A tooling for laser cladding of a docking skirt

CN224930647UActive Publication Date: 2026-11-03TIANJIN SHIPREPAIRING TECH RES INST
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522494882.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-25
Publication Date
2026-11-03
Estimated Expiration
2035-11-25

AI Technical Summary

Technical Problem

In harsh marine environments, the upper and lower flange faces of the docking skirt are not parallel and are at a 25-degree angle, which causes the distance between the cladding head and the flange face to be inconsistent during laser cladding, making it difficult to carry out effective laser cladding. Furthermore, it is difficult to quickly align the flange center with the center of the rotating platform.

Method used

Design a tooling that includes a base disc and an inclined disc, which are connected to an electric turntable by bolts. Use bearings and positioning screws to adjust the flange surface of the mating skirt to be horizontal, ensuring that the distance between the cladding head and the flange surface is consistent during rotation. Also, use positioning screws to adjust the center of the upper flange to be consistent with the center of the electric turntable.

Benefits of technology

It enables horizontal adjustment and rapid concentric alignment of the mating skirt flange surface, ensuring the stability and consistency of the laser cladding process and improving the efficiency and effectiveness of laser cladding.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224930647U_ABST
    Figure CN224930647U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of tooling for butt skirt laser cladding, including with laser cladding electric rotary table fixed connection's base disc, be fixedly connected with an oblique disc of oblique arrangement in the top of base disc through connecting structure, three connecting blocks are respectively welded on the top wall of oblique disc, positioning screw rod threaded connection is screwed on each connecting block, three right-angle fastening pressing plate are connected with oblique disc, so that the horizontal plate of right-angle fastening pressing plate can be pressed and be arranged in the top wall edge of lower flange of butt skirt to be installed on oblique disc, two mounting screws are installed in oblique disc, there is a bearing on the light pole section of each mounting screw upper portion respectively, the outer edge of the two bearings is in contact with the outer edge of lower flange of butt skirt to be installed on oblique disc and is arranged. By the device, upper flange center can be adjusted to be consistent with electric rotary table center quickly.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to a tooling for laser cladding, and more particularly to a tooling for laser cladding of underwater skirt products. Background Technology

[0002] like Figure 3 As shown, the docking skirt is a crucial component of the life bell system, welded from a high-strength steel spherical shell 24, an upper flange 25, and a lower flange 26. In harsh marine environments, laser cladding technology is required to enhance the seawater corrosion resistance of the upper and lower flange surfaces. However, because the upper and lower flange faces are not parallel, forming a 25-degree angle, if laser cladding is performed directly on an electric turntable, the flange to be processed will rotate at a 25-degree angle to the horizontal plane, resulting in an inconsistent distance between the cladding head and the flange face, making laser cladding impossible. Furthermore, the docking skirt is large and heavy, making it difficult to align the flange center with the center of the rotating platform. Therefore, a tooling solution is needed to address these issues. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a tooling for laser cladding of the mating skirt that can achieve horizontal adjustment of the flange surface of the mating skirt and rapid concentric alignment with the electric turntable.

[0004] To achieve the above functions, the technical solution adopted by this utility model is as follows:

[0005] This utility model discloses a tooling for laser cladding of a butt skirt, comprising a base disc with six connecting holes evenly spaced along the same circumferential direction. The six connecting holes are used to fix the tooling to a laser cladding electric turntable via bolts. An inclined disc is fixedly connected above the base disc via a connecting structure. The center of the inclined disc is on the same vertical axis as the center of the base disc. The inclined disc has the same inclination angle as the lower flange of the butt skirt to be installed on the inclined disc.

[0006] Three connecting blocks are welded at the lowest point of the outer edge of the top wall of the inclined disk and at the two ends of the 180-degree arc formed with the lowest point as the center point. Each connecting block has an internal threaded hole along the radial direction of the inclined disk, and the internal threaded hole of each connecting block is threadedly connected to a positioning screw.

