CN203345935U - Hoisting fixture of blast furnace shell - Google Patents
Hoisting fixture of blast furnace shell Download PDFInfo
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- CN203345935U CN203345935U CN 201320291631 CN201320291631U CN203345935U CN 203345935 U CN203345935 U CN 203345935U CN 201320291631 CN201320291631 CN 201320291631 CN 201320291631 U CN201320291631 U CN 201320291631U CN 203345935 U CN203345935 U CN 203345935U
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- Prior art keywords
- furnace shell
- hole
- lifting
- gripping member
- bearing pin
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Abstract
A hoisting fixture of a blast furnace shell comprises two clamp plates, a pin shaft I and a pin shaft II, wherein an upper through hole (a through hole I) and a lower through hole (a through hole II) are formed in each clamp plate; threads are formed at the two ends of the pin shafts; and the two clamp plates are mounted at the two ends of the two pin shafts by the upper through holes and the lower through holes respectively in a sleeving manner, and fixed by nuts. The hoisting fixture of the blast furnace shell is simple and practical in structure, is connected with the furnace shell without welding, is convenient to mount and dismount, improves the construction efficiency, saves the labor cost, avoids damaging an internal wall of the furnace shell as the welding is not required, ensures smooth implementation of subsequent procedures, is recyclable, can save the manpower and materials greatly, and lowers the construction cost.
Description
Technical field
The utility model relates to a kind of jig, particularly a kind of last furnace shell hoisting gripping member.
Background technology
It is an important content of factory's blast furnace capital construction work such as iron and steel that last furnace shell is installed, last furnace shell is generally made by steel plate, upper to the furnace roof shrouding, bottom is seated on blast furnace foundation, it is the cylinder of unequal section, it plays fixedly cooling intallation, guarantees that the blast furnace masonry firmly acts on, and also bears and transmit load and the High Temperature High Pressure on top.In work progress, the emphasis that blast furnace is installed is the installation of furnace shell.Because last furnace shell belongs to overlength, super wide member, and furnace shell exists the multiplex (MUX) to plant interspersed operation while installing, and difficulty of construction is large.At present, last furnace shell two kinds of segmentation combination Method for Installation and monolithic combination Method for Installations are installed, the former is generally used for heat size 3200m
3the installation of following various blast furnaces, the latter is generally used for heat size 3200m
3the installation of above large-scale and super-huge blast furnace.The furnace shell of large blast furnace, its thickness of slab and monolithic size are large, divide the ability that substantially exceeds existing elevator machinery with assembly set weight, can only carry out the monolithic lifting.In its hoisting process, require furnace shell not deform because of lifting, for this reason, generally all need to make special mould clamp during construction and carry out lifting furnace shells.
Traditional last furnace shell lifting adopts the method for welding lifting nose.Fig. 1 is the structural representation of lifting nose.As shown in Figure 1, before lifting, at first the lifting nose will be placed in to the inwall of furnace shell, the mode of then welding by partial penetrated will lift nose and be welded on the furnace shell inwall.After having welded, the lifting nose is fixedly connected with steel rope by snap ring, then by hanging device, lifting furnace shells is arrived to the installation position on blast furnace foundation top.To cut off in time the welding nose after installation one band, and with polishing lathe, that the polishing of furnace shell inwall is clean, in order to avoid affect the installation of cooling wall.And then weld next nose of the lifting with furnace shell, cut off again nose, polishing furnace shell inwall after having lifted, so repeatedly.
While adopting said method to carry out the last furnace shell lifting, every band furnace shell all will weld a plurality of lifting noses, and the welding job amount is very large, also higher to welder's welding technique requirement.And need after having lifted the lifting nose is cut off, and the furnace shell inwall is polished, work capacity is also very large.Easily the furnace shell inwall is caused to damage in the process of cutting off the lifting nose, affect subsequent technique.In addition, the lifting nose under cutting can not repeated usage, has caused a large amount of waste of material.
The utility model content
In order to solve in prior art, for the hoisting gripping member that lifts last furnace shell, install, dismantle complicated, the construction working amount is large, and easily the furnace shell inwall is caused the technical matters of damage, the purpose of this utility model is to provide a kind of last furnace shell hoisting gripping member, and this fixture structure is simple and practical, easy installation and removal, operating efficiency is high, and can not cause damage to furnace shell.The all right Reusability of this hoisting gripping member, saved great deal of steel.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of last furnace shell hoisting gripping member comprises: two clamps, be provided with upper and lower two through holes on every clamp, and be respectively through hole I and through hole II; Also comprise two bearing pins, be respectively bearing pin I and bearing pin II, the two ends of bearing pin are provided with screw thread; Described two clamps are set on two bearing pins by upper lower through-hole, and the two ends of bearing pin are provided with nut.
