CN102133603A - Method and special device for entire expanded joint of heat exchanger - Google Patents
Method and special device for entire expanded joint of heat exchanger Download PDFInfo
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- CN102133603A CN102133603A CN 201110072272 CN201110072272A CN102133603A CN 102133603 A CN102133603 A CN 102133603A CN 201110072272 CN201110072272 CN 201110072272 CN 201110072272 A CN201110072272 A CN 201110072272A CN 102133603 A CN102133603 A CN 102133603A
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- heat exchanger
- worm
- plug
- expanded joint
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Abstract
The invention discloses a method and special device for entire expanded joint of a heat exchanger. Expanded joint is carried out by adopting the device for entire expanded joint. The device for entire expanded joint comprises a power-driven lead screw device, wherein lead screw nuts of the power-driven lead screw device are fixedly connected with tubeplates on which a plurality of core rods penetrating in heat exchanging tubes when in used are arranged, and the front ends of the core rods are in the shape of a sphere with the diameter larger than the internal diameters of the heat exchanging tubes; during expanded joint, the core rods are penetrated in the heat exchanging tubes, the rear ends of the core rods are connected with the tubeplates, the spherical parts of the front ends of the core rods protrude outside the end parts of the heat exchanging tubes, the tubeplates are enabled to move backwards through the power-driven lead screw device, and the spherical parts of the core rods penetrate through the heat exchanging tubes under the drive of the tubeplates so that the heat exchanging tubes are tightly combined with fins. All the heat exchanging tubes in the device are stressed simultaneously, the fins of the heat exchanger are stressed uniformly, have less possibility of distortion and can not loosen in the running process, thereby ensuring the processing quality and running reliability of the heat exchanger and increasing the processing efficiency of the heat exchanger.
Description
Technical field
The present invention relates to whole expanding joint method of a kind of heat exchanger and isolated plant.
Background technology
The heat exchanger tube expanding joint method of existing heat exchanger is general to be adopted by the root expanding joint method, as " tube expander that a kind of heat exchanger is used " (2009.1 Chinese patent application such as Chen Shaokai number: 200910036532.X).Each heat exchanger tube expands successively when the root expanded joint, and fin is stressed successively, and the heat exchanger distortion that easily is distorted in running, can produce looseningly between part fin and the heat exchanger tube, influence radiating effect, and it is lower to pursue root expanded joint working (machining) efficiency.
The invention provides the method and apparatus of the whole expand tube of a kind of heat exchanger, special nuclear power station air processor and the heat exchanger tube of large-scale central air-conditioning unit heat exchanger and the expanded joint of fin.
Summary of the invention
The object of the present invention is to provide a kind of raising expand tube efficient, guarantee the isolated plant of the whole expanding joint method of heat exchanger of heat exchanger processing quality.
Technical solution of the present invention is:
The whole expanding joint method of a kind of heat exchanger is characterized in that: adopt whole expanded joint device to carry out expanded joint; Described whole expanded joint device comprises electronic feed screw apparatus, and the feed screw nut and the card of electronic feed screw apparatus are connected, and is installed on the plug in the heat exchanger tube when adorning many uses on the card, and the front end of plug is the sphere of diameter greater than the heat exchanger tube internal diameter; During expanded joint, plug is installed in the heat exchanger tube, the rear end of plug is connected with card, the front end spherical part of plug is given prominence in the outside, heat exchanger tube end, by electronic feed screw apparatus card is moved backward, the spherical part of plug passes heat exchanger tube under card drives, heat exchanger tube and fin are combined closely; After expanded joint is finished, remove heat exchanger, extract plug out.
The isolated plant of the whole expanding joint method of a kind of heat exchanger, it is characterized in that: comprise base, adorn electronic feed screw apparatus on the base, the feed screw nut and the card of electronic feed screw apparatus are connected, be installed on the plug in the heat exchanger tube when adorning many uses on the card, the front end of plug is the sphere of diameter greater than the heat exchanger tube internal diameter.
Described electronic feed screw apparatus comprises motor-driven worm and gear device, bevel gear behind bevel gear before the worm-wheel shaft, the worm-wheel shaft is equipped with at the two ends, the worm-wheel shaft left and right sides of worm and gear device respectively, before the worm-wheel shaft behind bevel gear, the worm-wheel shaft bevel gear revolve the leading screw bevel gear and be connected with left and right respectively, left and right revolve the leading screw bevel gear respectively be contained in casing in the left and right leading screw that revolves be connected, left and right revolving is equipped with feed screw nut on the leading screw.
The quantity of plug is identical with the quantity of heat exchanger heat-exchanging tube.
The present invention adopts expanded joint manufacturing process of all heat exchanger tubes, and all heat exchanger tubes are simultaneously stressed, and heat exchanger fin is stressed evenly, distortion is difficult for being distorted, can not produce looseningly in the running, guarantee the crudy and the operational reliability of heat exchanger, and improved the working (machining) efficiency of heat exchanger.
Description of drawings
The whole expand tube device of Fig. 1 heat exchanger front view
The whole expand tube device of Fig. 2 heat exchanger vertical view
Fig. 3 A-A section partial view
The specific embodiment
Specify specific implementation process of the present invention below in conjunction with accompanying drawing.
Embodiment 1:
The whole expand tube device of heat exchanger of the present invention, its structure as shown in Figure 1, by by running part, expanded joint part and base are formed, and wherein running part comprises electric machine support 1, motor 2, shaft coupling 3, worm screw left bearing 4, worm screw left bearing support 5, worm screw 6, worm screw right bearing 8, worm screw right bearing support 9, worm gear 7, worm-wheel shaft 10, worm-wheel shaft fore bearing 34, worm-wheel shaft fore bearing support 35, bevel gear 37 before the worm-wheel shaft, worm-wheel shaft rear bearing 14, worm-wheel shaft rear bearing rack 13, bevel gear 11 behind the worm-wheel shaft, left-handed leading screw bevel gear 36, dextrorotation leading screw bevel gear 15, running part casing 12;
Expanded joint partly comprises left-handed leading screw left bearing 32, left-handed leading screw left bearing support 33, left-handed leading screw 31, left-handed feed screw nut 29, left-handed leading screw right bearing 27.Left-handed leading screw right bearing support 28, dextrorotation leading screw left bearing 17, dextrorotation leading screw left bearing support 16, dextrorotation leading screw 18, dextrorotation feed screw nut 20, dextrorotation leading screw right bearing 22, dextrorotation leading screw right bearing support 21, card 19, plug 25, backing pin 38, expanded joint part casing 30.
Running part and expanded joint part all are fixed on the base 26, and base 26 also is simultaneously a platform of placing heat exchanger.
The whole expanded joint device of described heat exchanger, concrete running is as follows:
1. heat exchanger is placed on the base 26;
2. fix with backing pin 38 after plug 25 being passed heat exchanger tube 24, expanded joint part system 30, card 19;
3. starter motor 2;
4. motor 2 drives worm screw 6 motions by shaft coupling 3, after worm screw 6, worm gear 7 one-levels are slowed down, pass motion to bevel gear 37 and left-handed leading screw bevel gear 36 before the worm-wheel shaft by worm-wheel shaft 10 again, and bevel gear 11 and dextrorotation leading screw bevel gear 15 carry out double reduction behind the worm-wheel shaft;
5. left-handed leading screw bevel gear 36 and dextrorotation leading screw bevel gear 36 drive left-handed leading screw 31 and 18 motions of dextrorotation leading screw respectively;
6. left-handed leading screw 31 and dextrorotation leading screw 18 drive card 19 motions by left-handed feed screw nut 29 and the dextrorotation feed screw nut 20 that is fixed on the card 19 respectively, and card 19 drives plug 25 motions by backing pin 38;
7. to left movement, the spherical part of plug 25 right-hand members expands heat exchanger tube 24 by heat exchanger tube 24 and fits tightly with fin 23 plug 25, finishes the whole expanded joint of heat exchanger under card 19 drives;
8. after expanded joint is finished, remove heat exchanger, extract backing pin 38, extract plug 25 out, and make motor 2 counter-rotatings, make card 19 move to expanded joint part right-hand member, prepare expanded joint work next time.
Claims (4)
1. the whole expanding joint method of heat exchanger is characterized in that: adopt whole expanded joint device to carry out expanded joint; Described whole expanded joint device comprises electronic feed screw apparatus, and the feed screw nut and the card of electronic feed screw apparatus are connected, and is installed on the plug in the heat exchanger tube when adorning many uses on the card, and the front end of plug is the sphere of diameter greater than the heat exchanger tube internal diameter; During expanded joint, plug is installed in the heat exchanger tube, the rear end of plug is connected with card, the front end spherical part of plug is given prominence in the outside, heat exchanger tube end, by electronic feed screw apparatus card is moved backward, the spherical part of plug passes heat exchanger tube under card drives, heat exchanger tube and fin are combined closely; After expanded joint is finished, remove heat exchanger, extract plug out.
