CN204565489U - A kind of blast furnace air-supply belly pipe assembly welding frock - Google Patents
A kind of blast furnace air-supply belly pipe assembly welding frock Download PDFInfo
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- CN204565489U CN204565489U CN201520162991.3U CN201520162991U CN204565489U CN 204565489 U CN204565489 U CN 204565489U CN 201520162991 U CN201520162991 U CN 201520162991U CN 204565489 U CN204565489 U CN 204565489U
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Abstract
A kind of blast furnace air-supply belly pipe assembly welding frock, belongs to smelting iron and steel technical field.Described blast furnace air-supply belly pipe assembly welding frock comprises base, large flange chuck, workpiece support mechanism, little flange detent mechanism, bulb positioning seat and bulb positioning seat guiding mechanism; Described base is fixing in the horizontal plane, and at pan frontward end fixed installation large flange chuck, rear portion is equipped with bulb positioning seat guiding mechanism in the base; Equipped bulb positioning seat above described bulb positioning seat guiding mechanism; The hot-blast outlet of described bulb positioning seat and assembly welding workpiece matches; Described workpiece support mechanism is arranged on base; Be equipped with base bottom described little flange detent mechanism, the little flange of top and assembly welding workpiece and coal powder lance sleeve pipe are equipped with.The utility model not only meets blast furnace iron-making process to high-temp combustion point R status requirement, extends the service life of blast furnace air-supply belly pipe, and improves the operating efficiency of the operation that is welded, ensure that the uniformity of product.
Description
Technical field
The utility model relates to a kind of metallic article assembly welding frock, and especially a kind of assembly welding frock being applicable to blast furnace supply air system belly pipe, belongs to smelting iron and steel technical field.
Background technology
Belly pipe is the vitals in blast furnace supply air system, and its function is heated to by hot-blast stove in the hot-air feeding blast furnace of 1200-1350 DEG C.A kind of blast furnace air-supply belly pipe 1 such as shown in accompanying drawing 1, its front end is the large flange 1-1 be connected with air-supply elbow, and rear end is the hot-blast outlet 1-4 that a ball lacks shape, is belly pipe body 1-2 between large flange 1-1 and hot-blast outlet 1-4; Described belly pipe body 1-2 outer wall is bullet steel construction, air-supply through hole 1-6 is formed at bullet steel construction inner lining refractory 1-5, belly pipe body 1-2 outer wall is also provided with coal powder lance bag 1-3, suit coal powder lance sleeve pipe 1-9 in described coal powder lance bag 1-3, the little flange 1-8 of described coal powder lance sleeve pipe 1-9 front end is connected with coal powder lance, and the high temperature coal powder injection through hole 1-7 that rear end and inner lining refractory are formed is connected; Described high temperature coal powder injection through hole 1-7 and belly pipe through hole 1-6 terminal of blowing communicates, and high temperature coal powder injection through hole 1-7 and belly pipe blow through hole 1-6 central axis angle α generally at about 10 degree.
Large flange 1-1, hot-blast outlet 1-4, belly pipe body 1-2, coal powder lance bag 1-3 and coal powder lance sleeve pipe 1-9 are fixed together by assembly welding technique by blast furnace air-supply belly pipe 1.When blast furnace air-supply belly pipe 1 is in running order, high temperature coal dust sprays in the furnace chamber of blast furnace by high temperature coal powder injection through hole 1-7 by coal powder lance, high temperature coal dust burns at the air-supply through hole 1-6 central axis of belly pipe and high temperature coal powder injection through hole 1-7 central axis intersection, therefore forms high-temp combustion point R at air-supply through hole 1-6 central axis and high temperature coal powder injection through hole 1-7 central axis intersection.For meeting blast furnace iron-making process to high-temp combustion point R status requirement, extend the service life of blast furnace air-supply belly pipe, in blast furnace air-supply belly pipe 1 assembly welding process, strictly must control critical sizes such as small flange plate face and belly pipe body central wheelbase h1, small flange plate face and large flange card distance h2 and coal powder lance sleeve pipe 1-9 angles of inclination (i.e. high temperature coal powder injection through hole 1-7 and belly pipe blow through hole 1-6 central axis angle α).
