CN203426569U - Cutting device for conical section of furnace shell of shaft furnace - Google Patents
Cutting device for conical section of furnace shell of shaft furnace Download PDFInfo
- Publication number
- CN203426569U CN203426569U CN201320424613.9U CN201320424613U CN203426569U CN 203426569 U CN203426569 U CN 203426569U CN 201320424613 U CN201320424613 U CN 201320424613U CN 203426569 U CN203426569 U CN 203426569U
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- China
- Prior art keywords
- swingle
- shaped hole
- bar shaped
- hole slot
- furnace shell
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- Expired - Lifetime
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Abstract
The utility model relates to a device for cutting a conical section of a furnace shell when a steel ring is installed on the furnace top of a shaft furnace, in particular to a cutting device for the conical section of the furnace shell of the shaft furnace. The cutting device for conical section of the furnace shell of the shaft furnace is characterized by comprising a center support, a rotary rod and a walking rod, the center support is connected with the rear end of the rotary rod through a bearing, the rotary rod rotates around the center support, the front end of the rotary rod is connected with the walking rod through a first detachable bolt, and the front end of the walking rod is provided with a gun sleeve used for installation of a gas cutting gun. According to the cutting device, the precision for cutting the conical section of the furnace top is high, incisions of the conical section of the furnace top are smooth, and welding of the steel ring is facilitated.
Description
Technical field
The utility model relates to a kind of device for furnace shell cone section being cut when blast furnace roof is installed steel ring, is specifically related to a kind of last furnace shell cone section cutter sweep.
Background technology
In blast furnace work progress, lip ring must carry out the mensuration of checking of stove central axis and absolute altitude before installation, need under normal circumstances, according to the external diameter of lip ring, furnace shell top cone section is carried out to repetition measurement, will after redundance line, cut away to meet steel ring installation requirement (straight tube of steel ring will be inserted cone band).
At present, to the line of cone section, be mainly by steel ring chi, by the setting-out of steel ring chi is not round and error is large.During cutting, be that hand takes cutter to operate, because artifical influence factor is many, often cause that the out-of-flatness of cone section otch, diameter error are large, steel ring install after surrounding gap length differ, easy generation moderate finite deformation when steel ring weld, cause post-processed difficulty, material and artificial expense are increased.
Summary of the invention
The purpose of this utility model is to provide a kind of last furnace shell cone section cutter sweep, and the precision of utilizing this device to cut furnace roof cone section is high, and furnace roof cone section otch is smooth, is beneficial to the welding of steel ring.
For achieving the above object, technical solution adopted in the utility model is a kind of last furnace shell cone section cutter sweep, it is characterized in that: it comprises center support, swingle and walking rod, described center support is connected with the rear end of swingle by bearing, and swingle rotates around center support; The front end of described swingle is connected with walking rod by the first hinged bolt; The front end of described walking rod is provided with for the holster of cutter is installed.
Described swingle comprises double armed lever and single arm(ed) lever (double armed lever is longer than single arm(ed) lever), described double armed lever comprises the strip steel plate that two Parallel Symmetrics are placed, the rear end of two block length bar steel plates is fixedly connected with by connecting plate, and the front portion of strip steel plate is provided with the first bar shaped hole slot; The rear portion of described single arm(ed) lever is provided with the second bar shaped hole slot matching with the first bar shaped hole slot, and single arm(ed) lever is between two block length bar steel plates, and the first bar shaped hole slot is corresponding with the position of the second bar shaped hole slot; The first bar shaped hole slot and the second bar shaped hole slot are connected by more than one the second hinged bolt that (the second hinged bolt is simultaneously through two the first bar shaped hole slots and the second bar shaped hole slot; The rear end of double armed lever is the rear end of swingle, the front end that the front end of single arm(ed) lever is swingle).
Described walking rod comprises the short bar steel plate that two Parallel Symmetrics are placed, and the front end of two short bar steel plates is all welded on holster, and short bar steel plate is provided with the 3rd bar shaped hole slot; The front end of described swingle is between two short bar steel plates, and the front end of swingle is connected (the first hinged bolt passes the bolt hole that two the 3rd bar shaped hole slots and swingle front end are offered simultaneously) by the first hinged bolt with the 3rd bar shaped hole slot.
Described center support is the tubular structure of lower end closure, and inside is provided with bearing; The rear end of described swingle is provided with center stand column, and the lower end of center stand column is fixed on the inwall of bearing, and the upper end of center stand column is connected with swingle is vertical.
Described center support is the tubular structure of lower end closure, and upper end outer cover has bearing; The rear end of described swingle is vertically fixed on the outer wall of bearing.
The center of described center support lower end has a circular hole (described center stand column is hollow steel pipe, hollow steel pipe and circular hole concentric).
The downside of described walking rod front portion is provided with a road wheel circumferentially rolling along furnace roof cone section.
