1, characterized in that: the positioning rod (4) comprises a connecting rod, a first butt joint rod and a second butt joint rod, one end of the connecting rod is connected with the first butt joint rod, the other end of the connecting rod is connected with the second butt joint rod, and the connecting rod is respectively perpendicular to the first butt joint rod and the second butt joint rod.

6. A rotary oven door for an industrial metallurgical furnace according to claim 5, characterized in that: one end of the first butt joint rod faces to the opposite direction of one end of the second butt joint rod.

7. A rotary oven door for an industrial metallurgical furnace according to claim 1, characterized by: the limiting assembly (5) comprises a limiting rod (51), a first limiting switch (52) and a second limiting switch (53), the limiting rod (51) is vertically installed on the installation support (2), the first limiting switch (52) is installed at one end of the limiting rod (51), and the second limiting switch (53) is installed at the other end of the limiting rod (51); the other end of the positioning rod (4) is positioned between the first limit switch (52) and the second limit switch (53); the first limit switch (52) and the second limit switch (53) are respectively connected with the control component.

8. A rotary oven door for an metallurgical furnace according to claim 1, characterized in that: the door body (1) is of a hollow structure, and a heat insulation layer is filled in the door body (1).

9. A rotary oven door for an metallurgical furnace according to claim 8, wherein: the heat-insulating layer is an asbestos layer.

10. A rotary oven door for an metallurgical furnace according to claim 8, wherein: the thickness of the side wall of the door body (1) is 1-3 cm.