CN101927957B - Method for hoisting flue bent pipe of coke oven - Google Patents
Method for hoisting flue bent pipe of coke oven Download PDFInfo
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- CN101927957B CN101927957B CN2010102623691A CN201010262369A CN101927957B CN 101927957 B CN101927957 B CN 101927957B CN 2010102623691 A CN2010102623691 A CN 2010102623691A CN 201010262369 A CN201010262369 A CN 201010262369A CN 101927957 B CN101927957 B CN 101927957B
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- hoisting
- bend pipe
- lifting
- coke oven
- fixed support
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Abstract
The invention relates to a method for hoisting a flue bent pipe of a coke oven. The method comprises the following steps of: before hoisting the flue bent pipe of the coke oven, arranging two hoisting points on the top of the bent pipe and requesting the hoisting points to be symmetrically arranged on the same central axis of round mouths on the upper and lower parts of the bent pipe; fixing a manual hoisting tool for hoisting and traction at the hoisting point close to the gravity center direction of the bent pipe; realizing regulation of gravity center of the hoisting point of the bent pipe by tightening or loosening the single manual hoisting tool when carrying out positioning, installation and regulation so as to make the upper part of the bent pipe level; and then hoisting the bent pipe by using hoisting equipment. The method well solves the problem of low working efficiency in the process of installing the flue bent pipe of the coke oven and is suitable for installation work of various types of conventional flue bent pipes of the coke oven.
Description
Technical field
The present invention relates to the lifting field, particularly relate to a kind of method of hoisting flue bent pipe of coke oven.
Background technology
The coke oven for iron flue bent pipe is the indispensable equipment of each Formed Coke Furnace, and the coke oven flue elbow of different model basically all is the cast iron bend pipe that the top is provided with sealing flange and heavy socket except that caliber size is different.Because equipment single-piece weight is about 300-450kg, out-of-shape does not have suitable lifting point, and the cluster lifting fixing means of taking is more loaded down with trivial details again.The purpose that reaches adjustment installation and control face necessarily requires the flange surface maintenance level suitable for reading of this bend pipe in the equipment installation process, for need be adjusted through the method that changes the suspension centre center of gravity when lifting.It is more that this equipment is installed quantity in the coke oven design, and we are seeking always in the installation, use which kind of method and accessory appliances can improve the purpose that erection work efficient reaches quickness and high efficiency.
Summary of the invention
Technical matters to be solved by this invention is: a kind of method of hoisting flue bent pipe of coke oven is provided, and this method practicality is stronger, can bring into play quick fixed hoisting coke oven flue elbow and help in its installation process the adjustment to the installation and control face.
The technical scheme that the present invention solves its technical matters employing is: before the coke oven flue elbow lifting; Two suspension centres are set at the top of this bend pipe and require this suspension centre to be arranged symmetrically on the same central axis of this bend pipe upper and lower part round mouth; Manual lifting gear with a lifting traction usefulness is fixed near on the suspension centre on this bend pipe center of gravity direction again, when location and installation, makes this bend pipe upper flange mouth maintenance level through adjusting the arm of force length adjustment suspension centre center of gravity that manual lifting gear adjusts on the bend pipe center of gravity direction.
The invention has the beneficial effects as follows:
It is fast convenient when this hanging method is installed the adjustment coke oven flue elbow; Just improved 60% than the direct work efficiency of hoisting method on the link of fixed hoisting that be fastened that bundle of steel rope commonly used is installed, and this method satisfies the requirement of coke oven flue elbow needs control adjustment in installation process;
The employed special hanger of this hanging method is to adopt lever principle; And the structure and shape characteristics of combination flue bent pipe; Take to press from both sides the configuration design of the form of hook, thus wider for the contour size of the unit(s) applicability, be applicable at present existing each model coke oven flue elbow equipment lifting erection work;
This special hanger selects for use steel plate commonly used and round steel material to make, and cost of manufacture is low and simple in structure.
Description of drawings
Fig. 1 is a structural representation provided by the invention.
Fig. 2 is the structural representation of stretching device among Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is a fixed support plate 3 and the scheme drawing that is connected that rotates folder hook 4 among Fig. 1.
Fig. 5 is the right elevation of Fig. 4.
Fig. 6 is the back view of Fig. 4.
Fig. 7 is the structural representation of fixed support plate 3 among Fig. 1.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the structural representation that rotates folder hook 4 among Fig. 1.
Figure 10 is a running condition scheme drawing of the present invention.
