CN216945810U - Blast furnace tuyere small sleeve hoisting device - Google Patents

Blast furnace tuyere small sleeve hoisting device Download PDF

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Publication number
CN216945810U
CN216945810U CN202220586225.XU CN202220586225U CN216945810U CN 216945810 U CN216945810 U CN 216945810U CN 202220586225 U CN202220586225 U CN 202220586225U CN 216945810 U CN216945810 U CN 216945810U
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China
Prior art keywords
small sleeve
tuyere small
blast furnace
hoisting device
horizontal pole
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CN202220586225.XU
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Chinese (zh)
Inventor
王雪原
孙国栋
孙明伟
何艳启
魏翠莉
赵明海
赵国民
刘国民
王超
马伟国
郭福才
苏臣
李亮军
付强
高永�
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Hainan Longxiangyuan Technology Co ltd
Chengde Jianlong Special Steel Co Ltd
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Hainan Longxiangyuan Technology Co ltd
Chengde Jianlong Special Steel Co Ltd
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Priority to CN202220586225.XU priority Critical patent/CN216945810U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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Abstract

The utility model provides a blast furnace tuyere small sleeve hoisting device which comprises a base and a limiting assembly, wherein the limiting assembly comprises a first cross rod, an upright rod and a second cross rod, the first cross rod, the upright rod and the second cross rod are sequentially connected to form an accommodating groove with an open structure, the length of the first cross rod is smaller than that of the second cross rod, the second cross rod is horizontally arranged, one end, far away from the upright rod, of the second cross rod is provided with a limiting stop block, the tuyere small sleeve is arranged on the surface of the base, the second cross rod extends into the tuyere small sleeve, and the limiting stop block limits the tuyere small sleeve. The utility model can prevent the tuyere small sleeve from falling off in the hoisting process, can rapidly transport and install and improve the working efficiency.

Description

Blast furnace tuyere small sleeve hoisting device
Technical Field
The utility model belongs to the technical field of iron-making blast furnaces, relates to a blast furnace tuyere small sleeve, and particularly relates to a hoisting device for the blast furnace tuyere small sleeve.
Background
The blast furnace tuyere small sleeve is a key process part for ensuring the normal production of blast furnace ironmaking, generally presents a circular truncated cone shape, the center is a through hole, a flange is arranged in the middle of the small end, and the small end of the tuyere small sleeve needs to be upwards and vertically placed in the positive direction in the using process. When the tuyere small sleeve is hoisted or carried, a steel wire rope is usually used to penetrate through a through hole in the center of the tuyere small sleeve, then the tuyere small sleeve is hoisted and fixed by using a rope buckle, and then the tuyere small sleeve is hoisted by using a crown block or an electric hoist. However, the transportation mode has the defects of infirm hooking, easy shaking, falling danger, slow hoisting, low working efficiency and incapability of directly hoisting the central point of the small sleeve, so that more and more researches are devoted to improving the hoisting device of the tuyere small sleeve, the falling problem is avoided, and the working efficiency is improved.
CN206767448U discloses a tuyere sleeve lifting device, includes: the connecting device is used for connecting the lifting device; two auxiliary arms hinged with the connecting device; the upper parts of the main arms are hinged with the auxiliary arm; the balance part is hinged with the bending parts of the two main arms; and a hooking part connected to a lower part of the main arm.
CN209797238U discloses an off-line combined hoisting jig frame for a blast furnace tuyere large-middle sleeve, which comprises an upper beam, a lower beam, a left stand column, a right stand column, a jig frame base, a lifting lug and four supporting beams, wherein the upper beam, the lower beam, the left stand column and the right stand column of the jig frame form a rectangular frame, the supporting beams are symmetrically welded on two sides of the left stand column and the right stand column of the jig frame in an inclined manner, and the bottom parts of the left stand column and the right stand column of the jig frame are welded with a jig base; a lifting lug is welded on the upper cross beam of the jig frame; and the supporting beam on the upright column on the right side of the jig frame is fixedly connected with the tuyere large sleeve, and the tuyere middle sleeve is connected with the tuyere large sleeve.
CN205590737U discloses a blast furnace tuyere body dismouting conveyor, including ram, lance, conveyor, atress device and support frame, on the lance was located to the ram cover, both sliding fit, the support frame was fixed on conveyor, the support frame with the lance support cooperation, the lance front end set up the couple, the lance back end set up the atress device, the ram be located between couple and the atress device.
Because the blast furnace tuyere small sleeve is slowly hoisted and is easy to deviate, the tuyere small sleeve is inclined or drops, and the parallel hoisting can be realized only by aligning the central point of the tuyere small sleeve, so that a hoisting device is needed to be designed, a mounting tool can be quickly installed, and the parallel hoisting of the tuyere small sleeve is guaranteed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a blast furnace tuyere small sleeve hoisting device which can prevent the tuyere small sleeve from falling off in the hoisting process, can be quickly transported and installed and can improve the working efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a blast furnace tuyere small sleeve hoisting device which comprises a base and a limiting assembly, wherein the limiting assembly comprises a first cross rod, an upright rod and a second cross rod, the first cross rod, the upright rod and the second cross rod are sequentially connected to form an accommodating groove with an open structure, the length of the first cross rod is smaller than that of the second cross rod, the second cross rod is horizontally arranged, one end, far away from the upright rod, of the second cross rod is provided with a limiting stop block, the tuyere small sleeve is arranged on the surface of the base, the second cross rod extends into the tuyere small sleeve, and the limiting stop block limits the tuyere small sleeve.
The blast furnace tuyere small sleeve hoisting device provided by the utility model can prevent the tuyere small sleeve from falling off in the hoisting process, and the hoisting point is at the parallel point position of the tuyere small sleeve, so that the blast furnace tuyere small sleeve hoisting device can be rapidly transported and installed, can ensure that the tuyere small sleeve can be hoisted in parallel, and can improve the working efficiency.
As a preferable technical solution of the present invention, a lifting lug is disposed on a surface of the first cross bar on a side away from the second cross bar.
It should be noted that the electric hoist is usually used for transportation in the process of hoisting the tuyere small sleeve of the blast furnace, and the lifting lug of the utility model is used for realizing the hooking with the electric hoist.
As a preferred technical scheme, the height of the limit stop is smaller than that of the upright rod.
As a preferable technical scheme of the utility model, the length of the second cross rod is greater than that of the tuyere small sleeve.
The blast furnace tuyere small sleeve is generally of a circular truncated cone structure, a through channel is formed in the blast furnace tuyere small sleeve, the diameter of the upper bottom surface is 150-180 mm, the diameter of the lower bottom surface is 400-450 mm, the minimum diameter of the internal channel is 100-120 mm, and the maximum diameter of the internal channel is 150-180 mm.
In a preferred embodiment of the present invention, the height of the limit stopper is 90 to 110mm, for example, 90mm, 95mm, 100mm, 105mm or 110mm, but the height is not limited to the above-mentioned values, and other values not shown in the above-mentioned range are also applicable.
The height of the upright is 280-320 mm, for example 280mm, 285mm, 290mm, 295mm, 300mm, 310mm, 315mm or 320mm, but is not limited to the values listed, and other values not listed in the range of values are also applicable.
In a preferred embodiment of the present invention, the first cross bar has a length of 160 to 180mm, for example, 160mm, 165mm, 170mm, 175mm or 180mm, but the length is not limited to the above-mentioned values, and other values not shown in the above-mentioned range are also applicable.
The length of the second cross bar is 730-760 mm, for example 730mm, 735mm, 740mm, 745mm, 750mm, 755mm or 760mm, but the values are not limited to the values listed, and other values not listed in the range of values are also applicable.
In a preferred embodiment of the present invention, the thickness of the first rail, the upright and the second rail is independently 14 to 16mm, for example, 14mm, 14.5mm, 15mm, 15.5mm or 16mm, but the utility model is not limited to the above-mentioned values, and other values not shown in the above-mentioned range are also applicable.
As a preferable technical scheme of the utility model, the base comprises a supporting platform, a limiting seat is arranged on the surface of the supporting platform, the cross section of the limiting seat is of a U-shaped groove structure, and the tuyere small sleeve is arranged in the limiting seat for limiting.
As a preferred technical scheme of the utility model, the limiting seat comprises a positioning pin, the surface of the limiting seat is provided with a locking hole, and the positioning pin is inserted into the locking hole and abuts against the outer wall of the tuyere small sleeve for positioning.
As a preferable technical scheme of the utility model, at least two universal wheels are arranged on one side of the supporting platform away from the limiting seat.
The recitation of numerical ranges herein includes not only the above-recited numerical values, but also any numerical values between non-recited numerical ranges, and is not intended to be exhaustive or to limit the utility model to the precise numerical values encompassed within the range for brevity and clarity.
Compared with the prior art, the utility model has the beneficial effects that:
the blast furnace tuyere small sleeve hoisting device provided by the utility model can prevent the tuyere small sleeve from falling off in the hoisting process, and the hoisting point is at the parallel point position of the tuyere small sleeve, so that the tuyere small sleeve can be rapidly transported and installed, the parallel hoisting of the tuyere small sleeve can be ensured, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a blast furnace tuyere small sleeve hoisting device provided by an embodiment of the utility model.
Wherein, 1-a first cross bar; 2-a second cross bar; 3-erecting a rod; 4-limit stop block; 5-tuyere small sleeve; 6-lifting lugs; 7-a limiting seat; 8-supporting the platform; 9-a positioning pin; 10-universal wheel.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
In a specific embodiment, the utility model provides a blast furnace tuyere small sleeve hoisting device, as shown in fig. 1, which comprises a base and a limiting assembly, wherein the limiting assembly comprises a first cross rod 1, an upright rod 3 and a second cross rod 2, the first cross rod 1, the upright rod 3 and the second cross rod 2 are sequentially connected to form an open-type accommodating tank, the length of the first cross rod 1 is smaller than that of the second cross rod 2, the second cross rod 2 is horizontally arranged, a limiting stop block 4 is arranged at one end, away from the upright rod 3, of the second cross rod 2, the tuyere small sleeve 5 is placed on the surface of the base, the second cross rod 2 extends into the tuyere small sleeve 5, and the limiting stop block 4 limits the tuyere small sleeve 5.
Further, a lifting lug 6 is arranged on the surface of one side of the first cross rod 1, which is far away from the second cross rod 2. The electric hoist is generally used for transportation in the hoisting process of the blast furnace tuyere small sleeve 5, and the lug is used for realizing the hooking with the electric hoist.
Further, the height of the limit stop 4 is smaller than that of the upright rod 3.
Further, the length of the second cross bar 2 is greater than that of the tuyere small sleeve 5. The blast furnace tuyere small sleeve 5 is generally of a circular truncated cone structure, a through channel is formed in the blast furnace tuyere small sleeve, the diameter of the upper bottom surface is 150-180 mm, the diameter of the lower bottom surface is 400-450 mm, the minimum diameter of the internal channel is 100-120 mm, the maximum diameter of the internal channel is 150-180 mm, the height of the limit stop 4 is smaller than the minimum diameter of the internal channel, the length of the tuyere small sleeve 5 is the height of the circular truncated cone structure, the second cross rod 2 extends into the channel in the tuyere small sleeve 5, and the limit stop 4 is arranged to prevent the tuyere small sleeve 5 from falling off.
Further, the height of limit stop 4 is 90 ~ 110mm, the height of pole setting 3 is 280 ~ 320 mm.
Further, the length of the first cross bar 1 is 160-180 mm, and the length of the second cross bar 2 is 730-760 mm.
Further, the thicknesses of the first cross rod 1, the upright rod 3 and the second cross rod 2 are independently 14-16 mm.