Utility model content
The purpose of this utility model is the assembly welding problem for blast furnace air-supply belly pipe, provides a kind of universal performance good, both can improve the operating efficiency that is welded, and can meet again the blast furnace air-supply belly pipe assembly welding frock of homogeneity of product requirement.
The purpose of this utility model is achieved through the following technical solutions:
A kind of blast furnace air-supply belly pipe assembly welding frock, comprises base, large flange chuck, workpiece support mechanism, little flange detent mechanism, bulb positioning seat and bulb positioning seat guiding mechanism; Described base is fixing in the horizontal plane, and at pan frontward end fixed installation large flange chuck, rear portion is equipped with bulb positioning seat guiding mechanism in the base; Equipped bulb positioning seat above described bulb positioning seat guiding mechanism; The hot-blast outlet of described bulb positioning seat and assembly welding workpiece matches; Described workpiece support mechanism is arranged on base; Be equipped with base bottom described little flange detent mechanism, the little flange of top and assembly welding workpiece and coal powder lance sleeve pipe are equipped with.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described bulb positioning seat guiding mechanism comprises operating grip, screw nut driven assembly, sliding seat and bulb positioning seat support; Described operating grip is arranged on the rear end of leading screw in screw nut driven assembly; In described screw nut driven assembly, nut and sliding seat are fixed and are assembled; Bulb positioning seat support is installed above described sliding seat; Bulb positioning seat support assembles bulb positioning seat.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described screw nut driven assembly is provided with locking element, and described locking element is arranged on leading screw, is positioned at the inner side of operating grip.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described sliding seat is arranged the first T-shaped guide-track groove, at described first T-shaped guide-track groove both sides identification length size scale.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described bulb positioning seat front end face is the spacing plane of mating with assembly welding workpiece hot-blast outlet, is equipped with special-shaped lock-nut at bulb positioning seat rear end face.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described little flange detent mechanism is made up of coal powder lance sleeve pipe backstay, little flange positioning plate assembly, angle adjustment lever and little flange locating ring support bar; Described little flange positioning plate assembly upper end and coal powder lance sleeve pipe backstay assemble, and lower end and angle adjustment lever front end are equipped with; Described angle adjustment rod rear end and little flange locating ring support bar hinge mounted; Described little flange locating ring support bar lower end is assembled by the first T-shaped guide-track groove of sliding seat in the T-shaped dog screw of bulb and location-plate and bulb positioning seat guiding mechanism, and described little flange locating ring post upper and coal powder lance sleeve pipe backstay are equipped with.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described little flange detent mechanism is arranged symmetrically in the both sides of base fore-and-aft direction central axis, is respectively used to the location to assembly welding workpiece two kinds of symmetrical clamping positions.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described workpiece support mechanism comprises the second supporting component of the first supporting component and the fixing assembling that can realize front and back position adjustment, is also provided with height adjustment element in described first supporting component.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described base front portion is provided with the second T-shaped guide-track groove, described second T-shaped guide-track groove is arranged the briquetting coordinated with little flange detent mechanism, and described briquetting is equipped with by the T-shaped dog screw of bulb and the second T-shaped guide-track groove.
Above-mentioned blast furnace air-supply belly pipe assembly welding frock, described base rear portion is provided with the gathering sill coordinated with sliding seat in bulb positioning seat guiding mechanism and the second supporting component, at base rear portion both sides identification length size scale.
Blast furnace air-supply belly pipe assembly welding frock described in the utility model passes through base, large flange chuck, workpiece support mechanism, little flange detent mechanism, the cooperation of bulb positioning seat and bulb positioning seat guiding mechanism, achieve assembly welding workpiece small flange plate face and belly pipe body central wheelbase h1, the strict control of small flange plate face and large flange card distance h2 and coal powder lance angle [alpha], not only meet blast furnace iron-making process to high-temp combustion point R status requirement, extend the service life of blast furnace air-supply belly pipe, and improve the operating efficiency of the operation that is welded, ensure that the uniformity of product.