Preferably, be provided with backing plate between described nut and clamp.
Preferably, described bearing pin adopts No. 45 steel.
Useful technique effect of the present utility model is:
1. last furnace shell hoisting gripping member of the present utility model is simple and practical, does not need to be connected with furnace shell by welding, and Assembly &Disassembly is convenient, has improved operating efficiency, has saved cost of labor;
2. because this hoisting gripping member does not need welding, avoided, to the damage of furnace shell inwall, having guaranteed the smooth enforcement of subsequent handling;
3. this hoisting gripping member can be recycled, and has saved a large amount of manpowers and material, has reduced construction cost.
The accompanying drawing explanation
The structural representation that Fig. 1 is prior art lifting nose;
Fig. 2 is mounting structure schematic diagram of the present utility model;
The structural representation that Fig. 3 is the utility model clamp;
The structural representation that Fig. 4 is the utility model bearing pin.
Reference numeral
1. lift nose 3. clamp 31. hole I
32. hole II 41. bearing pin I 42. bearing pin II
43. screw thread 5. nut 6. furnace shells
7. lift steel rope 8. backing plates
The specific embodiment
Below in conjunction with accompanying drawing, preferred implementation of the present utility model is further elaborated:
Fig. 1 is in prior art, the structural representation of lifting nose 1.As shown in Figure 1, at present, when last furnace shell is installed, at first need lifting nose 1 is placed in the inwall of furnace shell 6, the mode of then welding by partial penetrated will lift nose 1 and be welded on the furnace shell inwall.According to lifting requirements, lifting nose 1 need to be a plurality of in the welding of furnace shell inwall, to guarantee that furnace shell is stressed even, indeformable in the process of lifting.After the lifting nose has welded, by snap ring, with the lifting steel rope, be fixedly connected with, then by hanging device, lifting furnace shells installed to the installation position on blast furnace foundation top.After installation one band furnace shell, need to cut off in time welding nose 1, and with polishing lathe, that the polishing of furnace shell inwall is clean, in order to avoid affect the installation of follow-up cooling wall.Next of then installing at needs with the inwall of furnace shell on welding lifting nose after the same method, lift several procedures such as rear same needs cut off nose, the furnace shell inwall of polishing, so repeatedly, until all furnace shell installations.
While adopting said method to carry out the last furnace shell lifting, every band furnace shell all will weld a plurality of lifting noses, and the welding job amount is very large, also higher to welder's welding technique requirement.And need after having lifted the lifting nose is cut off, and the furnace shell inwall is polished, work capacity is also very large.Easily the furnace shell inwall is caused to damage in the process of cutting off the lifting nose, affect subsequent technique.In addition, the lifting nose under cutting can not repeated usage, has caused a large amount of waste of material.
The mounting structure schematic diagram that Fig. 2 is the utility model last furnace shell hoisting gripping member, the structural representation that Fig. 3 is the utility model last furnace shell hoisting gripping member clamp; The structural representation that Fig. 4 is the utility model last furnace shell hoisting gripping member bearing pin.
As shown in Figure 2, the utility model last furnace shell hoisting gripping member comprises two clamps 3 and two bearing pins: bearing pin I41 and bearing pin II42.As shown in Figure 3, be provided with upper and lower two through holes on every clamp 3, be respectively through hole I31 and through hole II32; Distance between the size of clamp 3 and through hole I31 and through hole II32 should be determined according to the furnace shell size of reality lifting.
As shown in Figure 4, the two ends of two bearing pins are provided with screw thread 43; As shown in Figure 2, described two clamps 3 are set on two bearing pins by upper lower through-hole, in the end of two bearing pins, are provided with nut 5.In the present embodiment, preferably between nut 5 and clamp 3, backing plate 8 is set.
In the present embodiment, bearing pin preferably adopts No. 45 steel to make.
Last furnace shell hoisting gripping member of the present utility model can, according to the size of the on-the-spot furnace shell of lifting and the requirement of Hoisting Program, process the hoisting gripping member of a plurality of different models in order to using in advance.
Further introduce the use procedure of the utility model last furnace shell hoisting gripping member below in conjunction with accompanying drawing.
