CN220203504U - High-efficient operating tool of demolishing of blast furnace downcomer - Google Patents
High-efficient operating tool of demolishing of blast furnace downcomer Download PDFInfo
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- CN220203504U CN220203504U CN202320326490.9U CN202320326490U CN220203504U CN 220203504 U CN220203504 U CN 220203504U CN 202320326490 U CN202320326490 U CN 202320326490U CN 220203504 U CN220203504 U CN 220203504U
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- downcomer
- blast furnace
- saddle
- hanging basket
- hanging
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- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 10
- 102220000832 rs119103279 Human genes 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 241000282326 Felis catus Species 0.000 claims description 2
- 230000009194 climbing Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 241001155433 Centrarchus macropterus Species 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model relates to a high-efficiency dismantling tool for a blast furnace down tube, which comprises a saddle frame fixed at the upper end of the down tube with a ladder, wherein the top surface of the saddle frame is provided with a plurality of lifting lugs, two ends of the saddle frame are respectively provided with a hanging basket extending downwards, the bottom surface of the hanging basket is provided with a stepping plate, and the periphery of the hanging basket is provided with a ladder climbing rod. The utility model can ensure that the original downpipe dismantling operation which needs to be performed inside can be performed outside without constructing in a narrow space inside the downpipe, thereby ensuring the high efficiency of the dismantling operation and shortening the dismantling time of the downpipe. The utility model is convenient and easy to get on and off, and the climbing ladder rod is used as a guardrail, so that constructors can be prevented from falling, and the utility model is safe and reliable. The saddle frame and the hanging basket are simple to manufacture, common materials in construction sites are adopted, and the saddle frame and the hanging basket can be manufactured in advance or on site and can be reused, so that the saddle frame and the hanging basket are economical and environment-friendly.
Description
Technical Field
The utility model belongs to the technical field of blast furnace part installation and removal, and particularly relates to a blast furnace downcomer efficient removal operation tool.
Background
At present, the national environmental protection requirements are gradually improved, part of blast furnaces need to be reduced and replaced, the dismantling of a down tube becomes a key difficulty of blast furnace dismantling, the weight of the down tube of the blast furnace is large, the height is high, a certain angle is formed between the down tube and the ground, the lower part of the down tube is dismantled in a mode of hanging a hanging cage by a crane, and the upper and lower danger coefficients of personnel are large; when the upper part is dismantled, a hole is formed in the top of the descending pipe body, a steel ladder is arranged, personnel descend to the inside of the descending pipe from the steel ladder, firstly, the refractory materials are cleaned, and then, the descending pipe is cut and wasted. The economy of this measure is relatively high, but the risk of personnel during the operation is high. Meanwhile, a hole is formed in the down tube, a large amount of steel plates at the top of the tube body are required to be disassembled and wasted, time consumption is high, the steel plates need to enter the tube, and operation is dangerous and time consumption is long.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a high-efficiency dismantling tool for a blast furnace down tube, which provides a safety platform for a constructor to dismantle the down tube and improves the dismantling safety and the construction efficiency.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high-efficient working tool of demolishing of blast furnace downcomer, including fixing the saddle frame from taking cat ladder upper end at the downcomer, the top surface of saddle frame is equipped with a plurality of lugs, the both ends of saddle frame are equipped with downwardly extending's hanging flower basket respectively, the bottom surface of hanging flower basket is equipped with the flier, be equipped with the climbing pole around the hanging flower basket.
Preferably, the saddle frame is a rectangular frame formed by welding H-shaped steel with the specification of HW100 x 5.5 x 8, and the saddle frame is parallel to the descending tube axis.
Preferably, the hanging basket is a cubic frame formed by welding C20A channel steel, a thick checkered plate serving as the tread plate is welded on the bottom surface, and the tread plate is parallel to the ground.
Preferably, an inclined strut is welded between the saddle frame and the hanging basket, and the inclined strut is DN25 stainless steel tube.
Preferably, the height of the hanging basket is 1.5 times of the diameter of the downcomers.
Preferably, the distance between the hanging baskets at the two ends is slightly wider than the pipe diameter of the descending pipe, and a supporting frame is welded between the hanging basket and the descending pipe.
Advantageous effects
The utility model can ensure that the original downpipe dismantling operation which needs to be performed inside can be performed outside without constructing in a narrow space inside the downpipe, thereby ensuring the high efficiency of the dismantling operation and shortening the dismantling time of the downpipe. The utility model is convenient and easy to get on and off, and the climbing ladder rod is used as a guardrail, so that constructors can be prevented from falling, and the utility model is safe and reliable. The saddle frame and the hanging basket are simple to manufacture, common materials in construction sites are adopted, and the saddle frame and the hanging basket can be manufactured in advance or on site and can be reused, so that the saddle frame and the hanging basket are economical and environment-friendly.
Drawings
FIG. 1 is a schematic diagram of the front view of a blast furnace downcomer efficient demolition work tool.
FIG. 2 is a schematic side view of a blast furnace downcomer efficient demolition tool.
Wherein, 1-a down tube; 101-a descending pipe is provided with a ladder stand; 2-lifting lugs; 3-saddle; 4-diagonal braces; 5-hanging basket; 501-climbing a ladder bar; 502-step plate; 503-supporting frame.
Like reference symbols in the various drawings indicate like elements.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
As shown in fig. 1 and 2, the utility model provides a high-efficiency dismantling tool for a blast furnace downcomer, which comprises a saddle 3 fixed at the upper end of the downcomer and provided with a ladder 101, wherein a plurality of lifting lugs 2 are arranged on the top surface of the saddle 3, hanging baskets 5 extending downwards are respectively arranged at two ends of the saddle 3, a tread 502 is arranged on the bottom surface of each hanging basket 5, and ladder climbing rods 501 are arranged around each hanging basket 5.
