CN201285223Y - Centering device of annular heating stove - Google Patents
Centering device of annular heating stove Download PDFInfo
- Publication number
- CN201285223Y CN201285223Y CNU2008201917408U CN200820191740U CN201285223Y CN 201285223 Y CN201285223 Y CN 201285223Y CN U2008201917408 U CNU2008201917408 U CN U2008201917408U CN 200820191740 U CN200820191740 U CN 200820191740U CN 201285223 Y CN201285223 Y CN 201285223Y
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- hydraulic cylinder
- hydraulic
- heating furnace
- hinged
- pressure
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Abstract
The utility model belongs to the technical field of centering devices, in particular relates to a centering device of a circular heating furnace, which comprises entering rollers, wherein the entering rollers are used in pairs and symmetrically act on the circumference of a steel structure at the lower part of a furnace bottom. The centering device of the circular heating furnace is characterized in that the entering rollers are connected with a cross board which is hinged on a base by a rotating shaft; a hydraulic cylinder is hinged at one end of the cross board far away from the rotating shaft, the other end of the hydraulic cylinder is hinged on the base, and the hydraulic cylinder is controlled by a hydraulic system. The utility model has the advantages that the whole centering device has simple and reasonable structure, and the hydraulic system provides pressure until the pressure is linearly adjustable; the utility model has high automation degree, effectively prevents the steel structure and the basic structure which are arranged at the lower part of the furnace bottom from being damaged, maintains the pressure by hydraulic locking after the permitted pressure is achieved, has high safety performance and prolongs the service life of the circular heating furnace.
Description
Technical field
The utility model relates to a kind of heating furnace centering technical field, relates in particular to a kind of rotary heating furnace centring means based on the hydraulic system effect.
Background technology
Rotary heating furnace is the requisite process equipment of metallurgy industry, and the quality of furnace bottom equipment operation is directly connected to the fault rate of heating furnace and the service life of stove.The rotary heating furnace furnace bottom generally is divided into two-layer framework up and down: upper strata and refractory material are contacted to be by a plurality of independently fan-shaped shaped steel flexible frames, adopts high-strength bolt to be formed by connecting each other.Lower floor is an inverted V-shape steel construction rigid frame, directly contacts with furnace bottom backing roll, centering roller and hydraulic motor.Because the temperature effect when rotary heating furnace is produced, whole body of heater can produce the very big distortion that is radially expanded, and will stop this thermal expansion almost is impossible, have only separating by furnace bottom upper and lower steel construction, the radially relative slippage of track can be distinguished with the bottom in top, can offset the differential expansion that occurs in the heating process.This moment is if inept displacement appears in furnace bottom bottom steel construction, may cause the furnace bottom drive apparatus to drive difficulty, even stuck thing, cause stove to turn round, production accident appears, Here it is needs the reason of centring means, by many compositions the centering roller that uses is acted on the lower furnace steel construction, prevents the change of stove because of the running and the generation shape of being heated.
At present traditional rotary heating furnace centring means relies on centering roller configuration spring to realize, when the bottom steel construction because of the radially relative slippage of track of thermal expansion, produce elastic force and make the centering roller push against furnace bottom bottom steel construction to prevent that slippage is excessive thereby deformation can take place spring thereupon.But mainly there is following shortcoming in this mode: the easy fatigue failure of spring, changed inconvenience in case lose efficacy; The elastic force of spring is for being forced to formula, can not active adjustment; Symmetrically arranged spring can not guarantee that both elastic force equate, thereby can't guarantee not ovalizing deflection of track.Therefore, be necessary technical scheme of the prior art is done further improvement, to remedy defective of the prior art.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provide a kind of structure be provided with rationally, can automatic pressure regulation, rotary heating furnace centring means safe in utilization.
For achieving the above object, the technical solution of the utility model is as follows: the rotary heating furnace centring means, it includes the centering roller, the centering roller uses in pairs and acts on symmetrically on the steel construction circumference of furnace bottom bottom, it is characterized in that, described centering roller is connected with the fork plate, the fork plate is hinged on the support by rotating shaft, the fork plate is away from the hinged hydraulic cylinder of an end of rotating shaft, and the other end of hydraulic cylinder is hinged on the support, and hydraulic cylinder is by HYDRAULIC CONTROL SYSTEM.
Described hydraulic system includes controller, magnetic valve and hydraulic locking mechanism, and draining is controlled in the folding of controller control magnetic valve and lock is pressed.
The beneficial effects of the utility model:
(1) hydraulic system provides pressure, can initiatively change pressure, and it is adjustable to reach the pressure linearity, the automaticity height;
(2) magnetic valve and hydraulic locking mechanism are set, when pressure is excessive, can open the magnetic valve draining automatically, prevent to damage furnace bottom bottom steel construction and foundation structure, reach hydraulic locking pressurize again behind the authorized pressure, the security performance height, the service life of prolongation rotary heating furnace;
(3) structure of whole centring means is provided with advantages of simple.
Description of drawings
Fig. 1 is the utility model example structure diagrammatic sketch;
Fig. 2 is the enlarged drawing of centring means part among Fig. 1;
Fig. 3 is the vertical view of Fig. 2.
Among the figure: 1-upper strata framework, 2-outer shroud refractory material, 3-gear pin, 4-burner hearth,
5-lower floor steel construction, 6-backing roll, 70-centring means, 8-support,
701-centering roller, 702-fork plate, 703-fork plate bearing pin, 704-hydraulic cylinder,
705-hydraulic cylinder bearing pin, the rotating shaft of 706-fork plate.
The specific embodiment
In conjunction with the accompanying drawings the utility model is described further with specific embodiment below, referring to Fig. 1 to 3:
The rotary heating furnace furnace bottom generally is divided into up and down two-layer framework: upper strata and outer shroud refractory material 2 are contacted to be by a plurality of independently fan-shaped shaped steel flexibilities upper strata framework 1, adopts high-strength bolt to be formed by connecting each other.Lower floor is inverted V-shape lower floor steel construction 5 supporting burner hearths 4, and directly contacts with furnace bottom backing roll 6, centring means 70 with by the gear pin 3 of fluid motor-driven.Rotary heating furnace centring means 70, it includes centering roller 701, and centering roller 701 acts on lower floor's steel construction 5 of rotary heating furnace, and radially the track slippage is little with respect to top to make the heating furnace bottom, so just stuck phenomenon can not occur.Since heating furnace be ring type structure and require stressed evenly and can not ovalizing deflection even displacement, so centering roller 701 uses in pairs, every pair is symmetrically distributed on lower floor's steel construction 5 circumference.
The active force of 701 pairs of rotary heating furnace lower floors of centering roller steel construction 5 can not be a rigidity, and the roller 701 of promptly feeling relieved can not be an end and the fixing mode of lower floor's steel construction 5 effect other ends.Because in case because of hypertonia, this mode will make that centering roller 701 pressure are excessive, thereby damages furnace bottom bottom steel construction and foundation structure.Traditional centering mode is centering roller 701 configuration springs, but there is the defective of the non-adjustable and easy inefficacy of elastic force in spring.The scheme that the utility model adopts is, centering roller 701 is connected with fork plate 702, fork plate 702 is hinged on the support 8 by fork plate rotating shaft 706 and rotates, fork plate 702 is connected as one by fork plate bearing pin 703 for the front and back two boards, fork plate bearing pin 703 is away from an end setting and the hinged hydraulic cylinder 704 of rotating shaft, hydraulic cylinder 704 substitutes spring pressure is provided, but and pressure linear regulation.The other end of hydraulic cylinder 704 is hinged on the support 8 by hydraulic cylinder bearing pin 705, and hydraulic cylinder 704 is by HYDRAULIC CONTROL SYSTEM.Come cushion effect by a fork plate 702 is set between centering roller 701 and the hydraulic cylinder 704, because the movement locus of fork plate 702 is a circumference, institute is so that stressed milder between centering roller 701 and the hydraulic cylinder 704.
Hydraulic system also comprises controller, magnetic valve and hydraulic locking mechanism, and system provides hydraulic oil and finally compresses furnace bottom bottom steel construction so that hydraulic cylinder 704 promotes centering roller 701.In order to prevent because of the too big damage furnace bottom of pressure bottom steel construction and foundation structure, the controller pre-set programs comprises the authouized pressure value that hydraulic system is set, when pressure greater than default authouized pressure value, controller control magnetic valve is opened draining, reduce pressure, reach hydraulic locking pressurize once more behind the authorized pressure.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalence of being done according to the utility model claim changes, and still belongs to protection domain of the present utility model.
Claims (2)
1, rotary heating furnace centring means, it includes the centering roller, the centering roller uses in pairs and acts on symmetrically on the steel construction circumference of furnace bottom bottom, it is characterized in that, described centering roller is connected with the fork plate, and the fork plate is hinged on the support by rotating shaft, and the fork plate is away from the hinged hydraulic cylinder of an end of rotating shaft, the other end of hydraulic cylinder is hinged on the support, and hydraulic cylinder is by HYDRAULIC CONTROL SYSTEM.
2, rotary heating furnace centring means according to claim 1 is characterized in that, described hydraulic system comprises controller, magnetic valve and hydraulic locking mechanism, and draining is controlled in the folding of controller control magnetic valve and lock is pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201917408U CN201285223Y (en) | 2008-10-28 | 2008-10-28 | Centering device of annular heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201917408U CN201285223Y (en) | 2008-10-28 | 2008-10-28 | Centering device of annular heating stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285223Y true CN201285223Y (en) | 2009-08-05 |
Family
ID=40950209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201917408U Expired - Fee Related CN201285223Y (en) | 2008-10-28 | 2008-10-28 | Centering device of annular heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285223Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538470A (en) * | 2012-02-22 | 2012-07-04 | 中冶南方(武汉)威仕工业炉有限公司 | Steel retaining machine with mandrel adjustable in elongation |
| CN104329939A (en) * | 2014-12-01 | 2015-02-04 | 无锡市晶瑜冶金机械有限公司 | Centering roller of annular furnace |
| CN104457238A (en) * | 2014-12-01 | 2015-03-25 | 无锡市晶瑜冶金机械有限公司 | Annular furnace supporting roll |
| CN104495246A (en) * | 2014-12-01 | 2015-04-08 | 无锡市晶瑜冶金机械有限公司 | Cylinder push base |
| CN110186279A (en) * | 2019-06-14 | 2019-08-30 | 中机第一设计研究院有限公司 | A kind of Locating driver system of annular furnace furnace bottom |
-
2008
- 2008-10-28 CN CNU2008201917408U patent/CN201285223Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538470A (en) * | 2012-02-22 | 2012-07-04 | 中冶南方(武汉)威仕工业炉有限公司 | Steel retaining machine with mandrel adjustable in elongation |
| CN102538470B (en) * | 2012-02-22 | 2014-07-23 | 中冶南方(武汉)威仕工业炉有限公司 | Steel retaining machine with mandrel adjustable in elongation |
| CN104329939A (en) * | 2014-12-01 | 2015-02-04 | 无锡市晶瑜冶金机械有限公司 | Centering roller of annular furnace |
| CN104457238A (en) * | 2014-12-01 | 2015-03-25 | 无锡市晶瑜冶金机械有限公司 | Annular furnace supporting roll |
| CN104495246A (en) * | 2014-12-01 | 2015-04-08 | 无锡市晶瑜冶金机械有限公司 | Cylinder push base |
| CN110186279A (en) * | 2019-06-14 | 2019-08-30 | 中机第一设计研究院有限公司 | A kind of Locating driver system of annular furnace furnace bottom |
| CN110186279B (en) * | 2019-06-14 | 2024-01-16 | 中机第一设计研究院有限公司 | Positioning driving system for annular furnace bottom |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20161028 |