An apparatus and method for the integral assembly of an electrical transformer radiator

Abstract

The present application relates to the technical field of power transformer radiator pipe processing, and particularly relates to a device and method for power transformer radiator overall assembly; the technical scheme: a device and method for power transformer radiator overall assembly, comprising a first upper bus oil pipe, a second upper bus oil pipe, a first lower bus oil pipe, a second lower bus oil pipe, a fixed plate, a hanging ladder, a vertical support pipe, an I-shaped steel, a bus oil pipe joint and a vertical support pipe joint; compared with the traditional sheet type radiator mounted on the bus oil pipe led out of the transformer oil tank, the assembly process has the problems of long high-altitude operation time, long time occupation of the crown block, low work efficiency and the like, the device for power transformer radiator overall assembly is assembled on the ground, greatly reduces the risk of high-altitude operation, ensures the safety of the workers, makes the assembly process more simple and efficient, and thus improves the assembly work efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power transformer radiator pipe processing, and particularly relates to a device and method for overall assembly of a power transformer radiator. BACKGROUND

[0002] When a large oil-immersed power transformer is in operation, the transformer oil inside the transformer generally needs to be cooled by an externally installed sheet-type radiator to reduce the operating temperature and ensure safe operation of the transformer.

[0003] The existing sheet-type radiator is installed on the bus oil pipe line led out of the transformer oil tank. The traditional assembly process of the bus pipe is to sequentially assemble the lower bus pipe, support pipe and upper bus pipe from bottom to top with the interface of the transformer oil tank. This assembly process has problems such as long high-altitude operation time, long occupation of the overhead crane, low work efficiency and the like.

[0004] In view of the problems of long high-altitude operation time, long occupation of the overhead crane and low work efficiency in the existing assembly process, the device for overall assembly of the power transformer radiator is assembled on the ground, which greatly reduces the risk of high-altitude operation, ensures the safety of the workers, and can more conveniently perform alignment, adjustment of spacing, diagonal dimension, straightness, perpendicularity and other parameters on the ground platform, and can more efficiently perform welding and hoisting operations, simplifies the assembly process of the bus oil pipe line, makes the assembly process more simple and efficient, and thus improves the efficiency of the assembly work. SUMMARY

[0005] In order to overcome the problems of long high-altitude operation time, long occupation of the overhead crane and low work efficiency in the existing assembly process of the sheet-type radiator installed on the bus oil pipe line led out of the transformer oil tank, the traditional assembly process of the bus pipe is to sequentially assemble the lower bus pipe, support pipe and upper bus pipe from bottom to top with the interface of the transformer oil tank. This assembly process has problems such as long high-altitude operation time, long occupation of the overhead crane, low work efficiency and the like.

[0006] The technical scheme of the present application is: a device for overall assembly of a power transformer radiator, comprising a first upper oil collecting pipe, a second upper oil collecting pipe, a first lower oil collecting pipe, a second lower oil collecting pipe, a fixing plate, a hanging ladder, a vertical support pipe, an I-beam, an oil collecting pipe joint and a vertical support pipe joint, the first upper oil collecting pipe is welded with the second upper oil collecting pipe on one side, the first upper oil collecting pipe is provided with the first lower oil collecting pipe below, the first lower oil collecting pipe is welded with the second lower oil collecting pipe on one side, a plurality of vertical support pipes are arranged between the first upper oil collecting pipe and the first lower oil collecting pipe, the vertical support pipe is provided with the vertical support pipe joint at both ends, the first upper oil collecting pipe and the first lower oil collecting pipe are provided with the fixing plate on one side, the fixing plate is provided with a plurality of groups, the hanging ladder is arranged between the first upper oil collecting pipe and the first lower oil collecting pipe, the hanging ladder is provided with a plurality of groups, the hanging ladder is provided with the I-beam at both ends, the first upper oil collecting pipe and the first lower oil collecting pipe are provided with the oil collecting pipe joint on the other side, and the oil collecting pipe joint is provided with a plurality of groups.

[0007] Preferably, the first upper oil collecting pipe, the second upper oil collecting pipe, the first lower oil collecting pipe and the second lower oil collecting pipe are respectively welded and formed on the platform.

[0008] Preferably, one end of the fixing plate is welded on one side of the I-beam, and the spacing of the fixing plate is the same as the spacing of the radiator pipe joint on the oil collecting pipe.

[0009] A method for overall assembly of a power transformer radiator, comprising the following methods:

[0010] S11: first, the parts for overall assembly of the power transformer radiator are prepared and inspected;

[0011] S12: the oil collecting pipe is welded and aligned;

[0012] S13: the tooling device is installed and assembled;

[0013] S14: the support pipe is assembled and confirmed;

[0014] S15: the weld is primed and marked;

[0015] S16: the overall frame of the oil collecting pipe is lifted and assembled.

[0016] Preferably, in step S11, when the parts for overall assembly of the power transformer radiator are prepared and inspected, the following steps are included:

[0017] S21: Prepare the required manifold pipeline components, including the upper manifold pipeline, the lower manifold pipeline, the support pipe, the fixing plate, the I-beam, the hanging ladder, etc.

[0018] S22: Arrange these components on the ground platform, ensuring sufficient operating space;

[0019] S23: Check the integrity of all components to confirm that there is no damage or loss.

[0020] As a preferred, step S12, when welding and aligning the manifold pipeline, includes the following steps:

[0021] S31: Weld and form the upper manifold oil pipeline on the same side of the transformer on the platform;

[0022] S32: Weld and form the lower manifold oil pipeline on the platform;

[0023] S33: Align the welded manifold pipeline, adjust its spacing, diagonal size, straightness and perpendicularity, etc. to ensure compliance with requirements.

[0024] As a preferred, step S13, when installing and assembling the tooling device, includes the following steps:

[0025] S41: Install the tooling device composed of I-beams and fixing plates, hanging ladders at the manifold pipeline joint position;

[0026] S42: The spacing size between the fixing plates should match the joint spacing of the finned radiator to be installed;

[0027] S43: Ensure that the size of the fixing plate is the same as that of the pipe joint flange plate to facilitate installation.

[0028] As a preferred, step S14, when assembling and confirming the support pipeline, includes the following steps:

[0029] S51: Assemble the support pipe between the two manifold pipes, ensuring that the connection between the support pipe and the manifold pipe is in a spot welding state;

[0030] S52: Check the assembled support pipeline to confirm its firmness.

[0031] As a preferred, step S15, when primer welding and marking the welds, includes the following steps:

[0032] S61: Primer weld all the welds to be welded to ensure the firmness of the welds;

[0033] S62: Mark after assembly to facilitate subsequent installation and inspection.

[0034] As preferred, step S16, when hoisting and overall assembling the whole frame of the manifold pipeline, comprises the following steps:

[0035] S71: Hoist the whole frame of the manifold pipeline, and ensure smooth and safe hoisting process;

[0036] S72: Overall assemble the interface part of the hoisted whole frame of the manifold pipeline with the transformer oil tank;

[0037] S73: Check and debug the assembled radiator to ensure its normal operation.

[0038] The beneficial effects of the present application are:

[0039] 1. By ground assembly, the risk of high-altitude operation is greatly reduced, ensuring the safety of workers, and at the same time, the assembly on the ground platform can more conveniently find the right, adjust the spacing, diagonal size, straightness, perpendicularity and other parameters, and can more efficiently perform welding and hoisting operations, simplifying the assembly process of the manifold pipeline, making the assembly process more simple and efficient, thereby improving the efficiency of the assembly work. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 A first three-dimensional configuration schematic diagram of a device for overall assembly of a power transformer radiator is shown.

[0041] Figure 2 A second three-dimensional configuration schematic diagram of a device for overall assembly of a power transformer radiator is shown.

[0042] Figure 3 A planar schematic diagram of a device for overall assembly of a power transformer radiator is shown.

[0043] Figure 4 A working flow schematic diagram of a method for overall assembly of a power transformer radiator is shown.

[0044] Reference signs: 1, first upper manifold pipeline; 2, second upper manifold pipeline; 3, first lower manifold pipeline; 4, second lower manifold pipeline; 5, fixed plate; 6, lifting ladder; 7, vertical support pipeline; 8, I-beam; 9, manifold pipeline pipe joint; 10, vertical support pipeline pipe joint. DETAILED DESCRIPTION

[0045] The present application will be further described below in conjunction with the drawings and examples.

[0046] Please refer to Figures 1-3The application provides an embodiment of a device for overall assembly of a power transformer radiator, which comprises a first upper oil collecting pipe 1, a second upper oil collecting pipe 2, a first lower oil collecting pipe 3, a second lower oil collecting pipe 4, a fixing plate 5, a hanging ladder 6, a vertical support pipe 7, an I-shaped steel 8, an oil collecting pipe joint 9 and a vertical support pipe joint 10, the first upper oil collecting pipe 1 is welded with the second upper oil collecting pipe 2 on one side, the first lower oil collecting pipe 3 is arranged below the first upper oil collecting pipe 1, the first lower oil collecting pipe 3 is welded with the second lower oil collecting pipe 4 on one side, a plurality of vertical support pipes 7 are arranged between the first upper oil collecting pipe 1 and the first lower oil collecting pipe 3, the vertical support pipe 7 is provided with the vertical support pipe joint 10 at both ends, the first upper oil collecting pipe 1 and the first lower oil collecting pipe 3 are provided with the fixing plate 5 on one side, the fixing plate 5 is provided with a plurality of groups, the hanging ladder 6 is arranged between the first upper oil collecting pipe 1 and the first lower oil collecting pipe 3, the hanging ladder 6 is provided with a plurality of groups, the hanging ladder 6 is provided with the I-shaped steel 8 at both ends, the first upper oil collecting pipe 1 and the first lower oil collecting pipe 3 are provided with the oil collecting pipe joint 9 on the other side, and the oil collecting pipe joint 9 is provided with a plurality of groups.

[0047] Preferably, the first upper oil collecting pipe 1, the second upper oil collecting pipe 2, the first lower oil collecting pipe 3 and the second lower oil collecting pipe 4 are respectively welded and formed on the platform.

[0048] Preferably, one end of the fixing plate 5 is welded on one side of the I-shaped steel 8, and the spacing of the fixing plate 5 is the same as the spacing of the radiator pipe joint of the collecting pipe.

[0049] Please refer to Figure 4 A power transformer radiator overall assembly method of a device for overall assembly of a power transformer radiator, which comprises the following methods.

[0050] S11: first, the parts for overall assembly of the power transformer radiator are prepared and inspected;

[0051] S12: the collecting pipe is welded and aligned;

[0052] S13: the tooling device is installed and assembled;

[0053] S14: the support pipe is assembled and confirmed;

[0054] S15: the weld is primed and marked;

[0055] S16: the overall frame of the collecting pipe is lifted and assembled.

[0056] As preferred, step S11, when preparing the inspection of each part of the overall assembly of the power transformer radiator, includes the following steps:

[0057] S21: Prepare the required manifold pipeline components, including the upper manifold pipeline, the lower manifold pipeline, the support pipe, the fixed plate, the I-beam, the hanging ladder, etc.

[0058] S22: Arrange these components on the ground platform to ensure sufficient operating space.

[0059] S23: Check the integrity of all components to confirm that there is no damage or loss.

[0060] As preferred, step S12, when welding and aligning the manifold pipeline, includes the following steps:

[0061] S31: Weld the upper manifold oil pipeline on the same side of the transformer into shape on the platform.

[0062] S32: Weld the lower manifold oil pipeline into shape on the platform.

[0063] S33: Align the welded manifold pipeline, adjust its spacing, diagonal size, straightness and perpendicularity, etc. to ensure compliance with the requirements.

[0064] As preferred, step S13, when installing and assembling the tooling device, includes the following steps:

[0065] S41: Install the tooling device composed of I-beams and fixed plates, hanging ladders at the manifold oil pipeline joint position.

[0066] S42: The spacing size between the fixed plates should match the joint spacing of the sheet type radiator to be installed.

[0067] S43: Ensure that the fixed plate is the same size as the pipe joint flange to facilitate installation.

[0068] As preferred, step S14, when assembling and confirming the support pipeline, includes the following steps:

[0069] S51: Assemble the support pipe between the two manifold pipes to ensure that the connection between the support pipe and the manifold pipe is in a spot welding state.

[0070] S52: Check the assembled support pipeline to confirm its firmness.

[0071] As preferred, step S15, when primer welding and marking the weld, includes the following steps:

[0072] S61: Primer weld all the welds to be welded to ensure the firmness of the welds.

[0073] S62: Marking after assembly to facilitate subsequent installation and inspection.

[0074] As preferred, step S16, when hoisting and assembling the whole frame of the manifold pipeline, comprises the following steps:

[0075] S71: Hoist the whole frame of the manifold pipeline to ensure smooth and safe hoisting.

[0076] S72: Assemble the whole frame of the manifold pipeline with the transformer tank interface.

[0077] S73: Check and debug the assembled radiator to ensure normal operation.

[0078] Example 1

[0079] When assembling the whole frame of the power transformer radiator, the following steps are taken:

[0080] 1. Weld the first upper manifold pipeline 1 and the second upper manifold pipeline 2 on the same side of the transformer, and then connect and install them on the platform.

[0081] 2. Weld the first lower manifold pipeline 3 and the second lower manifold pipeline 4 on the same side of the transformer, and then connect and install them on the platform.

[0082] 3. Adjust the first upper manifold pipeline 1 and the second upper manifold pipeline 2 with the first lower manifold pipeline 3 and the second lower manifold pipeline 4 on the ground platform to find the right position, adjust the distance between the upper and lower manifold pipelines, the diagonal line size, straightness, perpendicularity and other parameters to meet the requirements, and the vertical support pipeline joint 10 and the manifold pipeline are in a spot welding state.

[0083] 4. Install the tooling device composed of I-beam 8, fixing plate 5 and lifting ladder 6 at the position of manifold pipeline joint 9.

[0084] 5. Assemble the vertical support pipeline 7 between the manifold pipelines, mark after assembly, and perform backing welding on all welds.

[0085] 6. Hoist the whole frame of the manifold pipeline, and perform overall assembly operation with the oil tank interface.

[0086] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. An apparatus for the integral assembly of a power transformer radiator, characterized by: The utility model relates to a kind of power transformer radiator, including first upper manifold oil pipeline (1), second upper manifold oil pipeline (2), first lower manifold oil pipeline (3), second lower manifold oil pipeline (4), fixed plate (5), hanging ladder (6), vertical support pipeline (7), I-beam (8), manifold oil pipeline pipe joint (9) and vertical support pipeline pipe joint (10), one side of first upper manifold oil pipeline (1) is welded with second upper manifold oil pipeline (2), first lower manifold oil pipeline (3) is arranged in the lower of first upper manifold oil pipeline (1), one side of first lower manifold oil pipeline (3) is welded with second lower manifold oil pipeline (4), vertical support pipeline (7) is arranged between first upper manifold oil pipeline (1) and first lower manifold oil pipeline (3), vertical support pipeline pipe joint (10) is arranged at both ends of vertical support pipeline (7), fixed plate (5) is arranged on the side of first upper manifold oil pipeline (1) and first lower manifold oil pipeline (3), fixed plate (5) is provided with multiple groups, hanging ladder (6) is arranged between first upper manifold oil pipeline (1) and first lower manifold oil pipeline (3), hanging ladder (6) is provided with multiple groups, I-beam (8) is arranged at both ends of hanging ladder (6), manifold oil pipeline pipe joint (9) is arranged on the other side of first upper manifold oil pipeline (1) and first lower manifold oil pipeline (3), manifold oil pipeline pipe joint (9) is provided with multiple groups.

2. A device for integral assembly of a heat sink for a power transformer according to claim 1, characterized in that: First upper manifold oil pipeline (1), second upper manifold oil pipeline (2), first lower manifold oil pipeline (3) and second lower manifold oil pipeline (4) are welded and formed on the platform respectively.

3. A device for integral assembly of a heat sink for a power transformer according to claim 2, characterized in that: One end of fixed plate (5) is welded on the side of I-beam (8), and the interval of fixed plate (5) is same with the interval of manifold pipe radiator pipe joint.

4. A method for the integral assembly of a power transformer radiator according to any one of claims 1 to 3, characterized in that: The utility model relates to a kind of power transformer radiator, including the following methods: S11: first, the preparation inspection of each part component for the overall assembly of power transformer radiator is carried out; S12: the welding and alignment of manifold pipeline are carried out; S13: the installation assembly of tooling device is carried out; S14: the assembly and confirmation of support pipeline are carried out; S15: the backing welding and marking of weld are carried out; S16: the overall assembly of manifold pipeline frame is carried out.

5. A method of assembling a radiator for an electrical transformer in one piece according to claim 4, characterized in that: In step S11, when the preparation inspection of each part component for the overall assembly of power transformer radiator is carried out, the following steps are included: S21: the required manifold oil pipeline components are prepared, including upper manifold pipeline, lower manifold pipeline, support pipe, fixed plate, I-beam, hanging ladder; S22: the components are arranged on the ground platform, to ensure sufficient operation space; S23: the integrity of all components is checked, to confirm that there is no damage or loss.

6. A method of assembling a radiator for an electrical transformer in one piece according to claim 5, characterized in that: In step S12, when the welding and alignment of manifold pipeline are carried out, the following steps are included: S31: the upper manifold oil pipeline of transformer on the same side is welded and formed on the platform; S32: the lower manifold oil pipeline is also welded and formed on the platform; S33: the alignment of welded manifold pipeline is carried out, to adjust its interval, diagonal dimension, straightness and perpendicularity parameters, to ensure that the requirements are met.

7. A method of assembling a radiator for an electrical transformer in one piece according to claim 6, characterized in that: In step S13, when the installation assembly of tooling device is carried out, the following steps are included: S41: Install the tooling device composed of I-beam and fixed plate, hanging ladder at the position of manifold pipe joint; S42: The spacing between the fixed plates should match the spacing of the sheet type radiator joint to be installed; S43: Ensure that the size of the fixed plate is the same as that of the pipe joint flange plate, so as to be installed in cooperation.

8. A method of assembling a radiator for an electrical transformer in one piece according to claim 7, characterized in that: Step S14, when assembling and confirming the support pipeline, includes the following steps: S51: Assemble the support pipe between the two manifold pipes, and ensure that the connection between the support pipe and the manifold pipe is in a spot welding state; S52: Check the assembled support pipeline to confirm its firmness.

9. A method of assembling a radiator for an electrical transformer in one piece according to claim 8, characterized in that: Step S15, when primer welding and marking the weld, includes the following steps: S61: Primer weld all the welds to be welded to ensure the firmness of the welds; S62: Mark after assembly to facilitate subsequent installation and inspection.

10. A method of assembling a radiator for an electrical transformer in one piece according to claim 9, characterized in that: Step S16, when hoisting and overall assembling the overall frame of the manifold pipeline, includes the following steps: S71: Hoist the overall frame of the manifold pipeline, and ensure that the hoisting process is stable and safe; S72: Overall assemble the overall frame of the manifold pipeline hoisted with the interface part of the transformer oil tank; S73: Check and debug the assembled radiator to ensure its normal operation.

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