CN220943879U - Clamp for welding cone section cylinder of cap assembly in ship exhaust device - Google Patents
Clamp for welding cone section cylinder of cap assembly in ship exhaust device Download PDFInfo
- Publication number
- CN220943879U CN220943879U CN202322433763.2U CN202322433763U CN220943879U CN 220943879 U CN220943879 U CN 220943879U CN 202322433763 U CN202322433763 U CN 202322433763U CN 220943879 U CN220943879 U CN 220943879U
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- bottom plate
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- supporting
- cone section
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 238000012545 processing Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a clamp for welding a cone section cylinder body of a cap cover assembly in a ship exhaust device, wherein a bottom plate is in a disc shape, screw holes are distributed along the circumferential direction, and supporting blocks are arranged on the bottom plate and fixed at the inner circle position of the bottom plate through welding; the inner and outer molded surfaces of the expansion block are annular sections, and two pairs of long holes symmetrical to the center of the bottom plate are formed in the end face of each expansion block and used for controlling the sliding direction of the expansion block; the expansion blocks are arranged on the bottom plate along the circumference of the supporting jackscrew to form a ring-shaped expansion block; the supporting jackscrew penetrates through the round hole of the supporting block and is connected to the inner molded surface of the expansion block; the cone section cylinder is sleeved on the welding fixture, the inner surface of the cone section cylinder is tightly abutted against the outer surface of the expansion block, and the expansion block is tightly attached to the inner surface of the cone section cylinder by the jackscrew and then fastened by the pressing block and the bolt. The utility model has good bulge roundness, and can ensure that the roundness of the welded part of the cylinder meets the design requirement during welding. The assembly and the disassembly are convenient, the operation is convenient, the cost is saved, and the processing efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of welding clamps, in particular to a clamp for welding a cone section cylinder of a cap cover assembly in a ship exhaust device.
Background
The series of cap cover components are components in the ship exhaust device, and the main structure is that a thin-wall sheet metal cone section cylinder body is welded with a thin-wall reinforcing ring, a mounting seat and an annular mounting edge respectively (figure 1). Thin-wall part material GH625, wall thickness 0.8mm, cone section barrel part adopts multistage panel beating barrel to weld and constitutes (figure 2), and the part requires roundness precision high. The traditional processing method is characterized in that the upper cone section and the lower cone section are directly butt-welded without measures, but because sheet metal materials are thinner, the roundness is difficult to control and deform easily in the butt-welding operation process of parts, and the factors such as local deformation of welding shrinkage exist, concentricity is difficult to ensure, the misalignment is very easy to occur after welding, and the processing quality of the parts cannot be ensured.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a clamp for welding a cone section cylinder body of a cap cover component in a ship exhaust device, which comprises the following specific technical scheme:
A clamp for welding a cone section cylinder of a cap cover assembly in a ship exhaust device comprises a bottom plate, a supporting jackscrew, a supporting block, an expanding block, a pressing block and a bolt;
The bottom plate is in a disc shape, screw holes are distributed along the circumferential direction, and the supporting blocks are arranged on the bottom plate and fixed at the inner circle position of the bottom plate through welding;
The inner and outer molded surfaces of the expansion block are annular sections, and two pairs of long holes symmetrical to the center of the bottom plate are formed in the end face of each expansion block and used for controlling the sliding direction of the expansion block;
the expansion blocks are arranged on the bottom plate along the circumference of the supporting jackscrew to form a ring-shaped expansion block;
The supporting jackscrew penetrates through the round hole of the supporting block and is connected to the inner molded surface of the expansion block;
The cone section cylinder is sleeved on the welding fixture, the inner surface of the cone section cylinder is tightly abutted against the outer surface of the expansion block, and the jackscrew tightly sticks the expansion block to the inner surface of the cone section cylinder and then is fastened through the pressing block and the bolt.
The clamp for welding the cone section cylinder body of the cap cover component in the ship exhaust device is characterized in that the outer surface of the annular expansion block is matched with the molded surface of the cone section cylinder body in size.
A clamp for welding a cone section cylinder body of a cap cover assembly in a ship exhaust device is characterized in that the pressing block is annular.
A clamp for welding a cone section cylinder body of a cap cover assembly in a ship exhaust device is characterized in that the feeding direction of a supporting jackscrew faces to the excircle position of a bottom plate, and the supporting jackscrew can drive an expansion block to slide on a supporting block along the inside and outside of the bottom plate.
A work process that is arranged in naval vessel exhaust apparatus cap cover assembly's awl section barrel welding to use anchor clamps: during processing, firstly, the expansion blocks of the clamp slide into the bottom plate and are placed in the cone-section cylinder, then the expansion blocks are respectively stuck to the inner surface of the cone-section cylinder through supporting jackscrews and fastened by using pressing blocks and bolts, and after the roundness and stability of the cone-section cylinder are ensured, welding processing can be performed. After the welding is finished, the adjusting bolt loosens the pressing block, the jackscrew is adjusted, the expanding block is retracted, and the clamp can be detached.
Advantageous effects
The welding fixture disclosed by the utility model uses the expansion blocks with the outer circular molded surfaces conforming to the lower cone section molded surfaces, and the expansion blocks are tightly attached to the inner surfaces of the lower cone sections by using jackscrews, so that the roundness and stability of the lower cone sections are ensured, after the fastening state is completed, the upper cone sections and the lower cone sections are subjected to butt joint positioning welding, and argon arc welding is performed after the correction, so that the processing quality is well ensured, and the requirements of drawing are met.
