CN212223029U - Blast furnace down pipe spraying construction device - Google Patents
Blast furnace down pipe spraying construction device Download PDFInfo
- Publication number
- CN212223029U CN212223029U CN202021115807.7U CN202021115807U CN212223029U CN 212223029 U CN212223029 U CN 212223029U CN 202021115807 U CN202021115807 U CN 202021115807U CN 212223029 U CN212223029 U CN 212223029U
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- blast furnace
- downcomer
- carriage
- bearing rod
- lug
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Abstract
The utility model discloses a blast furnace downcomer spraying construction equipment, including manned dolly and carry the mechanism, manned dolly includes upper end open-ended carriage, is provided with the lug on the carriage, and the carriage bottom is provided with the bearing bar, and the bearing bar below is provided with the wheel, carries the setting of mechanism and is being connected with the lug at the downthehole pipe top, carries the mechanism to pass through wire rope. The utility model discloses a blast furnace downcomer spraying construction equipment simple structure, can be at the activity of blast furnace downcomer, construction method safety is high-efficient, construction quality is good, extensive applicability.
Description
Technical Field
The utility model relates to the field of pipeline spraying construction, in particular to a blast furnace downcomer spraying construction device.
Background
When the blast furnace is produced, the inner lining of the downcomer is subject to scouring and chemical erosion of high-temperature gas flow and is easily damaged, so that the inner wall of the downcomer needs to be protected in advance by adopting spray coating. However, when the blast furnace downcomer is used for spray coating construction, the traditional and clumsy construction method is still adopted, and a temporary construction platform is entered and erected in the downcomer by using the access hole of the downcomer so that constructors can work in the downcomer. The prior construction technology has the following defects: (1) the blast furnace down pipes belong to gas pipelines with large diameters and large inclination angles, and a construction platform is erected in the gas pipelines to be not beneficial to construction safety control; (2) the temporary construction platforms are built in a large number, cannot move and are not easy to disassemble, so that the construction period is prolonged, and progress control is not facilitated; (3) the labor cost is increased due to the prolonged construction period, the material cost is increased due to the large consumption of auxiliary materials, and the construction cost cannot be well saved; (4) the construction platform can not fully lay the pipeline, so that the construction surface of constructors is not enough, and the construction quality can not be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model provides a blast furnace downcomer spraying construction equipment that simple structure, ability are at blast furnace downcomer internalization to above-mentioned technical problem.
In order to achieve the above purpose, the device of the utility model is realized by the following technical proposal:
the utility model provides a blast furnace downcomer spraying construction equipment, includes manned dolly and carries and draws the mechanism, and manned dolly includes upper end open-ended carriage, is provided with the lug on the carriage, and the carriage bottom is provided with the bearing bar, and the bearing bar below is provided with the wheel, carries and draws the mechanism setting at the downcomer top, carries to draw the mechanism to pass through wire rope and is connected with the lug.
Adopt above-mentioned technical scheme's device, compare with prior art, beneficial effect is: the utility model discloses a blast furnace downcomer spraying construction equipment simple structure, manned dolly rely on carrying the pulling of drawing mechanism and slide from top to bottom along the downcomer, and the operator stands and carries out the pipeline spraying operation in the manned dolly, and is safe high-efficient, guarantees efficiency of construction and construction quality.
Further, the bearing rod includes last bearing rod and lower bearing rod, goes up bearing rod and carriage bottom welded connection, goes up bearing rod and lower bearing rod bolted connection.
Further, the vehicle compartment is constituted by a rectangular frame and a floor panel.
Furthermore, a step plate is arranged on the bottom plate of the carriage.
Furthermore, the rectangular frame is formed by welding steel pipes or steel bars.
Further, the wheels are rubber wheels.
Further, the lifting mechanism comprises a winch and a pulley block, the winch and the pulley block are arranged at the top of the descending pipe, one end of the steel wire rope is connected with the lifting lug on the carriage, and the other end of the steel wire rope is connected with the winch through the pulley block.
Drawings
Fig. 1 is a schematic structural view of a blast furnace downcomer spraying construction device in an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the manned vehicle in the embodiment of the present invention.
Fig. 3 is a schematic top view of the man-carrying cart according to the embodiment of the present invention.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
Fig. 5 is a sectional view taken along line B-B in fig. 3.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, a blast furnace downcomer coating installation apparatus includes a man car 10 and a lifting mechanism 20. Wherein, manned dolly 10 includes upper end open-ended carriage 11, is provided with lug 12 on the carriage, and in order to guarantee construction safety nature, lug 12 adopts foraminiferous steel sheet welding on the carriage. The bottom of the carriage 11 is provided with a bearing rod 13, wheels 14 are arranged below the bearing rod 13, a lifting mechanism 20 is arranged at the top of the descending pipe, and the lifting mechanism 20 is connected with the lifting lugs 12 through a steel wire rope 30. The manned trolley 10 is pulled by the lifting mechanism 20 to slide up and down along a descending pipe, an operator stands in the carriage 11 of the manned trolley 10 to perform pipeline spraying operation, safety and high efficiency are achieved, and construction efficiency and construction quality are guaranteed.