2. the isolated plant of the whole expanding joint method of the described heat exchanger of a claim 1, it is characterized in that: comprise base, adorn electronic feed screw apparatus on the base, the feed screw nut and the card of electronic feed screw apparatus are connected, be installed on the plug in the heat exchanger tube when adorning many uses on the card, the front end of plug is the sphere of diameter greater than the heat exchanger tube internal diameter.
3. the isolated plant of the whole expanding joint method of heat exchanger according to claim 2, it is characterized in that: described electronic feed screw apparatus comprises motor-driven worm and gear device, bevel gear behind bevel gear before the worm-wheel shaft, the worm-wheel shaft is equipped with at the two ends, the worm-wheel shaft left and right sides of worm and gear device respectively, before the worm-wheel shaft behind bevel gear, the worm-wheel shaft bevel gear revolve the leading screw bevel gear and be connected with left and right respectively, left and right revolve the leading screw bevel gear respectively be contained in casing in the left and right leading screw that revolves be connected, left and right revolving is equipped with feed screw nut on the leading screw.
4. according to the isolated plant of claim 2 or the whole expanding joint method of 3 described heat exchangers, it is characterized in that: the quantity of plug is identical with the quantity of heat exchanger heat-exchanging tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110072272 CN102133603B (en) | 2011-03-24 | 2011-03-24 | Method and special device for entire expanded joint of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110072272 CN102133603B (en) | 2011-03-24 | 2011-03-24 | Method and special device for entire expanded joint of heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102133603A true CN102133603A (en) | 2011-07-27 |
| CN102133603B CN102133603B (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110072272 Active CN102133603B (en) | 2011-03-24 | 2011-03-24 | Method and special device for entire expanded joint of heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN102133603B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794369A (en) * | 2012-08-14 | 2012-11-28 | 珠海格力电器股份有限公司 | Porous expanded connection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB441095A (en) * | 1934-09-14 | 1936-01-13 | H & T Danks Netherton Ltd | Improvements in gilled tubes for heat-exchange apparatus |
| JPS5910427A (en) * | 1982-07-09 | 1984-01-19 | Toshiba Corp | Pipe expanding device |
| CN2564275Y (en) * | 2002-07-31 | 2003-08-06 | 中山市科力高自动化设备有限公司 | Program controlled double-power horizontal tube expander |
| CN1954933A (en) * | 2005-10-26 | 2007-05-02 | 竭国忠 | Equipment and method for manufacturing metal large diameter equal wall thickness slit elbow and expanding tube by thermal push |
| CN101642791A (en) * | 2009-08-21 | 2010-02-10 | 广东美的电器股份有限公司 | Secondary pipe expander of heat exchanger and pipe expanding method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215957Y (en) * | 1993-11-04 | 1995-12-27 | 王剑波 | Pipe expanding pushing machine |
-
2011
- 2011-03-24 CN CN 201110072272 patent/CN102133603B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB441095A (en) * | 1934-09-14 | 1936-01-13 | H & T Danks Netherton Ltd | Improvements in gilled tubes for heat-exchange apparatus |
| JPS5910427A (en) * | 1982-07-09 | 1984-01-19 | Toshiba Corp | Pipe expanding device |
| CN2564275Y (en) * | 2002-07-31 | 2003-08-06 | 中山市科力高自动化设备有限公司 | Program controlled double-power horizontal tube expander |
| CN1954933A (en) * | 2005-10-26 | 2007-05-02 | 竭国忠 | Equipment and method for manufacturing metal large diameter equal wall thickness slit elbow and expanding tube by thermal push |
| CN101642791A (en) * | 2009-08-21 | 2010-02-10 | 广东美的电器股份有限公司 | Secondary pipe expander of heat exchanger and pipe expanding method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794369A (en) * | 2012-08-14 | 2012-11-28 | 珠海格力电器股份有限公司 | Porous expanded connection device |
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| Publication number | Publication date |
|---|---|
| CN102133603B (en) | 2012-12-26 |
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| C14 | Grant of patent or utility model | ||
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Address after: No. 418, Qingnian East Road, Xianfeng street, Tongzhou District, Nantong City, Jiangsu Province, 226000 Patentee after: NANTONG KUNLUN AIR CONDITIONING Co.,Ltd. Address before: 226000, No. 26, Zhong Xiu Dong Lu, Jiangsu, Nantong Patentee before: NANTONG KUNLUN AIR CONDITIONING Co.,Ltd. |