Further, the base include supporting platform 8, supporting platform 8's surface is equipped with spacing seat 7, spacing seat 7's cross section is "U" type groove structure, arranges tuyere small sleeve 5 in spacing seat 7 and carries out spacingly.
Further, spacing seat 7 include locating pin 9, the locking hole has been seted up on the surface of spacing seat 7, locating pin 9 insert in the locking hole to support and fix a position the outer wall of tuyere small jacket 5.
Further, one side of the supporting platform 8, which is far away from the limiting seat 7, is provided with at least two universal wheels 10.
Example 1
This embodiment provides a blast furnace tuyere small sleeve hoist device, including base and spacing subassembly, spacing subassembly includes first horizontal pole 1, pole setting 3 and second horizontal pole 2, first horizontal pole 1, pole setting 3 connects gradually the holding tank that forms uncovered formula structure with second horizontal pole 2, 2 levels of second horizontal pole set up, the one end that pole setting 3 was kept away from to second horizontal pole 2 is provided with limit stop 4, the length of first horizontal pole 1 is 170mm, the length of second horizontal pole 2 is 750mm, the height of pole setting 3 is 300mm, limit stop 4 highly is 100mm, first horizontal pole 1, pole setting 3 is 16 mm's iron plate with second horizontal pole 2 thickness. The surface of one side of the first cross rod 1, which is far away from the second cross rod 2, is provided with a lifting lug 6, an electric hoist is generally used for transportation in the hoisting process of the blast furnace tuyere small sleeve 5, and the lifting lug 6 is hung with the electric hoist.
The base includes supporting platform 8, and supporting platform 8's surface is equipped with spacing seat 7, and the cross section of spacing seat 7 is "U" type groove structure, arranges tuyere small sleeve 5 in spacing seat 7 and carries on spacingly. The limiting seat 7 comprises a positioning pin 9, a locking hole is formed in the surface of the limiting seat 7, the positioning pin 9 is inserted into the locking hole, and the limiting seat abuts against the outer wall of the tuyere small sleeve 5 to be positioned. And four universal wheels 10 are arranged on one side of the supporting platform 8 far away from the limiting seat 7.
The tuyere small sleeve 5 is of a circular truncated cone structure, a through channel is formed inside the tuyere small sleeve, the diameter of the upper bottom surface is 170mm, the diameter of the lower bottom surface is 410mm, the minimum diameter of the inner channel is 115mm, the maximum diameter of the inner channel is 170mm, the tuyere small sleeve 5 is arranged on the surface of the base, the second cross rod 2 extends into the tuyere small sleeve 5, and the limit stop 4 limits the tuyere small sleeve 5 and prevents the tuyere small sleeve from falling off.
Example 2
This embodiment provides a blast furnace tuyere small sleeve hoist device, including base and spacing subassembly, spacing subassembly includes first horizontal pole 1, pole setting 3 and second horizontal pole 2, first horizontal pole 1, pole setting 3 connects gradually the holding tank that forms uncovered formula structure with second horizontal pole 2, 2 levels of second horizontal pole set up, the one end that pole setting 3 was kept away from to second horizontal pole 2 is provided with limit stop 4, the length of first horizontal pole 1 is 180mm, the length of second horizontal pole 2 is 760mm, the height of pole setting 3 is 320mm, limit stop 4 highly is 110mm, first horizontal pole 1, pole setting 3 is the iron plate that thickness is 15mm with second horizontal pole 2. The surface of one side of the first cross rod 1, which is far away from the second cross rod 2, is provided with a lifting lug 6, an electric hoist is generally used for transportation in the hoisting process of the blast furnace tuyere small sleeve 5, and the lifting lug 6 is hung with the electric hoist.
The base includes supporting platform 8, and supporting platform 8's surface is equipped with spacing seat 7, and the cross section of spacing seat 7 is "U" type groove structure, arranges tuyere small sleeve 5 in spacing seat 7 and carries on spacingly. The limiting seat 7 comprises a positioning pin 9, a locking hole is formed in the surface of the limiting seat 7, the positioning pin 9 is inserted into the locking hole, and the limiting seat abuts against the outer wall of the tuyere small sleeve 5 to be positioned. And four universal wheels 10 are arranged on one side of the supporting platform 8 far away from the limiting seat 7.
