CN209797238U - Off-line combined hoisting jig frame for large and medium sleeves of blast furnace tuyere - Google Patents
Off-line combined hoisting jig frame for large and medium sleeves of blast furnace tuyere Download PDFInfo
- Publication number
- CN209797238U CN209797238U CN201821906579.8U CN201821906579U CN209797238U CN 209797238 U CN209797238 U CN 209797238U CN 201821906579 U CN201821906579 U CN 201821906579U CN 209797238 U CN209797238 U CN 209797238U
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- jig frame
- jig
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- blast furnace
- tuyere
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- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Blast Furnaces (AREA)
Abstract
A large and medium sleeve off-line combined hoisting jig frame for a blast furnace tuyere comprises an upper jig frame beam, a lower jig frame beam, a left jig frame column, a right jig frame column, a jig frame base, a lifting lug and four supporting beams, wherein the upper jig frame beam, the lower jig frame beam, the left jig frame column and the right jig frame column form a rectangular frame, the supporting beams are symmetrically welded on two sides of the left jig frame column and the right jig frame column in an inclined mode, and the jig frame base is welded at the bottoms of the left jig frame column and the right jig frame column; 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. The utility model discloses be fit for under the less circumstances of operation platform, carry out off-line combination hoist and mount and simple to operate to big well cover of blast furnace tuyere.
Description
Technical Field
the utility model belongs to the technical field of the construction, especially, relate to a big well cover off-line combination hoist and mount bed-jig of blast furnace tuyere.
Background
With the requirement of the existing blast furnace transformation, the off-line construction of some blast furnaces is further moved to a design position, and the blast furnace building is also completed off line, so that the large and medium sleeves of the blast furnace tuyere also need to be installed off line.
When the existing blast furnace tuyere large and medium sleeves are installed on line, the tuyere platform is installed, so that the operating space of personnel is large, and the installation can be carried out manually according to the lever principle. If the off-line installation is carried out, the method is adopted, and the operation platform is small, so that the manual installation according to the lever principle is difficult to realize.
Disclosure of Invention
The utility model aims at providing a cover off-line combination hoist and mount bed-jig in big or middle of blast-furnace tuyere, this bed-jig are fit for under the less condition of operation platform, carry out off-line combination hoist and mount and simple to operate to the cover in big or middle of blast-furnace tuyere.
As the conception, the technical proposal of the utility model is that: a large and medium sleeve off-line combined hoisting jig frame for a blast furnace tuyere comprises an upper jig frame beam, a lower jig frame beam, a left jig frame column, a right jig frame column, a jig frame base, a lifting lug and four supporting beams, wherein the upper jig frame beam, the lower jig frame beam, the left jig frame column and the right jig frame column form a rectangular frame, the supporting beams are symmetrically welded on two sides of the left jig frame column and the right jig frame column in an inclined mode, and the jig frame base is welded at the bottoms of the left jig frame column and the right jig frame column; 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.
The lifting lug is made of a 20MM thick steel plate.
The upper and lower beams of the jig frame, the left and right upright posts of the jig frame, the base of the jig frame and the supporting beams are made of H250-250 section steel.
The included angle between the supporting beam and the left and right upright posts of the mould is 70 degrees.
And positioning pins are fixedly arranged on the left stand column and the right stand column of the jig frame.
The utility model discloses a bed-jig right side supporting beam is fixed as balanced through the bolt with the big cover in wind gap, fix with a bed-jig left side supporting beam after the big well cover in wind gap equipment is integrative, carry out the crane hoist and mount with lug on crane wire rope and 3 tons of chain blocks and the bed-jig entablature and the lug connection of connecting on the big cover in left side wind gap, utilize 3 tons of chain blocks to carry out angular adjustment, then carry out bolt fastening with the big cover in wind gap and the big cover flange in wind gap, utilize 3 tons of chain blocks to carry out angular adjustment, on hoist and mount the big well cover combination in wind gap and the wind gap flange after targetting in place, down, a left side, the right side respectively with two sets of formal bolt fastening screw up, unpack the big well cover in wind gap combination in wind gap and the bed-jig left side fixing bolt down the.
Therefore, because the utility model discloses set up balancing unit, be fit for carrying out off-line combination hoist and mount and simple to operate to big well cover of blast furnace tuyere under the less condition of operation platform.
Drawings
fig. 1 is a schematic elevation view of the utility model;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of a vertical surface of a blast furnace tuyere after a large and a middle sleeve are assembled and installed off line.
In the figure: 1. the device comprises a jig frame, an upper beam, a lower beam, 2 jig frame left and right stand columns, 3 jig frame bases, 4 lifting lugs, 5 lifting lug fixing bolts, 6 supporting beams, 7 fixing bolts, 8 positioning pins, 9 fixing pieces, 10 fixing inclined irons, 11 tuyere large sleeves, 12 tuyere middle sleeves, 13 hoisting steel wire ropes, 14.3 ton chain blocks, 15 furnace shells and 16 tuyere flanges.
