Construction rotary welding device based on straight pipe group with dot solid block

Abstract

The utility model discloses a construction rotary welding device based on take point solid block straight pipe group pair, and it is including: workstation, base, support and rotating mechanism, and the base is located on the workstation, and the support is located on the base, and the rotating mechanism is located on the support, and there are a plurality, every rotating mechanism all includes support axle, a plurality of rotating main shaft and a plurality of rotating parts, and the support axle is located on the support, and the rotating main shaft sleeve is located on the support axle outside, and the rotating part is located between the rotating main shaft and the support axle to realize the rotation of rotating main shaft, and the support axle is provided with the anti -interference part, and the anti -interference part is concave downward, and the rotating main shaft is located at both sides of the anti -interference part. The two straight pipes of the welding can be placed on the rotating mechanism, and the synchronous smooth rotation of the group pair straight pipe is realized through the rotating mechanism, until the pipe fitting completes the all -round welding, and the distance adjusting mechanism of simultaneous design can adjust the distance between the adjacent rotating mechanism, to realize the synchronous rotation of different diameter straight pipe. The device can reduce the consumption of manpower movement, and improves the work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of pipeline installation and construction technology, specifically to a rotary welding device for straight pipe assembly with fixed blocks. Background Technology

[0002] Nuclear island piping is a key component of the nuclear island section of a nuclear power plant, primarily used to support the safe operation of the reactor system and energy transfer. Pipe tack blocks serve to maintain pipe alignment. These blocks temporarily secure the pipe joints, ensuring that the concentricity and gap between the two pipe sections meet design requirements before welding, preventing welding defects caused by misalignment or excessive gaps. Furthermore, in large-scale piping projects, tack blocks can replace manual support or complex clamps, simplifying the assembly process and improving assembly efficiency.

[0003] During the construction of large straight pipes in a nuclear island, the assembly and welding of the straight pipes is usually done manually. First, fixation blocks are placed on the straight pipe, and then the pipe is welded in sections. However, the traditional welding method has the problem that the welding position is fixed, and the operator needs to move to the opposite side to weld, which leads to problems such as high labor intensity and low work efficiency for the operator. Utility Model Content

[0004] This invention aims to solve the problems of high labor intensity and low work efficiency in the previous construction of large straight pipe assembly welding. To this end, this invention designs a rotary welding device for straight pipe assemblies, which can reduce labor intensity and improve work efficiency.

[0005] To achieve the above objectives, this utility model employs the following technical solution: The construction rotary welding device based on the straight pipe assembly with fixed blocks includes: A workbench, a base, a support, and a rotating mechanism, wherein the base is disposed on the workbench, the support is disposed on the base, and multiple rotating mechanisms are disposed on the support; Each of the aforementioned rotating mechanisms includes a support shaft, multiple rotating main shafts, and multiple rotating components. The support shaft is mounted on a support, the rotating main shaft is sleeved outside the support shaft, and the rotating components are disposed between the rotating main shaft and the support shaft to realize the rotation of the rotating main shaft. The support shaft is provided with an anti-interference part, which is recessed downwards, and the rotating main shaft is located on both sides of the anti-interference part.

[0006] Furthermore, it also includes a distance adjustment mechanism, which is used to adjust the distance between the rotating mechanisms. The distance adjustment mechanism includes a first adjustment groove, a second adjustment groove, a connecting member, and a locking member. The first adjustment groove and the second adjustment groove are both provided on the support. The support shaft passes through the first adjustment groove and extends outward at its end. The connecting member is provided on the support shaft and is located in the second adjustment groove. The locking member is provided on the connecting member and can be tightly attached to the support to fix the support shaft.

[0007] It also includes multiple protective sleeves, which are fitted around the outside of the rotating spindle and located on both sides of the anti-interference part, with at least one protective sleeve fitted around the outside of each rotating spindle.

[0008] Furthermore, the anti-interference part is either U-shaped or V-shaped.

[0009] Furthermore, the support is an L-shaped equilateral angle steel, and the first adjustment groove and the second adjustment groove are respectively provided on both sides of the support.

[0010] Furthermore, the rotating component is a bearing.

