Overturning cover device of molten steel smelting furnace

Abstract

The utility model relates to the technical field of smelting furnace overturning covers, and discloses a molten steel smelting furnace overturning cover device which comprises a furnace body and a top cover, an overturning mechanism for opening the top cover is arranged on one side of the furnace body, the overturning mechanism comprises a telescopic assembly and a rotating assembly, sealing assemblies are arranged at the top of the furnace body and the bottom of the top cover, and a heat preservation assembly is arranged in the top cover. When a top cover is opened, a hydraulic cylinder downwards pulls a connecting rod through a mounting head, so that the connecting rod pulls a pull rod to rotate downwards through a rotating shaft, the top cover is driven to rotate upwards through a connecting block, when the top cover is opened and closed, the hydraulic cylinder is operated conversely, meanwhile, an inserting opening is inserted into a bell mouth, and an asbestos layer is used for sealing; the top cover is simple in structure, convenient to install and operate, capable of improving the sealing effect of the top cover and the furnace body, capable of preserving heat and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace flip covers, in particular to a flip cover device for a molten steel furnace. Background Art

[0002] At present, a metal melting furnace is a furnace used to melt, quench or heat metals such as gold, silver, copper and steel by burning combustible gases such as propane. The furnace is usually provided with a furnace cover to insulate and seal the furnace body to prevent the metal liquid from spraying out.

[0003] The existing cover plate structure in the prior art is generally a pull-out type, and the cover plate is driven manually or mechanically to close the furnace opening. This type of structure has poor sealing performance, and the molten metal is easy to overflow from the abutment position between the cover plate and the furnace opening. Utility Model Content

[0004] In order to solve the technical problem that the cover plate structure is generally a pull-out type and the furnace opening is closed by manual or mechanical driving of the cover plate, and the sealing performance of this type of structure is not good enough, the utility model provides a flip cover device for a molten steel furnace.

[0005] The utility model is implemented by the following technical scheme: a flip cover device of a molten steel furnace, comprising a furnace body and a top cover, a flip mechanism for opening the top cover is arranged on one side of the furnace body, the flip mechanism comprises a telescopic component and a rotating component, a sealing component is arranged on the top of the furnace body and the bottom of the top cover, and a heat preservation component is arranged inside the top cover.

[0006] As a further improvement of the above scheme, the telescopic assembly includes a mounting plate fixedly connected to one side of the furnace body, a hydraulic cylinder is fixedly installed on the upper surface of the mounting plate, an output end of the hydraulic cylinder is fixedly connected to a mounting head, and a connecting rod is hinged on the top of the mounting head.

[0007] Through the above technical solution, hydraulic transmission can conveniently and flexibly arrange the transmission mechanism with the help of the connection of oil pipes, which is superior to mechanical transmission.

[0008] As a further improvement of the above scheme, the rotating assembly includes a mounting block fixedly connected to one side of the top of the furnace body, the mounting block is rotatably connected to a rotating shaft inside, a pull rod is fixedly connected to one side of the rotating shaft, and a connecting block is fixedly connected to the top of the rotating shaft.

[0009] Through the above technical solution, the connecting rod transmission structure is simple, the transmission efficiency is high, the stability is good, and the installation is convenient.

[0010] As a further improvement of the above solution, the sealing assembly includes a socket opened on the top of the furnace body and a plug fixedly connected to the bottom of the top cover, and an asbestos layer corresponding to the socket is fixedly connected to the outer side of the plug.

[0011] Through the above technical solution, the sealing effect between the top cover and the furnace body is improved, the molten steel is prevented from overflowing, and the safety is improved.

[0012] As a further improvement of the above solution, one end of the pull rod is hinged to the connecting rod, and one end of the connecting block is fixedly connected to the top cover.

[0013] As a further improvement of the above solution, the thermal insulation component includes a reinforcing plate arranged inside the top cover, and the interior of the reinforcing plate is filled with thermal insulation cotton.

[0014] Through the above technical solution, the thermal insulation effect of the furnace body is improved, heat loss is prevented, and energy loss is reduced.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model discloses that when opening the top cover, the hydraulic cylinder pulls the connecting rod downward through the mounting head, so that the connecting rod pulls the pulling rod to rotate downward through the rotating shaft, thereby driving the top cover to rotate upward through the connecting block, and the top cover is opened; when closing the top cover, the hydraulic cylinder can be operated in reverse, and the socket is inserted into the socket at the same time, and the asbestos layer is sealed. The design structure is simple, easy to install, and convenient to operate, and the sealing effect between the top cover and the furnace body is improved, and at the same time it has the function of heat preservation and is practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the top cover structure of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the structure of the connection between the asbestos layer and the socket.

