CN210524198U - Special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining school circle frock - Google Patents
Special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining school circle frock Download PDFInfo
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- CN210524198U CN210524198U CN201920862383.1U CN201920862383U CN210524198U CN 210524198 U CN210524198 U CN 210524198U CN 201920862383 U CN201920862383 U CN 201920862383U CN 210524198 U CN210524198 U CN 210524198U
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Abstract
Special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining is to school circle frock, and this frock includes a plurality of lock rings (1) and connects support quarter butt (3) of a plurality of lock rings (1), and the axial array setting of lock ring (1) is followed in a plurality of lock rings (1), and concrete advantage is as follows: (1) the structure is reasonable, the operation and the assembly and disassembly are convenient, and the production cost is low; (2) the roundness of the cylinder section can be adjusted in time during the assembly process by using the assembly roundness correction tool, so that the serious deformation of the laser welding net piece can be avoided; (3) the tool belongs to an unquantized internal-support type group roundness correction tool, and an external reaming hole is reserved and can be adjusted and applied according to large net barrels with different sizes.
Description
Technical Field
The utility model mainly relates to a special group is to school circle frock especially relates to and is applicable to special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining and is to school circle frock, belongs to mechanical technology engineering technical field.
Background
The large petrochemical reactor cylinder has large diameter and thin wall, so that serious deviation exists in the semi-finished mesh rolling and rounding process, and repeated adjustment and correction are needed during assembly and welding of the cylinder. To ensure the manufacturing accuracy, it is usually necessary to control the welding deformation and to adopt the post-welding correction. Due to the fact that laser welding stress is too large, the deformation prevention effect of a common tool clamp is not ideal, welding stress is huge due to a large amount of heat input during welding, welding deformation is serious, the roundness of the final outline dimension of a part is out of tolerance, a net barrel is finally scrapped, economic loss which is difficult to measure is caused, and a large amount of labor time cost is consumed.
At the present stage, for the outer net cylinder section structural member of a similar large petrochemical reactor, the automatic circle correcting equipment is mature in technology and advanced in equipment in the shape correcting manufacturing field, namely, the automatic circle correcting equipment belongs to a precise shape correcting tool, the size of the shape correcting tool is controlled accurately, but the structure is complex, the using process is complex, the efficiency is low, and in addition, the shape correcting equipment is not suitable for being subjected to laser welding processing together with a semi-finished product.
In foreign countries, the traditional manual circle calibration is mostly adopted for the circle calibration of the outer net barrel structural part of the large-scale reactor, or an extremely simple shape calibration tool is used, but the shape calibration amount is not well controlled, and the problems of excessive shape calibration and even product damage are easy to occur.
Therefore, the non-quantization special group with simple structure, accurate size control and good universality is particularly important for the roundness correction tool.
Disclosure of Invention
Utility model purpose: the utility model provides a special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining is to school circle frock, the purpose is solved the problem that exists in the past.
The technical scheme is as follows: the utility model discloses a realize through following technical scheme:
the tool comprises a plurality of support rings and support short rods connected with the support rings, wherein the support rings are arranged along the axial direction of the support long rods in an array mode. (i.e., arranged sequentially back and forth in the axial direction).
The outer circle surface of the support ring is provided with a pressure plate, and when the internal part product assembly is used for circle calibration, the outer surface of the pressure plate is tightly attached to the inner surface of the internal part product, so that the functions of supporting and circle calibration are achieved.
The support ring is formed by connecting a plurality of arc sections with equal radian end to end.
Each arc section comprises a ring plate, a pressure plate and a fastening block; cutting required circular holes in the annular plate through laser two-dimensional cutting, wherein the circular holes comprise support rod holes for penetrating through the support long rods, annular plate bolt holes for connection between arc sections and reserved outer reams for connecting an outer reaming support body in the subsequent product processing;
and the outer edge of the ring plate is welded with fastening blocks at equal intervals, bolt holes are formed in the center positions of the fastening blocks and correspond to the bolt holes of the pressing plate, and the ring plate is fastened and fixed with the pressing plate through the threaded matching of the bolt groups and the bolt holes of the fastening blocks after penetrating through the bolt holes of the pressing plate, so that the arc section is manufactured.
The fastening blocks are arranged at equal intervals on the outer edge of the ring plate.
Two ends of each section of ring plate are provided with concave openings;
the two adjacent ring plates are connected through a temporary fixing device, the temporary fixing device comprises a bolt group, a circular gasket, a clamping piece and a fixing block, two sides of the fixing block are provided with protrusions capable of extending into concave openings, the fixing block is arranged at the joint between the two adjacent ring plates during installation, the protrusions at two sides of the fixing block respectively extend into the concave openings of the left ring plate and the right ring plate, the clamping piece is arranged on the outer side (the direction perpendicular to the figure 5 is the direction of the inner side and the outer side, namely the direction which is the same as the axial direction of the support ring is the direction of the inner side and the outer side, the outer side is the side facing us in the figure 5 and the figure 6 and is the side shown in the figure 7) of the joint of the clamping piece on the two adjacent ring plates (clinging to the left ring plate and the right ring plate) and in parallel butt joint with two ends of the two ring plates, and the clamping piece is;
the circular gasket is arranged on the inner side (the side opposite to the clamping piece, namely the side back to us in the figure 6) of the joint of the two ring plates, the circular gasket is lapped on the two adjacent ring plates (clinging to the left and right ring plates) and is in parallel butt joint with the two ends of the two ring plates, and the fastening bolt sequentially penetrates through the circular gasket, the fixing block and the clamping piece to fasten the three together.
The support ring is composed of eight arc sections with equal radian.
The support stock between two adjacent lock rings is overlapped and is had the support quarter butt, and the length of a plurality of support quarter butts is the same for a plurality of lock rings equidistance array sets up.
The advantages and effects are as follows:
the utility model provides a special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining is to school circle frock, its aim at develop high stability, simple structure, with low costs, longe-lived a special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining is to school circle frock. The pair of rounding tools is simple and convenient to operate and can be conveniently and timely mounted and dismounted; the roundness of the cylinder section can be adjusted in time during the assembly process by using the assembly roundness correction tool, so that the serious deformation of the laser welding net piece can be avoided; meanwhile, the tool belongs to a non-quantitative internal-support type group roundness correction tool, an external reaming hole is reserved and can be adjusted and applied according to large net cylinders with different sizes, and the specific usage of the external reaming hole is that a connecting piece is connected to the external reaming hole, and another supporting ring with a larger diameter is arranged on the connecting piece to form a structure of supporting rings on the inner side and the outer side.
The method has the following specific advantages:
1. the structure is reasonable, the operation is convenient, the assembly and the disassembly are convenient, and the production cost is low;
2. the roundness of the cylinder section can be adjusted in time during the assembly process by using the assembly roundness correction tool, so that the serious deformation of the laser welding net piece can be avoided;
3. the tool belongs to an unquantized internal-support type group roundness correction tool, and an external reaming hole is reserved and can be adjusted and applied according to large net barrels with different sizes.
Drawings
FIG. 1 is a schematic view of the overall structure of the special-purpose group rounding tool of the present invention;
FIG. 2 is a schematic view of the structure of the support ring of the present invention;
FIG. 3 is a vertical schematic view of the circle-checking tool for special assembly of the present invention;
FIG. 4 is a front view, a side view and a top view of the support ring according to the present invention;
FIG. 5 is a front view of the junction between two arc segments of the present invention;
FIG. 6 is a reverse view of the junction between two arc segments of the present invention;
FIG. 7 is an enlarged view of the attachment location of the two ring plates, i.e., the position of the circle in FIG. 1;
FIG. 8 is a schematic view showing an arc-shaped dental plate bolt hole.
Description of reference numerals:
in fig. 1-8: 1-support ring, 1-1 bolt group, 1-2 circular gasket, 1-3 clamping piece, 2-arc section, 2-1 ring plate, 2-2 pressing plate, 2-3 fastening block, 2-4 arc tooth plate bolt hole, 2-5 support rod hole, 2-6 ring plate bolt hole, 2-7 reserved external reaming, 3-support short rod and 4-support long rod.
The specific implementation mode is as follows: the invention will be further explained with reference to the drawings:
the utility model provides a special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining is to school circle frock, this frock includes a plurality of lock rings 1 and connects the support quarter butt 3 of a plurality of lock rings 1, and a plurality of lock rings 1 are along (supporting the 4 axial of stock) axial array settings. (i.e., arranged sequentially back and forth in the axial direction).
The outer circle surface of the support ring 1 is provided with a pressure plate 2-2, when the internal part product assembly is used for circle calibration, the outer surface of the pressure plate 2-2 is tightly attached to the inner surface of the internal part product, and the functions of supporting and circle calibration are achieved.
The support ring 1 is formed by connecting end to end multi-petal arc sections 2 with equal radian.
Each arc section comprises a ring plate 2-1, a pressing plate 2-2 and a fastening block 2-3; the circular plate 2-1 is cut into required circular holes through laser two-dimensional cutting, and the circular holes comprise support rod holes 2-5 for penetrating through a support long rod 4, circular plate bolt holes 2-6 for connection between arc sections and reserved outer reams 2-7 for connecting an outer ream support body in the subsequent product processing;
and fastening blocks 2-3 are welded at the outer edge of the ring plate 2-1 at equal intervals, bolt holes are formed in the center positions of the fastening blocks 2-3 and correspond to the bolt holes of the pressure plate 2-2, and the ring plate 2-1 and the pressure plate 2-2 are fastened and fixed through threaded matching of bolt groups penetrating through the bolt holes of the pressure plate 2-2 and the bolt holes of the fastening blocks 2-3, so that the manufacture of the arc section 2 is completed.
The fastening blocks 2-3 are arranged at equal intervals on the outer edge of the ring plate 2-1.
Two ends of each section of the ring plate 2-1 are provided with concave openings 2-8;
the two adjacent ring plates 2-1 are connected through a temporary fixing device, the temporary fixing device comprises a bolt group 1-1, a circular gasket 1-2, a clamping piece 1-3 and a fixing block 1-4, two sides of the fixing block 1-4 are provided with protrusions 1-4-1 capable of extending into concave openings 2-8, when the temporary fixing device is installed, the fixing block 1-4 is arranged at the joint between the two adjacent ring plates 2-1, the protrusions 1-4-1 at two sides of the fixing block 1-4 respectively extend into the concave openings 2-8 of the left and right ring plates 2-1, the clamping piece 1-3 is installed at the outer side of the joint of the two ring plates 2-1 (the direction perpendicular to the figure 5 is the direction of the inner side and the outer side, namely the direction is the direction of the inner side and the outer side which is the same as the axial direction of the support ring, the outer side is the side facing us in fig. 5 and fig. 6, and is also the side shown in fig. 7) the clamping piece 1-3 is lapped on the two adjacent ring plates 2-1 (clings to the left and right ring plates 2-1) and is in parallel butt joint with the two ends of the two ring plates 2-1, and the clamping piece 1-3 is fixed on the two ring plates 2-1 through the bolt group 1-1;
the round gasket 1-2 is arranged at the inner side of the joint of the two ring plates 2-1 (the side opposite to the clamping piece, namely the side back to us in figure 6), the round gasket 1-2 is lapped on the two adjacent ring plates 2-1 (clinging to the left and right ring plates 2-1) and is in parallel butt joint with the two ends of the two ring plates 2-1, and the fastening bolt 1-4-2 sequentially penetrates through the round gasket 1-2, the fixing block 1-4 and the clamping piece 1-3 to fasten the round gasket 1-2, the fixing block 1-4 and the clamping piece 1-3 into a whole.
The support ring 1 is composed of eight arc sections 2 with equal radian.
The long support rod 4 between two adjacent support rings is sleeved with a short support rod 3, and the length of the short support rods 3 is the same, so that the support rings are arranged in an equidistant array mode.
Assembling: the support short rod 3 is a hollow thick-wall rod, the diameter of the support short rod is larger than that of the support long rod 4, and the support long rod 4 can penetrate through the support short rod; the diameter of the long support rod 4 is matched with the diameter of the support plate hole 2-5.
16 long support rods 4 penetrate into 1 support ring 1 through support rod holes 2-5, then penetrate into the short support rods 3 with equal length on the long support rods 4, and then sequentially penetrate into the support rings 1 and the short support rods 3 to reach the required height (the height is the distance along the axial direction of the long support rods 4); welding and fixing the contact positions of all the support short rods 3 and the ring plate 2-1 by adopting a laser welding process; and the long supporting rod is taken out after the group is matched with the rounding tool.
Referring to the drawings, as shown in fig. 1, the special pair roundness correcting device comprises a support ring 1, a support short rod 3 and a support long rod 4.
As shown in fig. 2 and 4, the support ring 1 is composed of eight arc segments 2 with equal radian. Each arc section comprises a ring plate 2-1, a pressing plate 2-2 and a fastening block 2-3. Cutting a required circular hole in the ring plate 2-1 through laser two-dimensional cutting, wherein the circular hole comprises a support rod hole 2-5, a ring plate bolt hole 2-6 and a reserved outer reaming hole 2-7; the support rod hole 2-5 is used for penetrating through the support long rod 4; and reserving 2-7 external reamers for connecting external reamers in the subsequent product processing. And (3) welding fastening blocks 2-3 at the outer edge of the ring plate 2-1 at equal intervals, wherein bolt holes are formed in the center positions of the fastening blocks 2-3 and correspond to the bolt holes of the pressure plate 2-2, and the ring plate 2-1 and the pressure plate 2-2 are fastened and fixed through bolt groups at the positions to finish the manufacture of the arc section 2.
As shown in figures 5 and 6, two ends of a ring plate 2-1 of each arc section 2 are arranged in a concave shape, and the eight arc sections are fixedly connected through a bolt group 1-1, a circular gasket 1-2 and a clamping piece 1-3. The clamping pieces 1-3 are in parallel butt joint with two ends of the two arc sections 2; the clamping pieces 1-3 are tightly attached to the fixing blocks 1-4, and the fixing blocks 1-4 are tightly attached to the circular gaskets 1-2; four groups of bolt groups 1-1 are connected with the fixed blocks 1-4 and the two arc sections 2 and the ring plates 2-1; a group of bolt groups 1-4-2 penetrate through the clamping pieces 1-3 and the round gaskets 1-2 through the centers of the fixing blocks 1-4 to ensure that the fixing blocks are connected and fixed.
As shown in fig. 3, the short supporting rod 3 is a hollow thick-walled rod, has a diameter larger than that of the long supporting rod 4, and can penetrate through the long supporting rod 4; the diameter of the long support rod 4 is the same as that of the holes 2-5 of the support plate.
16 long support rods 4 penetrate into 1 support ring 1 through support rod holes 2-5, then support short rods 3 with equal length penetrate into the long support rods 4, and then the support rings 1 and the support short rods 3 sequentially penetrate into the support rings 1 and the support short rods 3 to reach the required height; welding and fixing the contact positions of all the support short rods 3 and the ring plate 2-1 by adopting a laser welding process; and the long supporting rod is taken out after the group is matched with the rounding tool.
The utility model provides a special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining is to school circle frock, this special group is to school circle device including the lock ring 1, support quarter butt 3 and support stock 4 and constitute, its aim at develop high stability, simple structure, with low costs, longe-lived a special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining is to school circle frock. The pair of rounding tools is simple and convenient to operate and can be conveniently and timely mounted and dismounted; the roundness of the cylinder section can be adjusted in time during the assembly process by using the assembly roundness correction tool, so that the serious deformation of the laser welding net piece can be avoided; meanwhile, the tool belongs to an unquantized internal-support type group roundness correction tool, and an external reaming hole is reserved and can be adjusted and applied according to large net barrels with different sizes.
