CN113564302A - Converter stove lower track bottom plate mounting structure - Google Patents
Converter stove lower track bottom plate mounting structure Download PDFInfo
- Publication number
- CN113564302A CN113564302A CN202110951326.2A CN202110951326A CN113564302A CN 113564302 A CN113564302 A CN 113564302A CN 202110951326 A CN202110951326 A CN 202110951326A CN 113564302 A CN113564302 A CN 113564302A
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- Prior art keywords
- track
- bottom plate
- steel
- sectional
- rail
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 105
- 239000010959 steel Substances 0.000 claims abstract description 105
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims 2
- 230000008646 thermal stress Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000013049 sediment Substances 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention provides a mounting structure of a lower track bottom plate of a converter furnace, which relates to the field of lower tracks of converter furnaces and comprises a track foundation steel frame die, a sectional bottom plate, a first sectional steel beam, a second sectional steel beam and a track body, wherein the track bottom plate is arranged on the track foundation steel frame die, a plurality of groups of first sectional steel beams are spliced to form the first track steel beam, a plurality of groups of second sectional steel beams are spliced to form the second track steel beam, the first track steel beam and the second track steel beam are symmetrically arranged above the track bottom plate, mounting holes are formed in the track bottom plate on one side of a steel beam protection structure, a plurality of groups of mounting holes are arranged at equal intervals, and foundation screws are arranged in the mounting holes; through setting up rag screw, can utilize rag screw to carry out towards the thermal stress that track foundation plate produced and the rag screw tensioning force of putting into, guarantee that the track does not receive the circumstances such as local deformation that the red sediment toasted and lead to under the stove, guarantee track even running under the stove, reduced track maintenance cost under the stove.
Description
Technical Field
The invention relates to the field of converter furnace lower rails, in particular to a converter furnace lower rail bottom plate mounting structure.
Background
The rail bottom plate mounting structure is mainly a foundation for ensuring the stable running of vehicles under a furnace, the existing rail bottom plate mounting structure under the furnace is mounted on a basic embedded plate, the embedded plate is mounted at intervals of 600mm-1000mm and is made of steel plates with delta being 20mm, and the embedded plate is welded by using deformed steel bars with phi 18mm and phi 20mm when a base is molded to ensure that the embedded plate is fixedly stressed; when the load of the vehicle under the furnace runs, the load is transferred to the track, the bottom plate and the embedded plate to the foundation through the wheels;
during conditions such as splashing or slag overflow caused by changes of molten iron components and oxygen lance positions during smelting, slag overflow during slag dumping, splashing during steel tapping and the like, red slag is easily stored in a track bottom plate, thermal deformation is caused to the track bottom plate and an embedded plate due to uneven distribution of thermal stress, a welding seam is cracked, a running track of a vehicle under a furnace is directly influenced, the furnace is forced to be stopped, the bottom plate is replaced, and the like, so that the production rhythm and the effective operation rate are severely restricted; therefore, the invention provides a mounting structure of a lower track bottom plate of a converter, which aims to overcome the defects in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a bottom plate mounting structure for a lower track of a converter, which can utilize a foundation screw to impact thermal stress generated by a foundation bottom plate of the track and tension of the foundation screw, thereby preventing the lower track of the converter from local deformation caused by baking red slag, ensuring stable operation of the lower track of the converter, and reducing maintenance cost of the lower track of the converter.
In order to achieve the purpose, the invention provides the following technical scheme:
a converter furnace lower track bottom plate mounting structure comprises a track foundation steel frame die, a sectional type bottom plate, a first sectional steel beam, a second sectional steel beam and a track body, wherein the sectional type bottom plate is provided with a plurality of groups, the plurality of groups of sectional type bottom plates are spliced to form the track bottom plate, the track bottom plate is arranged on the track foundation steel frame die, a plane protection plate is arranged on the track bottom plate, the first sectional steel beam and the second sectional steel beam are provided with a plurality of groups, the cross sections of the first sectional steel beam and the second sectional steel beam are in I-shaped structures, the plurality of groups of first sectional steel beams are spliced to form the first track steel beam, the plurality of groups of second sectional steel beams are spliced to form the second track steel beam, the first track steel beam and the second track steel beam are symmetrically arranged above the track bottom plate, the top parts of the first track steel beam and the second track steel beam are provided with track bodies, and two sides of the first track steel beam and the second track steel beam are provided with steel beam protection structures, the steel beam protection structure is characterized in that mounting holes are formed in a rail bottom plate on one side of the steel beam protection structure, multiple groups of mounting holes are arranged at equal intervals, and foundation screws are arranged in the mounting holes.
The further improvement lies in that: the steel beam protection structure comprises a plugging block and a side protection plate, the outer side edge of the plugging block is of a bevel edge structure, the side protection plate is arranged on the bevel edge structure of the plugging block, and the side protection plate is detachably connected with the plugging block through a positioning bolt.
The further improvement lies in that: the blocking block is provided with a stepped groove, a connecting bolt is arranged in the stepped groove, and the blocking block is fixed with the track bottom plate through the connecting bolt.
