CN211102259U - Cast silicon-aluminum heat exchanger heat exchange column repair welding device - Google Patents
Cast silicon-aluminum heat exchanger heat exchange column repair welding device Download PDFInfo
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- CN211102259U CN211102259U CN201921783292.5U CN201921783292U CN211102259U CN 211102259 U CN211102259 U CN 211102259U CN 201921783292 U CN201921783292 U CN 201921783292U CN 211102259 U CN211102259 U CN 211102259U
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- repair welding
- heat exchange
- lead screw
- exchange column
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Abstract
The utility model discloses a cast silicon-aluminum heat exchanger heat transfer post and restore repair welding device, mainly used restores repair welding to the heat transfer post on the casting heat exchanger, by the bottom plate, lead screw elevating system, and a support, the column casing is constituteed, its main technical characteristics is to densely covered and the little heat transfer post of diameter, adopt column casing auxiliary device to carry out repair welding to the heat transfer post of defect, drive reciprocating of column casing through lead screw mechanism, welder carries out repair welding to the heat transfer post in the column casing, the repair welding one deck, the distance of column casing rebound one deck, until heat transfer post repair welding has been accomplished. The device adopts the lead screw as the transmission device, has simple structure and convenient operation, not only meets the repair welding requirement of the heat exchange column, but also is economical and practical.
Description
Technical Field
The utility model relates to a repair welding device for the repair welding of the heat exchange column of cast silicon-aluminum heat exchanger.
Background
Because the cast silicon-aluminum heat exchanger is limited by structural characteristics, the heat exchange columns on the cast silicon-aluminum heat exchanger are densely distributed, thousands of heat exchange columns are uniformly distributed on each heat exchanger, the defects of meat shortage, insufficient filling, external force breakage and the like can often occur, repair welding needs to be carried out on each defective heat exchange column, the heat exchange columns are densely distributed, the diameter is small, gaps among the columns are small, the repair welding is difficult, the repair welding of the forming of molten metal is difficult to control, and polishing cannot be carried out.
Disclosure of Invention
The utility model aims at providing a repair welding device of heat exchange column of cast silicon-aluminum heat exchanger to solve the repair welding problem of heat exchange column that distributes densely, the diameter is little, the clearance is little.
The key technology of the utility model is that: the repairing and welding device for the heat exchange column of the cast silicon-aluminum heat exchanger comprises a bottom plate, a lead screw lifting mechanism, a support and a column sleeve. The bottom plate is arranged on the casting heat exchange column of the casting in a horizontal mode, the lead screw lifting mechanism is fixed on the bottom plate, the support is made of two thin steel plates, the support is arranged on the lead screw lifting mechanism, the lead screw lifting mechanism drives the support to move up and down, the column sleeve is fixed between the two thin steel plates of the support and sleeved on the incomplete heat exchange column, and the lead screw lifting mechanism drives the support and the column sleeve to move axially along the incomplete heat exchange column of the casting.
The utility model has the advantages that: simple structure, convenient operation, easily realize the repair welding of intensive heat transfer post, the welding bead shaping is standard, pleasing to the eye, and need not polish.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a front view and a working schematic diagram of the repairing and welding device for the heat exchange column of the cast silicon-aluminum heat exchanger.
Fig. 2 is a top view of the repair welding device for repairing the heat exchange column of the cast silicon-aluminum heat exchanger.
In the figure: 1. the bottom plate 2, the lead screw lifting mechanism 3, the bracket 4, the column sleeve 5, the casting 6 and the incomplete heat exchange column.
Detailed Description
As shown in fig. 1-2, the bottom plate is horizontally arranged on the casting heat exchange column of the casting, the screw rod lifting mechanism is fixed on the bottom plate, the support is arranged on the screw rod lifting mechanism, the screw rod lifting mechanism drives the support to move up and down, the column sleeve is fixed at the end part of the support, the middle of the two steel sheets is sleeved on the incomplete heat exchange column to be repaired, and the screw rod lifting mechanism drives the support and the column sleeve to move up and down along the axial direction of the casting incomplete heat exchange column.
Before welding, according to the heat exchange column to be repaired and welded, selecting a proper position, firstly, horizontally arranging the cast silicon-aluminum heat exchanger heat exchange column repairing and repairing welding device on a casting, stably placing and fixing the cast silicon-aluminum heat exchanger heat exchange column repairing and repairing welding device, then, manually swinging a lead screw lifting mechanism, inserting a support into a gap between rows of the heat exchange columns, and meanwhile, sleeving a column sleeve on the incomplete heat exchange column to be repaired and welded.
And manually adjusting the screw lifting mechanism to enable the top end of the column sleeve to be 6-10mm away from the top end of the heat exchange column, so that the column sleeve is suitable for repair welding. And (4) adopting multilayer welding according to the defect size in repair welding. After one layer is welded fully, the lead screw lifting mechanism is shaken to move upwards, so that the distance between the top end of the column sleeve and the top end of the heat exchange column is 6-10mm, and the second layer is subjected to repair welding. Repeating the steps until the size of the incomplete heat exchange column meets the standard requirement.
After the repair welding of one incomplete heat exchange column is finished, the lead screw lifting mechanism is shaken to move upwards, so that the column sleeve is separated from the heat exchange column which is subjected to repair welding. And moving the cast silicon-aluminum heat exchanger heat exchange column repair welding device again, and repair welding the next casting heat exchange column.
Claims (3)
1. A repairing and welding device for a heat exchange column of a cast silicon-aluminum heat exchanger comprises a bottom plate (1), a lead screw lifting mechanism (2), a bracket (3) and a column sleeve (4); the method is characterized in that: the lead screw lifting mechanism (2) is fixed on the bottom plate (1), the support (3) is arranged on the lead screw lifting mechanism (2), the lead screw lifting mechanism (2) drives the support (3) to move up and down, the column sleeve (4) is fixed on the support (3), and the lead screw lifting mechanism (2) drives the support (3) and the column sleeve (4) to move up and down along the axial direction of the incomplete heat exchange column (6) on the casting (5) to be repaired.
2. The cast silicon aluminum heat exchanger heat exchange column repair welding device of claim 1, which is characterized in that: the screw lifting mechanism (2) is of a hand-operated ball screw structure, and is adjusted to lift according to the height of the weld repairing bead.
3. The cast silicon aluminum heat exchanger heat exchange column repair welding device of claim 1, which is characterized in that: the support (3) is made of two thin steel plates, and the column sleeve (4) is clamped between the two thin steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783292.5U CN211102259U (en) | 2019-10-23 | 2019-10-23 | Cast silicon-aluminum heat exchanger heat exchange column repair welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783292.5U CN211102259U (en) | 2019-10-23 | 2019-10-23 | Cast silicon-aluminum heat exchanger heat exchange column repair welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211102259U true CN211102259U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921783292.5U Active CN211102259U (en) | 2019-10-23 | 2019-10-23 | Cast silicon-aluminum heat exchanger heat exchange column repair welding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211102259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695556A (en) * | 2019-10-23 | 2020-01-17 | 中煤张家口煤矿机械有限责任公司 | Repairing repair welding method and device for heat exchange column of cast silicon-aluminum heat exchanger |
-
2019
- 2019-10-23 CN CN201921783292.5U patent/CN211102259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695556A (en) * | 2019-10-23 | 2020-01-17 | 中煤张家口煤矿机械有限责任公司 | Repairing repair welding method and device for heat exchange column of cast silicon-aluminum heat exchanger |
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