Accompanying drawing explanation
Fig. 1 is blast furnace air-supply belly pipe structural representation;
Fig. 2 is blast furnace air-supply belly pipe assembly welding tool structure schematic diagram;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is understructure schematic diagram;
Fig. 5 is bulb positioning seat and bulb positioning seat guiding mechanism schematic diagram;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is little flange detent mechanism schematic diagram;
Fig. 8 is A-A cross-sectional view in Fig. 7;
Fig. 9 is blast furnace air-supply belly pipe assembly welding frock working state schematic representation.
In figure, each list of reference numerals is: 1, blast furnace air-supply belly pipe, 1-1, large flange, 1-2, belly pipe body, 1-3, coal powder lance bag, 1-4, hot-blast outlet, 1-5, refractory material, 1-6, air-supply through hole, 1-7, radiation through hole, 1-8, little flange, 1-9, coal powder lance sleeve pipe, 2, blast furnace air-supply belly pipe assembly welding frock, 2-1, base, 2-1-1, second T-shaped guide-track groove, 2-1-2, briquetting, 2-1-3, gathering sill, 2-1-4, length dimension scales, 2-2, large flange chuck, 2-3, little flange detent mechanism, 2-3-1, coal powder lance sleeve pipe backstay, 2-3-2, little flange positioning plate assembly, 2-3-3, angle adjustment lever, 2-3-4, little flange locating ring support bar, 2-3-5, the T-shaped dog screw of bulb, 2-3-6, location-plate, 2-4, bulb positioning seat, 2-4-1, spacing plane, 2-4-2, abnormity lock-nut, 2-5, bulb positioning seat guiding mechanism, 2-5-1, screw nut driven assembly, 2-5-2, sliding seat, 2-5-3, operating grip, 2-5-4, bulb positioning seat support, 2-5-5, known element, 2-5-6, first T-shaped guide-track groove, 2-6, first supporting component, 2-7, second supporting component.
Detailed description of the invention
It should be noted that, when not conflicting, the feature in embodiment of the present utility model and embodiment can combine mutually.In addition, the nouns of locality such as the "front", "rear" mentioned in embodiment of the present utility model, consistent with the front and rear direction identified in accompanying drawing 2.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 2, Fig. 3, blast furnace air-supply belly pipe assembly welding frock 2 described in the utility model comprises base 2-1, large flange chuck 2-2, workpiece support mechanism, little flange detent mechanism 2-3, bulb positioning seat 2-4 and bulb positioning seat guiding mechanism 2-5; Described base 2-1 is fixing in the horizontal plane, at base 2-1 front end fixed installation large flange chuck 2-2, is equipped with bulb positioning seat guiding mechanism 2-5 at base 2-1 postmedian; Equipped bulb positioning seat 2-4 above described bulb positioning seat guiding mechanism 2-5; The hot-blast outlet 1-4 of described bulb positioning seat 2-4 and assembly welding workpiece matches; Described workpiece support mechanism comprises the second supporting component 2-7 of the first supporting component 2-6 and the fixing assembling that can realize front and back position adjustment, is also provided with height adjustment element in described first supporting component 2-6; Be equipped with base 2-1 bottom described little flange detent mechanism 2-3, the little flange 1-8 of top and assembly welding workpiece and coal powder lance sleeve pipe 1-9 is equipped with.
Referring to Fig. 2, Fig. 3, Fig. 5, Fig. 6, in blast furnace air-supply belly pipe assembly welding frock 2 described in the utility model, described bulb positioning seat guiding mechanism 2-5 comprises operating grip 2-5-3, screw nut driven assembly 2-5-1, sliding seat 2-5-2 and bulb positioning seat support 2-5-4; Described operating grip 2-5-3 is arranged on the rear end of leading screw in screw nut driven assembly 2-5-1; In described screw nut driven assembly 2-5-1, nut and sliding seat 2-5-2 fix and assemble, and in screw nut driven assembly 2-5-1, be provided with locking element 2-5-5, described locking element 2-5-5 is arranged on leading screw, is positioned at the inner side of operating grip 2-5-3; Bulb positioning seat support 2-5-4 is installed above described sliding seat 2-5-2, sliding seat 2-5-2 arranges the first T-shaped guide-track groove 2-5-6, at described first T-shaped guide-track groove 2-5-6 both sides identification length size scale; Bulb positioning seat support 2-5-4 assembles bulb positioning seat 2-4; Described bulb positioning seat 2-4 front end face is the spacing plane 2-4-1 mated with assembly welding workpiece hot-blast outlet, is equipped with special-shaped lock-nut 2-4-2 at bulb positioning seat rear end face.
