CN101492961B - Method for making removable job platform for coal gas discharging chimney - Google Patents
Method for making removable job platform for coal gas discharging chimney Download PDFInfo
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- CN101492961B CN101492961B CN2009100610711A CN200910061071A CN101492961B CN 101492961 B CN101492961 B CN 101492961B CN 2009100610711 A CN2009100610711 A CN 2009100610711A CN 200910061071 A CN200910061071 A CN 200910061071A CN 101492961 B CN101492961 B CN 101492961B
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- fixed head
- job platform
- removable
- removable job
- cylindrical shell
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Abstract
The invention relates to a method for setting up an operation platform. The method for setting up a removable operation platform for a gas diffusion chimney is characterized by comprising the following steps: 1) preparing at least more than 8 removable operation platforms, and preparing a fixing plate set; 2) welding first fixing plates with the number corresponding to brackets of the removable operation platforms on the same height on the outer wall of a steel structure cylinder body along the circumference, and welding second fixing plates with the number corresponding to the brackets of the removable operation platforms on the same height on the outer wall of a steel structure cylinder body along the circumference; 3) mounting the brackets of the removable operation platforms; 4) paving platform boards on crossbeams of the brackets of the removable operation platforms; 5) threading annular safety curb chains at the upper end parts of upper rods of the brackets of the removable operation platforms to form an integral operation platform; and 6) after the steel structure cylinder body is raised, repeating 2) to 5) on the prior first fixing plates till the mounting of the steel structure cylinder body is finished. The method has the characteristics of simple structure, convenient use and high flexibility.
Description
Technical field
The present invention relates to a kind of erection method of job platform, mainly be applicable to higher steel work cylindrical shell installation, the most typical structure is that blast furnace diffuses chimney, and is suitable for the steel cylinder building of other any similar structures.
Background technology
At present, the cylindrical shell steel structure body is installed and is adopted scaffolding, placement platform plate on the scaffold; Scaffold is normally taken cylindrical shell steel work top from ground, and the number of components that constitutes scaffold is bigger, and transportation, loading and unloading are very not square more.
Summary of the invention
The object of the present invention is to provide a kind of easy to use, erection method of coal gas diffusion chimney removable job platform flexibly.
To achieve these goals, technical scheme of the present invention is: the erection method of coal gas diffusion chimney removable job platform is characterized in that it comprises the steps:
1) the removable job platform support of preparation more than at least 8; Prepare the fixed head group, the group number of fixed head group is more than 1 times of removable job platform support, and each fixed head group is made up of first fixed head, second fixed head;
The removable job platform support comprises upper boom, crossbeam, first bolt, hound, second bolt, lower beam, fixedlys connected with the bottom of upper boom in the right part of crossbeam, fixedlys connected with the upper end of lower beam in the left part of crossbeam; The right part of crossbeam, the upper end of hound are provided with first bolt hole respectively, and the bottom of lower beam, the bottom of hound are provided with second bolt hole respectively;
2) sustained height is along circumference welding and corresponding first fixed head of removable job platform support number on the outer wall of steel work cylindrical shell, and sustained height is along circumference welding and corresponding second fixed head of removable job platform support number on the outer wall of steel work cylindrical shell; Constitute first jack between the outer wall of first fixed head and steel work cylindrical shell, constitute second jack between the outer wall of second fixed head and steel work cylindrical shell, same group first fixed head is positioned at the top of second fixed head, and the center line of same group first jack and the center line of second jack are positioned on the same vertical line;
3) the removable job platform support is installed: the lower beam of removable job platform support is inserted in second jack of first jack, second fixed head of same group first fixed head, by first bolt, second bolt hound is connected locking with upper boom, lower beam respectively then;
4) treat that all removable job platform supports install, and lay landing slab on the crossbeam of removable job platform support;
5) wear the annular safety chain in the upper end of the upper boom of removable job platform support, form an overall operation platform;
6) treat that the steel work cylindrical shell raises after, above former first fixed head, repeat 2 again) to 5), install until the steel work cylindrical shell.
The invention has the beneficial effects as follows:
1, easy to use, flexibility good.Support, landing slab, safe chain are knockdown pieces, continuous rising along with steel work cylindrical shell height, the removable job platform support moves on constantly, installs once more at assigned address according to customer requirements, realize job platform automatic lifting, follow one's inclinations mobile, safe and reliable.Very easy to use, and can dismantle whenever and wherever possible and install according to user's needs, need not Aided Machine and just can finish by hand.
2, parts are few, and are simple in structure, and cost is low.
3, utilize height, effect by force.No matter the how high covering device of cylindrical shell (being made of support, fixed head group and landing slab) gets final product, utilization rate 100% has the powerful superiority of installation exercise and security protection dual characteristics.
4, applied widely.Be not only applicable to steel stack, the cylindrical shell steel structure body of similar chimney all can adopt.
5, cost is low, income is high.Support is that common shaped steel is welded, but the simplicity of design field fabrication.Adopt this support then to need not to weld again other temporary fixed supports, avoided the waste of interim material.The dual characteristics of operation and security protection also greatly reduces the safety measure expense.
Description of drawings
Fig. 1 is the structural representation of removable job platform support of the present invention;
Fig. 2 is the sectional view of Fig. 1 along the A-A line;
Fig. 3 is user mode figure of the present invention;
Fig. 4 is the vertical view of Fig. 3;
Among the figure: 1-annular safety chain, 2-upper boom, 3-crossbeam, 4-landing slab, 5-first bolt, 6-hound, 7-first fixed head, 8-second bolt, 9-lower beam, 10-second fixed head, 11-cylindrical shell, 12-removable job platform support.
The specific embodiment
As shown in Figure 3, Figure 4, the erection method of coal gas diffusion chimney removable job platform, it comprises the steps:
1) (generally adopt 8-160, determine that according to the cylindrical shell size cylindrical shell is big, the number of support is just many for the removable job platform support 12 of preparation more than at least 8; Present embodiment adopts 12; The upper boom 2 of each support 12, crossbeam 3, lower beam 9 be welding fabrication, but also field Welding moulding); Prepare the fixed head group, the group number of fixed head group is that (generally adopt 16-640, present embodiment adopts 24 to more than 1 times of removable job platform support 12, is used alternatingly; If the employing number is many, then need not be used alternatingly), each fixed head group is made up of first fixed head 7, second fixed head 10;
As shown in Figure 1 and Figure 2, removable job platform support 12 comprises upper boom 2, crossbeam 3, first bolt 5, hound 6, second bolt 8, lower beam 9, (as adopting welding) fixedlyed connected in the right part of crossbeam 3, and (left side among Fig. 1 is a left end with the bottom of upper boom 2, the right is a right-hand member), fixedly connected with the upper end of lower beam 9 (as adopting welding) in the left part of crossbeam 3; The upper end of the right part of crossbeam 3, hound 6 is provided with first bolt hole respectively, and the bottom of the bottom of lower beam 9, hound 6 is provided with second bolt hole respectively;
2) sustained height is (uniform with corresponding first fixed head 7 of removable job platform support 12 numbers along the circumference welding on the outer wall of steel work cylindrical shell, present embodiment adopts 12), sustained height is (uniform with corresponding second fixed head 10 of removable job platform support 12 numbers along the circumference welding on the outer wall of steel work cylindrical shell, present embodiment adopts 12), last bottom plate respectively keeps sustained height, and three weld all arounds are adopted in fixed head and cylinder body outer wall welding; Constitute first jack between the outer wall of first fixed head 7 and steel work cylindrical shell, constitute second jack between the outer wall of second fixed head 10 and steel work cylindrical shell, same group first fixed head 7 is positioned at the top of second fixed head 10, and the center line of same group first jack and the center line of second jack are positioned on the same vertical line;
3) removable job platform support 12 is installed: the lower beam 9 of removable job platform support 12 is inserted in second jack of first jack, second fixed head 10 of same group first fixed head 7, [crossbeam 3 passes first bolt hole with hound 6 by first bolt 5 and is connected (bolt screws on nut) by first bolt 5, second bolt 8 hound 6 to be connected locking respectively with upper boom 2, lower beam 9 then; Lower beam 9 passes second bolt hole with hound 6 by second bolt 8 and is connected (bolt screws on nut)];
4) treat that all removable job platform supports 12 install, on the crossbeam 3 of removable job platform support 12, lay landing slab 4; All colligation is firm at a certain distance with landing slab and landing slab and crossbeam with iron wire;
5) wear annular safety chain 1 in the upper end of the upper boom 2 of removable job platform support 12, pin two and tension with flower basket bolt after the chain closure; Form a firm overall operation platform; Carrying out the steel work cylindrical shell installs;
6) treat that steel work cylindrical shell (as the coal gas diffusion chimney) install to raise after, above former first fixed head 7 (former first fixed head 7, second fixed head 10 can cut respectively down, for recycling next time, are used alternatingly), repeat 2 again) to 5), install until the steel work cylindrical shell.
Upper boom 2, crossbeam 3, hound 6, lower beam 9 all adopt ∠ 75 * 6 angle steel; First bolt 5, second bolt 8 all adopt M16 type plain bolt; First fixed head 7, second fixed head 10 all adopt the steel plate of δ=6mm; Annular safety chain 1 adopts seizing wire.Landing slab 4 adopts easily detachable bamboo springboard.
Claims (1)
1. the erection method of coal gas diffusion chimney removable job platform is characterized in that it comprises the steps:
1) prepares at least 8 removable job platform supports; Prepare the fixed head group, the group number of fixed head group is more than 1 times of removable job platform support, and each fixed head group is made up of first fixed head, second fixed head;
The removable job platform support comprises upper boom, crossbeam, first bolt, hound, second bolt, lower beam, fixedlys connected with the bottom of upper boom in the right part of crossbeam, fixedlys connected with the upper end of lower beam in the left part of crossbeam; The right part of crossbeam, the upper end of hound are provided with first bolt hole respectively, and the bottom of lower beam, the bottom of hound are provided with second bolt hole respectively;
2) sustained height is along circumference welding and corresponding first fixed head of removable job platform support number on the outer wall of steel work cylindrical shell, and sustained height is along circumference welding and corresponding second fixed head of removable job platform support number on the outer wall of steel work cylindrical shell; Constitute first jack between the outer wall of first fixed head and steel work cylindrical shell, constitute second jack between the outer wall of second fixed head and steel work cylindrical shell, same group first fixed head is positioned at the top of second fixed head, and the center line of same group first jack and the center line of second jack are positioned on the same vertical line;
3) the removable job platform support is installed: the lower beam of removable job platform support is inserted in same group first jack, second jack, by first bolt, second bolt hound is connected locking with upper boom, lower beam respectively then;
4) treat that all removable job platform supports install, and lay landing slab on the crossbeam of removable job platform support;
5) wear the annular safety chain in the upper end of the upper boom of removable job platform support, form an overall operation platform;
6) treat that the steel work cylindrical shell raises after, above former first fixed head, repeat 2 again) to 5), install until the steel work cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100610711A CN101492961B (en) | 2009-03-10 | 2009-03-10 | Method for making removable job platform for coal gas discharging chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100610711A CN101492961B (en) | 2009-03-10 | 2009-03-10 | Method for making removable job platform for coal gas discharging chimney |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101492961A CN101492961A (en) | 2009-07-29 |
| CN101492961B true CN101492961B (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100610711A Expired - Fee Related CN101492961B (en) | 2009-03-10 | 2009-03-10 | Method for making removable job platform for coal gas discharging chimney |
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| CN (1) | CN101492961B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295077B (en) * | 2013-07-17 | 2017-02-08 | 五冶集团上海有限公司 | Annular hanging platform for mounting stove shell of hot-blast stove, and mounting and dismounting method thereof |
| CN109457971A (en) * | 2018-12-19 | 2019-03-12 | 北京首钢建设集团有限公司 | The construction method of operating platform is set up in a kind of furnace body installation using outer wall hangers |
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2009
- 2009-03-10 CN CN2009100610711A patent/CN101492961B/en not_active Expired - Fee Related
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| CN101492961A (en) | 2009-07-29 |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee |
Owner name: CHINA FIRST METALLURGICAL CONSTRUCTION GROUP CORPO Free format text: FORMER NAME: CHINA FIRST METALLURGICAL CONSTRUCTION CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 430081 Wuhan Industrial Zone, Qingshan District, Hubei, No. 3 Patentee after: China First Metallurgical Group Co., Ltd. Address before: 430081 Wuhan Industrial Zone, Qingshan District, Hubei, No. 3 Patentee before: China First Metallurgical Construction Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20190310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |