CN203550517U - Synchronous lifting mechanism for furnace cover of electric arc furnace - Google Patents
Synchronous lifting mechanism for furnace cover of electric arc furnace Download PDFInfo
- Publication number
- CN203550517U CN203550517U CN201320622825.8U CN201320622825U CN203550517U CN 203550517 U CN203550517 U CN 203550517U CN 201320622825 U CN201320622825 U CN 201320622825U CN 203550517 U CN203550517 U CN 203550517U
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- lifting
- sprocket wheel
- promote
- furnace
- dynamical element
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Abstract
The utility model discloses a synchronous lifting mechanism for a furnace cover of an electric arc furnace, which comprises two groups of lifting power elements, a lifting chain wheel and a lifting chain. The lifting power elements and the lifting chain wheel are arranged on a rotating frame beam; the lifting chain passes through an opening of the rotating frame beam through the lifting power elements and the lifting chain wheel and is fixed on the furnace cover by an adjusting bolt through a hinge pin; the rotating frame beam is provided with a synchronizing shaft; and the lifting chain wheel is arranged on the synchronizing shaft. The synchronous lifting mechanism has a simple structure and is low in production cost; and meanwhile, as long as any one group of lifting power elements work normally, synchronous lifting of the furnace cover can be implemented.
Description
Technical field
The utility model relates to converter, relates in particular to a kind of steel smelting furnace lid lifting device.
Background technology
Electric furnace arrangement for producing steel (Electric Arc Furnace) be a kind of employing electric energy or oxygen, carbon dust, fuel oil etc. as the energy, adopt steel scrap, molten iron etc. as the steelmaking equipment of raw material.Ladle furnace (Ladle Furnace) is a kind of special shape of electric arc furnaces, and ladle furnace is a kind of external refining equipment that utilizes electric arc heated under vacuum condition.In ladle furnace smelting process, in order to save energy consumption, to prevent from polluting surrounding environment, generally the bell of ladle furnace is covered on the opening of body of heater upper end, form an airtight space.Also need in good time in the body of heater of ladle furnace, to add the required raw materials of steel-making such as steel scrap simultaneously, in reinforced process, need again bell upwards to promote, to expose the opening of body of heater upper end, thereby add raw material in can be from opening part to body of heater.After reinforced, then by bell to decline, so that bell is covered on the opening of body of heater upper end again.Therefore, ladle furnace generally all comprises furnace cover lifting device, in order to complete the descending operation of above-mentioned bell.The hositing mechanism of furnace roof of electric arc furnaces is comprised of two furnace cover lifting oil cylinders, two groups of sprocket wheels and chain.The hositing mechanism of furnace roof is arranged on swivel mount crossbeam, and sprocket wheel is welded on the oil cylinder side of the elevator chain Tiaokou of opening on swivel mount crossbeam, and chain is fixed on bell by bearing pin through adjusting bolt through the perforate of swivel mount crossbeam through oil cylinder, sprocket wheel.The CN200920035918.4 of China Intellectual Property Office discloses a kind of Dual Drive lifting mechanism for furnace cover of pit furnace, it is comprised of lifter board, lifting dynamical element, elevator chain wheels and lifting chain, and wherein elevator chain wheels comprise rotating shaft, sprocket shaft, drive sprocket, lifting sprocket wheel and service hoisting sprocket wheel; Promoting dynamical element is fixed on lifter board mounting platform, rotating shaft is hinged at lifter board installation frame rear portion by bearing assembly, it is anterior that sprocket shaft is fixed on lifter board installation frame, drive sprocket and lifting sprocket wheel are fixed on rotating shaft, service hoisting sprocket wheel is hinged on sprocket shaft, promoting dynamical element is in transmission connection by chain and drive sprocket, one end of three lifting chains is separately fixed on three lifting sprocket wheels, lifting chain directly hangs from above or hangs from above by service hoisting sprocket wheel from promoting sprocket wheel, three lifting chains hang some distribution triangular in shape from above; Promote dynamical element and have two, they are fixed on lifter board mounting platform side by side.This Dual Drive lifting mechanism for furnace cover of pit furnace can be realized the Synchronous lifting of bell, but complex structure, production cost is high.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of simple in structure, arc furnace cover synchronous lifting mechanism that production cost is low is provided.
The utility model is achieved by the following technical solution:
Arc furnace cover synchronous lifting mechanism, comprise that two groups promote dynamical element, lifting sprocket wheel and lifting chain, promote dynamical element and promote sprocket wheel and be arranged on swivel mount crossbeam, lifting chain is fixed on bell by bearing pin through adjusting bolt through the perforate of swivel mount crossbeam through lifting dynamical element, lifting sprocket wheel, described swivel mount crossbeam is provided with synchronizing shaft, and described lifting sprocket wheel is arranged on synchronizing shaft.
Described lifting dynamical element is with the cylinder of expansion link or with the hydraulic cylinder of expansion link.
It also comprises service hoisting sprocket wheel arc furnace cover synchronous lifting mechanism, service hoisting sprocket wheel is arranged on and promotes dynamical element and promote between sprocket wheel, and lifting chain is fixed on bell by bearing pin through adjusting bolt through the perforate of swivel mount crossbeam through promoting dynamical element, service hoisting sprocket wheel and promoting sprocket wheel.