Referring to Fig. 2, Fig. 3, Fig. 7, Fig. 8, in described blast furnace air-supply belly pipe assembly welding frock 2 described in the utility model, described little flange detent mechanism 2-3 is made up of coal powder lance sleeve pipe backstay 2-3-1, little flange positioning plate assembly 2-3-2, angle adjustment lever 2-3-3 and little flange locating ring support bar 2-3-4; Described little flange positioning plate assembly 2-3-2 upper end and coal powder lance sleeve pipe backstay 2-3-1 assemble, and lower end and angle adjustment lever 2-3-3 front end are equipped with; Described angle adjustment lever 2-3-3 rear end and little flange locating ring support bar 2-3-4 hinge mounted; Described little flange locating ring support bar 2-3-4 lower end is assembled by the first T-shaped guide-track groove 2-5-6 of sliding seat 2-5-2 in bulb T-shaped dog screw 2-3-5 and location-plate 2-3-6 and bulb positioning seat guiding mechanism 2-5, and described little flange locating ring support bar 2-3-4 upper end and coal powder lance sleeve pipe backstay 2-3-1 are equipped with; As preferred embodiment of the present utility model, described little flange detent mechanism 2-3 is arranged symmetrically in the both sides of base fore-and-aft direction central axis, be respectively used to the location to assembly welding workpiece two kinds of symmetrical clamping positions, concrete operation method is: the weld job completing a side weld after the little flange detent mechanism 2-3 first arranged by side is located coal powder lance bag, then clamping workpiece again, the little flange detent mechanism 2-3 arranged by opposite side is to the weld job completing opposite side weld seam behind coal powder lance bag location.
Referring to Fig. 2, Fig. 3, Fig. 4, in blast furnace air-supply belly pipe assembly welding frock 2 described in the utility model, described base 2-1 front portion is provided with the second T-shaped guide-track groove 2-1-1, described second T-shaped guide-track groove 2-1-1 is arranged the briquetting 2-1-2 coordinated with little flange detent mechanism 2-3, described briquetting 2-1-2 is equipped with by the T-shaped dog screw of bulb and the second T-shaped guide-track groove 2-1-1; The gathering sill 2-1-3 coordinated with sliding seat 2-5-2 and the second supporting component 2-7 in bulb positioning seat guiding mechanism 2-5 is provided with, at both sides, base 2-1 rear portion identification length size scale 2-1-4 at base 2-1 rear portion.
Referring to Fig. 9, blast furnace air-supply belly pipe assembly welding frock 2 described in the utility model, when to blast furnace air-supply belly pipe 1 assembly welding, first by the front and back position of bulb positioning seat guiding mechanism 2-5 adjusting ball head positioning seat 2-4, the spacing of the spacing plane 2-4-1 in bulb positioning seat 2-4 front end and the spacing plane of large flange chuck 2-2 and the blast furnace belly pipe 1 overall length L that blows is matched, utilizes special-shaped lock-nut 2-4-2 fastening bulb positioning seat 2-4 on bulb positioning seat 2-4; Workpiece large flange 1-1 is installed on large flange chuck 2-2, locking large flange chuck mechanism; To be placed in workpiece support mechanism after belly pipe body 1-2 and hot-blast outlet 1-4 clamping, again by bulb positioning seat guiding mechanism 2-5 adjusting ball head positioning seat 2-4 front and back position, make the spacing of the spacing plane 2-4-1 in bulb positioning seat front end and the spacing plane of large flange chuck equal blast furnace to blow belly pipe overall length L, utilize the locking element 2-5-5 locking bulb positioning seat guiding mechanism 2-5 of screw nut driven assembly 2-5-1 in bulb positioning seat guiding mechanism 2-5; By the dimensional requirement of bulb T-shaped dog screw 2-3-5 and location-plate 2-3-6 according to assembly welding workpiece drawing, be fixed in the first T-shaped guide-track groove 2-5-6 of bulb positioning seat guiding mechanism 2-5 sliding seat 2-5-2, then the position of little flange detent mechanism 2-3 is adjusted, after making assembly welding workpiece small flange plate face and belly pipe body central wheelbase h1, small flange plate face and large flange card distance h2 and coal powder lance angle [alpha] meet the designing requirement of drawing, by one group of briquetting 2-1-2 that base 2-1 is arranged, little flange detent mechanism 2-3 is fixed; The little flange 1-8 of assembly welding workpiece is fixed on little flange positioning plate assembly 2-3-2, then the coal powder lance sleeve pipe backstay 2-3-1 being set with coal powder lance sleeve pipe 1-9 is inserted in the centre bore of little flange 1-8 through little flange locating ring, so far complete clamping and the positioning operation of assembly welding workpiece.
Claims (10)
1. a blast furnace air-supply belly pipe assembly welding frock, it is characterized in that, described blast furnace air-supply belly pipe assembly welding frock (2) comprises base (2-1), large flange chuck (2-2), workpiece support mechanism, little flange detent mechanism (2-3), bulb positioning seat (2-4) and bulb positioning seat guiding mechanism (2-5); Described base (2-1) is fixing in the horizontal plane, in base (2-1) front end fixed installation large flange chuck (2-2), is equipped with bulb positioning seat guiding mechanism (2-5) at base (2-1) postmedian; Described bulb positioning seat guiding mechanism (2-5) is equipped bulb positioning seat (2-4) above; Described bulb positioning seat (2-4) matches with the hot-blast outlet (1-4) of assembly welding workpiece; Described workpiece support mechanism is arranged on base (2-1); Described little flange detent mechanism (2-3) bottom is equipped with base (2-1), and the little flange (1-8) of top and assembly welding workpiece and coal powder lance sleeve pipe (1-9) are equipped with.
2. blast furnace air-supply belly pipe assembly welding frock according to claim 1, it is characterized in that, described bulb positioning seat guiding mechanism (2-5) comprises operating grip (2-5-3), screw nut driven assembly (2-5-1), sliding seat (2-5-2) and bulb positioning seat support (2-5-4); Described operating grip (2-5-3) is arranged on the rear end of leading screw in screw nut driven assembly (2-5-1); In described screw nut driven assembly (2-5-1), nut and sliding seat (2-5-2) are fixed and are assembled; Described sliding seat (2-5-2) installs bulb positioning seat support (2-5-4) above; At bulb positioning seat support (2-5-4) upper assembling bulb positioning seat (2-4).
3. blast furnace air-supply belly pipe assembly welding frock according to claim 2, it is characterized in that, described screw nut driven assembly (2-5-1) is provided with locking element (2-5-5), described locking element (2-5-5) is arranged on leading screw, is positioned at the inner side of operating grip (2-5-3).
4. the blast furnace air-supply belly pipe assembly welding frock according to Claims 2 or 3, it is characterized in that, described sliding seat (2-5-2) is arranged the first T-shaped guide-track groove (2-5-6), at described first T-shaped guide-track groove (2-5-6) both sides identification length size scale.。
5. blast furnace air-supply belly pipe assembly welding frock according to claim 4, it is characterized in that, described bulb positioning seat (2-4) front end face is the spacing plane (2-4-1) of mating with assembly welding workpiece hot-blast outlet, is equipped with special-shaped lock-nut (2-4-2) at bulb positioning seat rear end face.