The bearing rod 13 comprises an upper bearing rod 13-1 and a lower bearing rod 13-2, the upper bearing rod 13-1 is connected with the bottom of the carriage 11 in a welding mode, and the upper bearing rod 13-1 is connected with the lower bearing rod 13-2 through bolts so that the device can be conveniently disassembled in the pipeline. The bearing rod 13 is made of square steel, and holes are drilled in the square steel and used for penetrating through bolts.
The carriage 11 is composed of a rectangular frame 11-1 and a bottom plate 11-2, a step plate is arranged on the bottom plate 11-2 of the carriage and is made of a pattern plate, and the arrangement of the step plate is determined according to the inclination angle of a down pipe so as to ensure that an operator stands in the carriage 11 in an upright state.
The rectangular frame 11-1 is formed by welding steel pipes or steel bars. Specifically, the main framework of the rectangular frame 11-1 is formed by welding square steel tubes, and the transverse railings welded on the main framework are round steel tubes or steel bars, so that the safety protection effect is achieved.
The wheels 14 are rubber wheels to increase the coefficient of friction of the wheels 14 with the pipe.
The lifting mechanism 20 comprises a winch 21 and a pulley block 22, the winch 21 and the pulley block 22 are arranged at the top of the descending pipe, one end of a steel wire rope 30 is connected with the lifting lug 12 on the carriage, and the other end of the steel wire rope 30 is connected with the winch 21 through the pulley block 22.
The utility model adopts the construction method of the blast furnace downcomer spraying construction device of the embodiment, which comprises the following steps:
1) an operator enters through a manhole of a downcomer, the manned trolley 10 is assembled and spliced in a pipeline, and the manned trolley 10 is connected with the lifting mechanism 20 through a steel wire rope 30.
2) An operator enters the carriage 11, the manned trolley 10 is pulled by the lifting mechanism 20 to slide up and down along the downcomer, and the operator performs spraying operation on the inner liner of the downcomer.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. The utility model provides a blast furnace downcomer spraying construction equipment, includes manned dolly and carries and draws the mechanism, its characterized in that, manned dolly includes upper end open-ended carriage, is provided with the lug on the carriage, and the carriage bottom is provided with the bearing bar, and the bearing bar below is provided with the wheel, carries and draws the mechanism setting at the downcomer top, carries and draws the mechanism to be connected with the lug through wire rope.
2. The blast furnace down pipe spray coating construction device according to claim 1, wherein the bearing rods comprise an upper bearing rod and a lower bearing rod, the upper bearing rod is welded with the bottom of the carriage, and the upper bearing rod is bolted with the lower bearing rod.
3. The blast furnace downcomer painting installation according to claim 1, wherein the platform is formed of a rectangular frame and a floor.
4. The blast furnace downcomer coating apparatus according to claim 3, wherein a step plate is provided on the floor of the platform.
5. The blast furnace downcomer spray coating installation according to claim 3, wherein the rectangular frame is formed by welding steel pipes or steel bars.
6. The blast furnace downcomer coating apparatus of claim 1 wherein the wheels are rubber wheels.
7. The blast furnace downcomer spray coating installation according to claim 1, wherein the lifting mechanism comprises a hoist and a pulley block, the hoist and the pulley block are disposed on the top of the downcomer, one end of the wire rope is connected to the lifting lug on the carriage, and the other end of the wire rope is connected to the hoist through the pulley block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021115807.7U CN212223029U (en) | 2020-06-17 | 2020-06-17 | Blast furnace down pipe spraying construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021115807.7U CN212223029U (en) | 2020-06-17 | 2020-06-17 | Blast furnace down pipe spraying construction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212223029U true CN212223029U (en) | 2020-12-25 |
Family
ID=73930366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021115807.7U Active CN212223029U (en) | 2020-06-17 | 2020-06-17 | Blast furnace down pipe spraying construction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN212223029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621608A (en) * | 2020-06-17 | 2020-09-04 | 中国二十二冶集团有限公司 | Blast furnace down pipe spraying construction device and construction method |
-
2020
- 2020-06-17 CN CN202021115807.7U patent/CN212223029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621608A (en) * | 2020-06-17 | 2020-09-04 | 中国二十二冶集团有限公司 | Blast furnace down pipe spraying construction device and construction method |
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