CN213835413U

CN213835413U - Tap hole assembly and converter

Info

Publication number: CN213835413U
Application number: CN202022227390.XU
Authority: CN
Inventors: 胡坤林; 龚奥特
Original assignee: Hubei Xietang Metal Industry Co ltd
Current assignee: Hubei Caijin Technology Industry Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-07-30
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a steel-tapping hole assembly and converter, including first steel pipe and second steel pipe, first steel pipe outside cover is equipped with first tubular brick, and second steel pipe outside cover is equipped with the second tubular brick, and first steel pipe is equipped with the go-between with the equal fixed cover of one end that the second steel pipe is close to each other, first tubular brick has been close to a side surface of second tubular brick and has been seted up the adjustment tank, and the inner circle of adjustment tank is fixed with the third bearing circumferentially, and the inner circle of third bearing is fixed with the connecting pipe, and the outer periphery of connecting pipe is fixed with outer ring gear, and the inner circle of outer ring gear is fixed with interior ring gear, and the inside left side of adjustment tank is fixed with a plurality of second bearings, and the inner circle of a plurality of second bearings all is fixed with first threaded rod, and all fixed cover is equipped with driven gear on the first threaded rod, and is a plurality of driven gear all meshes the transmission with interior ring gear. The utility model discloses be convenient for carry out aggregate erection to the steel pipe of converter, the dismouting of being convenient for is changed, has reduced the time of changing simultaneously, makes the tapping hole set up with the axle center, has guaranteed the result of use of tapping hole.

Description

Tap hole assembly and converter

Technical Field

The utility model relates to a steelmaking technical field especially relates to a steel tapping hole assembly and converter.

Background

In the converter steelmaking process, molten steel in the converter enters a steel ladle from a steel outlet assembly. In order to realize slag stopping, the converter sliding plate slag stopping technology is generally adopted, and particularly, a slag stopping sliding plate is arranged at an outlet of a steel tapping hole assembly. The steel tapping hole assembly comprises a steel tapping hole head brick, a steel tapping hole pipe brick, an inner nozzle brick and a fixed steel pipe frame, and the slag blocking sliding plate is connected with the inner nozzle brick.

The axis of the brick cup of the steel tapping hole is inconsistent with the axis of the steel tapping hole pipe due to the fact that the refractory material positioned falls off in the shaking process of the furnace body, molten steel flows obliquely in the steel tapping process of the converter, the molten steel is seriously eroded and washed on one side of the steel tapping hole, the service life of the steel tapping hole pipe is influenced, and the steel drilling accident potential of the steel tapping hole exists. At present, the tapping hole pipe is changed to the converter near the operation of furnace body, and the operation environment is abominable, and the operation space is narrow, tapping hole pipe centering, location operation difficulty, because the durable material of converter tapping hole is comparatively heavy, workman intensity of labour is great, and operating time is longer, how to solve the centering operation of converter tapping hole change in-process better to and shorten the change time and be the key problem of guaranteeing tapping hole result of use and improvement converter operation rate, for this, the utility model provides a tapping hole assembly solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a steel-tapping hole assembly is convenient for carry out the aggregate erection to the steel pipe of converter, and the dismouting of being convenient for is changed, has reduced the time of changing simultaneously, makes the steel-tapping hole set up with the axle center, has guaranteed the result of use of steel-tapping hole.

(II) technical scheme

The utility model provides a steel tapping hole assembly, which comprises a first steel pipe and a second steel pipe, wherein the outer side of the first steel pipe is sleeved with a first pipe brick, the outer side of the second steel pipe is sleeved with a second pipe brick, one end of the first steel pipe, which is close to the second steel pipe, is fixedly sleeved with a connecting ring, one side surface of the first pipe brick, which is close to the second pipe brick, is provided with an adjusting groove, the inner circumferential surface of the adjusting groove is fixedly provided with a third bearing, the inner ring of the third bearing is fixedly provided with a connecting pipe, the outer circumferential surface of the connecting pipe is fixedly provided with an outer toothed ring, the inner circumferential surface of the outer toothed ring is fixedly provided with an inner toothed ring, the inner left side of the adjusting groove is fixedly provided with a plurality of second bearings, the inner rings of the second bearings are fixedly provided with a first threaded rod, the first threaded rod is fixedly sleeved with a driven gear, the driven gear is in meshing transmission with the inner toothed ring, the first right end is in threaded connection with a limit nut, the mounting groove is formed in the surface, close to the first tubular brick, of one side of the second tubular brick, the connecting rings of the second steel pipe are located in the mounting groove, a plurality of first bearings are fixed to the right surface of the connecting ring on the second steel pipe, a plurality of second threaded rods are fixed to inner rings of the first bearings, and the second threaded rods penetrate through the two connecting rings and are connected with the corresponding first threaded rods.

Preferably, the front, back, upper and lower surfaces of the first pipe brick and the second pipe brick are fixed with connecting lugs, the connecting lugs on the surfaces of the first pipe brick and the second pipe brick are in one-to-one correspondence, and the corresponding connecting lugs are locked and fixed through bolts and nuts.

Preferably, a triangular groove is formed in one side, close to the second threaded rod, of the first threaded rod, a triangular prism is fixed to one side, close to the first threaded rod, of the second threaded rod, and the triangular prism is inserted into the triangular groove.

Preferably, the upper surface of the first pipe brick is provided with a through groove communicated with the adjusting groove, the upper surface of the first pipe brick is fixed with a pair of lug plates, a driving gear is rotatably connected between the pair of lug plates through a rotating shaft, and the lower half part of the driving gear penetrates through the through groove and is in meshing transmission with the outer gear ring.

Preferably, one end of the rotating shaft penetrates through the lug plate and is connected with the rocking wheel.

Preferably, the connecting ring has a plurality of mounting holes on one side surface thereof, the mounting holes on the surface of the connecting ring correspond to each other, and the second threaded rods respectively penetrate through the corresponding mounting holes and are connected with the first threaded rods.

A converter comprising a tap-hole assembly, the tap-hole assembly being as claimed in any one of claims 1-6.

Compared with the prior art, the beneficial effects of the utility model are that:

the driving gear rotates to drive the outer gear ring and the driven gear to rotate, so that the first threaded rod rotates, the limiting nut is screwed into the corresponding second threaded rod, the connecting ring is connected, the first tubular brick and the second tubular brick are locked through the bolt and the nut, and the time for dismounting and replacing is reduced.

Drawings

FIG. 1 is a front cross-sectional view of a tap hole assembly provided by the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a cross-sectional view of the first threaded rod and the second threaded rod of the tap hole assembly provided by the utility model after being connected.

In the figure: the bearing comprises a first bearing 1, a first pipe brick 2, a second pipe brick 3, a first steel pipe 4, a second steel pipe 5, a lug plate 6, a driving gear 7, an adjusting groove 8, a second bearing 9, a connecting pipe 10, a third bearing 11, an outer toothed ring 12, an inner toothed ring 13, a driven gear 14, a first threaded rod 15, a second threaded rod 16 and a limit nut 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in figures 1-3, the tapping hole assembly provided by the present invention comprises a first steel pipe 4 and a second steel pipe 5, wherein a first pipe brick 2 is sleeved outside the first steel pipe 4, a second pipe brick 3 is sleeved outside the second steel pipe 5, a connecting ring is fixedly sleeved at one end of the first steel pipe 4 close to the second steel pipe 5, an adjusting groove 8 is formed on one side surface of the first pipe brick 2 close to the second pipe brick 3, a third bearing 11 is fixed on the inner circumferential surface of the adjusting groove 8, a connecting pipe 10 is fixed on the inner ring of the third bearing 11, an outer toothed ring 12 is fixed on the outer circumferential surface of the connecting pipe 10, an inner toothed ring 13 is fixed on the inner circumferential surface of the outer toothed ring 12, a plurality of second bearings 9 are fixed on the left side of the inside of the adjusting groove 8, a first threaded rod 15 is fixed on the inner rings of the plurality of second bearings 9, a driven gear 14 is fixedly sleeved on the first threaded rod 15, and the plurality of driven gears 14 are engaged with the inner toothed ring 13 for transmission, the right end spiro union of first threaded rod 15 has stop nut 17, and the mounting groove has been seted up to one side surface that second tubular brick 3 is close to first tubular brick 2, and the go-between of second steel pipe 5 is located the mounting groove, and go-between right side fixed surface on the second steel pipe 5 has a plurality of first bearings 1, and the inner circle of a plurality of first bearings 1 all is fixed with second threaded rod 16, and a plurality of second threaded rods 16 all run through two go-throughs and are connected with corresponding first threaded rod 15.

In an alternative embodiment, the front, back, upper and lower surfaces of the first pipe brick 2 and the second pipe brick 3 are fixed with connecting projections, the connecting projections on the surfaces of the first pipe brick 2 and the second pipe brick 3 are in one-to-one correspondence, and the corresponding pair of connecting projections are locked and fixed by bolts and nuts.

In an alternative embodiment, a triangular groove is formed on one side of the first threaded rod 15 close to the second threaded rod 16, and a triangular prism is fixed on one side of the second threaded rod 16 close to the first threaded rod 15 and inserted into the triangular groove.

In an alternative embodiment, the upper surface of the first pipe brick 2 is provided with a through groove communicated with the adjusting groove 8, the upper surface of the first pipe brick 2 is fixed with a pair of ear plates 6, a driving gear 7 is rotatably connected between the pair of ear plates 6 through a rotating shaft, and the lower half part of the driving gear 7 penetrates through the through groove and is in meshing transmission with the outer gear ring 12.

In an alternative embodiment, one end of the shaft extends through the ear plate 6 and is connected to a rocking wheel.

In an alternative embodiment, a plurality of mounting holes are formed on the surfaces of the connecting rings, which are close to each other, and the mounting holes on the surfaces of the different connecting rings are in one-to-one correspondence, and a plurality of second threaded rods 16 respectively penetrate through the corresponding mounting holes and are connected with the first threaded rods 15.

A converter comprising a tap-hole assembly, the tap-hole assembly being as claimed in any one of claims 1 to 6.

The working principle is as follows: in the embodiment, two connecting rings are butted with each other, a second threaded rod 16 passes through corresponding mounting holes, a first threaded rod 15 of the second threaded rod corresponds to the second threaded rod 16, then the first tubular brick 2 and the second tubular brick 3 are fixed through bolts and nuts, then a driving gear 7 is rotated through a rocking wheel, so that the driving gear 7 drives an outer toothed ring 12 and a connecting pipe 10 to rotate, an inner toothed ring 13 is further rotated, a driven gear 14 is further rotated, the first threaded rod 15 is rotated under the action of a second bearing 9, and the first threaded rod 15 is linked with the second threaded rod 16 through a triangular prism, make second threaded rod 16 and first threaded rod 15 synchronous revolution, and then make stop nut 17 screw in second threaded rod 16 on, further make stop nut 17 fix the go-between, this novel can make a plurality of stop nut 17 lock the go-between in step, and then the dismouting of being convenient for.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A steel tapping hole assembly is characterized by comprising a first steel pipe (4) and a second steel pipe (5), wherein a first pipe brick (2) is sleeved on the outer side of the first steel pipe (4), a second pipe brick (3) is sleeved on the outer side of the second steel pipe (5), connecting rings are fixedly sleeved at one ends, close to each other, of the first steel pipe (4) and the second steel pipe (5), adjusting grooves (8) are formed in the surfaces, close to the second pipe brick (3), of the first pipe brick (2), third bearings (11) are fixed on the inner circumferential surfaces of the adjusting grooves (8), connecting pipes (10) are fixed on the inner rings of the third bearings (11), outer toothed rings (12) are fixed on the outer circumferential surfaces of the connecting pipes (10), inner toothed rings (13) are fixed on the inner circumferential surfaces of the outer toothed rings (12), a plurality of second bearings (9) are fixed on the left side of the inner portion of each adjusting groove (8), it is a plurality of the inner circle of second bearing (9) all is fixed with first threaded rod (15), and it is equipped with driven gear (14), a plurality of all to fix the cover on first threaded rod (15) driven gear (14) all with interior ring gear (13) meshing transmission, first threaded rod (15) right-hand member spiro union has stop nut (17), second tubular brick (3) are close to a side surface of first tubular brick (2) and have seted up the mounting groove, the go-between of second steel pipe (5) is located the mounting groove, go-between right side fixed surface on second steel pipe (5) has a plurality of first bearings (1), and is a plurality of the inner circle of first bearing (1) all is fixed with second threaded rod (16), and is a plurality of second threaded rod (16) all runs through two the go-between and with corresponding first threaded rod (15) are connected.

2. The tap hole assembly according to claim 1, wherein the first pipe brick (2) and the second pipe brick (3) are fixed with connecting projections at the front, rear, upper and lower surfaces thereof, the connecting projections on the surfaces of the first pipe brick (2) and the second pipe brick (3) are in one-to-one correspondence, and a corresponding pair of the connecting projections are locked and fixed by bolts and nuts.

3. The tap-hole assembly according to claim 1, characterized in that a triangular groove is provided on the side of said first threaded rod (15) close to said second threaded rod (16), and a triangular prism is fixed on the side of said second threaded rod (16) close to said first threaded rod (15), said triangular prism being inserted in said triangular groove.

4. The tap hole assembly according to claim 1, wherein the upper surface of the first pipe brick (2) is provided with a through groove communicated with the adjusting groove (8), a pair of lug plates (6) are fixed on the upper surface of the first pipe brick (2), a driving gear (7) is rotatably connected between the pair of lug plates (6) through a rotating shaft, and the lower half part of the driving gear (7) penetrates through the through groove and is in meshing transmission with the outer gear ring (12).

5. Tap-hole assembly according to claim 4, characterised in that one of the ends of said shaft extends through the lug (6) and is connected to a rocking wheel.

6. The tap-hole assembly according to claim 1, wherein a plurality of mounting holes are provided on the side surfaces of said connecting rings adjacent to each other, and the mounting holes on the surfaces of said connecting rings correspond to each other one by one, and a plurality of said second threaded rods (16) are respectively inserted through the corresponding mounting holes and connected to the first threaded rods (15).

7. A converter comprising a tap-hole assembly, characterized in that the tap-hole assembly is as claimed in any one of claims 1 to 6.