The further improvement lies in that: and the splicing seams on the track bottom plate and the splicing seams of the first track steel beam and the second track steel beam are arranged in a staggered manner.
The further improvement lies in that: the plane protection plate is provided with a through hole, a fastening bolt is arranged in the through hole, and the plane protection plate is fixed with the track bottom plate through the fastening bolt.
The further improvement lies in that: the mounting hole is provided with a nut matched with the foundation screw, a steel plate flat pad is arranged between the nut and the rail base plate, and the diameter of the steel plate flat pad is larger than that of the nut.
The further improvement lies in that: the inclined angle of the bevel edge structure of the plugging block is 60 degrees.
The invention has the beneficial effects that: by arranging the foundation screw, the thermal stress generated by the track foundation base plate and the tension force of the embedded foundation screw can be impacted by utilizing the foundation screw, so that the conditions that the lower track of the furnace is not locally deformed due to red slag baking and the like are avoided, the lower track of the furnace is ensured to stably run, the overhauling and maintenance cost of the lower track of the furnace is reduced, and the method has extremely important positive effects on ensuring long-period stable running of the lower track of the furnace, ensuring that equipment is intact and fully exerting the efficiency of the equipment, reducing equipment accidents and faults and improving the economic benefit of enterprises;
through setting up girder steel protection architecture, utilize the plugging block and protect the structural strength that the sideboard can protect first track girder steel and second track girder steel, and plugging block and protect sideboard and be demountable installation structure, be convenient for change the maintenance, it is high to use the convenience.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic side plan view of the structure of the present invention;
FIG. 3 is a schematic view of the installation of the steel beam protection structure of the present invention;
FIG. 4 is a schematic view of the installation of the plugging block structure of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
Wherein: 1. a rail foundation steel frame die; 2. a segmented floor; 3. a first segmented steel beam; 4. a second section steel beam; 5. a track body; 6. a track floor; 7. a planar protection plate; 8. a first rail steel beam; 9. a second track steel beam; 10. a steel beam protection structure; 11. mounting holes; 12. a ground screw; 13. a plugging block; 14. a side guard plate; 15. positioning the bolt; 16. a stepped groove; 17. a connecting bolt; 18. fastening a bolt; 19. a nut; 20. and (5) flattening the steel plate.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to the drawings of fig. 1-5, the embodiment provides a converter furnace lower track bottom plate mounting structure, which includes a track foundation steel frame mold 1, a sectional bottom plate 2, a first sectional steel beam 3, a second sectional steel beam 4 and a track body 5, wherein the sectional bottom plate 2 is provided with a plurality of groups, and a plurality of groups of the sectional bottom plates 2 are spliced to form a track bottom plate 6, the track bottom plate 6 is arranged on the track foundation steel frame mold 1, a planar protection plate 7 is arranged on the track bottom plate 6, the first sectional steel beam 3 and the second sectional steel beam 4 are provided with a plurality of groups, and the cross sections are in an i-shaped structure, the plurality of groups of the first sectional steel beams 3 are spliced to form a first track steel beam 8, the plurality of groups of the second sectional steel beams 4 are spliced to form a second track steel beam 9, the first track steel beam 8 and the second track steel beam 9 are symmetrically arranged above the track bottom plate 6, the track steel beam 8 and the second track body 5 are arranged on the top of the first track steel beam 8 and the second track steel beam 9, the steel beam protection structure 10 is arranged on each of two sides of the first track steel beam 8 and the second track steel beam 9, a mounting hole 11 is formed in the track bottom plate 6 on one side of the steel beam protection structure 10, multiple groups of the mounting holes 11 are arranged at equal intervals, and the foundation screws 12 are arranged in the mounting holes 11, so that when the track bottom plate 6 is heated to generate thermal stress, the foundation screws 12 are screwed, and the thermal stress generated by the track foundation bottom plate and the tension force of the embedded foundation screws 12 are impacted and supported by the foundation screws 12.
Girder steel protection architecture 10 includes plugging block 13 and edge protector 14, the outside limit of plugging block 13 is the hypotenuse structure, edge protector 14 sets up structural at the hypotenuse of plugging block 13, and edge protector 14 passes through positioning bolt 15 and can dismantle with plugging block 13 and be connected.
Be equipped with the ladder groove 16 on the shutoff piece 13, be equipped with connecting bolt 17 in the ladder groove 16, shutoff piece 13 passes through connecting bolt 17 and is fixed with track bottom plate 6.
The splicing seam on the track bottom plate 6 and the splicing seams of the first track steel beam 8 and the second track steel beam 9 are arranged in a staggered mode, and when thermal stress can be guaranteed to occur due to the staggered arrangement of the splicing seams, the splicing positions of the first track steel beam 8 and the second track steel beam 9 are protected from being influenced.
The plane protection plate 7 is provided with a through hole, a fastening bolt 18 is arranged in the through hole, and the plane protection plate 7 is fixed with the track bottom plate 6 through the fastening bolt 18.
Be equipped with the nut 19 with rag screw 12 looks adaptation on the mounting hole 11, be equipped with the flat pad 20 of steel sheet between nut 19 and the track bottom plate 6, the flat pad 20 diameter of steel sheet is greater than the nut 19 diameter.
The bevel edge structure of the plugging block 13 has an inclination angle of 60 °.
By arranging the foundation screw 12, the thermal stress generated by the track foundation base plate and the tension force of the embedded foundation screw 12 can be resisted by the foundation screw 12, so that the conditions that the lower track of the furnace is not locally deformed due to baking of red slag and the like are ensured, the lower track of the furnace is ensured to stably run, the overhauling and maintenance cost of the lower track of the furnace is reduced, and the method has extremely important positive effects on ensuring the long-period stable running of the lower track of the furnace, ensuring the equipment to be in good condition, fully exerting the efficiency of the equipment, reducing the accidents and faults of the equipment and improving the economic benefit of enterprises;
through setting up girder steel protection architecture 10, utilize plugging block 13 and sideboard 14 can protect the structural strength of first track girder steel 8 and second track girder steel 9, and plugging block 13 and sideboard 14 are demountable installation structure, are convenient for change the maintenance, and the convenience of use is high.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a track bottom plate mounting structure under converter stove, includes track basis steel frame mould (1), sectional type bottom plate (2), first segmentation girder steel (3), second segmentation girder steel (4) and track body (5), its characterized in that: the rail base plate is characterized in that a plurality of groups of sectional base plates (2) are arranged, a rail base plate (6) is formed after the plurality of groups of sectional base plates (2) are spliced, the rail base plate (6) is arranged on a rail foundation steel frame die (1), a plane protection plate (7) is arranged on the rail base plate (6), a plurality of groups of first sectional steel beams (3) and second sectional steel beams (4) are arranged, the cross sections of the first sectional steel beams and the second sectional steel beams are of I-shaped structures, a plurality of groups of first sectional steel beams (3) are spliced to form first rail steel beams (8), a plurality of groups of second sectional steel beams (4) are spliced to form second rail steel beams (9), the first rail steel beams (8) and the second rail steel beams (9) are symmetrically arranged above the rail base plate (6), a rail body (5) is arranged at the tops of the first rail steel beams (8) and the second rail steel beams (9), steel beam protection structures (10) are arranged on two sides of the first rail steel beams (8) and the second rail steel beams (9), be equipped with mounting hole (11) on track bottom plate (6) of girder steel protection structure (10) one side, mounting hole (11) equidistance is equipped with the multiunit, be equipped with rag screw (12) in mounting hole (11).
2. The mounting structure of the lower track bottom plate of the converter furnace according to claim 1, characterized in that: girder steel protection architecture (10) are including plugging block (13) and safe edge plate (14), the outside limit of plugging block (13) is the hypotenuse structure, safe edge plate (14) set up the hypotenuse of plugging block (13) structurally, and safe edge plate (14) pass through positioning bolt (15) and can dismantle with plugging block (13) and be connected.
3. The mounting structure of the lower track bottom plate of the converter furnace according to claim 2, characterized in that: be equipped with ladder groove (16) on plugging block (13), be equipped with connecting bolt (17) in ladder groove (16), plugging block (13) are fixed with track bottom plate (6) through connecting bolt (17).
4. The mounting structure of the lower track bottom plate of the converter furnace according to claim 1, characterized in that: and the splicing seams on the track bottom plate (6) and the splicing seams of the first track steel beam (8) and the second track steel beam (9) are arranged in a staggered manner.
5. The mounting structure of the lower track bottom plate of the converter furnace according to claim 1, characterized in that: the plane protection plate is characterized in that a through hole is formed in the plane protection plate (7), a fastening bolt (18) is arranged in the through hole, and the plane protection plate (7) is fixed with the track bottom plate (6) through the fastening bolt (18).
6. The mounting structure of the lower track bottom plate of the converter furnace according to claim 1, characterized in that: be equipped with nut (19) with rag screw (12) looks adaptation on mounting hole (11), be equipped with flat pad of steel sheet (20) between nut (19) and track bottom plate (6), flat pad of steel sheet (20) diameter is greater than nut (19) diameter.
7. The mounting structure of the lower track bottom plate of the converter furnace according to claim 2, characterized in that: the inclined angle of the bevel edge structure of the plugging block (13) is 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110951326.2A CN113564302A (en) | 2021-08-18 | 2021-08-18 | Converter stove lower track bottom plate mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110951326.2A CN113564302A (en) | 2021-08-18 | 2021-08-18 | Converter stove lower track bottom plate mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113564302A true CN113564302A (en) | 2021-10-29 |
Family
ID=78172175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110951326.2A Pending CN113564302A (en) | 2021-08-18 | 2021-08-18 | Converter stove lower track bottom plate mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113564302A (en) |
-
2021
- 2021-08-18 CN CN202110951326.2A patent/CN113564302A/en active Pending
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