CN104772594A - Assembly welding process tool for air supply blow pipe of iron-smelting blast furnace - Google Patents
Assembly welding process tool for air supply blow pipe of iron-smelting blast furnace Download PDFInfo
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- CN104772594A CN104772594A CN201510125021.0A CN201510125021A CN104772594A CN 104772594 A CN104772594 A CN 104772594A CN 201510125021 A CN201510125021 A CN 201510125021A CN 104772594 A CN104772594 A CN 104772594A
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000003723 Smelting Methods 0.000 title abstract description 7
- 239000003245 coal Substances 0.000 claims abstract description 38
- 210000001015 abdomen Anatomy 0.000 claims description 59
- 239000000843 powder Substances 0.000 claims description 37
- 238000009434 installation Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses an assembly welding process tool for an air supply blow pipe of an iron-smelting blast furnace, and belongs to the technical field of iron and steel smelting. The assembly welding process tool for the air supply blow pipe of the iron-smelting blast furnace comprises a base, a large flange chuck, a workpiece support mechanism, a small flange positioning mechanism, a bulb positioning seat and a bulb positioning seat adjusting mechanism, wherein the base is fixed on a horizontal plane; the large flange chuck is fixedly arranged at the front end of the base; the bulb positioning seat adjusting mechanism is assembled on the middle back part of the base; the bulb positioning seat is assembled on the upper surface of the bulb positioning seat adjusting mechanism; the bulb positioning seat is matched with the hot air outlet of an assembly welding workpiece; the workpiece support mechanism is arranged on the base; the bottom of the small flange positioning mechanism is assembled together with the base; the upper part of the small flange positioning mechanism is assembled together with a small flange of the assembly welding workpiece and a coal spray gun sleeve. The requirement of a blast furnace iron-smelting process on the position of a high-temperature combustion point R is met; the service life of the air supply blow pipe of the iron-smelting blast furnace is prolonged; the working efficiency of welding operation is increased, and the consistence of products is ensured.
Description
Technical field
The present invention relates to a kind of metallic article assembly welding technique frock, especially a kind of process for assembling and 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).
Summary of the invention
The object of the invention is to the assembly welding problem for blast furnace air-supply belly pipe, provide a kind of universal performance good, both can improve the operating efficiency that is welded, the blast furnace air-supply belly pipe process for assembling and welding frock of homogeneity of product requirement can be met again.
The object of the invention is to be achieved through the following technical solutions:
A kind of blast furnace air-supply belly pipe process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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, 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 process for assembling and 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 process for assembling and welding frock of the present invention 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 embodiments of the invention and embodiment can combine mutually.In addition, the nouns of locality such as "front", "rear" mentioned in an embodiment of the present invention, consistent with the front and rear direction identified in accompanying drawing 2.
Below in conjunction with accompanying drawing, the invention will be further described.
Referring to Fig. 2, Fig. 3, blast furnace air-supply belly pipe process for assembling and welding frock 2 of the present invention 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 process for assembling and welding frock 2 of the present invention, 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 process for assembling and welding frock 2 of the present invention, 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 the preferred embodiments of the present invention, 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 process for assembling and welding frock 2 of the present invention, 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 process for assembling and welding frock 2 of the present invention, 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 process for assembling and welding frock, it is characterized in that, described blast furnace air-supply belly pipe process for assembling and 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 process for assembling and 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 process for assembling and 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), and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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 process for assembling and 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125021.0A CN104772594B (en) | 2015-03-23 | 2015-03-23 | Assembly welding process tool for air supply blow pipe of iron-smelting blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125021.0A CN104772594B (en) | 2015-03-23 | 2015-03-23 | Assembly welding process tool for air supply blow pipe of iron-smelting blast furnace |
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| CN104772594A true CN104772594A (en) | 2015-07-15 |
| CN104772594B CN104772594B (en) | 2017-01-11 |
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| CN107881273A (en) * | 2017-12-16 | 2018-04-06 | 唐山金山腾宇科技有限公司 | Automatic group of blast furnace air-supply arrangement belly pipe is to equipment |
| CN107971679A (en) * | 2017-12-16 | 2018-05-01 | 唐山金山腾宇科技有限公司 | The tensioner pressing plate pairing device of blast furnace air-supply elbow belly pipe |
| CN108890263A (en) * | 2018-08-22 | 2018-11-27 | 江苏众信绿色管业科技有限公司 | A kind of assembling equipment of steel lining multiple tube |
| CN110628991A (en) * | 2019-09-18 | 2019-12-31 | 中国第一汽车股份有限公司 | Auxiliary device for flexible manufacturing and assembly welding of commercial vehicle half-shaft inductor |
| CN111390472A (en) * | 2020-04-17 | 2020-07-10 | 南京星乔威泰克汽车零部件有限公司 | Clamping and positioning device for parts with embedded two ends |
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