Detailed Description
As shown in the figure: a large and medium sleeve off-line combined hoisting jig frame for a blast furnace tuyere comprises an upper jig frame beam, a lower jig frame beam, a left jig frame column, a right jig frame column, a jig frame base, a lifting lug and four supporting beams, wherein the upper jig frame beam, the lower jig frame beam, the left jig frame column and the right jig frame column form a rectangular frame, the supporting beams are welded at two sides of the left jig frame column and the right jig frame column in a symmetrical inclined mode at an included angle of 70 degrees, and the bottom of the left jig frame column and the bottom of the right jig frame column are welded with the jig frame; lifting lugs are welded on the upper cross beam of the jig frame and deviate from the center by 250MM, and the lifting lugs are made of thick steel plates of 20 MM; the supporting beam on the upright column on the right side of the jig frame is fixedly connected with the tuyere large sleeve through five sets of fixing bolts, and the tuyere middle sleeve and the tuyere large sleeve are connected with a fixed wedge arranged on a fixed sheet through the fixed sheet.
The upper and lower beams of the jig frame, the left and right upright posts of the jig frame, the base of the jig frame and the supporting beams are made of H250-250 section steel.
The utility model discloses a work progress is:
1. A supporting beam on the left side of the jig frame and a tuyere large middle sleeve share five sets of fixing bolts with the tail part cut to leave the thickness of 7MM for fixing nuts to the center of the jig frame in the lateral direction, and the tuyere large sleeve is connected with a lifting lug through a lifting lug fixing bolt;
2. A crane steel wire rope and a 3-ton chain block are connected with a lifting lug on the upper beam of the jig frame and a lifting lug connected to the left air port large sleeve to carry out crane lifting, and the 3-ton chain block is used for carrying out angle adjustment;
3. After the tuyere large-middle sleeve combination is hoisted in place, the tuyere large-middle sleeve combination and the upper part, the lower part, the left part and the right part of a tuyere flange are respectively fixed and screwed by two sets of formal bolts, and the gaps between the contact surface of the tuyere large sleeve and the tuyere flange and the surface of the tuyere flange are uniform;
4. And (4) disassembling the air port large and medium sleeve combination and hanging the jig frame down by a fixing bolt on the left side of the jig frame, and completing and screwing the large sleeve and the air port flange bolt.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a big well cover off-line combination hoist and mount bed-jig of blast furnace tuyere which characterized in that: the jig comprises an upper jig frame cross beam, a lower jig frame cross beam, a left jig frame upright column, a right jig frame upright column, a jig frame base, a lifting lug and four supporting beams, wherein the upper jig frame cross beam, the lower jig frame cross beam, the left jig frame upright column and the right jig frame upright column form a rectangular frame, the supporting beams are symmetrically welded on two sides of the left jig frame upright column and the right jig frame upright column in an inclined mode, and the bottom of the left jig frame upright column and the bottom of the right jig; 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.
2. the blast furnace tuyere large and medium bushing off-line combined hoisting jig frame as claimed in claim 1, wherein: the lifting lug is made of a 20MM thick steel plate.
3. The blast furnace tuyere large and medium bushing off-line combined hoisting jig frame as claimed in claim 1, wherein: the upper and lower beams of the jig frame, the left and right upright posts of the jig frame, the base of the jig frame and the supporting beams are made of H250-250 section steel.
4. The blast furnace tuyere large and medium bushing off-line combined hoisting jig frame as claimed in claim 1, wherein: the included angle between the supporting beam and the left and right upright posts of the mould is 70 degrees.
5. The blast furnace tuyere large and medium bushing off-line combined hoisting jig frame as claimed in claim 1, wherein: and positioning pins are fixedly arranged on the left stand column and the right stand column of the jig frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821906579.8U CN209797238U (en) | 2018-11-19 | 2018-11-19 | Off-line combined hoisting jig frame for large and medium sleeves of blast furnace tuyere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821906579.8U CN209797238U (en) | 2018-11-19 | 2018-11-19 | Off-line combined hoisting jig frame for large and medium sleeves of blast furnace tuyere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209797238U true CN209797238U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821906579.8U Active CN209797238U (en) | 2018-11-19 | 2018-11-19 | Off-line combined hoisting jig frame for large and medium sleeves of blast furnace tuyere |
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|---|---|
| CN (1) | CN209797238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139695A (en) * | 2020-09-24 | 2020-12-29 | 中国二十二冶集团有限公司 | Method for replacing middle section of blast furnace shell |
| CN112575133A (en) * | 2020-11-30 | 2021-03-30 | 上海宝冶冶金工程有限公司 | Method for mounting jig frame of furnace body |
-
2018
- 2018-11-19 CN CN201821906579.8U patent/CN209797238U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139695A (en) * | 2020-09-24 | 2020-12-29 | 中国二十二冶集团有限公司 | Method for replacing middle section of blast furnace shell |
| CN112575133A (en) * | 2020-11-30 | 2021-03-30 | 上海宝冶冶金工程有限公司 | Method for mounting jig frame of furnace body |
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