The beneficial effects of the utility model are:
1, the precision that the utility model cuts furnace roof cone section is high, and furnace roof cone section otch is smooth, is beneficial to the welding of steel ring;
2, the swingle in the utility model and walking rod adopt the structure of adjustable foldable, easy to carry, strong adaptability;
3, the utility model manufacture is used simple, accurate and visual, of many uses, safe and reliable; In cutting, utilize flexibly connecting of swingle and walking rod to make road wheel begin eventually pasting furnace shell walking, thoroughly solved the problem that artificial cutting is unstable, efficiency is not high, significantly improve operating efficiency, reduce costs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is double armed lever and single arm(ed) lever folding schematic diagram mutually in swingle.
Fig. 3 is the structural representation of double armed lever in swingle.
Fig. 4 is the structural representation of single arm(ed) lever in swingle.
Fig. 5 is the structural representation of walking rod.
Fig. 6 is use view of the present utility model.
In figure: 1-cone section furnace shell, 2-temporary support, 3-center support, 4-center stand column, 5-double armed lever, 51-the first bar shaped hole slot, 52-connecting plate, 53-strip steel plate, 6-single arm(ed) lever, 61-the second bar shaped hole slot, 7-walking rod, 71-holster, 72-road wheel, 73-the 3rd bar shaped hole slot, the short bar steel plate of 74-, 8-the second hinged bolt, 9-the first hinged bolt.
The specific embodiment
In order to understand better the utility model, below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is described further to (referring to Fig. 1 and Fig. 6).
A cone section cutter sweep, it comprises center support 3, swingle and walking rod 7, and described center support 3 is connected with the rear end of swingle by bearing, and swingle is around center support 3 rotations; The front end of described swingle is connected with walking rod 7 by the first hinged bolt 9; The front end of described walking rod 7 is provided with for the holster 71 of cutter is installed.
Described swingle comprises that double armed lever 5 and single arm(ed) lever 6(double armed lever 5 are than single arm(ed) lever 6 length), described double armed lever 5 comprises the strip steel plate 53 that two Parallel Symmetrics are placed, the rear end of two block length bar steel plates 53 is fixedly connected with by connecting plate 52, and the front portion of strip steel plate 53 is provided with the first bar shaped hole slot 51; The rear portion of described single arm(ed) lever 6 is provided with the second bar shaped hole slot 61 matching with the first bar shaped hole slot 51, and single arm(ed) lever 6 is between two block length bar steel plates 53, and the first bar shaped hole slot 51 is corresponding with the position of the second bar shaped hole slot 61; The first bar shaped hole slot 51 and the second bar shaped hole slot 61 are connected by more than one the second hinged bolt 8 that (the second hinged bolt 8 is simultaneously through two the first bar shaped hole slots 51 and the second bar shaped hole slot 61; The rear end of double armed lever 5 is the rear end of swingle, the front end that the front end of single arm(ed) lever 6 is swingle; Described the second hinged bolt 8 is preferably two).
Described walking rod 7 comprises that the front end of 74, two short bar steel plates 74 of short bar steel plate that two Parallel Symmetrics are placed is all welded on holster 71, and short bar steel plate 74 is provided with the 3rd bar shaped hole slot 73; The front end of described swingle is between two short bar steel plates 74, and the front end of swingle is connected (the first hinged bolt 9 passes the bolt hole that two the 3rd bar shaped hole slots 73 and swingle front end are offered simultaneously) by the first hinged bolt 9 with the 3rd bar shaped hole slot 73.
The tubular structure that described center support 3 is lower end closure, inside is provided with bearing; The rear end of described swingle is provided with center stand column 4, and the lower end of center stand column 4 is fixed on the inwall of bearing, and the upper end of center stand column 4 is connected with swingle is vertical.
The tubular structure that described center support 3 is lower end closure, upper end outer cover has bearing; The rear end of described swingle is vertically fixed on the outer wall of bearing.
The center of described center support 3 lower ends have a circular hole (described center stand column 4 is hollow steel pipe, this hole during as erection support with the center target use of feeling relieved, hollow steel pipe and circular hole concentric).
The downside of described walking rod 7 front portions is provided with a road wheel 72 circumferentially rolling along furnace roof cone section.
Above-mentioned center stand column 4 is processed into for seamless steel pipe.
Above-mentioned strip steel plate 53 is for the steel plate of t=10mm processes, the wide 12.5mm of the first bar shaped hole slot 51.
Above-mentioned single arm(ed) lever 6 is for the steel plate of t=10mm processes, the wide 12.5mm of the second bar shaped hole slot 61.
The wide 12.5mm of the 3rd bar shaped hole slot 73 on above-mentioned short bar steel plate 74.
Above-mentioned the first hinged bolt 9 and the second hinged bolt 8 are M12 bolt.
The method for folding of swingle in technique scheme: the second hinged bolt 8 between double armed lever 5 and single arm(ed) lever 6 is removed, only retain second hinged bolt 8 of unscrewing, single arm(ed) lever 6 be take this bolt as axle rotation, until whole single arm(ed) lever 6 all falls in double armed lever 5.