[0011] Furthermore, the rotating component is located at both ends of the rotating main shaft, with the inner ring of the rotating component fixedly connected to the support shaft and the outer ring fixedly connected to the rotating main shaft.

[0012] Furthermore, casters are provided below the workbench.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This utility model includes a workbench, a base, a support, and a rotating mechanism. Two straight pipes to be welded can be placed on the rotating mechanism, which enables the synchronous and smooth rotation of the assembled straight pipes until the pipes are fully circumferentially welded. Simultaneously, an adjustable spacing mechanism is designed to adjust the distance between adjacent rotating mechanisms, enabling synchronous rotation of straight pipes of different diameters. Using this device can reduce additional manual movement and improve work efficiency.

[0014] The features and advantages of this utility model will be described in detail through embodiments in conjunction with the accompanying drawings. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model; Figure 2 This is a cross-sectional view of the rotating mechanism of this utility model; Figure 3 This is a utility model Figure 1 Enlarged view of point A in the image; Figure 4 This is a diagram showing the working state of the device of this utility model.

[0016] Figure label: 1. Workbench; 2. Base; 3. Support; 4. Rotating mechanism, 401. Support shaft, 4011. Anti-interference part, 402. Rotating spindle, 403. Rotating component; 5. Adjustment mechanism, 501. First adjustment groove, 502. Second adjustment groove, 503. Connecting part, 504. Locking part; 6. Protective sleeve; 7. Casters; 8. Straight pipe, 801. Point solid block. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses consistent with some aspects of this application as detailed in the appended claims.

[0019] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, the technical or scientific terms used in this application should be understood in their ordinary sense by one of ordinary skill in the art to which this utility model pertains. The words “a” or “one” and similar terms used in this application specification and claims do not indicate a limitation of quantity, but rather indicate the presence of at least one. “A plurality” includes two, equivalent to at least two. The words “comprising” or “including” and similar terms mean that the element or object preceding “comprising” or “including” covers the element or object listed following “comprising” or “including” and its equivalents, and does not exclude other elements or objects. The words “connected” or “linked” and similar terms are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect. The singular forms “a,” “the,” and “the” used in this application specification and appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0020] like Figure 1-4As shown, the construction rotary welding device based on the straight pipe assembly with fixed blocks includes a workbench 1, two bases 2, two supports 3, and a rotating mechanism 4. The two bases 2 are fixed on both sides of the workbench 1, and the two supports 3 are fixed on both ends of the bases 2. The rotating mechanism 4 is movably mounted on the supports 3, and there are multiple rotating mechanisms 4 arranged in parallel. The two straight pipes 8 to be welded can be placed on the two rotating mechanisms 4. The two straight pipes 8 are rotated synchronously through the rotating mechanism 4 until the straight pipes 8 are fully circumferentially welded.

[0021] In this embodiment of the present invention, the base 2 is a square structural steel with dimensions of 1400mm × 50mm × 50mm.

[0022] In this embodiment of the present invention, the support 3 is an L-shaped equilateral angle steel with dimensions of 270mm (length) × 20mm (limb width) × 5mm (thickness).

[0023] Please refer to the following for details. Figure 2 Each rotating mechanism 4 includes a support shaft 401, multiple rotating spindles 402, and multiple rotating components 403. The support shaft 401 is fixedly mounted on the support 3. The rotating spindles 402 are sleeved on the outside of the support shaft 401. The rotating components 403 are located between the rotating spindles 402 and the support shaft 401 to enable the rotating spindles 402 to rotate. The rotating components 403 are located at both ends of the rotating spindles 402. The inner wall of the rotating component 403 is fixedly connected to the support shaft 401, and the outer wall is fixedly connected to the rotating spindles 402. That is, the rotating spindles 402 rotate relative to the support shaft 401 through the rotating components 403, thereby driving the two straight pipes 8 located on the rotating spindles 402 to rotate synchronously. This optimizes the operation process for on-site welding workers who need to move back and forth when welding straight pipes 8. The welding of straight pipes 8 can be completed simply by rotating the rotating spindles 402 from a fixed position.