[0021] Description of main symbols:

[0022] 1. Furnace body; 2. Mounting plate; 3. Mounting block; 4. Hydraulic cylinder; 5. Mounting head; 6. Connecting rod; 7. Pull rod; 8. Rotating shaft; 9. Connecting block; 10. Top cover; 11. Socket; 12. Socket; 13. Asbestos layer; 14. Reinforcement plate; 15. Insulation cotton. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0024] Example:

[0025] Please combine Figure 1 - Figure 4 A flip cover device for a molten steel furnace in this embodiment includes a furnace body 1 and a top cover 10. A flip mechanism for opening the top cover 10 is provided on one side of the furnace body 1. The flip mechanism includes a telescopic component and a rotating component. A sealing component is provided at the top of the furnace body 1 and the bottom of the top cover 10. An insulation component is provided inside the top cover 10.

[0026] Please combine Figure 1 The telescopic assembly includes a mounting plate 2 fixedly connected to one side of the furnace body 1, a hydraulic cylinder 4 is fixedly installed on the upper surface of the mounting plate 2, a mounting head 5 is fixedly connected to the output end of the hydraulic cylinder 4, and a connecting rod 6 is hinged on the top of the mounting head 5.

[0027] Hydraulic transmission can arrange the transmission mechanism conveniently and flexibly with the help of oil pipe connection, which is superior to mechanical transmission.

[0028] Please combine Figure 2 The rotating assembly includes a mounting block 3 fixedly connected to one side of the top of the furnace body 1, a rotating shaft 8 is rotatably connected inside the mounting block 3, a pull rod 7 is fixedly connected to one side of the rotating shaft 8, and a connecting block 9 is fixedly connected to the top of the rotating shaft 8.

[0029] The connecting rod transmission has a simple structure, high transmission efficiency, good stability and easy installation.

[0030] Please combine Figure 2 and Figure 4 The sealing assembly includes a socket 12 opened at the top of the furnace body 1 and a plug 11 fixedly connected to the bottom of the top cover 10 , and an asbestos layer 13 corresponding to the socket 12 is fixedly connected to the outer side of the plug 11 .

[0031] The sealing effect between the top cover 10 and the furnace body 1 is improved to prevent molten steel from overflowing and improve safety.

[0032] Please combine Figure 1 One end of the pull rod 7 is hinged to the connecting rod 6, and one end of the connecting block 9 is fixedly connected to the top cover 10.

[0033] Please combine Figure 3 The heat preservation component includes a reinforcing plate 14 arranged inside the top cover 10 , and the interior of the reinforcing plate 14 is filled with heat preservation cotton 15 .

[0034] The heat preservation effect of the furnace body 1 is improved, heat loss is prevented, and energy loss is reduced.

[0035] The implementation principle of a flip cover device for a molten steel furnace in the embodiment of the present application is as follows: during operation, when the top cover 10 is opened, the hydraulic cylinder 4 pulls the connecting rod 6 downward through the mounting head 5, so that the connecting rod 6 pulls the pull rod 7 to rotate downward through the rotating shaft 8, thereby driving the top cover 10 to rotate upward through the connecting block 9, and opening the top cover 10. When closing the top cover 10, the hydraulic cylinder 4 operates in the opposite way, and at the same time, the socket 11 is inserted into the socket 12, and the asbestos layer 13 is sealed.

[0036] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A molten steel furnace flip cover device, comprising a furnace body (1) and a top cover (10), characterized in that: A flip mechanism for opening the top cover (10) is provided on one side of the furnace body (1), the flip mechanism comprising a telescopic component and a rotating component, a sealing component is provided at the top of the furnace body (1) and the bottom of the top cover (10), and a heat preservation component is provided inside the top cover (10).

2. A molten steel furnace flip cover device as claimed in claim 1, characterized in that: The telescopic assembly comprises a mounting plate (2) fixedly connected to one side of the furnace body (1); a hydraulic cylinder (4) is fixedly mounted on the upper surface of the mounting plate (2); an output end of the hydraulic cylinder (4) is fixedly connected to a mounting head (5); and a connecting rod (6) is hinged on the top of the mounting head (5).

3. A molten steel furnace flip cover device as claimed in claim 1, characterized in that: The rotating assembly comprises a mounting block (3) fixedly connected to one side of the top of the furnace body (1); a rotating shaft (8) is rotatably connected inside the mounting block (3); a pull rod (7) is fixedly connected to one side of the rotating shaft (8); and a connecting block (9) is fixedly connected to the top of the rotating shaft (8).

4. A molten steel furnace flip cover device as claimed in claim 3, characterized in that: The sealing assembly comprises a socket (12) opened at the top of the furnace body (1) and a plug (11) fixedly connected to the bottom of the top cover (10), and an asbestos layer (13) corresponding to the socket (12) is fixedly connected to the outer side of the plug (11).

5. A molten steel furnace flip cover device as claimed in claim 3, characterized in that: One end of the pull rod (7) is hinged to the connecting rod (6), and one end of the connecting block (9) is fixedly connected to the top cover (10).

6. A molten steel furnace flip cover device as claimed in claim 1, characterized in that: The heat-insulating component comprises a reinforcing plate (14) arranged inside the top cover (10), and the interior of the reinforcing plate (14) is filled with heat-insulating cotton (15).

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