The process of installing and using of the present utility model is:
1, before this device is installed, first inside and outside cone section, set up operating platform (inner is temporary support 2), center target (at the bottom of center target absolute altitude in boring a section about 300mm suitable for reading) is set on temporary support 2;
2, take the central point of center target is benchmark, with the overall diameter of steel ring cylinder, with steel tape mark one line segment on cone section furnace shell 1 outer surface;
3,, then by 3 centers that are welded in center target of the center support of this device, before spot welding, center support 3 need be looked for vertical transverse horizontal, the central point of the circular hole centring target of center support 3 bottoms;
4, the miscellaneous part of this device is installed, by the first hinged bolt 9 and the second hinged bolt 8, adjust the length of swingle and the angle of walking rod 7; Then on holster 71, load onto a slate pencil, take the section of above-mentioned wire tag as benchmark is along the cone section surperficial standardized astragal bar of furnace shell 1 (this line is line of cut); Finally on holster 71, load onto cutter and just can complete cutting.
Above embodiment is only the preferred version of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique; in the situation that not departing from spirit and scope of the present utility model; can also make various conversion or modification; therefore all technical schemes that are equal to, all fall into protection domain of the present utility model.
Claims (7)
1. a last furnace shell cone section cutter sweep, is characterized in that: it comprises center support (3), swingle and walking rod (7), and described center support (3) is connected with the rear end of swingle by bearing, and swingle rotates around center support (3); The front end of described swingle is connected with walking rod (7) by the first hinged bolt (9); The front end of described walking rod (7) is provided with the holster (71) for cutter is installed.
2. last furnace shell according to claim 1 is bored section cutter sweep, it is characterized in that: described swingle comprises double armed lever (5) and single arm(ed) lever (6), described double armed lever (5) comprises the strip steel plate (53) that two Parallel Symmetrics are placed, the rear end of two block length bar steel plates (53) is fixedly connected with by connecting plate (52), and the front portion of strip steel plate (53) is provided with the first bar shaped hole slot (51); The rear portion of described single arm(ed) lever (6) is provided with the second bar shaped hole slot (61) matching with the first bar shaped hole slot (51), single arm(ed) lever (6) is positioned between two block length bar steel plates (53), and the first bar shaped hole slot (51) is corresponding with the position of the second bar shaped hole slot (61); The first bar shaped hole slot (51) is connected by more than one the second hinged bolt (8) with the second bar shaped hole slot (61).
3. last furnace shell according to claim 1 is bored section cutter sweep, it is characterized in that: described walking rod (7) comprises the short bar steel plate (74) that two Parallel Symmetrics are placed, it is upper that the front end of two short bar steel plates (74) is all welded on holster (71), and short bar steel plate (74) is provided with the 3rd bar shaped hole slot (73); The front end of described swingle is positioned between two short bar steel plates (74), and the front end of swingle is connected with the 3rd bar shaped hole slot (73) by the first hinged bolt (9).
4. last furnace shell cone section cutter sweep according to claim 1, is characterized in that: described center support (3) is the tubular structure of lower end closure, and inside is provided with bearing; The rear end of described swingle is provided with center stand column (4), and the lower end of center stand column (4) is fixed on the inwall of bearing, and the upper end of center stand column (4) is connected with swingle is vertical.
5. last furnace shell cone section cutter sweep according to claim 1, is characterized in that: described center support (3) is the tubular structure of lower end closure, and upper end outer cover has bearing; The rear end of described swingle is vertically fixed on the outer wall of bearing.
6. according to the last furnace shell cone section cutter sweep described in claim 4 or 5, it is characterized in that: the center of described center support (3) lower end has a circular hole.
7. last furnace shell cone section cutter sweep according to claim 1, is characterized in that: the anterior downside of described walking rod (7) is provided with a road wheel (72) circumferentially rolling along furnace roof cone section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320424613.9U CN203426569U (en) | 2013-07-17 | 2013-07-17 | Cutting device for conical section of furnace shell of shaft furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320424613.9U CN203426569U (en) | 2013-07-17 | 2013-07-17 | Cutting device for conical section of furnace shell of shaft furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203426569U true CN203426569U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320424613.9U Expired - Lifetime CN203426569U (en) | 2013-07-17 | 2013-07-17 | Cutting device for conical section of furnace shell of shaft furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203426569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861041A (en) * | 2018-08-28 | 2020-03-06 | 中国石油天然气股份有限公司 | Auxiliary tool for pipeline machining |
-
2013
- 2013-07-17 CN CN201320424613.9U patent/CN203426569U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861041A (en) * | 2018-08-28 | 2020-03-06 | 中国石油天然气股份有限公司 | Auxiliary tool for pipeline machining |
| CN110861041B (en) * | 2018-08-28 | 2022-02-01 | 中国石油天然气股份有限公司 | Auxiliary tool for pipeline machining |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
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| CX01 | Expiry of patent term |