Among the figure: 1. hole for hoist; 2. latch; 3. fixed support plate; 4. rotate the folder hook; 5. steel plate; 6. strut; 7. spend blue bolt; 8. draw-in groove; 8-1. notch; 9. fixed orifice; 10. coke oven flue elbow; 11. hook; 12. manual lifting gear; 13. suspension hook; 14. long steel rope.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is further described.
The method of hoisting flue bent pipe of coke oven provided by the invention; Specifically: when coke oven flue elbow lifts, establish two suspension centres; Be symmetricly set on the top of this bend pipe; And be fixed near on the suspension centre on the direction of this bend pipe center of gravity with the manual lifting gear of a lifting traction usefulness (like chain block etc.),, location and installation, makes this bend pipe upper flange mouth maintenance level when adjusting through tightening up or loosening the adjustment that single manual lifting gear (like chain block etc.) is realized this bend pipe suspension centre center of gravity.
Referring to Figure 10, the present invention adopts the method that may further comprise the steps:
1. lifting is prepared:
Two fixed support plates 3 are contained in the top of coke oven flue elbow 10 (hereinafter to be referred as bend pipe); With rotating the flange bottom that folder hook 4 hooks bend pipe; The rotational fixation stay bearing plate 3 again, and fixed support plate 3 vertically is close to this elbow internal wall, and require to be symmetricly set on the axis that the round mouth center, upper and lower with bend pipe coincides; And with the stretching device two fixed support plate stretchings are located, prevent suspender to be come off because of rotational fixation stay bearing plate 3 deflects; This suspender mainly is made up of fixed support plate 3, rotation folder hook 4 and stretching device;
Then; On near the fixed support plate 3 of said bend pipe center of gravity direction with the hole for hoist 1 of an end of a strap and a fixed support plate 3 through unloading buckle, the end hook 11 that the other end of this steel rope is lifted by crane the manual lifting gear 12 (like chain block etc.) of traction usefulness catches on; Link to each other with the suspension hook 13 of lifting appliance (crane) with the end hook of another root strap lifting gear 12 (like chain block etc.); Through unloading buckle, the other end of this steel rope is connected to suspension hook 13 places of lifting appliance (crane) with the hole for hoist 1 of an end of a long steel rope 14 and another fixed support plate 3.
2. center of gravity is lifted by crane in adjustment:
According to the lifting needs; Realize adjusting equipment center of gravity state and satisfy installation requirements through adjusting manual lifting gear 12; Specifically: manual lifting gear 12 is fixed on the fixed support plate 3 near the equipment center of gravity; Just so that the bend pipe center of gravity is adjusted to perfect condition, through arranging that so just in time being pooled to any after this moment, two suspension centres were put on steel rope is suspension hook 13 places.
3. lifting:
Lifting appliance (crane) when lifting, under two that the act on fixed support plate 3 tops relative effects of tractive force obliquely, this suspender produces naturally reversing sense outside tighten up tension force, when making this suspender lifting automatically clamping catch on fixed bending tube and lift by crane.
The present invention combines coke oven flue elbow top to be provided with the constructional feature of flange and the heavy socket of body; The special hanger of design hoisting flue bent pipe of coke oven catches on the flange of this bend pipe; And the reversing sense tractive force when combining lifting makes this suspender realize tightening up voluntarily fixing purpose, thereby realizes the lifting of the said coke oven flue elbow of said method.
The special hanger of hoisting flue bent pipe of coke oven provided by the invention, its structure is as shown in Figure 1: mainly be made up of fixed support plate 3, rotation folder hook 4 and stretching device.
Said fixed support plate 3 has two, and its structure such as Fig. 1, Fig. 7 and shown in Figure 8: this fixed support plate is processed by steel plate, which is provided with a hole for hoist 1 and a fixed orifice 9; Steel plate thickness is 16mm, and hole for hoist 1 diameter is φ 30mm, and these technical parameters also can be decided according to actual conditions.And weld a block plate 5 in this fixed support plate bottom and form T-shaped with fixed support plate, this steel plate 5 is of a size of 70 * 30mm, and this size also can be decided according to actual conditions.
The structure of said rotation folder hook 4 such as Fig. 1, Fig. 5 and shown in Figure 9: by the folder hook and with it the latch 2 that is weldingly connected of top form.The folder hook be a kind of by thickness be the steel plate of 16mm to be made into radius bend be 45 ° folder hook for the 40mm angle, these technical parameters also can be decided according to actual conditions.Latch 2 is processed by round steel, and its length is longer than folder hook upper width, and its diameter is littler than fixed orifice 9, is φ 20mm as if the diameter of fixed orifice 9, and then the diameter of latch 2 is φ 16mm, can guarantee like this can rotate freely after this latch penetrates fixed orifice 9.