In a specific embodiment, the lifting lug 2 is manufactured by machining a steel plate with the thickness of 14mm, and a lifting hole with the diameter of 40mm is formed in the surface of the steel plate. The lifting lug 2 is used for being matched with an automobile crane, and the utility model is lifted to the upper part of the down tube 1 so as to be welded and installed.
In a specific embodiment, the saddle 3 is a rectangular frame formed by welding H-shaped steel with the specification of HW100×100×5.5×8, and the saddle 3 is parallel to the axis of the downcomer 1. The saddle 3 is used as an upper frame of the utility model and is fixedly connected with the self-contained ladder 101 of the down tube, and can enter the lateral hanging basket 5 from the saddle 3 for operation after being firmly welded.
In a specific embodiment, the hanging basket 5 is a cubic frame welded by C20A channel steel, and a thick checkered plate serving as the tread plate 502 is welded on the bottom surface, and the tread plate 502 is parallel to the ground. The height of the hanging basket 5 is 1.5 times of the pipe diameter of the downfalling pipe 1, so that constructors can completely dismantle the downfalling pipe 1 from the lower part.
In a specific embodiment, the ladder bars 501 are welded around the hanging basket 5, and a constructor can step on the step plate 502 where the ladder bars 501 reach the bottom surface downwards, and meanwhile, the ladder bars 501 around can serve as guardrails to prevent the constructor from falling.
In a specific embodiment, an inclined strut 4 is welded between the saddle 3 and the hanging basket 5, the inclined strut 4 is a DN25 stainless steel tube, and an included angle between the inclined strut 4 and the saddle 3 and the hanging basket 5 is 45 °. The inclined stay bars 4 can improve stability of the hanging basket 5 and reduce shaking of the hanging basket 5 during construction operation. The welding position of the diagonal brace 4 should avoid the outer diameter of the down tube 1.
In a specific embodiment, the distance between the hanging baskets 5 at two ends is slightly wider than the pipe diameter of the downer 1, and a supporting frame 503 is welded between the hanging baskets 5 and the downer 1, so as to further improve the stability of the hanging baskets 5 and prevent the hanging baskets 5 from shaking during construction operation.
In a specific embodiment, a lifting lug 2 is additionally welded at the top end of the down tube 1 to serve as a hanging point of a safety belt of a constructor, so that the constructor is prevented from falling off the hanging basket 5 in an unprotected manner.
The construction mode of the utility model is as follows: s1, checking and reinforcing an original platform of the down tube 1; s2, welding and processing the profile steel on site; s3, welding a safety rope hanging point at the upper end of the descending tube 1 through the self-carrying ladder 101 of the descending tube; s4, cutting the guardrail part of the original platform (retaining the channel steel at the lower part of the original platform); s5, at least four lifting lugs 2 are welded at the upper end of the utility model, and the utility model is lifted by a 130-ton automobile crane under the working condition of 20 m radius and 73.5m rod length; s6, keeping the saddle 3 close to the upper end of the descending pipe 1 under the condition of hoisting, firmly welding the saddle 3 and the upper end of the descending pipe with the ladder 101, and then welding and fixing the ladder bars 501 of the hanging baskets 5 on two sides close to the descending pipe 1 through the support frames 503; s7, after the guardrail of the original platform is restored, a constructor enters the hanging basket 5 from the saddle 3 and descends to the tread plate 502 through the climbing rod 501 to start the dismantling operation of the down tube 1.
Claims (6)
1. The utility model provides a high-efficient working tool of demolishing of blast furnace downcomer, its characterized in that, including fixing saddle (3) from taking cat ladder (101) upper end at the downcomer, the top surface of saddle (3) is equipped with a plurality of lugs (2), the both ends of saddle (3) are equipped with downwardly extending's hanging flower basket (5) respectively, the bottom surface of hanging flower basket (5) is equipped with step board (502), be equipped with around hanging flower basket (5) and climb ladder pole (501).
2. The efficient dismantling tool for the blast furnace down tube of claim 1, wherein the saddle frame (3) is a rectangular frame formed by welding H-shaped steel with the specification of HW100 x 5.5 x 8, and the saddle frame (3) is parallel to the axis of the down tube (1).
3. The efficient dismantling tool for the blast furnace downcomer of claim 1, wherein the hanging basket (5) is a cubic frame formed by welding C20A channel steel, a thick checkered plate serving as the step plate (502) is welded on the bottom surface, and the step plate (502) is parallel to the ground.
4. The efficient dismantling tool for the blast furnace down tube of claim 1, wherein an inclined strut (4) is welded between the saddle frame (3) and the hanging basket (5), and the inclined strut (4) is a DN25 stainless steel tube.
5. A blast furnace downcomer efficient demolition tool according to claim 1, characterized by the fact that the height of the basket (5) is 1.5 times the diameter of the downcomer (1).
6. The efficient dismantling tool for the blast furnace downcomer according to claim 1, wherein the distance between the hanging baskets (5) at two ends is wider than the diameter of the downcomer (1), and a supporting frame (503) is welded between the hanging baskets (5) and the downcomer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320326490.9U CN220203504U (en) | 2023-02-27 | 2023-02-27 | High-efficient operating tool of demolishing of blast furnace downcomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320326490.9U CN220203504U (en) | 2023-02-27 | 2023-02-27 | High-efficient operating tool of demolishing of blast furnace downcomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220203504U true CN220203504U (en) | 2023-12-19 |
Family
ID=89156877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320326490.9U Active CN220203504U (en) | 2023-02-27 | 2023-02-27 | High-efficient operating tool of demolishing of blast furnace downcomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220203504U (en) |
-
2023
- 2023-02-27 CN CN202320326490.9U patent/CN220203504U/en active Active
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