CN202830056U - Stokehole tuyere opening device of blast furnace - Google Patents
Stokehole tuyere opening device of blast furnace Download PDFInfo
- Publication number
- CN202830056U CN202830056U CN 201220505925 CN201220505925U CN202830056U CN 202830056 U CN202830056 U CN 202830056U CN 201220505925 CN201220505925 CN 201220505925 CN 201220505925 U CN201220505925 U CN 201220505925U CN 202830056 U CN202830056 U CN 202830056U
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- guide rail
- blast furnace
- rail bearing
- blows
- rock drill
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Abstract
The utility model discloses a stokehole tuyere opening device of a blast furnace. The stokehole tuyere opening device comprises a guide rail support and legs articulated with the bottom of the guide rail support, wherein the guide rail support is provided with a slider movably connected with the guide rail support, two sides of the guide rail support are respectively provided with an air cylinder, an air circuit of each air cylinder is connected with an air source through a two-position three-way valve, power output ends of the two air cylinders are connected with a balancing pole above one end of the guide rail support, the balancing pole is provided with two linkage shafts, one ends of the two linkage shafts are fixedly connected with the balancing pole, the other ends of the linkage shafts are fixedly connected with the slider, the top of the slider is provided with a rock drill, two sides of the slider are respectively fixedly provided with a horizontal angle-iron bracket in axial parallel to the guide rail support, one ends of the two horizontal angle-iron brackets are both fixedly provided with a longitudinal angle-iron bracket, two pieces of upper and lower high-temperature prevention glass is fixed between the two longitudinal angle-iron brackets, and a gap allowing a pickaxe drill rod of the rock drill to penetrate through is formed between the two pieces of high-temperature prevention glass. The stokehole tuyere opening devices disclosed by the utility model is high in working efficiency, safety and accuracy and can be widely applied to the field of blast furnace ironmaking.
Description
Technical field
The utility model relates to the blast furnace ironmaking field, refers to particularly mouthful device that blows in before a kind of State of Blast Furnace.
Background technology
The air port also claims tuyere small sleeve, is air-supply pipeline parts foremost.It is positioned at blast furnace hearth top, the angled furnace wall that probes into.Belly pipe termination and the air port driving fit of blowpipe are assembled together, and the hot blast in the hotblast stove blows out by the air port from belly pipe and is blown into blast furnace, and coal dust and the carrier gas thereof of jetting in the blast furnace also enter in the State of Blast Furnace by the air port.In the blast furnace maintenance process, generally to carry out block clearing dredging to the air port from the belly pipe peep hole, but not have now professional equipment to carry out this work, existing production technique be mostly in the situation that damping down by manually carrying out.This technological work efficient is low, high and greatly lengthened production cycle of blast furnace to workman's technical requirements.
Domestic some steel mill adopts be in the situation that not damping down blow in manually-operated mode and mouthful operate, the work High Temperature Gas fails to be convened for lack of a quorum and from the peep hole ejection staff's personnel safety is caused security threat when damping down not, labour intensity is large especially and split the accuracy requirement in air port because the air port peep hole is less very high, this production technique can not satisfy the requirement of current production, needs design a set of equipment with the quick and precisely mouthful operation of blowing in of safety.
Summary of the invention
The purpose of this utility model is exactly that mouthful device that blows in before a kind of high efficiency, the State of Blast Furnace that safe, labour intensity is low, tolerance range is high will be provided.
For achieving the above object, a mouthful device blows in before the designed State of Blast Furnace of the utility model, comprise guide rail bearing and with the supporting leg of guide rail bearing bottom-hinged, described guide rail bearing is provided with the slide block with its flexible connection, described guide rail bearing both sides respectively are provided with a cylinder, the gas circuit of described cylinder with link to each other with source of the gas by two position three-way valve, the clutch end of two cylinders links to each other with the rock arm that is arranged at guide rail bearing one end top, described rock arm is provided with the universal driving shaft that two ends are fixedly linked with it, the other end of described universal driving shaft is fixedly connected with slide block, described slider top is provided with rock drill, described slide block both sides respectively are fixed with a horizontal corner steel carriage with the guide rail bearing axially parallel, one end of two horizontal corner steel carriages all is fixed with the sole bar angle carriage, be fixed with up and down two anti-high temp glass between two sole bar angle carriages, be provided with the space that allows the original text pricker of rock drill pass between two anti-high temp glass.
