Ship longitudinal assembly welding apparatus and ship longitudinal assembly welding method

Abstract

The present application belongs to the technical field of ship manufacturing, and discloses a ship longitudinal assembly welding device and a ship longitudinal assembly welding method. The ship longitudinal assembly welding device is configured to weld a ship longitudinal and a plate, and comprises a welding main machine, a welding gun, a bonding iron wire, an electrical transmission device and a conductive device. The bonding iron wire and the welding gun are electrically connected to the welding main machine, the welding main machine is configured to output current, and the welding gun is configured to use the current for welding. The electrical transmission device is arranged on the ground and connected to the plate, and the conductive device is arranged on the welding main machine and electrically connected to the bonding iron wire and the electrical transmission device. The ship longitudinal assembly welding device does not need to realize the conduction of the circuit through the portal frame and the pressing device, can simplify the structure, improve the economy, and can avoid the problems of pressing deformation or dumping of the ship longitudinal caused by the pressing device.

Description

Technical Field

[0001] This invention relates to the field of shipbuilding technology, and in particular to a ship longitudinal girder assembly and welding equipment and a ship longitudinal girder assembly and welding method. Background Technology

[0002] In shipbuilding, the longitudinal girder assembly welding process typically uses a press-fit device to clamp the longitudinal girder onto the tooling. Current is conducted through a ground connection between the press-fit device and the main engine, enabling spot welding. This method has the following problems: First, each welding machine requires a separate ground wire, with the ground wire route sequentially through the machine, gantry columns, gantry beams, and the pressing device. Each ground wire is approximately 50 meters long, requiring a total of 400 meters of welding wire for the eight machines, resulting in complex wiring and material waste. Second, the aforementioned welding operations can only be performed after the pressing device has clamped the longitudinal ribs, leading to low welding efficiency. Furthermore, the pressing process can easily deform or tilt the longitudinal ribs, posing a safety hazard. Finally, one pressing device can only control one machine. Operators must wait for one pressing device to complete pressing before operating the next machine, preventing multiple machines from operating in parallel and impacting production efficiency.

[0003] Therefore, there is an urgent need for a ship longitudinal girder assembly and welding equipment and a ship longitudinal girder assembly and welding method to solve the above problems. Summary of the Invention

[0004] According to one aspect of the present invention, the object is to provide a ship longitudinal girder assembly and welding equipment that eliminates the need for circuit conduction via a gantry and a pressing device, thereby simplifying the structure, improving economy, and avoiding problems such as pressing deformation or tilting of the ship longitudinal girder caused by the pressing device.

[0005] To achieve this objective, the present invention adopts the following technical solution: A ship longitudinal girder assembly and welding equipment, configured to weld ship longitudinal girders and plates, the ship longitudinal girder assembly and welding equipment comprising: The welding host, welding torch, and grounding wire are respectively electrically connected to the welding host. The welding host is configured to output current, and the welding torch is configured to perform welding using the current. An electrical transmission device and a conductive device are provided. The electrical transmission device is disposed on the ground and connected to the plate. The conductive device is disposed on the welding host and electrically connected to the ground wire and the electrical transmission device.

[0006] As a preferred embodiment of the ship longitudinal girder assembly welding equipment provided by the present invention, the welding host includes a transfer mechanism and a host body. The transfer mechanism is movable on the ground, the host body is disposed on the transfer mechanism, the conductive device is disposed on the transfer mechanism, and the grounding wire is connected to the host body and the conductive device.

[0007] As a preferred embodiment of the ship longitudinal girder assembly welding equipment provided by the present invention, the conductive device includes an elastic pressing mechanism and a conductive structure. The elastic pressing mechanism is disposed on the side of the welding host, and the conductive structure is connected to the elastic pressing mechanism and can press against the electrical transmission device under the elastic force of the elastic pressing mechanism.

[0008] As a preferred embodiment of the ship longitudinal girder assembly welding equipment provided by the present invention, the electrical transmission device includes a first conductive part and a second conductive part that are connected to each other at an angle. The conductive device is connected to the first conductive part and can move along the first conductive part, and the second conductive part is connected to the plate.