Substantially all be provided with perforate for cooling wall is installed or, for the perforate of throat armour is installed, last furnace shell hoisting gripping member of the present utility model is exactly to utilize these perforates to be lifted as the stress point of lifting due to every with last furnace shell.
As shown in Figure 2, when using last furnace shell hoisting gripping member of the present utility model to carry out the lifting furnace shells construction, at first need according on calculative determination furnace shell 6, lifting hole site, the layout of hole for hoist should guarantee that furnace shell 6 is stressed evenly, in the process of lifting, can distortion not occur because of unbalance stress.Then bearing pin II42 is passed to the hole for hoist on furnace shell 6, by two clamps 3, by through hole I31, be sleeved on the two ends of bearing pin II42, then be set with backing plate 8 in the two ends of bearing pin II42, the outside of clamp 3 respectively, at the two ends of bearing pin II42 mounting nuts 5 and tighten, thereby clamp 3 is fastened on the furnace shell wall.
Next by bearing pin I41 through the hole II32 of two clamps 3, and respectively at the two ends of bearing pin I41 suit backing plate 8, then fastening by nut 5, and will lift steel rope 7 and be fixed on bearing pin I41.Several suspension centres are all installed hoisting gripping member and lifting steel rope according to above-mentioned same method, carry out the preparation of lifting.Check errorless after, start hanging device, furnace shell 6 is lifted into to installation site.
After completing a lifting with furnace shell, unclamp nut 5 hoisting gripping member is disassembled from furnace shell, hoisting gripping member can reinstall on other furnace shells that need to lift according to the method described above, repeats above-mentioned steps, carries out next lifting with furnace shell.
The applicant utilizes above-mentioned last furnace shell hoisting gripping member in the construction of 2 * 1780 cubic meter last furnace shell liftings, has directly saved welding lifting nose δ 30 steel plate 10 ㎡, amounts to 2.35 tons of materials; Save welder and 50 work days of polishing work, obtained good economic benefit.
In sum, last furnace shell hoisting gripping member of the present utility model is simple and practical, does not need to be connected with furnace shell by welding, and Assembly &Disassembly is convenient, has improved operating efficiency, has saved cost of labor; Owing to not needing welding, avoided, to the damage of furnace shell inwall, having guaranteed the smooth enforcement of subsequent handling; And this hoisting gripping member can be recycled, can save a large amount of manpowers and material, reduced construction cost.
Finally explanation is; above embodiment is only unrestricted in order to the technical solution of the utility model to be described; although with reference to preferred embodiment, the utility model is had been described in detail; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model; and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim protection domain of the present utility model.
Claims (3)
1. a last furnace shell hoisting gripping member, is characterized in that, comprising:
Two clamps (3), be provided with upper and lower two through holes on every clamp (3), be respectively through hole I(31) and through hole II(32);
Two bearing pins, be respectively bearing pin I(41) and bearing pin II(42), the two ends of bearing pin are provided with screw thread (43); Described two clamps (3) are set on two bearing pins by upper lower through-hole, and the two ends of bearing pin are provided with nut (5).
2. last furnace shell hoisting gripping member according to claim 1, is characterized in that: between described nut (5) and clamp (3), be provided with backing plate (8).
3. last furnace shell hoisting gripping member according to claim 1 and 2, is characterized in that: No. 45 steel of described bearing pin employing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291631 CN203345935U (en) | 2013-05-24 | 2013-05-24 | Hoisting fixture of blast furnace shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291631 CN203345935U (en) | 2013-05-24 | 2013-05-24 | Hoisting fixture of blast furnace shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203345935U true CN203345935U (en) | 2013-12-18 |
Family
ID=49745859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320291631 Expired - Lifetime CN203345935U (en) | 2013-05-24 | 2013-05-24 | Hoisting fixture of blast furnace shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203345935U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964297A (en) * | 2014-05-19 | 2014-08-06 | 中国海洋石油总公司 | Flange hoisting device |
| CN109110638A (en) * | 2018-09-28 | 2019-01-01 | 中国冶集团有限公司 | Blast furnace overhaul lifting furnace shells tool |
-
2013
- 2013-05-24 CN CN 201320291631 patent/CN203345935U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964297A (en) * | 2014-05-19 | 2014-08-06 | 中国海洋石油总公司 | Flange hoisting device |
| CN109110638A (en) * | 2018-09-28 | 2019-01-01 | 中国冶集团有限公司 | Blast furnace overhaul lifting furnace shells tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
|
| CX01 | Expiry of patent term |