The tuyere small sleeve 5 is of a circular truncated cone structure, a through channel is formed inside the tuyere small sleeve, the diameter of the upper bottom surface is 180mm, the diameter of the lower bottom surface is 450mm, the minimum diameter of the inner channel is 120mm, the maximum diameter of the inner channel is 180mm, the tuyere small sleeve 5 is arranged on the surface of the base, the second cross rod 2 extends into the tuyere small sleeve 5, and the limit stop 4 limits the tuyere small sleeve 5 and prevents the tuyere small sleeve from falling off.
The blast furnace tuyere small sleeve hoisting device provided by the utility model can prevent the tuyere small sleeve 5 from falling off in the hoisting process, and the hoisting point is at the parallel point position of the tuyere small sleeve 5, so that the blast furnace tuyere small sleeve hoisting device can be rapidly transported and installed, can ensure that the tuyere small sleeve 5 can be hoisted in parallel, and can improve the working efficiency.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.

Claims (10)

1. The utility model provides a blast furnace tuyere small sleeve hoist device, a serial communication port, blast furnace tuyere small sleeve hoist device include base and spacing subassembly, spacing subassembly include first horizontal pole, pole setting and second horizontal pole, first horizontal pole, pole setting and second horizontal pole connect gradually the holding tank that forms uncovered formula structure, the length of first horizontal pole is less than the length of second horizontal pole, second horizontal pole level set up, the one end that the pole setting was kept away from to the second horizontal pole is provided with limit stop, arranges tuyere small sleeve in the surface of base, the second horizontal pole stretch into tuyere small sleeve in, limit stop carries on spacingly to tuyere small sleeve.
2. The blast furnace tuyere small sleeve hoisting device of claim 1, wherein a lifting lug is arranged on the surface of one side of the first cross bar, which is far away from the second cross bar.
3. The blast furnace tuyere small sleeve hoisting device of claim 1, wherein the height of the limit stop is smaller than the height of the vertical rod.
4. The blast furnace tuyere small sleeve hoisting device of claim 1, wherein the length of the second cross bar is greater than the length of the tuyere small sleeve.
5. The blast furnace tuyere small sleeve hoisting device of claim 1, wherein the height of the limit stop is 90-110 mm, and the height of the vertical rod is 280-320 mm.
6. The blast furnace tuyere small sleeve hoisting device of claim 1, wherein the length of the first cross bar is 160-180 mm, and the length of the second cross bar is 730-760 mm.
7. The blast furnace tuyere small sleeve hoisting device of claim 1, wherein the thicknesses of the first cross bar, the vertical bar and the second cross bar are independently 14-16 mm.
8. The blast furnace tuyere small sleeve hoisting device according to claim 1, wherein the base comprises a supporting platform, a limiting seat is arranged on the surface of the supporting platform, the cross section of the limiting seat is of a U-shaped groove structure, and the tuyere small sleeve is placed in the limiting seat for limiting.
9. The blast furnace tuyere small sleeve hoisting device of claim 8, wherein the limiting seat comprises a positioning pin, the surface of the limiting seat is provided with a locking hole, and the positioning pin is inserted into the locking hole and abuts against the outer wall of the tuyere small sleeve for positioning.
10. The blast furnace tuyere small sleeve hoisting device of claim 8, wherein at least two universal wheels are arranged on one side of the supporting platform away from the limiting seat.
CN202220586225.XU 2022-03-17 2022-03-17 Blast furnace tuyere small sleeve hoisting device Active CN216945810U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115231428A (en) * 2022-07-21 2022-10-25 中国十九冶集团有限公司 Blast furnace tuyere sleeve installation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115231428A (en) * 2022-07-21 2022-10-25 中国十九冶集团有限公司 Blast furnace tuyere sleeve installation method

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