[0009] As a preferred embodiment of the ship longitudinal girder assembly welding equipment provided by the present invention, the first conductive part and the second conductive part are arranged perpendicularly to each other.

[0010] As a preferred embodiment of the ship longitudinal girder assembly and welding equipment provided by the present invention, the ship longitudinal girder assembly and welding equipment further includes a tooling moving device, which is set on the ground, and the plate is set on the tooling moving device and can move on the tooling moving device.

[0011] As a preferred embodiment of the ship longitudinal girder assembly and welding equipment provided by the present invention, the tooling moving device includes a track and a plurality of rollers, the plurality of rollers being arranged at intervals on the track, the plate being placed on the plurality of rollers and being able to move relative to the rollers.

[0012] As a preferred embodiment of the ship longitudinal girder assembly and welding equipment provided by the present invention, the track includes a first guide rail body and a second guide rail body, wherein the first guide rail body and the second guide rail body are arranged at an angle to each other.

[0013] As a preferred embodiment of the ship longitudinal girder assembly and welding equipment provided by the present invention, the ship longitudinal girder assembly and welding equipment further includes a positioning device, which is connected to the ship longitudinal girder and configured to fix the relative position of the ship longitudinal girder and the plate.

[0014] According to another aspect of the present invention, an object is to provide a method for assembling and welding longitudinal girders of a ship, the method being based on the ship longitudinal girder assembly and welding equipment as described in any of the above embodiments, for welding the ship longitudinal girders and the plates, the method comprising: S10. Position the ship's longitudinal beams on the plate; S20. Connect the electrical transmission device and the plate, and connect the conductive device and the electrical transmission device; S30. Weld the connection between the ship's longitudinal skeleton and the plate using the welding torch.

[0015] The beneficial effects of this invention are: The ship longitudinal girder assembly welding equipment provided by this invention is configured to weld ship longitudinal girders and plates. The equipment includes a welding host, a welding torch, a ground wire, an electrical transmission device, and a conductive device. The ground wire and the welding torch are electrically connected to the welding host, which is configured to output current, and the welding torch is configured to use this current for welding. The ground wire connects the welding host and the workpiece to be welded, forming a closed welding circuit, ensuring stable current flow and preventing current shunting that could affect welding quality or cause arc blow.

[0016] The electrical transmission device is installed on the ground and connected to the plate. The conductive device is installed on the welding machine and electrically connected to the ground wire and the electrical transmission device. Compared with the traditional method of using gantry and pressure attachment devices to position the ship's longitudinal girder and plate and close the welding circuit, the use of the conductive device and the aforementioned electrical transmission device installed on the ground allows for direct electrical connection between the welding machine and the workpiece being welded. This effectively simplifies the structure, improves economy, and avoids problems such as pressure attachment deformation or tilting of the ship's longitudinal girder caused by the pressure attachment device. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the ship longitudinal girder assembly and welding equipment provided in Embodiment 1 of the present invention; Figure 2 This is a schematic diagram of a welding host and a conductive device provided in Embodiment 1 of the present invention; Figure 3This is a schematic diagram of a welding host and another conductive device provided in Embodiment 1 of the present invention; Figure 4 This is a side view of the welding host and another conductive device provided in Embodiment 1 of the present invention; Figure 5 This is a flowchart of the ship longitudinal girder assembly and welding method provided in Embodiment 2 of the present invention.

[0019] In the picture: 10. Ship longitudinal girder; 20. Plate fittings; 100. Welding main unit; 110. Transplanting mechanism; 120. Main unit body; 200. Grounding wire; 300. Electrical transmission device; 310. First conductive part; 320. Second conductive part; 400. Conductive device; 410. Elastic pressing mechanism; 411. First mounting base; 412. Elastic pressing element; 420. Conductive structure; 421. Electrical connector; 422. Conductive slider; 430. Rigid bracket; 440. Elastic tightening element; 450. Second mounting base; 500. Tooling moving device; 510. Track; 511. First guide rail body; 512. Second guide rail body; 520. Roller. Detailed Implementation

[0020] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of this invention, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0025] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connect," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0026] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0027] In this embodiment, the term "and / or" is merely a description of the relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, in this invention, the character " / " generally indicates that the preceding and following associated objects have an "or" relationship.

[0028] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0029] Example 1 Figure 1A schematic diagram of the ship longitudinal girder assembly and welding equipment provided in Embodiment 1 of the present invention is shown. (Refer to...) Figure 1 This embodiment provides a ship longitudinal girder assembly and welding equipment. This equipment is configured to weld ship longitudinal girders 10 and plates 20.

[0030] The welding equipment for assembling the ship's longitudinal skeleton includes a welding main unit 100, a welding torch (not shown), a grounding wire 200, an electrical transmission device 300, and a conductive device 400. The grounding wire 200 and the welding torch are electrically connected to the welding main unit 100, which is configured to output current, and the welding torch is configured to use this current for welding. The electrical transmission device 300 is located on the ground and connected to the plate 20. The conductive device 400 is located on the welding main unit 100 and electrically connected to the grounding wire 200 and the electrical transmission device 300. Through the grounding wire 200, the welding main unit 100 and the workpieces to be welded (i.e., the ship's longitudinal skeleton 10 and the plate 20) can be connected, forming a closed welding circuit, ensuring stable current flow and preventing current shunting that could affect welding quality or cause arc blow. Compared to the traditional method of using a gantry and pressing device to position the ship's longitudinal girder 10 and plate 20 and close the welding circuit, the conductive device 400 and the aforementioned electrical transmission device 300 installed on the ground can directly connect the welding host 100 and the workpiece to be welded (i.e., the ship's longitudinal girder 10 and plate 20), effectively simplifying the structure, improving economy, and avoiding problems such as pressing deformation or tilting of the ship's longitudinal girder 10 caused by the pressing device.

[0031] Specifically, the welding host 100 includes a transfer mechanism 110 and a host body 120. The host body 120 is mounted on the transfer mechanism 110, which can move the host body 120 on the ground. The conductive device 400 is mounted on the transfer mechanism 110, and the ground wire 200 connects the host body 120 and the conductive device 400. In this embodiment, the transfer mechanism 110 may specifically be a drive wheel or the like located at the bottom of the host body 120. By using the transfer mechanism 110 to move the host body 120, the flexibility of the welding process can be improved, and the host body 120 can be flexibly adjusted on-site according to the actual position of the plate 20, facilitating welding and improving processing efficiency.

[0032] More specifically, the electrical transmission device 300 includes a first conductive portion 310 and a second conductive portion 320 connected at an angle to each other. The conductive device 400 is connected to the first conductive portion 310 and is movable along the first conductive portion 310, and the second conductive portion 320 is connected to the plate 20. The first conductive portion 310 and the second conductive portion 320 may be made of conductive metal. Through the first conductive portion 310 and the second conductive portion 320, an electrical connection can be formed between the welding host 100 and the plate 20, which are arranged at intervals.

[0033] In this embodiment, the first conductive part 310 and the second conductive part 320 are perpendicular to each other. This arrangement enables the formation of a regular conductive path between the welding host 100 and the plate 20, which are arranged at intervals, thereby improving the cleanliness of the assembly site and enhancing the welding process.

[0034] Continue to refer to Figure 1 The ship longitudinal girder assembly and welding equipment also includes a tooling moving device 500. This tooling moving device 500 is installed on the ground, and the plate 20 is mounted on it and can move along it. Through this tooling moving device 500, the position of the plate 20 can be adjusted on the assembly site, improving processing flexibility.

[0035] Specifically, optionally, the tooling moving device 500 includes a track 510 and a plurality of rollers 520, which are spaced apart from each other on the track 510. The plate 20 is placed on the rollers 520 and can move relative to the rollers 520. The rollers 520 provide reliable support for the plate 20, and under the action of external pushing or pulling forces, the plate 20 can move on the rollers 520 to achieve position adjustment.

[0036] More specifically, the track 510 includes a first guide rail body 511 and a second guide rail body 512. The first guide rail body 511 and the second guide rail body 512 are arranged at an angle to each other. In this embodiment, the first guide rail body 511 and the second guide rail body 512 are specifically arranged perpendicular to each other.

[0037] Figure 2 This diagram illustrates a welding host and a conductive device provided in Embodiment 1 of the present invention. (Refer to...) Figure 2The conductive device 400 provided in this embodiment includes an elastic pressing mechanism 410 and a conductive structure 420. The elastic pressing mechanism 410 is disposed on the side of the welding host 100, and the conductive structure 420 is connected to the elastic pressing mechanism 410, and can press against the first conductive part 310 under the elastic force of the elastic pressing mechanism 410. Through the connection between the conductive structure 420 and the electrical transmission device 300, an electrical connection between the ground wire 200 and the plate 20 can be realized. Through the aforementioned elastic pressing mechanism 410, the reliability of the connection between the conductive structure 420 and the first conductive part 310 can be ensured.

[0038] Specifically, the elastic pressing mechanism 410 includes a first mounting base 411 and an elastic pressing element 412. The first mounting base 411 is disposed on the side of the main body 120, and the upper end of the elastic pressing element 412 is connected to the first mounting base 411. In this embodiment, both the first mounting base 411 and the elastic pressing element 412 are made of insulating material.

[0039] More specifically, the conductive structure 420 includes an electrical connector 421 and a conductive slider 422. The conductive slider 422 is connected to the end of the elastic pressing element 412 away from the first mounting base 411 and is slidably connected to the first conductive portion 310. The electrical connector 421 is connected to the conductive slider 422 and is connected to the ground wire 200 in the first mounting base 411. The electrical connector 421 can be a wire or the like. When the conductive slider 422 is connected to the first conductive portion 310, the elastic pressing element 412 is in a compressed state, possessing a certain elastic pushing force, which can react on the conductive slider 422, ensuring the reliability of the connection between the conductive slider 422 and the first conductive portion 310.

[0040] Figure 3 This diagram shows a welding host and another conductive device provided in Embodiment 1 of the present invention. Figure 4 A side view of a welding host and another conductive device provided in Embodiment 1 of the present invention is shown. (Refer to...) Figure 3 and Figure 4The conductive device 400 includes a rigid bracket 430, an elastic tightening member 440, and a second mounting base 450. The second mounting base 450 is located on the side of the main body 120. Two rigid brackets 430 are connected to the second mounting base 450, each swayably. A conductive slider 422 is connected to the end of each rigid bracket 430 away from the second mounting base 450 and slidably connected to the first conductive part 310. An electrical connector 421 is connected to the conductive slider 422 and connected to the ground wire 200 within the second mounting base 450. To ensure the stability of the conductive slider 422's sliding, the two rigid brackets 430 are inclined and extend in a direction away from each other, forming a V-shape arrangement. The elastic tightening member 440 is connected to the crossbeam of the rigid bracket 430 and the second mounting base 450. The two elastic tightening members 440 can pull the corresponding rigid bracket 430 to a tightened state that brings them closer to each other, so that the conductive slider 422 can reliably press against the first conductive part 310.

[0041] It should be noted that the ship longitudinal girder assembly and welding equipment also includes a positioning device, which is connected to the ship longitudinal girder 10 and configured to fix the relative position of the ship longitudinal girder 10 and the plate 20. In this embodiment, the positioning device can specifically be a tooling fixture or a hand chain hoist, as long as it can achieve the positioning of the ship longitudinal girder 10 and the plate 20. Its specific structure and type will not be described in detail in this embodiment.

[0042] Example 2 Figure 5 A flowchart illustrating the ship longitudinal girder assembly and welding method provided in Embodiment 2 of the present invention is shown. (Refer to...) Figure 5 This embodiment provides a method for assembling and welding a ship's longitudinal girder. This method, based on the ship's longitudinal girder assembly and welding equipment provided in Embodiment 1, welds the ship's longitudinal girder 10 and the plate 20. The specific steps of this ship's longitudinal girder assembly and welding method are as follows: Step S10: Position the ship's longitudinal girder 10 onto the plate 20.

[0043] Specifically, in step S10, the ship's longitudinal beam 10 is lifted to a preset position on the plate 20 using lifting equipment, and then the ship's longitudinal beam 10 and plate 20 are positioned using tooling fixtures or hand-operated hoists and other positioning devices.

[0044] Step S20: Connect the electrical transmission device 300 and the plate 20, and connect the conductive device 400 and the electrical transmission device 300. Through the above step S20, a reliable closed welding circuit can be formed.

[0045] Step S30: Use the welding torch to weld the connection between the ship's longitudinal girder 10 and the plate 20.

[0046] The above description is merely a preferred embodiment of the present invention and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of disclosure in this invention is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-disclosed concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this invention.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. Ship longitudinal girder assembly and welding equipment, characterized in that, The equipment is configured to weld ship longitudinals (10) and plates (20), and the ship longitudinals assembly welding equipment includes: The welding host (100), welding torch and ground wire (200) are electrically connected to the welding host (100), the welding host (100) is configured to output current, and the welding torch is configured to perform welding using the current. An electrical transmission device (300) and a conductive device (400) are provided. The electrical transmission device (300) is disposed on the ground and connected to the plate (20). The conductive device (400) is disposed on the welding host (100) and electrically connected to the ground wire (200) and the electrical transmission device (300).

2. The ship longitudinal girder assembly and welding equipment according to claim 1, characterized in that, The welding host (100) includes a transplanting mechanism (110) and a host body (120). The transplanting mechanism (110) is movable on the ground. The host body (120) is disposed on the transplanting mechanism (110). The conductive device (400) is disposed on the transplanting mechanism (110). The ground wire (200) is connected to the host body (120) and the conductive device (400).

3. The ship longitudinal girder assembly and welding equipment according to claim 1, characterized in that, The conductive device (400) includes an elastic pressing mechanism (410) and a conductive structure (420). The elastic pressing mechanism (410) is disposed on the side of the welding host (100), and the conductive structure (420) is connected to the elastic pressing mechanism (410) and can press against the electrical transmission device (300) under the elastic force of the elastic pressing mechanism (410).

4. The ship longitudinal girder assembly and welding equipment according to claim 1, characterized in that, The electrical transmission device (300) includes a first conductive part (310) and a second conductive part (320) connected at an angle to each other. The conductive device (400) is connected to the first conductive part (310) and is movable along the first conductive part (310). The second conductive part (320) is connected to the plate (20).

5. The ship longitudinal girder assembly and welding equipment according to claim 4, characterized in that, The first conductive part (310) and the second conductive part (320) are arranged perpendicular to each other.

6. The ship longitudinal girder assembly and welding equipment according to claim 1, characterized in that, The ship longitudinal girder assembly and welding equipment also includes a tooling moving device (500), which is set on the ground. The plate (20) is set on the tooling moving device (500) and can move on the tooling moving device (500).

7. The ship longitudinal girder assembly and welding equipment according to claim 6, characterized in that, The tooling moving device (500) includes a track (510) and a plurality of rollers (520), the plurality of rollers (520) being arranged at intervals on the track (510), the plate (20) being placed on the plurality of rollers (520) and being able to move relative to the rollers (520).

8. The ship longitudinal girder assembly and welding equipment according to claim 7, characterized in that, The track (510) includes a first guide rail body (511) and a second guide rail body (512), which are arranged at an angle to each other.

9. The ship longitudinal girder assembly and welding equipment according to claim 1, characterized in that, The ship longitudinal girder assembly and welding equipment also includes a positioning device connected to the ship longitudinal girder (10) and configured to fix the relative positions of the ship longitudinal girder (10) and the plate (20).

10. A method for assembling and welding longitudinal skeletons of a ship, characterized in that, The ship longitudinal girder assembly and welding method is based on the ship longitudinal girder assembly and welding equipment as described in any one of claims 1-9, and welds the ship longitudinal girder (10) and the plate (20). The ship longitudinal girder assembly and welding method includes: S10. Position the ship's longitudinal skeleton (10) on the plate (20); S20. Connect the electrical transmission device (300) and the plate (20), and connect the conductive device (400) and the electrical transmission device (300). S30. Welding is performed at the connection between the ship's longitudinal skeleton (10) and the plate (20) using the welding torch.

Images