[0007] With the center of the inclined disc as the center, three threaded holes are evenly spaced along the same circumference on the inclined disc. A right-angle fastening plate is set at the position corresponding to each threaded hole. Three bolts pass through the threaded holes on the horizontal plate of the right-angle fastening plate and are threaded to the threaded holes at their bottoms. The horizontal plate can press the top edge of the lower flange of the mating skirt to be installed on the inclined disc, and the bottom of the vertical plate of the right-angle fastening plate is pressed against the bottom and top wall of the inclined disc. With a point on the line connecting the lowest point of the inclined disc and the center of the inclined disc as the center point of the arc, a vertically arranged mounting screw is installed on the inclined disc on both sides of the center point of the arc. A bearing is set on the upper bare section of each mounting screw. The outer edges of the two bearings are in contact with the outer edge of the lower flange of the mating skirt to be installed on the inclined disc.

[0008] The advantages of this invention are: the mating skirt is placed on an inclined disc, and two bearings hold the outer edge of the lower flange. The mating skirt can be easily rotated manually, allowing for quick adjustment of the upper flange surface to be level, ensuring that the distance between the laser cladding head and the upper flange surface is consistent during rotation. Three positioning screws hold the outer edge of the lower flange, and rotating the nuts on the positioning screws pushes the mating skirt, allowing for quick adjustment of the upper flange center to align with the center of the electric turntable. Attached Figure Description

[0009] Figure 1 This is a perspective view of the front of a tooling for laser cladding of a docking skirt according to this utility model.

[0010] Figure 2 This is a perspective view of a tooling for laser cladding of a docking skirt according to the present invention;

[0011] Figure 3 This is a utility model Figure 1 The diagram shows the usage status of the tooling. Detailed Implementation

[0012] The structure of this utility model will be described below with reference to the accompanying drawings.

[0013] As shown in the attached drawings, a tooling for laser cladding of a buttress according to this utility model includes a base disk 1. Six connecting holes are evenly distributed along the same circumferential direction on the base disk 1. These six connecting holes are used to fix the base disk to the laser cladding electric turntable via bolts. Preferably, the six connecting holes are rectangular holes extending inward from the outer edge of the base disk (e.g.,...). Figure 2The first rectangular hole 2, the second rectangular hole 3, the third rectangular hole 4, the fourth rectangular hole 5, the fifth rectangular hole 6, and the sixth rectangular hole 7 shown are connected to an inclined disc 12 above the base disc via a connecting structure. The center of the inclined disc 12 is on the same vertical axis as the center of the base disc 1. The inclined disc has the same inclination angle as the lower flange of the mating skirt to be installed on the inclined disc.

[0014] The connection structure may include four vertical pipes (e.g., evenly welded along the same circumferential direction of the base disc 1) Figure 2 The first riser 8, second riser 9, third riser 10, and fourth riser 11 are shown. The inclined disc 12 is welded to the top of the four risers. If the lower flange of the mating skirt to be installed on the inclined disc forms a 25-degree angle with the horizontal plane, the angle between the inclined disc surface and the base disc surface is also 25 degrees.

[0015] Three connecting blocks are welded at the lowest point of the outer edge of the top wall of the inclined disk and at the two endpoints of a 180-degree arc formed with the lowest point as the center (i.e., the lowest point and two outer edge positions 90 degrees apart from the lowest point). Each connecting block has an internally threaded hole along the radial direction of the inclined disk. The connecting blocks can be rectangular blocks (e.g.,...). Figure 1 The first rectangular block 13, the second rectangular block 14, and the third rectangular block 15 shown in the diagram, each connecting block has an internal threaded hole that is threadedly connected to a positioning screw (e.g., ...). Figure 1 The first positioning screw 16, the second positioning screw 17, and the third positioning screw 18 are shown. Preferably, a nut is welded to the outer end of each positioning screw to facilitate rotation of the positioning screw, and the inner end of each positioning screw is rounded to tighten against the lower flange of the mating skirt to be installed on the inclined disc.

[0016] With the center of the inclined disk as the center, three threaded holes are evenly spaced along the same circumference on the inclined disk, and a right-angle fastening plate is provided at the position corresponding to each threaded hole (e.g., Figure 1 The first pressure plate 19, the second pressure plate 20, and the third pressure plate 21 shown are connected by three bolts, each passing through an upper threaded hole on a horizontal plate of the right-angle fastening pressure plate, with the bottom threaded into the lower threaded hole. The horizontal plate presses against the top edge of the lower flange of the mating skirt to be installed on the inclined disc, and the bottom of the vertical plate of the right-angle fastening pressure plate presses against the bottom and top wall of the inclined disc. Taking a point on the line connecting the lowest point of the inclined disc and its center as the center point of the arc, a vertically oriented mounting screw is installed on each of the inclined discs on either side of the center point of the arc. Each mounting screw has a bearing (e.g., a bearing on the upper smooth section) on its upper part. Figure 1(As shown in the diagram, the first bearing 22 and the second bearing 23). The outer edges of the two bearings are positioned to contact the outer edge of the lower flange of the mating skirt to be installed on the inclined disc.

[0017] Preferably, the rotation centers of the two bearings are 45 degrees apart from the center point of the arc.

[0018] The working principle of this structure is as follows:

[0019] Place the mating skirt on the inclined disc 12, with two bearings pressing against the outer edge of the lower flange. Manually rotate the mating skirt to adjust the upper flange surface to be horizontal, ensuring that the distance between the laser cladding head and the upper flange surface remains consistent during rotation. Push the outer edge of the lower flange using three positioning screws, causing the mating skirt to move horizontally. Quickly align the center of the upper flange with the center of rotation of the laser cladding electric turntable (used to fix the load and rotate the laser cladding fixture of the mating skirt). Whether the centers are aligned can be verified using a dial indicator along the outer edge of the flange. Then tighten the screws to press the horizontal plate of the right-angle fastening plate firmly against the top wall at the outer edge of the lower flange.

Claims

1. A fixture for laser cladding of docking skirts, characterized in that: The system includes a base disc with six connecting holes evenly spaced along the same circumference. These six connecting holes are used to fix the system to a laser cladding electric turntable via bolts. An inclined disc is fixedly connected above the base disc via a connecting structure. The center of the inclined disc is on the same vertical axis as the center of the base disc. The inclined disc has the same inclination angle as the lower flange of the mating skirt to be installed on the inclined disc. Three connecting blocks are welded at the lowest point of the outer edge of the top wall of the inclined disk and at the two ends of the 180-degree arc formed with the lowest point as the center point. Each connecting block has an internal threaded hole along the radial direction of the inclined disk, and the internal threaded hole of each connecting block is threadedly connected to a positioning screw. With the center of the inclined disc as the center, three threaded holes are evenly spaced along the same circumference on the inclined disc. A right-angle fastening plate is set at the position corresponding to each threaded hole. Three bolts pass through the threaded holes on the horizontal plate of the right-angle fastening plate and are threaded to the threaded holes at their bottoms. The horizontal plate can press the top edge of the lower flange of the mating skirt to be installed on the inclined disc, and the bottom of the vertical plate of the right-angle fastening plate is pressed against the bottom and top wall of the inclined disc. With a point on the line connecting the lowest point of the inclined disc and the center of the inclined disc as the center point of the arc, a vertically arranged mounting screw is installed on the inclined disc on both sides of the center point of the arc. A bearing is set on the upper bare section of each mounting screw. The outer edges of the two bearings are in contact with the outer edge of the lower flange of the mating skirt to be installed on the inclined disc.

2. The tooling for laser cladding of docking skirts according to claim 1, characterized in that: The six connecting holes are rectangular holes that open inward along the outer edge of the base disc.

3. The tooling for laser cladding of docking skirts according to claim 1, characterized in that: The connection structure includes four vertical pipes uniformly welded along the same circumferential direction of the base disc, and the inclined disc is welded to the top of the four vertical pipes.

4. The tooling for laser cladding of docking skirts according to claim 1, characterized in that: A nut is welded to the outer end of each positioning screw, and the inner end of each positioning screw is rounded.

5. The tooling for laser cladding of docking skirts according to claim 1, characterized in that: The rotation centers of the two bearings are 45 degrees apart from the center point of the arc.