[0024] In this embodiment of the present invention, there are two rotating mechanisms 4. These two rotating mechanisms 4 work in conjunction with the auxiliary straight pipe 8 for welding. That is, this device can only hold one set of straight pipes 8 (two straight pipes 8 constitute one set) for welding the straight pipes 8 together. In other feasible embodiments of the present invention, the number of rotating mechanisms 4 is an even number, such as four, six, or eight, which can hold two, three, four, or more sets of straight pipes 8 for welding multiple sets of straight pipes 8 together.

[0025] In this embodiment of the present invention, the support shaft 401 is a stainless steel tube with an outer diameter of φ9.8mm, a wall thickness of 1mm, and a length of 1400mm; the rotating main shaft 402 is a seamless steel tube with an outer diameter of φ26.7mm, a wall thickness of 2.87mm, and a length of 500mm.

[0026] To facilitate the rotation of the straight tube 8 and prevent interference with the fixed block 801 on the straight tube 8, an anti-interference part 4011 is provided at the middle position of the support shaft 401. The anti-interference part 4011 is recessed downwards, with a length of 150mm-200mm and a depth greater than the height of the fixed block 801. When the straight tube 8 is rotated, the fixed block 801 will move in the anti-interference part 4011 and will not interfere with the support shaft 401.

[0027] In this embodiment of the present invention, the anti-interference part 4011 is either U-shaped or V-shaped, and the anti-interference part is preferably U-shaped.

[0028] In this embodiment of the present invention, the anti-interference part 4011 and the support shaft 401 are an integral structure and can be formed by bending; in other feasible embodiments of the present invention, the anti-interference part 4011 and the support shaft 401 are separate structures and can be fixed together by welding.

[0029] In this embodiment of the present invention, the rotating spindle 402 is located on both sides of the rotating spindle 402.

[0030] In this embodiment of the present invention, the rotating component 403 is a bearing, preferably a deep groove ball bearing. The inner ring of the bearing is fixedly connected to the support shaft 401, and the outer ring is fixedly connected to the rotating main shaft 402, so as to realize that the rotating main shaft 402 rotates relative to the support shaft 401.

[0031] In this embodiment of the present invention, each rotating mechanism 4 has two rotating parts 403, which are fixed at both ends of the rotating main shaft 402.

[0032] Please refer to the following for details. Figure 1 To ensure operational safety, the construction rotary welding device based on the straight pipe assembly with fixed blocks also includes multiple flame-retardant protective sleeves 6. The protective sleeves 6 are fixedly sleeved on the outside of the rotating spindle 402, and at least one protective sleeve 6 is sleeved on the outside of each rotating spindle 402.

[0033] Furthermore, a gap of 70mm ± 0.3mm is left between the protective sleeves 6 on the same rotating spindle 402, and the middle gap area facilitates real-time observation of the weld formation quality.

[0034] In this embodiment of the present invention, the protective sleeve 6 is a PVC sleeve with a diameter of φ30mm, a wall thickness of 1mm, and a length of 488mm, preferably a UL94 V-0 grade flame-retardant PVC sleeve.

[0035] Please refer to the following for details. Figure 3To achieve the assembly welding of straight pipes 8 with different diameters, a rotary welding device for straight pipe assembly construction with fixed blocks is included, which also includes a distance adjustment mechanism 5. The distance adjustment mechanism 5 is located at both ends of the rotary mechanism 4 and is used to adjust the distance between the rotary mechanisms 4 to accommodate straight pipes 8 with different diameters. Specifically, the distance adjustment mechanism 5 includes a first adjustment groove 501, a second adjustment groove 502, a connecting member 503, and a locking member 504. The first adjustment groove 501 and the second adjustment groove 502 are both located on the support 3. The support shaft 401 passes through the first adjustment groove 501 and extends outward at its end. The connecting member 503 is located on the support shaft 401 and is located in the second adjustment groove 502. The locking member 504 is located on the connecting member 503 and can be tightly attached to the support 3 to fix the support shaft 401.

[0036] In this embodiment of the present invention, the connecting member 503 is a bolt and the locking member 504 is a nut. By tightening the nut, the nut is pressed tightly against the upper surface of the support 3 to fix the support shaft 401.

[0037] In this embodiment of the present invention, the support shaft 401 has a φ7.8mm through hole at a position of about 45mm from each end as a positioning reference for assembling the connector 503.

[0038] In this embodiment of the present invention, the first adjustment groove 501 and the second adjustment groove 502 are respectively provided on both sides of the support 3.

[0039] In this embodiment of the present invention, the first adjusting groove 501 and the second adjusting groove 502 are elongated oval grooves.

[0040] Please refer to the following for details. Figure 1 A caster wheel 7 is installed under the workbench 1. The caster wheel 7 is preferably a caster wheel 7 with a brake, so that the device can turn freely without adjusting the overall direction.

[0041] It should be noted that all standard parts used in this application can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0042] This utility model relates to a rotary welding device for construction based on a straight pipe assembly with a fixed block. Its working principle is explained in conjunction with the accompanying drawings: Before welding the straight pipe 8, it needs to be adjusted according to the diameter of the straight pipe 8 to be welded. Loosen the locking part 504 on the bracket 3, move the support shaft 401 along the first adjustment groove 501 to the target diameter position of the straight pipe 8, and then re-lock the locking part 504. Place the straight pipe 8 to be welded horizontally on the support surface of the protective sleeve 6, and adjust it so that the axis of the straight pipe 8 is parallel to the rotating spindle 402.

[0043] During welding, the operator welds on one side of the welding center. After completing the current welding section, the straight pipe 8 is manually rotated. Since the welding of the two straight pipe sections has been completed, when rotating one of the straight pipes 8, the other straight pipe 8 can be rotated smoothly and synchronously with the cooperation of the rotating spindle 402 and the rotating part 403 until the full circumferential welding is completed. This can avoid the operator walking back and forth to weld the straight pipe 8, reduce the additional manpower movement consumption, and improve work efficiency.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A rotary welding device for construction of straight pipe assemblies with fixed blocks, characterized in that, It includes a workbench, a base, a support, and a rotating mechanism. The base is disposed on the workbench, the support is disposed on the base, and the rotating mechanism is disposed on the support, and there are multiple rotating mechanisms. Each of the aforementioned rotating mechanisms includes a support shaft, multiple rotating main shafts, and multiple rotating components. The support shaft is mounted on a support, the rotating main shafts are sleeved outside the support shaft, and the rotating components are disposed between the rotating main shafts and the support shafts to enable the rotating main shafts to rotate. The support shaft is provided with an anti-interference part, which is recessed downwards, and the rotating main shaft is located on both sides of the anti-interference part.

2. The rotary welding device for construction based on straight pipe assemblies with fixed blocks as described in claim 1, characterized in that, It also includes a distance adjustment mechanism, which is used to adjust the distance between the rotating mechanisms. The distance adjustment mechanism includes a first adjustment groove, a second adjustment groove, a connecting member, and a locking member. The first adjustment groove and the second adjustment groove are both provided on the support. The support shaft passes through the first adjustment groove and extends outward at its end. The connecting member is provided on the support shaft and is located in the second adjustment groove. The locking member is provided on the connecting member and can be tightly attached to the support to fix the support shaft.

3. The rotary welding device for construction based on straight pipe assemblies with fixed blocks as described in claim 1 or 2, characterized in that, It also includes multiple protective sleeves, which are fitted around the outside of the rotating spindle and located on both sides of the anti-interference part, with at least one protective sleeve fitted around the outside of each rotating spindle.

4. The rotary welding device for construction based on straight pipe assemblies with point-fixed blocks according to claim 1, characterized in that, The anti-interference part is either U-shaped or V-shaped.

5. The rotary welding device for construction based on straight pipe assemblies with fixed blocks according to claim 2, characterized in that, The support is an L-shaped equilateral angle steel, and the first adjustment groove and the second adjustment groove are respectively provided on both sides of the support.

6. The rotary welding device for construction based on straight pipe assemblies with point-fixed blocks according to claim 1, characterized in that, The rotating component is a bearing.

7. The rotary welding device for construction based on straight pipe assemblies with fixed blocks according to claim 6, characterized in that, The rotating component is located at both ends of the rotating main shaft, with the inner ring of the rotating component fixedly connected to the support shaft and the outer ring fixedly connected to the rotating main shaft.

8. The rotary welding device for construction based on straight pipe assemblies with fixed blocks according to claim 1, characterized in that, The workbench is equipped with casters.

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