The utility model compared with prior art has following beneficial effect:
The utility model is simple in structure, production cost is low; As long as arbitrary group of promoting in dynamical element normally worked, can realize the Synchronous lifting of bell simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Sequence number in figure: 1, promote dynamical element, 2, promote sprocket wheel, 3, lifting chain, 4, swivel mount crossbeam, 5, synchronizing shaft, 6, service hoisting sprocket wheel.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Shown in Fig. 1, a kind of arc furnace cover synchronous lifting mechanism of the utility model, comprise that two groups promote dynamical element 1, promote sprocket wheel 2, service hoisting sprocket wheel 6 and lifting chain 3, promote dynamical element 1, service hoisting sprocket wheel 6 is arranged on swivel mount crossbeam 4, described swivel mount crossbeam 4 is provided with synchronizing shaft 5, described lifting sprocket wheel 2 is arranged on synchronizing shaft 5, service hoisting sprocket wheel 6 is arranged on and promotes dynamical element 1 and promote between sprocket wheel 2, lifting chain 3 is through promoting dynamical element 1, service hoisting sprocket wheel 6 and lifting sprocket wheel 2 are fixed on bell by bearing pin through adjusting bolts through 4 perforates of swivel mount crossbeam, described lifting dynamical element 1 is the hydraulic cylinder with expansion link.
Two mount pads that arrange on swivel mount crossbeam 4 are fixedly connected with the hydraulic cylinder with expansion link respectively, wherein with adopting bearing pin, bolt etc. fixing between the hydraulic cylinder of expansion link and mount pad, but not as limit, all connected modes well known to those skilled in the art can be applied to the utility model embodiment; The other end with the hydraulic cylinder of expansion link is connected by connector with two groups of lifting chains 3 respectively; Swivel mount crossbeam 4 be provided with for accepting the service hoisting sprocket wheel 6 of lifting chain 3 and promoting sprocket wheel 2; With the piston rod of the hydraulic cylinder of expansion link mobile, drive the equidirectional movement of lifting chain 3, the movement of lifting chain 3 can drive again service hoisting sprocket wheel 6 and promote the rotation of sprocket wheel 2; In order to guarantee that two groups of lifting chains 3 can synchronizing moving, on swivel mount crossbeam 4, be provided with synchronizing shaft 5, described lifting sprocket wheel 2 is arranged on synchronizing shaft 5, as long as arbitrary group of promoting in dynamical element normally worked, can realize the Synchronous lifting of bell.
Embodiment is just for the ease of understanding the technical solution of the utility model; do not form the restriction to the utility model protection domain; every interior any simple modification, equivalent variations and modification of perhaps according to technical spirit of the present utility model, above scheme being done that does not depart from technical solutions of the utility model, within all still belonging to the utility model protection domain.
Claims (3)
1. arc furnace cover synchronous lifting mechanism, comprise two groups promote dynamical elements (1), promote sprocket wheel (2) with lifting chain (3), (2) (1) lifting dynamical element be arranged on swivel mount crossbeam with lifting sprocket wheel and (4) go up, lifting chain (3) through promote dynamical element (1), promote sprocket wheel (2) through swivel mount crossbeam (4) perforate through adjusting bolt, by bearing pin, be fixed on bell, it is characterized in that: (5) (4) described swivel mount crossbeam be provided with synchronizing shaft, (2) described lifting sprocket wheel is arranged on synchronizing shaft and (5) goes up.
2. arc furnace cover synchronous lifting mechanism according to claim 1, is characterized in that: described lifting dynamical element is (1) for the cylinder with expansion link or with the hydraulic cylinder of expansion link.
3. arc furnace cover synchronous lifting mechanism according to claim 2, it is characterized in that: (6) it also comprise service hoisting sprocket wheel, service hoisting sprocket wheel be (6) arranged on promote dynamical element (1) and promote sprocket wheel (2) between, lifting chain (3) through promote dynamical element (1), service hoisting sprocket wheel (6) with promote sprocket wheel (2) through swivel mount crossbeam (4) perforate through adjusting bolt, by bearing pin, be fixed on bell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320622825.8U CN203550517U (en) | 2013-10-10 | 2013-10-10 | Synchronous lifting mechanism for furnace cover of electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320622825.8U CN203550517U (en) | 2013-10-10 | 2013-10-10 | Synchronous lifting mechanism for furnace cover of electric arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203550517U true CN203550517U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320622825.8U Expired - Fee Related CN203550517U (en) | 2013-10-10 | 2013-10-10 | Synchronous lifting mechanism for furnace cover of electric arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203550517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940240A (en) * | 2014-04-30 | 2014-07-23 | 苏州工业园区华福科技有限公司 | Furnace door opening and closing transmission device for induction heating furnace |
| CN107702529A (en) * | 2017-09-28 | 2018-02-16 | 安徽省宁国市宁沪钢球有限公司 | A kind of innovation in saving energy type Metal Melting electric furnace |
-
2013
- 2013-10-10 CN CN201320622825.8U patent/CN203550517U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940240A (en) * | 2014-04-30 | 2014-07-23 | 苏州工业园区华福科技有限公司 | Furnace door opening and closing transmission device for induction heating furnace |
| CN107702529A (en) * | 2017-09-28 | 2018-02-16 | 安徽省宁国市宁沪钢球有限公司 | A kind of innovation in saving energy type Metal Melting electric furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141010 |
|
| EXPY | Termination of patent right or utility model |