Claims (5)
1. The utility model provides a special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining is to school circle frock which characterized in that: the tool comprises a plurality of support rings (1) and support short rods (3) connected with the support rings (1), wherein the support rings (1) are arranged in an axial array;
a pressure plate (2-2) is arranged on the outer circular surface of the support ring (1);
the support ring (1) is formed by connecting multi-petal arc sections (2) with equal radian end to end;
each arc section comprises a ring plate (2-1), a pressure plate (2-2) and a fastening block (2-3);
the outer edge of the ring plate (2-1) is welded with a fastening block (2-3), the center of the fastening block (2-3) is provided with a bolt hole corresponding to the bolt hole of the pressure plate (2-2), and the ring plate (2-1) and the pressure plate (2-2) are fastened and fixed through the threaded matching of the bolt group, which penetrates through the bolt hole of the pressure plate (2-2), and the bolt group and the bolt hole of the fastening block (2-3).
2. The special group of large petrochemical reactor net barrel internals laser processing circle calibration frock of claim 1, characterized in that: the fastening blocks (2-3) are arranged at the outer edge of the ring plate (2-1) at equal intervals.
3. The special group of large petrochemical reactor net barrel internals laser processing circle calibration frock of claim 2, characterized in that: two ends of each section of the ring plate (2-1) are provided with concave openings (2-8);
the two adjacent ring plates (2-1) are connected through a temporary fixing device, the temporary fixing device comprises a bolt group (1-1), a circular gasket (1-2), clamping pieces (1-3) and fixing blocks (1-4), two sides of each fixing block (1-4) are provided with protrusions (1-4-1) capable of extending into concave openings (2-8), the fixing blocks (1-4) are arranged at the joint between the two adjacent ring plates (2-1), the protrusions (1-4-1) at two sides of each fixing block (1-4) respectively extend into the concave openings (2-8) of the left and right ring plates (2-1), the clamping pieces (1-3) are arranged at the joint of the two ring plates (2-1), the clamping pieces (1-3) at the outer side of the joint of the two ring plates (2-1) are lapped on the two adjacent ring plates (2-1), the clamping pieces (1-3) are fixed on the two ring plates (2-1) through bolt groups (1-1);
the round gasket (1-2) is arranged on the inner side of the joint of the two ring plates (2-1), the round gasket (1-2) is lapped on the two adjacent ring plates (2-1), and the fastening bolt (1-4-2) sequentially penetrates through the round gasket (1-2), the fixing block (1-4) and the clamping piece (1-3) to be fastened into a whole.
4. The special group of large petrochemical reactor net barrel internals laser processing circle calibration frock of claim 1, characterized in that: the support ring (1) is composed of eight arc sections (2) with equal radian.
5. The special group of large petrochemical reactor net barrel internals laser processing circle calibration frock of claim 1, characterized in that: the length of the plurality of support short rods (3) is the same, so that the plurality of support rings are arranged in an equidistant array.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862383.1U CN210524198U (en) | 2019-06-10 | 2019-06-10 | Special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining school circle frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862383.1U CN210524198U (en) | 2019-06-10 | 2019-06-10 | Special group of large-scale petrochemical industry reactor net section of thick bamboo internals laser beam machining school circle frock |
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| CN210524198U true CN210524198U (en) | 2020-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117961393A (en) * | 2024-04-01 | 2024-05-03 | 江苏威士智能装备有限公司 | Automatic welding device and working method |
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2019
- 2019-06-10 CN CN201920862383.1U patent/CN210524198U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117961393A (en) * | 2024-04-01 | 2024-05-03 | 江苏威士智能装备有限公司 | Automatic welding device and working method |
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