The annexation of above-mentioned rotation folder hook 4 and fixed support plate 3 such as Fig. 1, Fig. 4, Fig. 5 and shown in Figure 6.
The structure of said stretching device such as Fig. 1, Fig. 2 and shown in Figure 3 are by strut 6, spend blue bolt 7 and draw-in groove 8 to form.Wherein: strut 6 has two, and they are positioned at the both sides of spending blue bolt 7, and their end is provided with the draw-in groove 8 that is weldingly connected with it, and their other end links to each other with spending blue bolt 7 respectively.Draw-in groove 8 is that the steel plate of 16mm is processed by thickness, and its notch 8-1 is used to block fixed support plate 3, and this steel plate thickness also can be decided according to actual conditions.Spend blue bolt 7 can adopt M20 to spend blue bolt.The parts of this stretching device combine by actual bend pipe caliber size.
Above-mentioned stretching device is as shown in Figure 1 with the relation that two fixed support plates 3 link to each other.
The special hanger of hoisting flue bent pipe of coke oven provided by the invention (abbreviation suspender), its working process is:
1. install and fix suspender:
Two suspenders are arranged symmetrically in the top of coke oven flue elbow 10 (hereinafter to be referred as bend pipe); To rotate the flange bottom that folder hook 4 hooks bend pipe earlier; The rotational fixation stay bearing plate 3 again, and fixed support plate 3 vertically is close to this elbow internal wall, and require to be symmetricly set on the axis that the round mouth center, upper and lower with bend pipe coincides; And with the stretching device two fixed support plate stretchings are located, prevent the suspender displacement to be come off because of rotational fixation stay bearing plate 3 deflects;
Then; Fixed orifice 1 on the end that will restrict with a strap near the fixed support plate 3 of said bend pipe center of gravity direction and the fixed support plate 3 is through unloading buckle, and the end hook 11 of the manual lifting gear 12 of the other end of this steel rope and lifting traction usefulness (like chain block etc.) is connected; Link to each other with the suspension hook 13 of lifting appliance (crane) with the end hook of another root strap lifting gear 12 (like chain block etc.); Through unloading buckle, the other end of this steel rope is connected to suspension hook 13 places of lifting appliance (crane) with the fixed orifice 1 of an end of a long steel rope 14 and another fixed support plate 3.
Notice that manual lifting gear 12 will be fixed on the fixed support plate near the equipment center of gravity, just so that the bend pipe center of gravity is adjusted to perfect condition, through arranging that so just in time being pooled to any after this moment, two suspension centres were put on steel rope is suspension hook 13 places.
2. lifting:
During lifting appliance (crane) lifting, progressively adjust manual lifting gear 12 and make the steel rope of secure both ends reach state of equilibrium.Under two that the act on fixed support plate 3 tops relative effects of tractive force obliquely, this suspender clamps bend pipe automatically and catches on bend pipe flange bottom.
3. control adjustment:
Flue bent pipe can be realized adjusting equipment center of gravity state and satisfies installation requirements as required in hoisting process through adjusting manual lifting gear 12.
Claims (4)
1. the method for hoisting flue bent pipe of coke oven; It is characterized in that before the coke oven flue elbow lifting; Two suspension centres are set at the top of this bend pipe and require this suspension centre to be arranged symmetrically on the same central axis of this bend pipe upper and lower part round mouth; Manual lifting gear with a lifting traction usefulness is fixed near on the suspension centre on this bend pipe center of gravity direction again; When location and installation, realize the adjustment of this bend pipe suspension centre center of gravity, make this bend pipe upper flange mouth maintenance level, utilize the lifting appliance lifting then through adjusting manual lifting gear;
This method specifically is to adopt the method that may further comprise the steps:
A. lifting is prepared:
Two fixed support plates (3) are contained in the top of coke oven flue elbow (10); To rotate the flange bottom that folder hook (4) hooks this bend pipe; Rotational fixation stay bearing plate (3) vertically is close to this elbow internal wall with fixed support plate (3) again, and requires to be symmetricly set on the same central axis with the upper and lower round mouth of bend pipe; And with the stretching device with two fixed support plates (3) stretching location, prevent suspender to be come off because of rotational fixation stay bearing plate (3) deflects; This suspender mainly is made up of fixed support plate (3), rotation folder hook (4) and stretching device,
Then; Going up near the fixed support plate (3) of said bend pipe center of gravity direction with the hole for hoist (1) of an end of a strap and a fixed support plate (3) through unloading buckle, the end that the other end of this steel rope is lifted by crane the manual lifting gear (12) that draws usefulness is linked up with (11) and is caught on; Link to each other with the suspension hook (13) of lifting appliance with the end hook of another root strap manual lifting gear (12); Through unloading buckle, the other end of this steel rope is connected to the suspension hook of lifting appliance (13) and locates with the hole for hoist (1) of an end of a long steel rope (14) and another fixed support plate (3);
B. center of gravity is lifted by crane in adjustment:
According to the lifting needs; Realize adjusting bend pipe center of gravity state and satisfy installation requirements through adjusting manual lifting gear (12); Specifically: manual lifting gear (12) is fixed on the fixed support plate (3) near the bend pipe center of gravity; Just so that the bend pipe center of gravity is adjusted to perfect condition; Through arranging that so just in time being pooled to any after this moment, two suspension centres were put on steel rope is that suspension hook (13) is located, make this bend pipe upper flange mouth maintenance level through the arm of force length adjustment suspension centre center of gravity on the adjustment bend pipe center of gravity direction;
C. utilize the lifting appliance lifting:
Lifting appliance when lifting, under two that act on fixed support plate (3) the top relative effects of tractive force obliquely, this suspender produces naturally reversing sense outside tighten up tension force, when making this suspender lifting automatically clamping catch on bend pipe and lift by crane.
2. the method for hoisting flue bent pipe of coke oven according to claim 1; It is characterized in that said stretching device mainly by strut (6), spend blue bolt (7) to form; Wherein: strut (6) has two; They are positioned at the both sides of spending blue bolt (7) and are attached thereto, and their other end is equipped with the draw-in groove that is used to block fixed support plate (3) (8) that is weldingly connected with it.
3. the method for hoisting flue bent pipe of coke oven according to claim 1 is characterized in that said manual lifting gear (12) is a chain block.
4. the method for hoisting flue bent pipe of coke oven according to claim 1 is characterized in that said lifting appliance is a crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102623691A CN101927957B (en) | 2010-08-23 | 2010-08-23 | Method for hoisting flue bent pipe of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102623691A CN101927957B (en) | 2010-08-23 | 2010-08-23 | Method for hoisting flue bent pipe of coke oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101927957A CN101927957A (en) | 2010-12-29 |
| CN101927957B true CN101927957B (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102623691A Expired - Fee Related CN101927957B (en) | 2010-08-23 | 2010-08-23 | Method for hoisting flue bent pipe of coke oven |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145027B (en) * | 2013-04-07 | 2014-12-03 | 南车戚墅堰机车有限公司 | Lifting appliance for cylinder type workpiece |
| CN106147798B (en) * | 2015-04-14 | 2018-10-19 | 五冶集团上海有限公司 | Coke oven flue elbow installation method |
| CN107379507B (en) * | 2017-08-29 | 2023-07-25 | 天津天地龙管业股份有限公司 | Forming device of high-density polyethylene large-caliber outer protection elbow |
| CN108483225B (en) * | 2018-04-11 | 2023-05-05 | 海亮（安徽）铜业有限公司 | Lifting appliance for preprocessing furnace mouth of copper plate and application method thereof |
| CN115139252A (en) * | 2022-06-17 | 2022-10-04 | 深圳市高捷力科技有限公司 | Electric cabinet panel assembly fixture |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032697U (en) * | 1988-03-22 | 1989-02-15 | 赵振锋 | Square metallic tubeless hot-blast stove |
| WO2001088279A1 (en) * | 2000-05-16 | 2001-11-22 | Royden Whitten | A collapsible anchor |
| KR100732366B1 (en) * | 2007-04-12 | 2007-06-27 | 주식회사 도화종합기술공사 | Hanger for assembling a steel tower |
| CN101586810B (en) * | 2009-06-26 | 2011-01-12 | 中国第一冶金建设有限责任公司 | Secondary mounting method for construction elbow of flue opening |
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- 2010-08-23 CN CN2010102623691A patent/CN101927957B/en not_active Expired - Fee Related
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| CN101927957A (en) | 2010-12-29 |
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Granted publication date: 20120502 Termination date: 20210823 |
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