The utility model has simple structure and good roundness of the bulge, and can ensure that the roundness of the welded part of the cylinder meets the design requirement during welding. The assembly and the disassembly are convenient, the operation is convenient, the cost is saved, and the processing efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a cap assembly in a ship exhaust;
FIG. 2 is a schematic diagram of a cone section cylinder part welded by a multi-section sheet metal cylinder;
FIG. 3 is a front view of a fixture for welding cone barrels for cap assemblies in a ship exhaust;
FIG. 4 is a top view of FIG. 3;
Fig. 5 is a schematic diagram of a cone section cylinder expansion structure using a welding jig.
In the figure: 1-bottom plate, 2-supporting jackscrew, 3-supporting block, 4-expansion block, 5-briquetting, 6-bolt, 7-cone section barrel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 3-5, a clamp for welding a cone section cylinder of a cap cover assembly in a ship exhaust device comprises a bottom plate 1, a supporting jackscrew 2, a supporting block 3, an expanding block 4, a pressing block 5 and a bolt 6;
the bottom plate 1 is in a disc shape, screw holes are distributed along the circumferential direction, and the supporting blocks 3 are arranged on the bottom plate 1 and fixed at the inner circle position of the bottom plate 1 through welding;
The inner and outer molded surfaces of the expansion blocks 4 are annular sections, and two pairs of long holes which are symmetrical to the center of the bottom plate 1 are formed in the end surface of each expansion block 4 and are used for controlling the sliding direction of the expansion block 4;
The expansion blocks 4 are arranged on the bottom plate 1 along the circumference of the supporting jackscrew 2 to form a circular ring-shaped expansion block;
the supporting jackscrew 2 penetrates through the round hole of the supporting block 3 and is connected to the inner molded surface of the expansion block 1;
The cone section cylinder 7 is sleeved on the welding fixture, the inner surface of the cone section cylinder 7 abuts against the outer surface of the expansion block 4, and the support jackscrew 2 is used for tightly attaching the expansion block 4 to the inner surface of the cone section cylinder 7 and then fastening the expansion block through the pressing block 5 and the bolt 6.
The outer profile of the annular expansion block is matched with the profile of the conical section cylinder 7 in size.
The pressing block 5 is annular.
The feeding direction of the supporting jackscrew 2 faces to the excircle position of the bottom plate 1, and the supporting jackscrew 2 can drive the expansion block 4 to slide on the supporting block 3 along the inside and outside of the bottom plate 1.
A work process that is arranged in naval vessel exhaust apparatus cap cover assembly's awl section barrel welding to use anchor clamps: during processing, firstly, the expansion blocks of the clamp slide into the bottom plate and are placed in the cone-section cylinder, then the expansion blocks are respectively stuck to the inner surface of the cone-section cylinder through supporting jackscrews and fastened by using pressing blocks and bolts, and after the roundness and stability of the cone-section cylinder are ensured, welding processing can be performed. After the welding is finished, the adjusting bolt loosens the pressing block, the jackscrew is adjusted, the expanding block is retracted, and the clamp can be detached.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A anchor clamps for welding of awl section barrel that is arranged in naval vessel exhaust apparatus cap subassembly, its characterized in that: comprises a bottom plate, a supporting jackscrew, a supporting block, an expanding block, a pressing block and a bolt;
The bottom plate is in a disc shape, screw holes are distributed along the circumferential direction, and the supporting blocks are arranged on the bottom plate and fixed at the inner circle position of the bottom plate through welding;
The inner and outer molded surfaces of the expansion block are annular sections, and two pairs of long holes symmetrical to the center of the bottom plate are formed in the end face of each expansion block and used for controlling the sliding direction of the expansion block;
the expansion blocks are arranged on the bottom plate along the circumference of the supporting jackscrew to form a ring-shaped expansion block;
The supporting jackscrew penetrates through the round hole of the supporting block and is connected to the inner molded surface of the expansion block;
The cone section cylinder is sleeved on the welding fixture, the inner surface of the cone section cylinder is tightly abutted against the outer surface of the expansion block, and the expansion block is tightly attached to the inner surface of the cone section cylinder by the jackscrew and then fastened by the pressing block and the bolt.
2. The fixture for welding a cone section cylinder of a cap assembly in a ship exhaust device according to claim 1, wherein: the outer surface of the annular expansion block is matched with the molded surface of the cone section cylinder in size.
3. The fixture for welding a cone section cylinder of a cap assembly in a ship exhaust device according to claim 1, wherein: the pressing block is annular.
4. The fixture for welding a cone section cylinder of a cap assembly in a ship exhaust device according to claim 1, wherein: the feeding direction of the supporting jackscrew faces to the excircle position of the bottom plate, and the supporting jackscrew can drive the expansion block to slide on the supporting block along the inside and outside of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322433763.2U CN220943879U (en) | 2023-09-07 | 2023-09-07 | Clamp for welding cone section cylinder of cap assembly in ship exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322433763.2U CN220943879U (en) | 2023-09-07 | 2023-09-07 | Clamp for welding cone section cylinder of cap assembly in ship exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220943879U true CN220943879U (en) | 2024-05-14 |
Family
ID=91021770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322433763.2U Active CN220943879U (en) | 2023-09-07 | 2023-09-07 | Clamp for welding cone section cylinder of cap assembly in ship exhaust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220943879U (en) |
-
2023
- 2023-09-07 CN CN202322433763.2U patent/CN220943879U/en active Active
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