6. blast furnace air-supply belly pipe assembly welding frock according to claim 5, it is characterized in that, described little flange detent mechanism (2-3) is made up of coal powder lance sleeve pipe backstay (2-3-1), little flange positioning plate assembly (2-3-2), angle adjustment lever (2-3-3) and little flange locating ring support bar (2-3-4); Described little flange positioning plate assembly (2-3-2) upper end and coal powder lance sleeve pipe backstay (2-3-1) assemble, and lower end and angle adjustment lever (2-3-3) front end are equipped with; Described angle adjustment lever (2-3-3) rear end and little flange locating ring support bar (2-3-4) hinge mounted; Described little flange locating ring support bar (2-3-4) lower end is assembled with the first T-shaped guide-track groove (2-5-6) of sliding seat (2-5-2) in bulb positioning seat guiding mechanism (2-5) by the T-shaped dog screw of bulb (2-3-5) and location-plate (2-3-6), and described little flange locating ring support bar (2-3-4) upper end and coal powder lance sleeve pipe backstay (2-3-1) are equipped with.
7. blast furnace air-supply belly pipe assembly welding frock according to claim 6, it is characterized in that, described little flange detent mechanism (2-3) is arranged symmetrically in the both sides of base fore-and-aft direction central axis, is respectively used to the location to assembly welding workpiece two kinds of symmetrical clamping positions.
8. blast furnace air-supply belly pipe assembly welding frock according to claim 7, it is characterized in that, described workpiece support mechanism comprises second supporting component (2-7) of the first supporting component (2-6) and the fixing assembling that can realize front and back position adjustment, is also provided with height adjustment element in described first supporting component (2-6).
9. blast furnace air-supply belly pipe assembly welding frock according to claim 8, it is characterized in that, described base (2-1) front portion is provided with the second T-shaped guide-track groove (2-1-1), described second T-shaped guide-track groove (2-1-1) above arranges the briquetting (2-1-2) coordinated with little flange detent mechanism (2-3), and described briquetting (2-1-2) is equipped with by the T-shaped dog screw of bulb and the second T-shaped guide-track groove (2-1-1).
10. blast furnace air-supply belly pipe assembly welding frock according to claim 9, it is characterized in that, described base (2-1) rear portion is provided with the gathering sill (2-1-3) coordinated with sliding seat (2-5-2) in bulb positioning seat guiding mechanism (2-5) and the second supporting component (2-7), in base (2-1) both sides, rear portion identification length size scale (2-1-4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520162991.3U CN204565489U (en) | 2015-03-23 | 2015-03-23 | A kind of blast furnace air-supply belly pipe assembly welding frock |
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| CN201520162991.3U CN204565489U (en) | 2015-03-23 | 2015-03-23 | A kind of blast furnace air-supply belly pipe assembly welding frock |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772594A (en) * | 2015-03-23 | 2015-07-15 | 石家庄巨力科技有限公司 | Assembly welding process tool for air supply blow pipe of iron-smelting blast furnace |
| CN105436729A (en) * | 2015-12-25 | 2016-03-30 | 广东迪生电力钢构器材有限公司 | Welding machine for specially-shaped parts |
| CN114131524A (en) * | 2021-11-24 | 2022-03-04 | 河南航天液压气动技术有限公司 | Fixing tool, washing and drying tool and inspection tool for pipeline parts and processing method |
-
2015
- 2015-03-23 CN CN201520162991.3U patent/CN204565489U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772594A (en) * | 2015-03-23 | 2015-07-15 | 石家庄巨力科技有限公司 | Assembly welding process tool for air supply blow pipe of iron-smelting blast furnace |
| CN105436729A (en) * | 2015-12-25 | 2016-03-30 | 广东迪生电力钢构器材有限公司 | Welding machine for specially-shaped parts |
| CN114131524A (en) * | 2021-11-24 | 2022-03-04 | 河南航天液压气动技术有限公司 | Fixing tool, washing and drying tool and inspection tool for pipeline parts and processing method |
| CN114131524B (en) * | 2021-11-24 | 2024-02-09 | 河南航天液压气动技术有限公司 | Fixing tool, washing and drying tool, inspection tool and processing method for pipeline parts |
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Address after: 051530, Shijiazhuang, Hebei province Zhaoxian County new walled shop Patentee after: Shijiazhuang Juli Polytron Technologies Inc Address before: 051530, Shijiazhuang, Hebei province Zhaoxian County new walled shop Patentee before: Shijiazhuang Juli Technology Co.,Ltd. |