Weld joint device for condenser

Abstract

The utility model provides a weld joint device for a condenser, and belongs to the technical field of condenser weld joints. A welding seam device for a condenser comprises a device body, the device body comprises a grab handle, a first annular scraping plate, a second annular scraping plate and an adjusting mechanism, the grab handle is provided with a first abutting ring and a second abutting ring, first mounting plates are symmetrically mounted on the two sides of the first abutting ring, and second mounting plates are symmetrically mounted on the two sides of the second abutting ring. The first abutting ring is symmetrically provided with first mounting plates, the second abutting ring is symmetrically provided with second mounting plates, the first mounting plates and the second mounting plates are connected through first threaded rods, the adjusting mechanism comprises an adjusting ring, a first movable rod and a second movable rod, and the adjusting ring is movably connected with one end of the first movable rod. The welding scar scraping device has the advantages of being high in welding scar scraping efficiency and better in scraping quality.

Description

Technical Field

[0001] The utility model belongs to the technical field of condenser welds, and particularly relates to a weld device for a condenser. Background Technique

[0002] During the production and processing of a steam turbine condenser, there are many parts that require welding seams. Among them, the titanium tubes in the condenser are the main objects of welding seams. After welding pure titanium welded tubes, the weld bead reinforcement at the weld affects the surface quality and appearance. When higher requirements are imposed on the internal and external weld bead reinforcement, it is necessary to level the weld beads around the weld. For the existing titanium tubes, after welding, manual scraping of the weld beads is required with a scraper around the weld of the titanium tube. This not only has low work efficiency but also the quality of manual scraping of the weld beads is not high, affecting the surface quality and appearance of the titanium tubes. Summary of the Invention

[0003] The purpose of the utility model is to address the above problems existing in the prior art and propose a weld device for a condenser, which has the advantages of high efficiency in scraping weld beads and better scraping quality.

[0004] The purpose of the utility model can be achieved by the following technical solutions: A weld device for a condenser includes a device main body. The device main body includes a handle, a first annular scraping plate, a second annular scraping plate, and an adjusting mechanism. The handle has a first abutting ring and a second abutting ring. On both sides of the first abutting ring, first mounting plates are symmetrically installed. On the second abutting ring, second mounting plates are symmetrically installed. The first mounting plates and the second mounting plates are connected by a first threaded rod. The adjusting mechanism includes an adjusting ring, a first movable rod, and a second movable rod. The adjusting ring is movably connected to one end of the first movable rod, and the other end of the first movable rod is connected to the second movable rod. One of the second movable rods is fixedly connected to the first annular scraping plate, and the other second movable rod is fixedly connected to the second annular scraping plate; the first annular scraping plate is rotatably connected to the handle, and the second annular scraping plate is also rotatably connected to the handle. Scraping components and fixing components are installed on both the first annular scraping plate and the second annular scraping plate.

[0005] The scraping component includes an adjusting rod, a third threaded rod, and an annular scraping ring. The third threaded rod is threadedly connected to the first annular scraping plate and the second annular scraping plate. One end of the third threaded rod outside the first annular scraping plate is fixedly connected to the adjusting rod, and the other end of the third threaded rod is fixed with an annular scraping plate. An annular scraping knife is provided on the inner side surface of the annular scraping plate.

[0006] Preferably, the thickness of the annular scraping knife gradually becomes thinner from the center to both sides.

[0007] Preferably, the fixing component includes two fixing sleeves, one of the fixing sleeves is fixed on the first annular scraping plate, and the other fixing sleeve is fixed on the second annular scraping plate. Both of the fixing sleeves are provided with threaded holes, and the two fixing sleeves are connected by a second threaded rod passing through their threaded holes for fixing after splicing the first annular scraping plate and the second annular scraping plate.

[0008] Preferably, weld through holes are formed in the annular side walls of the first annular scraping plate and the second annular scraping plate.

[0009] Preferably, sliding blocks are symmetrically arranged on the adjusting ring. The sliding blocks are connected to the first threaded rod, and an operating rod is fixed on the sliding blocks for synchronously moving the two sliding blocks.

[0010] Preferably, hexagon nuts are sleeved on both sides of the second threaded rod, and the hexagon nuts abut against one side of the two fixing sleeves away from the center of the second threaded rod.

[0011] Compared with the prior art, the advantages of the present utility model are as follows: By adjusting the threaded rod through the adjusting rod, the surfaces of the annular scraping knives on the annular scraping ring are all abutted against the outer surface of the titanium tube, improving the quality of scraping the weld scars on the titanium tube and the contact surface. Through the annular scraping knives on the first annular scraping plate and the second annular scraping plate, after welding, the operator only needs to move the device body from one side of the weld scar of the titanium tube weld to the other side to perform the operation of scraping the weld scar after welding. At the same time, this device can rotate 360 degrees on the titanium tube to scrape the weld scar, which is beneficial to improving the quality of scraping the weld scar and has a higher scraping efficiency. Description of the Drawings

[0012] Figure 1 is a connection diagram of the device body and the titanium tube in the present utility model.

[0013] Figure 2 is a front view of the present utility model.

[0014] Figure 3 is a side view of the connection between the device body and the titanium tube in the present utility model.

[0015] Figure 4 is a side cross-sectional view of the present utility model.

[0016] Figure 5 is an enlarged view of part A in the present utility model.

[0017] Figure 6 is a connection diagram of the handle and the adjusting mechanism in the present utility model.

[0018] In the figure, 2 is the handle; 21 is the first abutting ring; 211 is the first mounting plate; 22 is the second abutting ring; 221 is the second mounting plate; 23 is the first threaded rod; 3 is the first annular scraping plate; 4 is the second annular scraping plate; 51 is the adjusting ring; 511 is the sliding block; 512 is the operating rod; 52 is the first movable rod; 53 is the second movable rod; 61 is the adjusting rod; 62 is the third threaded rod; 63 is the annular scraping ring; 64 is the annular scraping knife; 71 is the fixing sleeve; 72 is the second threaded rod; 73 is the hexagonal nut; 8 is the weld through hole; 9 is the titanium tube. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] As Figures 1 to 6 shown, a weld device for a condenser includes a device main body. The device main body includes a handle 2, a first annular scraping plate 3, a second annular scraping plate 4, and an adjusting mechanism. The handle 2 has a first abutting ring 21 and a second abutting ring 22. On both sides of the first abutting ring 21, first mounting plates 211 are symmetrically installed. Second mounting plates 221 are symmetrically installed on the second abutting ring 22. The first mounting plates 211 and the second mounting plates 221 are connected by a first threaded rod 23. The adjusting mechanism includes an adjusting ring 51, a first movable rod 52, and a second movable rod 53. One end of the adjusting ring 51 is movably connected to one end of the first movable rod 52. The other end of the first movable rod 52 is connected to the second movable rod 53. One of the second movable rods 53 is fixedly connected to the first annular scraping plate 3, and the other second movable rod 53 is fixedly connected to the second annular scraping plate 4. The first annular scraping plate 3 is rotatably connected to the handle 2, and the second annular scraping plate 4 is also rotatably connected to the handle 2. Scraping components and fixing components are installed on both the first annular scraping plate 3 and the second annular scraping plate 4.

[0021] The scraping components include an adjusting rod 61, a third threaded rod 62, and an annular scraping ring 63. The third threaded rod 62 is threadedly connected to the first annular scraping plate 3 and the second annular scraping plate 4. One end of the third threaded rod 62 outside the first annular scraping plate 3 is fixedly connected to the adjusting rod 61. The other end of the third threaded rod 62 is fixed with an annular scraping plate. An annular scraping knife 64 is provided on the inner side surface of the annular scraping plate.

[0022] With the above structure, when the titanium tube 9 of the condenser needs to be welded, the adjusting ring 51 is pushed in advance in the direction close to the titanium tube 9 (the direction close to the first abutting ring 21). The adjusting ring 51 can move away from or close to the titanium tube 9 on the first threaded rod 23. Since the first movable rod 52 is movably connected to the adjusting ring 51, and the movable member composed of the first movable rod 52 and the second movable rod 53 can make the first annular scraping plate 3 move flexibly through the movement of the adjusting ring 51. One of the first movable rod 52 and the second movable rod 53 symmetrically arranged on the adjusting ring 51 can push the adjusting ring 51 according to the direction close to the titanium tube 9, driving the first annular scraping plate 3 to rotate clockwise on the handle 2. At the same time, the first movable rod 52 and the second movable rod 53 at the other end can drive the second annular scraping plate 4 to rotate counterclockwise on the handle 2, so that the first annular scraping plate 3 and the second annular scraping plate 4 can be assembled into a circular scraping plate as a whole, completely clamping the outer surface of the titanium tube 9. At the same time, the first annular scraping plate 3 and the second annular scraping plate 4 are fixed after being assembled through the fixing component. Subsequently, the third threaded rod 62 is adjusted through the adjusting rod 61, and the surfaces of the annular scraping knives 64 on the first annular scraping plate 3 and the second annular scraping plate 4 are abutted against the outer surface of the titanium tube 9, improving the quality of scraping the weld scar on the titanium tube 9 and the contact surface. After the weld, the operator only needs to move the device body from one side of the weld scar of the titanium tube 9 through the weld scar to the other side of the weld scar to perform the operation of scraping the weld scar after the weld. At the same time, this device can rotate 360 degrees on the titanium tube 9 to scrape the weld scar, which is beneficial to improving the quality of scraping the weld scar and has a higher scraping efficiency.

[0023] Specifically, as Figures 1 to 6 shown, the thickness of the annular scraping knife 64 gradually thins from the center to both sides.

[0024] With the above structure, since the thickness of the annular scraping knife 64 gradually thins from the center to both sides, it is beneficial to improve the quality of scraping the weld scar. The scraping knife can better remove the weld scar completely from the maximum diameter of the titanium tube 9, which is beneficial to improving the quality of scraping the weld scar and has a higher scraping efficiency.

[0025] As Figures 1 to 6 shown, the fixing component includes two fixing sleeves 71. One of the fixing sleeves 71 is fixed on the first annular scraping plate 3, and the other fixing sleeve 71 is fixed on the second annular scraping plate 4. Both of the fixing sleeves 71 have threaded holes, and the two fixing sleeves 71 are connected by passing the second threaded rod 72 through their threaded holes for fixing after splicing the first annular scraping plate 3 and the second annular scraping plate 4. Hexagonal nuts 73 are sleeved on both sides of the second threaded rod 72, and the hexagonal nuts 73 abut against one side of the two fixing sleeves 71 away from the center of the second threaded rod 72.

[0026] In the present utility model, the hexagonal nut 73, the first threaded rod 23, the second threaded rod 72, and the third threaded rod 62 are of the prior art.

[0027] The second threaded rod 72 passes through the fixing sleeves 71 on the first annular scraping plate 3 and the second annular scraping plate 4, and two hexagonal nuts 73 are used to limit the two fixing sleeves 71 and the first annular scraping plate 3 and the second annular scraping plate 4, so that the first annular scraping plate 3 and the second annular scraping plate 4 can be fixed firmly after assembly.

[0028] As Figures 1 to 6 shown, weld through holes 8 are formed in the annular side walls of the first annular scraping plate 3 and the second annular scraping plate 4.

[0029] By forming the weld through holes 8, before welding, the device main body can be clamped onto the titanium tube 9 in advance. When welding, the weld through holes 8 can be used for guiding, making it more convenient and fast to scrape the welding scars after welding.

[0030] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0031] In addition, the descriptions involving "first", "second", etc. in the present invention are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. At the same time, the meaning of "and / or" appearing throughout the text is that it includes three solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or the solution where A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those skilled in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0032] The above components are all common standard parts or parts known to those skilled in the art, and their structures and principles can all be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0033] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the art to which the present utility model pertains may make various modifications or supplements to the described specific embodiments or use similar means for substitution, but they will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

Claims

1. A welding device for a condenser, comprising a device body, characterized in that: The device body comprises a handle (2), a first annular scraping plate (3), a second annular scraping plate (4) and an adjustment mechanism. The handle (2) is provided with a first abutting ring (21) and a second abutting ring (22). First mounting plates (211) are symmetrically mounted on both sides of the first abutting ring (21). A second mounting plate (221) is symmetrically mounted on the second abutting ring (22). The first mounting plate (211) and the second mounting plate (221) are connected via a first threaded rod (23). The adjustment mechanism comprises an adjustment ring (51), a first movable rod (52), a second movable rod (53). The adjusting ring (51) is movably connected to one end of a first movable rod (52), and the other end of the first movable rod (52) is connected to a second movable rod (53), wherein one of the second movable rods (53) is fixedly connected to the first annular scraping plate (3), and the other second movable rod (53) is fixedly connected to the second annular scraping plate (4); the first annular scraping plate (3) is rotatably connected to the handle (2), and the second annular scraping plate (4) is also rotatably connected to the handle (2); a scraping assembly and a fixing assembly are installed on both the first annular scraping plate (3) and the second annular scraping plate (4); The scraping assembly comprises an adjusting rod (61), a third threaded rod (62), and an annular scraping ring (63); the third threaded rod (62) is threadedly connected to the first annular scraping plate (3) and the second annular scraping plate (4); one end of the third threaded rod (62) outside the first annular scraping plate (3) is fixedly connected to the adjusting rod (61); the other end of the third threaded rod (62) is fixedly connected to the annular scraping plate; and an annular scraping knife (64) is provided on the inner side surface of the annular scraping plate.

2. A welding device for a condenser according to claim 1, characterized in that: The thickness of the annular scraper (64) gradually becomes thinner from the center to both sides.

3. A welding device for a condenser according to claim 1, characterized in that: The fixing assembly comprises two fixing sleeves (71), one of the fixing sleeves (71) is fixed on the first annular scraping plate (3), and the other fixing sleeve (71) is fixed on the second annular scraping plate (4), both fixing sleeves (71) have threaded holes, and the two fixing sleeves (71) are connected by a second threaded rod (72) passing through the threaded holes, and are used for fixing the first annular scraping plate (3) and the second annular scraping plate (4) after splicing.

4. A welding device for a condenser according to claim 1, characterized in that: The annular side walls of the first annular scraping plate (3) and the second annular scraping plate (4) are both provided with welding seam through holes (8).

5. A welding device for a condenser according to claim 1, characterized in that: The adjusting ring (51) is symmetrically provided with sliding blocks (511), the sliding blocks (511) are connected to the first threaded rod (23), and an operating rod (512) is fixed on the sliding blocks (511) for synchronously moving the two sliding blocks (511).

6. A welding device for a condenser according to claim 3, characterized in that: Hexagonal nuts (73) are sleeved on both sides of the second threaded rod (72), and the hexagonal nuts (73) abut against one side of the two fixing sleeves (71) away from the center of the second threaded rod (72).

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