CN219653060U - Special metal hose for converter oxygen lance - Google Patents
Special metal hose for converter oxygen lance Download PDFInfo
- Publication number
- CN219653060U CN219653060U CN202320899086.0U CN202320899086U CN219653060U CN 219653060 U CN219653060 U CN 219653060U CN 202320899086 U CN202320899086 U CN 202320899086U CN 219653060 U CN219653060 U CN 219653060U
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- CN
- China
- Prior art keywords
- corrugated pipe
- welded
- sealing
- pipe
- flange
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- 239000002184 metal Substances 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 12
- 239000001301 oxygen Substances 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000000945 filler Substances 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Chemical group 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Chemical group 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a special metal hose for a converter oxygen lance, which is characterized in that the periphery of a corrugated pipe is coated with a net sleeve, two ends of the corrugated pipe are welded with connecting pipes, a fixed flange is welded on the connecting pipe at one end, and a positioning block is welded on the connecting pipe at the other end for blocking and fixing a movable flange; the connecting pipes at two ends of the corrugated pipe are respectively provided with a sealing hoop, the sealing hoops press and lock the multi-layer net sleeve on the connecting pipes, and then the sealing hoops are protected by the protecting sleeves to prevent the edges of the net sleeve from being damaged when knocked; the flexible gaskets are respectively arranged on one side of the sealing hoops at the two ends, which faces the fixed flange or the movable flange, so that the fixed flange or the movable flange is buffered when contacting with the sealing hoops; the two ends of the corrugated pipe are provided with encrypted waves, the middle part is common waves, the outer diameter of the corrugated pipe is provided with an annular groove, flexible filler is arranged in the annular groove, the change of the corrugated density of the corrugated pipe can strengthen the stress at the two ends, and the two ends with serious deformation are prevented from being damaged.
Description
Technical Field
The utility model belongs to the technical field of metal hoses, and particularly relates to a special metal hose for a converter oxygen lance.
Background
The metal hose used in the current market is simple in welding process, and is composed of a corrugated pipe, a net sleeve and a joint, the hose is installed in a static use environment, the performance of the hose is relatively stable, but in the use environment of a converter oxygen lance, one end of the hose needs to be fixed, the other end of the hose continuously moves up and down, and the following technical problems exist in the movement: 1. the continuous bending of the two ends of the pipe body can be caused, and the corrugated pipe joint is easy to break due to the fact that the hardness of the two ends of the pipe body is the same as that of the middle part of the pipe body; 2. the inside of the metal hose is provided with the corrugated pipe, when the metal hose is bent, bending flaws are easily generated at the corrugated part of the corrugated pipe, and the corrugated section is easily aged and damaged after long-time use or bending; the end part of the corrugated pipe is connected with a fixing flange, the fixing hole position of the fixing flange cannot be changed, and the fixing hole position can be realized only by twisting the corrugated pipe during assembly, so that the connection point of the flange and the corrugated pipe is easy to damage; 4. when the corrugated pipe is deformed, the corrugated pipe is easy to squeeze with the flange to further cause damage to the fixed end of the corrugated pipe, and 5, the fixed point of the end part of the corrugated pipe is easy to collide with the outside, and the damage to the end part of the corrugated pipe is easy to cause the influence on the use safety.
Aiming at the technical defects, as a person skilled in the art, it is very necessary to design a special metal hose for a converter oxygen lance, which can improve the strength of the corrugated pipe and avoid bending damage of the corrugated pipe.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the special metal hose for the converter oxygen lance, which further improves the internal structure and the end structure of the corrugated pipe, improves the product performance of the metal hose and overcomes the defects in the prior art.
In order to achieve the technical purpose, the utility model adopts the following scheme: a special metal hose for a converter oxygen lance comprises a corrugated pipe, wherein the periphery of the corrugated pipe is coated with a net sleeve; connecting pipes are welded at two ends of the corrugated pipe, a fixed flange is welded on the connecting pipe at one end, a positioning block is welded on the connecting pipe at the other end, and the movable flange is fixed through the positioning block; the two ends of the corrugated pipe adopt encrypted corrugations; the connecting pipes at two ends of the corrugated pipe are respectively provided with a sealing hoop, and the sealing hoops press and lock the net cover on the connecting pipes; the outside of the sealing hoop is welded with a protective sleeve.
The sealing hoops at the two ends are respectively provided with a flexible buffer area towards one side of the fixed flange or the movable flange, and buffering when the fixed flange or the movable flange is contacted with the sealing hoops is realized through the flexible buffer areas.
The net cover is in a multi-layer structure and at least comprises an outer net cover, a middle net cover and an inner net cover.
A flexible filler is arranged in the annular groove on the outer diameter of the corrugated pipe.
The end part of the corrugated pipe is provided with an inserting block, an inserting groove is formed in the inserting block towards the outer side, and the inserting groove and the connecting pipe are welded and fixed after being inserted.
The beneficial effects of the utility model are as follows: according to the utility model, through the arrangement, the periphery of the corrugated pipe is coated with the net sleeve, the two ends of the corrugated pipe are welded with the connecting pipes, the connecting pipe at one end is welded with the fixed flange, and the connecting pipe at the other end is welded with the positioning block for blocking and fixing the movable flange; the connecting pipes at two ends of the corrugated pipe are respectively provided with a sealing hoop, the sealing hoops press and lock the multi-layer net sleeve on the connecting pipes, and then the sealing hoops are protected by the protecting sleeves to prevent the edges of the net sleeve from being damaged when knocked; the flexible gaskets are respectively arranged on one side of the sealing hoops at the two ends, which faces the fixed flange or the movable flange, so that the fixed flange or the movable flange is buffered when contacting with the sealing hoops; the two ends of the corrugated pipe are provided with encrypted waves, the middle part is common waves, the outer diameter of the corrugated pipe is provided with an annular groove, flexible filler is arranged in the annular groove, the change of the corrugated density of the corrugated pipe can strengthen the stress at the two ends, and the two ends with serious deformation are prevented from being damaged.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the area A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of the area B in FIG. 1;
in the accompanying drawings:
1. the sealing ring comprises a fixed flange, 2 parts of sealing hoops, 21 parts of multilayer vulcanized damping rubber, 3 parts of net sleeves, 31 parts of inner net sleeves, 32 parts of middle net sleeves, 33 parts of outer net sleeves, 4 parts of corrugated pipes, 41 parts of plug-in blocks, 5 parts of movable flanges, 6 parts of annular stop blocks, 7 parts of rubber strips, 8 parts of connecting pipes, 9 parts of closed ripple bodies, 10 parts of protective sleeves.
Detailed Description
The utility model is shown in the attached drawings, and the special metal hose for the converter oxygen lance is shown in the attached drawings, and comprises a corrugated pipe 4, wherein the two ends of the corrugated pipe 4 adopt dense ripple bodies 9, the middle part is a common ripple body, and the two ends of the corrugated pipe 4 belong to bending or vibration frequency higher regions. The annular groove on the outer diameter of the corrugated pipe is internally provided with the flexible filler, the rubber strip 7 is adopted in the flexible filler in the embodiment, the rubber strip 7 reduces friction between metals while buffering vibration, and the service life of the corrugated pipe is prolonged better. The periphery of the corrugated pipe is coated with a net sleeve 3, two ends of the corrugated pipe 4 are welded with connecting pipes 8, a fixing flange 1 is welded on the connecting pipe 8 at one end, an annular positioning block 6 is welded on the connecting pipe 8 at the other end, and blocking and fixing of the movable flange 5 are realized through the positioning block 6. When the connecting pipe 8 is fixed, the end part of the corrugated pipe 4 is provided with a plug-in block 41, the plug-in block 41 is provided with a plug-in groove towards the outer side, and the plug-in groove and the connecting pipe 8 are welded and fixed after being plugged.
The connecting pipes 8 at two ends of the corrugated pipe 4 are respectively provided with a sealing hoop, the sealing hoops 2 are used for extruding and locking the net cover 3 on the connecting pipes 8, the net cover 3 in the embodiment is of a three-layer structure and comprises an outer net cover 33, a middle net cover 32 and an inner net cover 31, and the multi-layer net cover is arranged to better realize shock absorption due to the space or deformation quantity of elastic deformation of the net cover, so that the structure has better shock resistance. It should be noted that when the net cover 3 is combined by the sealing hoop 2, the fixing point of the net cover is a combining weak point, and in order to prevent the net cover from being separated from the sealing hoop 2 or the area from being damaged when the net cover collides with an external part, a protecting sleeve 10 is welded on the outer side of the sealing hoop 2, and when the protecting sleeve is fixed, one tapered end of the protecting sleeve is welded on the sealing hoop 2, and the other tapered end of the protecting sleeve is suspended.
Further, in the utility model, the sealing hoops 2 at the two ends of the corrugated pipe 4 are provided with flexible buffer areas towards the fixed flange on the sealing hoops 2 at one side of the fixed flange; a flexible buffer area is arranged on the sealing hoop 2 positioned at one side of the movable flange towards the movable flange; in the actual use process, along with the deformation of the corrugated pipe, the possibility that the sealing hoop 2 is contacted with the fixed flange or the movable flange exists, the sealing hoop 2 is prevented from being rigidly extruded with the fixed flange or the movable flange through the structure, and the damage to parts is prevented through buffering.
Still further, the technology of this embodiment extends, the flexible buffer area provided on the sealing hoop 2 may be directly realized by vulcanizing three layers of damping rubber on the sealing hoop 2, and the sealing hoop 2 is integrally coated after vulcanization, without considering the independent fixation of the flexible buffer area.
By the above technical improvements, the advantages of the present utility model can be summarized as follows: 1. the corrugated pipe has better flexibility, the two ends of the corrugated pipe are provided with the dense ripple bodies, rubber strips are coated between the ripple bodies, friction between metals is reduced while vibration is buffered, and the corrugated pipe has smaller bending radius and flexibility, so that the service life of the corrugated pipe can be prolonged better due to the special use condition of the converter oxygen lance; 2. the product has better shock resistance by using three layers of net sleeves and three layers of sealing hoops; 3. the root parts of the two ends of the pipe body are wrapped with the protective sleeves made of 500mm stainless steel, the root parts of the protective sleeves are provided with flaring type, bending of the wave bodies at the end parts is mainly reduced, damage to the pipe body due to the section is avoided through flaring type, the pipe body is better protected, and the service life is prolonged.
The product is applied to oxygen gun equipment of a steel-making converter of Xin iron and steel groups in Jiangsu province, the service life is prolonged from 10-30 days to 6 months, the service life of a metal hose is prolonged obviously, and the blank of the technical field in China at present is filled.
Claims (5)
1. The utility model provides a special metal collapsible tube of converter oxygen rifle, its characterized in that includes bellows: a net sleeve is coated on the periphery of the corrugated pipe; connecting pipes are welded at two ends of the corrugated pipe, a fixed flange is welded on the connecting pipe at one end, and a movable flange is welded on the connecting pipe at the other end; the two ends of the corrugated pipe adopt encrypted corrugations; the connecting pipes at two ends of the corrugated pipe are respectively provided with a sealing hoop, and the sealing hoops press and lock the net cover on the connecting pipes; the outside of the sealing hoop is welded with a protective sleeve.
2. A special metal hose for a converter lance as set forth in claim 1, wherein: the sealing hoops at the two ends are respectively provided with a flexible buffer area towards one side of the fixed flange or the movable flange.
3. A special metal hose for a converter lance as set forth in claim 1, wherein: the net cover is in a multi-layer structure and at least comprises an outer net cover, a middle net cover and an inner net cover.
4. A special metal hose for a converter lance as set forth in claim 1, wherein: a flexible filler is arranged in the annular groove on the outer diameter of the corrugated pipe.
5. A special metal hose for a converter lance as set forth in claim 1, wherein: the end part of the corrugated pipe is provided with an inserting block, an inserting groove is formed in the inserting block towards the outer side, and the inserting groove and the connecting pipe are welded and fixed after being inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320899086.0U CN219653060U (en) | 2023-04-20 | 2023-04-20 | Special metal hose for converter oxygen lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320899086.0U CN219653060U (en) | 2023-04-20 | 2023-04-20 | Special metal hose for converter oxygen lance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219653060U true CN219653060U (en) | 2023-09-08 |
Family
ID=87857479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320899086.0U Active CN219653060U (en) | 2023-04-20 | 2023-04-20 | Special metal hose for converter oxygen lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219653060U (en) |
-
2023
- 2023-04-20 CN CN202320899086.0U patent/CN219653060U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |