CN221065620U - Trimming device for pipeline - Google Patents
Trimming device for pipeline Download PDFInfo
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- CN221065620U CN221065620U CN202322836894.5U CN202322836894U CN221065620U CN 221065620 U CN221065620 U CN 221065620U CN 202322836894 U CN202322836894 U CN 202322836894U CN 221065620 U CN221065620 U CN 221065620U
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- pipeline
- fixing
- main sleeve
- trimmed
- sleeve
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- 238000009966 trimming Methods 0.000 title claims abstract description 35
- 239000011148 porous material Substances 0.000 claims description 10
- 238000005498 polishing Methods 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model provides a trimming device for a pipeline, which comprises a fixed sleeve and a cutter head structure. The fixing sleeve is fixedly connected with the cutter head structure and is sleeved on the outer side of the pipeline to be trimmed; the fixing sleeve comprises a main sleeve and a plurality of pipeline fixing devices, the pipeline fixing devices are uniformly distributed along the circumferential surface of the main sleeve, one end of each pipeline fixing device is inserted into the main sleeve and used for being abutted to the pipeline to be trimmed, and the other end of each pipeline fixing device is arranged on the outer side of the main sleeve. The pipeline fixer is arranged in a radial movable way relative to the main sleeve so as to fix the pipeline to be trimmed in the main sleeve. The cutter head structure rotates circumferentially relative to the pipeline to be trimmed so as to clear the flanging structure on the circumferential outer surface of the pipeline to be trimmed. The trimming device can effectively avoid the phenomenon that the flanging of the convex step type joint is inclined and excessively polished during polishing, and reduces the trimming cost.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a trimming device for a pipeline.
Background
With the rapid development of the aerospace industry, various technologies related to the rocket field also realize rapid progress. In the field of liquid rocket engines, high-pressure pipes ensure safe delivery of high-pressure media to the required parts of the liquid rocket engine. In order to ensure more rigorous sealing, high-pressure catheters often use a combination sealing mode of concave and convex step joints and a metal sealing gasket.
In reusable engines, such high pressure conduits using stepped fittings often require repeated loading and unloading. In the assembling and disassembling process, the edge of the sealing surface of the boss stepped joint is easy to generate flanging due to the screwing moment, so that the boss stepped joint cannot be assembled into the corresponding concave stepped joint during the assembly.
The current common repairing mode is to manually polish by using a file or a polishing head to remove the flanging, and the polishing process and the dependence on the feeling of operators are very easy to cause over polishing or polishing deflection, so that the catheter is scrapped, and the production cost is increased.
In order to meet the rapid response requirement of carrier rockets, it is highly desirable to provide a stepped joint trimmer which is convenient to use, and can avoid the occurrence of deflection and excessive polishing of flanging of a boss stepped joint of a pipeline to be trimmed during polishing, so that the trimming cost is reduced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a trimming device for a pipeline, can avoid the phenomena of deflection and over-polishing during polishing of a flanging of a boss step-shaped joint of the pipeline to be trimmed, and reduces trimming cost.
The utility model provides a trimming device for a pipeline, which comprises a fixed sleeve and a cutter head structure.
The fixing sleeve is fixedly connected with the cutter head structure and is sleeved on the outer side of the pipeline to be trimmed;
The fixing sleeve comprises a main sleeve and a plurality of pipeline fixing devices, wherein the pipeline fixing devices are uniformly distributed along the circumferential surface of the main sleeve, one end of each pipeline fixing device is inserted into the main sleeve and used for being abutted against the pipeline to be trimmed, the other end of each pipeline fixing device is arranged on the outer side of the main sleeve, and the pipeline fixing devices are arranged in a radially movable mode relative to the main sleeve so as to fix the pipeline to be trimmed, which is positioned in the main sleeve;
the cutter head structure rotates circumferentially relative to the pipeline to be trimmed so as to clear the flanging structure on the circumferential outer surface of the pipeline to be trimmed.
Further, the main sleeve is of a cylinder structure with two ends communicated.
Further, the surface of the main sleeve is also provided with a through hole for matching the movement of the pipeline fixer and a first locking hole for matching with the locking piece so that the pipeline fixer can be radially adjusted.
Further, the pipeline fixer comprises a fixing main body and a locking piece, the outside of the through hole is far away from the center of the main sleeve and the part extending to the outside of the through hole is further provided with a second locking hole matched with the first locking hole, one end of the fixing main body penetrates through the through hole and then is abutted to the outer surface of the pipeline to be repaired, and the other end of the fixing main body penetrates through the second locking hole and the first locking hole in sequence and then is fixed on the surface of the main sleeve.
Further, the first locking hole and the second locking hole are internally provided with internal threads, the locking piece is of a bolt structure, and the outer surface of the bolt structure is provided with external threads matched with the internal threads.
Further, the cross section of the fixing main body is in a convex shape along the axial direction of the fixing main body, the large end of the convex shape is positioned outside the main sleeve, and the small end of the convex shape is positioned inside the main sleeve.
Further, the end face of the fixing body, which is used for being abutted against the outer surface of the pipeline to be trimmed, is also provided with a double-row roller structure.
Further, the tool bit structure comprises a cylinder body and a tool body, wherein,
The cylinder body comprises a pore canal used for radially adjusting the cutter body along the cylinder body and a fixing hole matched with the locking bolt for fixing the cutter body, the pore canal is circumferentially distributed along the cylinder body, and the fixing hole penetrates through the pore canal axially along the cylinder body from the end surface of one end of the cylinder body far away from the main sleeve;
adjusting holes are uniformly formed in the surface of the cutter body along the axial direction of the cutter body;
When the cutter body is used, one end of the cutter body penetrates through the pore canal and then is abutted against the pipeline to be trimmed, and the locking bolt penetrates through the fixing hole in sequence and then is screwed into the corresponding adjusting hole to fix the cutter body.
Further, scale marks are arranged on the surface of the cutter body along the axial direction of the cutter body.
Furthermore, the fixing sleeve and the cutter head structure are integrally formed, and the fixing sleeve and the cutter head structure are coaxially arranged.
According to the trimming device for the pipeline, the pipeline fixing devices are uniformly distributed along the circumferential surface of the main sleeve, one end of each pipeline fixing device is inserted into the main sleeve and used for being abutted against the pipeline to be trimmed, the other end of each pipeline fixing device is arranged on the outer side of the main sleeve, and the pipeline fixing devices are arranged in a radially movable mode relative to the main sleeve, so that the pipeline to be trimmed in the main sleeve can be fixed.
In addition, the trimming device can fix pipelines to be trimmed with different diameters through the radial movable of the pipeline fixer relative to the main sleeve, and has the advantage of wide application range while being convenient for fixing the pipelines to be trimmed.
The whole trimming device for the pipeline can avoid the phenomena of deflection and excessive polishing when the flange of the joint of the pipeline to be trimmed is polished, and has the advantages of reducing trimming cost and the like.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the scope of the utility model, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and, together with the description, serve to explain the principles of the utility model.
FIG. 1 is a schematic view of the trimming device of the present utility model;
FIG. 2 is a schematic view of the main sleeve and barrel of the present utility model;
FIG. 3 is a right side view of the trimming device of the present utility model;
FIG. 4 is a schematic view of the tubing anchor according to the present utility model;
fig. 5 is a perspective view of the cutter body of the present utility model.
Reference numerals illustrate:
1 fixed sleeve 2 tool bit structure
3 Main sleeve of pipeline 4 to be trimmed
5 Pipeline fixer 6 through hole
7 First locking hole 8 locking piece
9 Fixed body 10 cylinder
11 Cutter body 12 pore canal
13 Fixing hole
Detailed Description
Various exemplary embodiments of the utility model will now be described in detail, which should not be considered as limiting the utility model, but rather as more detailed descriptions of certain aspects, features and embodiments of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the utility model described herein without departing from the scope or spirit of the utility model. Other embodiments will be apparent to those skilled in the art from consideration of the specification of the present utility model. The specification and examples of the present utility model are exemplary only.
The trimming device for pipelines comprises a fixing sleeve 1 and a cutter head structure 2, as shown in fig. 1, 2, 3, 4 and 5. The fixed sleeve 1 and the cutter head structure 2 are fixedly connected and are both used for being sleeved on the outer side of the pipeline 3 to be trimmed.
The fixing sleeve 1 comprises a main sleeve 4 and a plurality of pipeline fixing devices 5, the pipeline fixing devices 5 are uniformly distributed along the circumferential surface of the main sleeve 4, one end of each pipeline fixing device 5 is inserted into the main sleeve 4 and used for being abutted against a pipeline 3 to be trimmed, and the other end of each pipeline fixing device is arranged on the outer side of the main sleeve 4. The pipe holder 5 is arranged radially movable relative to the main sleeve 4 to fix the pipe 3 to be trimmed within the main sleeve 4.
The cutter head structure 2 rotates circumferentially relative to the pipeline 3 to be trimmed so as to remove the flanging structure on the circumferential outer surface of the pipeline 3 to be trimmed.
In particular to a trimming device for a pipeline. The device consists of a fixed sleeve 1 and a cutter head structure 2. The fixing sleeve 1 comprises a main sleeve 4 and a plurality of line holders 5. Through pipeline fixer 5 along the even arrangement of main sleeve 4 surface circumference surface, the one end of pipeline fixer 5 inserts in the main sleeve 4 and is used for with waiting to repair limit pipeline 3 butt, and the other end sets up in the outside of main sleeve 4. The pipeline fixer 5 is arranged in a radial movable way relative to the main sleeve 4 and is used for fixing the pipeline 3 to be trimmed in the main sleeve 4. The pipeline fixer 5 and the main sleeve 4 are matched with each other, and the pipeline 3 to be trimmed with different diameters can be fixed by the radial movable of the pipeline fixer 5 relative to the main sleeve 4, so that the pipeline 3 to be trimmed is convenient to fix and has the advantage of wide application range.
The trimming device for the pipeline can avoid the phenomena of deflection and over-polishing during polishing of the flanging of the joint of the pipeline 3 to be trimmed, reduce trimming cost and the like.
It should be noted that, in order to facilitate the circumferential rotation of the main sleeve 4 and simultaneously facilitate the limiting of the radial movement of the pipe 3 to be trimmed, the main sleeve 4 has a cylindrical structure with two ends communicating with each other, for example.
It should be noted that, in order to facilitate the connection of the pipe holder 5 with the main sleeve 4, the pipe holder 5 is convenient to move radially along the main sleeve 4, for example, the surface of the main sleeve 4 is further provided with a through hole 6 for matching the movement of the pipe holder 5, and a first locking hole 7 for matching with the locking member 8 so that the pipe holder 5 completes the radial adjustment. The line fixator 5 includes a fixing body 9 and a locking member 8. Outside the through hole 6, the portion of the fixing body 9 which is far from the center of the main sleeve 4 and extends to the outside of the through hole 6 is also provided with a second locking hole which matches the first locking hole 7. During installation, one end of the fixing main body 9 penetrates through the through hole 6 and then abuts against the outer surface of the pipeline 3 to be trimmed, and the other end of the fixing main body 9 penetrates through the second locking hole and the first locking hole 7 in sequence through the locking piece 8 and then is fixed on the surface of the main sleeve 4.
In addition, in order to facilitate adjustment of the radial direction of the fixing body 9 (the radial direction of the main sleeve 4), the first locking hole 7 and the second locking hole are internally provided with female threads. The locking piece 8 is of a bolt structure, and the outer surface of the bolt structure is provided with external threads matched with the internal threads. The rotary bolt structure can drive the fixing main body 9 to radially move along the inner wall of the through hole 6 so as to achieve the purpose of radially adjusting the fixing main body 9, and further facilitate the fixing main body 9 to fix pipelines with different diameters to be trimmed.
In this embodiment, in order to facilitate radial adjustment of the fixing body 9 (radial direction of the main sleeve 4), the fixing body 9 is prevented from sliding down into the main sleeve 4, for example, the cross section of the fixing body 9 along the axial direction of the fixing body 9 is in a convex shape, the large end of the convex shape is located outside the main sleeve 4, and the small end of the convex shape is located inside the main sleeve 4.
As shown in fig. 1, 3 and 4, in order to reduce friction between the fixing body 9 and the pipe 3 to be trimmed, the pipe 3 to be trimmed is convenient to rotate circumferentially, for example, an end face of one end of the fixing body 9, which is used for abutting against the outer surface of the pipe 3 to be trimmed, is also provided with a double-row roller structure.
In the present embodiment, the bit structure 2 includes a cylinder 10 and a cutter body 11. Wherein, the cylinder 10 comprises a hole 12 for adjusting the cutter body 11 along the radial direction of the cylinder 10 and a fixing hole 13 matched with the locking bolt for fixing the cutter body 11. The duct 12 is circumferentially arranged along the cylinder 10, and the fixing hole 13 axially penetrates the duct 12 along the cylinder 10 from the end surface of the cylinder 10 at the end far away from the main sleeve 4. That is, the cylindrical body is circumferentially provided with a plurality of holes 12 and fixing holes 13 provided in matching with the respective holes, and the fixing holes 13 are communicated with the holes 12 (the fixing holes 13 are axially provided, the holes 12 are radially provided), so that the ends of the plurality of cutter heads (the heads of the cutter body) are connected to the outside of the trimming line with respect to the line to be trimmed. Adjusting holes are uniformly formed in the surface of the cutter body 11 along the axial direction of the cutter body 11.
When the cutter body 11 is used, one end of the cutter body 11 penetrates through the pore canal and then is abutted against the pipeline 3 to be trimmed, and the locking bolt sequentially penetrates through the fixing hole 13 and then is screwed into the corresponding adjusting hole to fix the cutter body 11. According to the trimming device disclosed by the application, the radial adjustment of the cutter body 11 along the cylinder 10 can be facilitated through the arrangement of the adjusting holes, so that the degree of the cutter body 11 penetrating into the cylinder 10 can be timely adjusted according to different diameters of the pipelines 3 to be trimmed.
Further, in order to accurately acquire the moving distance of the cutter body 11, for example, in the axial direction of the cutter body 11, graduation marks are provided on the surface of the cutter body 11.
In order to make the connection between the fixing sleeve 1 and the tool bit structure 2 tighter, the fixing is more firm, for example, the fixing sleeve 1 and the tool bit structure 2 are designed in an integrated manner. In addition, in order to clean the flanging structure of the circumferential surface of the pipeline 3 to be trimmed accurately, the pipeline 3 to be trimmed is prevented from being subjected to radial displacement movement in the parts of the main sleeve 4 and the cylinder 10 to cause cutting offset, for example, the fixing sleeve 1 and the cutter head structure 2 are coaxially arranged.
When the tool is applied, the fixing sleeve 1 and the tool bit structure 2 are sleeved on a pipeline to be repaired, and the distance between the fixing main body 9 and the tool body 11 and the pipeline 3 to be repaired is adjusted, so that the fixing main body 9 and the tool body 11 are both abutted to the surface of the pipeline 3 to be repaired. Then holding the pipeline 3 to be trimmed by one hand, holding the trimming device by one hand, rotating the trimming device while polishing the flanging of the pipeline 3 to be maintained, withdrawing the trimming device, and checking the polishing effect of the pipeline 3 to be maintained.
The above embodiments can be combined with each other with corresponding technical effects.
The foregoing is merely illustrative of the embodiments of this utility model and any equivalent and equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model.
Claims (10)
1. A trimming device for pipelines is characterized by comprising a fixing sleeve and a cutter head structure, wherein,
The fixing sleeve is fixedly connected with the cutter head structure and is sleeved on the outer side of the pipeline to be trimmed;
The fixing sleeve comprises a main sleeve and a plurality of pipeline fixing devices, wherein the pipeline fixing devices are uniformly distributed along the circumferential surface of the main sleeve, one end of each pipeline fixing device is inserted into the main sleeve and used for being abutted against the pipeline to be trimmed, the other end of each pipeline fixing device is arranged on the outer side of the main sleeve, and the pipeline fixing devices are arranged in a radially movable mode relative to the main sleeve so as to fix the pipeline to be trimmed, which is positioned in the main sleeve;
the cutter head structure rotates circumferentially relative to the pipeline to be trimmed so as to clear the flanging structure on the circumferential outer surface of the pipeline to be trimmed.
2. The trimming device for a pipeline according to claim 1, wherein the main sleeve has a cylindrical structure with both ends communicating.
3. The trimming device for a pipeline according to claim 1, wherein the main sleeve surface is further provided with a through hole for matching the movement of the pipeline holder and a first locking hole for cooperating with a locking member so that the pipeline holder completes radial adjustment.
4. The trimming device for a pipeline according to claim 3, wherein the pipeline fixer comprises a fixing body and the locking member, a second locking hole matched with the first locking hole is further formed in a portion, extending to the outer side of the through hole, of the fixing body away from the center of the main sleeve, one end of the fixing body penetrates through the through hole and then abuts against the outer surface of the pipeline to be trimmed, and the other end of the fixing body penetrates through the second locking hole and the first locking hole in sequence through the locking member and then fixes the fixing body on the surface of the main sleeve.
5. The trimming device for a pipeline according to claim 4, wherein the first locking hole and the second locking hole are internally provided with internal threads, the locking member is of a bolt structure, and an outer surface of the bolt structure is provided with external threads matched with the internal threads.
6. The trimming device for a pipeline according to claim 4, wherein the cross section of the fixing body is in a convex shape in the axial direction of the fixing body, and a large end of the convex shape is located outside the main sleeve and a small end of the convex shape is located inside the main sleeve.
7. The trimming device for a pipeline according to claim 4, wherein the end face of the fixing body for abutting against the outer surface of the pipeline to be trimmed is further provided with a double-row roller structure.
8. The trimming device for a pipeline according to claim 1, wherein the bit structure comprises a cylinder and a cutter body, wherein,
The cylinder body comprises a pore canal used for radially adjusting the cutter body along the cylinder body and a fixing hole matched with the locking bolt for fixing the cutter body, the pore canal is circumferentially distributed along the cylinder body, and the fixing hole penetrates through the pore canal axially along the cylinder body from the end surface of one end of the cylinder body far away from the main sleeve;
adjusting holes are uniformly formed in the surface of the cutter body along the axial direction of the cutter body;
When the cutter body is used, one end of the cutter body penetrates through the pore canal and then is abutted against the pipeline to be trimmed, and the locking bolt penetrates through the fixing hole in sequence and then is screwed into the corresponding adjusting hole to fix the cutter body.
9. The trimming device for a pipe according to claim 8, wherein the cutter body surface is provided with graduation marks along the axial direction of the cutter body.
10. The trimming device for a pipeline according to claim 1, wherein the fixing sleeve and the bit structure are integrally formed and coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322836894.5U CN221065620U (en) | 2023-10-23 | 2023-10-23 | Trimming device for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322836894.5U CN221065620U (en) | 2023-10-23 | 2023-10-23 | Trimming device for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221065620U true CN221065620U (en) | 2024-06-04 |
Family
ID=91258402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322836894.5U Active CN221065620U (en) | 2023-10-23 | 2023-10-23 | Trimming device for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221065620U (en) |
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2023
- 2023-10-23 CN CN202322836894.5U patent/CN221065620U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240626 Address after: No.13, Ronghua South Road, Daxing Economic and Technological Development Zone, Beijing Patentee after: Blue Arrow Space Technology Co.,Ltd. Country or region after: China Address before: 710100 room l501, 5th floor, R & D building, 456 Hangtian South Road, national civil aerospace industry base, Xi'an, Shaanxi Province Patentee before: SHAANXI LANDSPACE TECHNOLOGY Co.,Ltd. Country or region before: China |