As preferred version, be provided with contiguous block between described slide block and the rock drill, described contiguous block and rock drill are hinged to increase the degree of freedom of vertical direction by coupling shaft, and described contiguous block is hinged to increase the degree of freedom of horizontal direction by bearing pin and slide block.
Further, described coupling shaft one end is provided with the stop nut that prevents that contiguous block and rock drill from getting loose.
Enter again a ground, be provided with pallet between described guide rail bearing and the supporting leg, described tray bottom and supporting leg are hinged, tray top is fixed with setting nut, be provided with the lifting shaft with its thread fit in the described setting nut, described guide rail bearing is provided with set screw nut, and described lifting shaft passes guide rail bearing and set screw nut thread fit.
Further, described tray bottom is provided with otic placode, and described otic placode is with hinged with supporting leg.
Further, described guide rail bearing two ends are equipped with the caging bolt of restriction slide block shift motion.
Further, the gas circuit of described cylinder is provided with sourdine.
Further, be provided with crampoons bottom the described guide rail bearing.
Further, also comprise the first carriage connecting rod and the second carriage connecting rod, described the first carriage connecting rod respectively with horizontal corner steel carriage and the hinged composition A-frame of sole bar angle carriage, the sole bar angle carriage bottom of described rock drill both sides links to each other with the two ends of the second carriage connecting rod respectively.
Further, be provided with the pin nail bottom the described supporting leg.
Principle of work of the present utility model is such: for guaranteeing to install quickly and easily and mobile equipment, adopt the crampoons suspention to add the mode operation that supporting leg supports.When equipment work, anti-high temp glass is installed to stop high temperature gas flow for guaranteeing personal security before equipment.In the rock drill working process, for the labour intensity that alleviates the staff and increase the rock drilling tolerance range, the propulsion mode promotion rock drill operation that is cooperated with slide block by air cylinder driven, guide rail bearing is adopted in design.Simultaneously, the degree of freedom when working for increasing rock drill makes respectively contiguous block and rock drill, contiguous block and slide block hinged to increase respectively rock drill in the degree of freedom of vertical direction and horizontal direction.
The utility model has the advantage of: replaced the labor cleaning with machinery operation, not only reduce labour intensity, improved tolerance range, and greatly improved working efficiency, shortened mouthful time of blowing in, saved the time of half, activity duration was shortened in 20 minutes, and simultaneously, the use of anti-high temp glass also makes security be improved.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of mouthful device of blowing in before a kind of State of Blast Furnace;
Fig. 2 is the right TV structure schematic diagram of Fig. 1;
Fig. 3 is the plan structure schematic diagram of Fig. 1;
Fig. 4 is the pneumatic principle schematic diagram of mouthful device of blowing in before the State of Blast Furnace shown in Figure 1.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Referring to Fig. 1 to Fig. 4, mouthful device that blows in before the utility model State of Blast Furnace comprises guide rail bearing 1, supporting leg 2, slide block 3, cylinder 4, two position three-way valve 5, source of the gas 6, rock arm 7, universal driving shaft 8, rock drill 9, horizontal corner steel carriage 10, sole bar angle carriage 11, anti-high temp glass 12, contiguous block 13, coupling shaft 14, bearing pin 15, stop nut 16, pallet 17, setting nut 18, lifting shaft 19, set screw nut 20, otic placode 21, caging bolt 22, sourdine 23, crampoons 24, the first carriage connecting rod 25, the second carriage connecting rod 26, pin nail 27, pressing plate 28 and standing bolt 29.
Described supporting leg 2 is hinged with guide rail bearing 1, and in the present embodiment, described crampoons 24 is located at guide rail bearing 1 bottom; Described supporting leg 2 has three, and each supporting leg 2 bottom is provided with pin nail 27; Be welded with the limited block (not shown) on the described supporting leg 2, limit the angle of opening with supporting leg 2; Described pallet 17 is located between guide rail bearing 1 and the supporting leg 2, described pallet 17 bottoms and supporting leg 2 are hinged, setting nut 18 is fixed in pallet 17 tops, described lifting shaft 19 be located in the setting nut 18 and with setting nut 18 thread fit, described set screw nut 20 is provided with on the guide rail bearing 1, described lifting shaft 19 passes guide rail bearing 1 and set screw nut 20 thread fit, and in optimum embodiment, setting nut 18 is fixed in pallet 17 tops; Described otic placode 21 is located at pallet 17 bottoms, and hinged with supporting leg 2.Described slide block 3 is flexibly connected with guide rail bearing 1, and in the present embodiment, described caging bolt 22 is located at guide rail bearing 1 two ends, with restriction slide block 3 shift motions.
Described cylinder 4 is two, be located at respectively guide rail bearing 1 both sides, the gas circuit of described cylinder 4 with link to each other with source of the gas 6 by two position three-way valve 5, described rock arm 7 is arranged at guide rail bearing 1 one ends top, the clutch end of two cylinders 4 links to each other with rock arm 7, and described universal driving shaft 8 is two, and the two ends of every universal driving shaft 8 are fixedly linked with rock arm 7 and slide block 3 respectively, in the present embodiment, described sourdine 23 is located on the gas circuit of cylinder 4; Described two position three-way valve 5 is foot-operated two position three-way valve.Described rock drill 9 is located at slide block 3 tops, and in the present embodiment, described rock drill 9 is YT28 type rock drill; Described contiguous block 13 is located between slide block 3 and the rock drill 9, described contiguous block 13 is hinged to increase the degree of freedom of vertical direction by coupling shaft 14 with rock drill 9, contiguous block 13 is hinged to increase the degree of freedom of horizontal direction with slide block 3 by bearing pin 15, in optimum embodiment, described stop nut 16 is located at coupling shaft 14 1 ends, gets loose to prevent contiguous block 13 and rock drill 9.
Described horizontal corner steel carriage 10 has two, is fixed in slide block 3 both sides, with guide rail bearing 1 axially parallel.Described sole bar angle carriage 11 has two, end with two horizontal corner steel carriages 10 fixes respectively, in the present embodiment, described the first carriage connecting rod 25 is hinged with horizontal corner steel carriage 10 and sole bar angle carriage 11 respectively, form A-frame, so that horizontal corner steel carriage 10 and sole bar angle carriage 11 positions are fixed; The two ends of described the second carriage connecting rod 26 link to each other with sole bar angle carriage 11 bottoms of rock drill 9 both sides respectively, play the effect of structural strengthening.Described anti-high temp glass 12 has two, be fixed in up and down between two sole bar angle carriages 11, be provided with the space that allows the original text pricker 9.1 of rock drill 9 pass between two anti-high temp glass 12, in the present embodiment, described pressing plate 28 and standing bolt 29 match, and will prevent that high temp glass 12 is fixed on sole bar angle carriage 11 and the second carriage connecting rod 26.
When blowing in mouthful (not shown), first original text pricker 9.1 is inserted the belly pipe (not shown)s, again by suspention crampoons 24 mouthful device handling of blowing in before the State of Blast Furnace to the tuyere position that needs, rotation setting nut 18 is to regulate the height of rock drill 9.Rock drill 9 is hinged by coupling shaft 14 and contiguous block 13, increased the degree of freedom of rock drill 9 at vertical direction, contiguous block 13 is hinged by bearing pin 15 and slide block 3, increased rock drill 9 degree of freedom in the horizontal direction, by opening two position three-way valve 5, by the tracheae (not shown) high pressure gas is delivered to two cylinders 4, producing thrust makes slide block 3 travel forward along guide rail bearing 1, thereby drive rock drill 9 travels forward and does the opening operation, last high pressure gas are discharged by sourdine 23, caging bolt 22 limits the shift motion of slide blocks 3 at the volley, the employing of these measures has improved the degree of freedom when blowing in mouthful device operation before the State of Blast Furnace, also improve performance accuracy, shortened the activity duration.Pallet 17 belows by hinged otic placode 21 and supporting leg 2 so that pack up.Anti-high temp glass 12 can guarantee operator's safety when rock drill 9 work.
Claims (10)
1. a mouthful device blows in before the State of Blast Furnace, it is characterized in that: comprise guide rail bearing (1) and with the supporting leg (2) of guide rail bearing (1) bottom-hinged, described guide rail bearing (1) is provided with the slide block (3) with its flexible connection, described guide rail bearing (1) both sides respectively are provided with a cylinder (4), the gas circuit of described cylinder (4) links to each other with source of the gas (6) by two position three-way valve (5), the clutch end of two cylinders (4) links to each other with the rock arm (7) that is arranged at guide rail bearing (1) one end top, described rock arm (7) is provided with the universal driving shaft (8) that two ends are fixedly linked with it, the other end of described universal driving shaft (8) is fixedly connected with slide block (3), described slide block (3) top is provided with rock drill (9), described slide block (3) both sides respectively are fixed with a horizontal corner steel carriage (10) with guide rail bearing (1) axially parallel, one end of two horizontal corner steel carriages (10) all is fixed with sole bar angle carriage (11), be fixed with up and down two anti-high temp glass (12) between two sole bar angle carriages (11), be provided with the space that allows the original text pricker (9.1) of rock drill (9) pass between two anti-high temp glass (12).
2. a mouthful device blows in before the State of Blast Furnace according to claim 1, it is characterized in that: be provided with contiguous block (13) between described slide block (3) and the rock drill (9), described contiguous block (13) is hinged to increase the degree of freedom of vertical direction by coupling shaft (14) with rock drill (9), and described contiguous block (13) is hinged to increase the degree of freedom of horizontal direction by bearing pin (15) and slide block (3).
3. mouthful device that blows in before the State of Blast Furnace according to claim 2 is characterized in that: described coupling shaft (14) one ends are provided with the stop nut (16) that prevents that contiguous block (13) and rock drill (9) from getting loose.
4. a mouthful device according to claim 1 blows in before each described State of Blast Furnace in 3, it is characterized in that: be provided with pallet (17) between described guide rail bearing (1) and the supporting leg (2), described pallet (17) bottom is hinged with supporting leg (2), pallet (17) top is fixed with setting nut (18), be provided with the lifting shaft (19) with its thread fit in the described setting nut (18), described guide rail bearing (1) is provided with set screw nut (20), and described lifting shaft (19) passes guide rail bearing (1) and set screw nut (20) thread fit.
5. mouthful device that blows in before the State of Blast Furnace according to claim 4 is characterized in that: described pallet (17) bottom is provided with otic placode (21), and described otic placode (21) is hinged with supporting leg (2).
6. mouthful device that blows in before each described State of Blast Furnace in 3 according to claim 1, it is characterized in that: described guide rail bearing (1) two ends are equipped with the caging bolt (22) of restriction slide block (3) shift motion.
7. mouthful device that blows in before each described State of Blast Furnace in 3 according to claim 1, it is characterized in that: the gas circuit of described cylinder (4) is provided with sourdine (23).
8. mouthful device that blows in before each described State of Blast Furnace in 3 according to claim 1, it is characterized in that: described guide rail bearing (1) bottom is provided with crampoons (24).
9. a mouthful device according to claim 1 blows in before each described State of Blast Furnace in 3, it is characterized in that: also comprise the first carriage connecting rod (25) and the second carriage connecting rod (26), described the first carriage connecting rod (25) respectively with horizontal corner steel carriage (10) and the hinged composition A-frame of sole bar angle carriage (11), sole bar angle carriage (11) bottom of described rock drill (9) both sides links to each other with the two ends of the second carriage connecting rod (26) respectively.
10. mouthful device that blows in before each described State of Blast Furnace in 3 according to claim 1, it is characterized in that: described supporting leg (2) bottom is provided with pin nail (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220505925 CN202830056U (en) | 2012-09-29 | 2012-09-29 | Stokehole tuyere opening device of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220505925 CN202830056U (en) | 2012-09-29 | 2012-09-29 | Stokehole tuyere opening device of blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202830056U true CN202830056U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220505925 Expired - Fee Related CN202830056U (en) | 2012-09-29 | 2012-09-29 | Stokehole tuyere opening device of blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202830056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702057A (en) * | 2015-11-17 | 2017-05-24 | 鞍钢股份有限公司 | Blast furnace tuyere opening device |
| CN110791603A (en) * | 2019-11-30 | 2020-02-14 | 广东韶钢松山股份有限公司 | Method and device for opening air port of blast furnace |
-
2012
- 2012-09-29 CN CN 201220505925 patent/CN202830056U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702057A (en) * | 2015-11-17 | 2017-05-24 | 鞍钢股份有限公司 | Blast furnace tuyere opening device |
| CN110791603A (en) * | 2019-11-30 | 2020-02-14 | 广东韶钢松山股份有限公司 | Method and device for opening air port of blast furnace |
| CN110791603B (en) * | 2019-11-30 | 2024-04-02 | 广东韶钢松山股份有限公司 | Method and device for opening blast furnace air |
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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: 20130327 Termination date: 20170929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |