CN2092383U - Double cup type self-seal and hydraulic pressure casing swage - Google Patents
Double cup type self-seal and hydraulic pressure casing swage Download PDFInfo
- Publication number
- CN2092383U CN2092383U CN91204262U CN91204262U CN2092383U CN 2092383 U CN2092383 U CN 2092383U CN 91204262 U CN91204262 U CN 91204262U CN 91204262 U CN91204262 U CN 91204262U CN 2092383 U CN2092383 U CN 2092383U
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- bowl
- expansion joint
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Abstract
The utility model relates to a tube expander, which aims at providing a hydraulic tube expander needed by the expansion joint of a heat exchange tube with the general precision. The problem caused by the complicated technical skill of the expansion joint is that the requirements to the expansion joint sealing materials and the precision of the inner holes of the heat exchange tube are high. The utility model which adopts a high pressure testing pump as the source of high pressure is composed of an expansion head 1, adjustment nuts 2, a rear shim 3, a front shim 6, an outer bowl 4, an inner bowl 5 and a guiding head. The utility model which is conveniently operated can be used repeatedly, a plurality of hydraulic tube expanders can be used simultaneously, and the deformation of the expansion joint can be controlled; the quality of the expansion joint is convenient for the self test. The utility model can be suitable for the processing of the expansion joint of various tube sheets with different shapes and thicknesses and tubes with various materials and various specifications.
Description
The utility model relates to tube expander.
The hydraulic expanding tube device now is widely used for expanded joint processing as the strut means of hydraulic expanding tube technology, and its expanded joint speed is fast, the efficient height, and the omnidistance swelling of energy makes each hole swelling degree uniformity of whole tube sheet, and crudy is good.But, limited range of application because its technical matters complexity to expanded joint encapsulant and heat exchanger tube endoporus required precision height, makes it to be widely used in the expanded joint processing of general precision pipe.
The purpose of this utility model provides a kind of hydraulic expanding tube device that can be applicable to that general precision heat exchanger tube expanded joint is required.
The purpose of this utility model is to realize like this, newly-designed double cup type self sealss hydraulic expanding tube device, adopt high pressure testing pump to make high-voltage power supply, highly pressurised liquid is provided, by bloated head, adjust nut, pad, outer bowl, interior bowl and target seeker assemble, the head that it is characterized in that expanding is a cylinder with the level, its front-end and back-end are equipped with screw thread, front end dress target seeker, the rear end connects with high pressure testing pump, the rear end is provided with the centre bore that enters highly pressurised liquid and liquid lead to annular seal space through centre bore radial hole, expand the rim of a bowl that a front-end and back-end also is provided with symmetry towards the interior bowl of annular seal space and outer bowl, in bowl and the head that expands for being fixedly connected, outer bowl is by the adjustment nut location that can adjust its axial internal clearance respectively, front pad and back pad are located at respectively between outer bowl and the adjustment nut.
Be described further below in conjunction with drawings and Examples.
Fig. 1 is a double cup type self sealss hydraulic expanding tube device cutaway view.
State cutaway view when Fig. 2 is the work of double cup type self sealss hydraulic expanding tube device.
Mark among the figure: 1. the head that expands, 2. conditioning nut, 3. back pad,, 4. outer bowl, 5. in bowl, 6. front pad, 7. target seeker, 8. by the expand tube inwall, 9. tube sheet, 10. centre bore, 11. radial holes, 12. annular seal spaces.
As shown in drawings: double cup type self sealss hydraulic expanding tube device, by expanding 1, adjusting nut 2, back pad 3, outer bowl 4, interior bowl 5 and target seeker 7 and assemble, bloated 1 is a cylinder with the level, its front-end and back-end are equipped with screw thread, front end dress target seeker 7, the rear end connects with high pressure type press strip, and highly pressurised liquid enters by bowl 4, interior bowl 5 annular seal spaces that constitute 12 outside being reached by expand tube inwall 8 through centre bore 10, radial hole 11.Expand the rim of a bowl that 1 front-end and back-end also is provided with symmetry towards the interior bowl 5 of annular seal space and outer bowl 4, in bowl 5 with expand 1 for being fixedly connected, outer bowl 4 is by adjustment nut 2 location that can adjust its axial internal clearance respectively, and front pad 6 and back pad 3 are located at outer bowl 4 respectively and adjust between the nut 2.Have the reinstatement performance repeatedly used in bowl 5 make by spring steel, thereby and be provided with and can produce the bowl-shape profile that axial deformation causes that external diameter increases; Have and be convenient to insert by in the expand tube, play the outer bowl 4 of initial sealing function again and made by rubber, its profile is also like bowl-shape, outer bowl 4 have the shifting ground supporting in bowl 5.The highly pressurised liquid that enters annular seal space 12 like this makes interior bowl 5 produce axial deformations and enlarge its external diameter; the protective effect of bowl 5 supporting role and front pad 6 and back pad 3 in 4 pairs in the bowl outside adding; the self sealss that guaranteed annular seal space 12 are maintained; highly pressurised liquid in the annular seal space 12 makes by expand tube 8 inwalls and produces plasticity hole enlargement distortion and make tube sheet 9 produce bullet one plastic deformation, finishes expanded joint work.Because 9 pairs of tube sheets have produced the pipe of plastic deformation and have produced the powerful power of holding tightly, have guaranteed bonding strength and sealing property between the tube-to-tube sheet connection.
Double cup type self sealss tube expander, easy and simple to handle, can use repeatedly, can a plurality ofly use simultaneously, the expanded joint deflection is controlled, the expanded joint quality is convenient to self check, applicable to various difformity tube sheets and dark tubesheet holes or bimetallic tube plate hole, also can be used for the expander expanded joint processing of tiny, big caliber, high temperature resistant, high pressure resistant tubulation.And help to realize carrying out production strictly in line with rules and regulations and the expanded joint process automation.
Claims (2)
1, double cup type self sealss hydraulic expanding tube device, adopt high pressure testing pump to make high-voltage power supply, highly pressurised liquid is provided, by bloated 1, adjust nut 2, back pad 3, front pad 6, outer bowl 4, interior bowl 5 and target seeker 7 assemble, it is characterized in that bloated 1 is a cylinder with the level, its front-end and back-end are equipped with screw thread, front end dress target seeker 7, the rear end connects with high pressure testing pump, the rear end is provided with the centre bore 10 that enters highly pressurised liquid and liquid lead to annular seal space through centre bore 10 radial hole 11, expand the rim of a bowl that 1 front-end and back-end also is provided with symmetry towards the interior bowl 5 of annular seal space and outer bowl 4, in bowl 5 with expand 1 for being fixedly connected, outer bowl 4 is by adjustment nut 2 location that can adjust its axial internal clearance respectively, and front pad 6 and back pad 3 are located at outer bowl 4 respectively and adjust between the nut 2.
2, hydraulic expanding tube device as claimed in claim 1, it is characterized in that having the reinstatement performance repeatedly used in bowl 5 make by spring steel, and be provided with and can produce the bowl-shape profile that axial deformation causes that external diameter increases; Have and be convenient to insert by in the expand tube, play the outer bowl 4 of initial sealing function again and made by rubber, its profile is also like bowl-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91204262U CN2092383U (en) | 1991-03-23 | 1991-03-23 | Double cup type self-seal and hydraulic pressure casing swage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91204262U CN2092383U (en) | 1991-03-23 | 1991-03-23 | Double cup type self-seal and hydraulic pressure casing swage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2092383U true CN2092383U (en) | 1992-01-08 |
Family
ID=4914397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91204262U Withdrawn CN2092383U (en) | 1991-03-23 | 1991-03-23 | Double cup type self-seal and hydraulic pressure casing swage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2092383U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157106B (en) * | 2006-10-03 | 2011-02-09 | 杉野机器株式会社 | Mandrel sealing part |
| CN101362175B (en) * | 2007-08-09 | 2011-08-24 | 速技能机械有限公司 | Mandril sealing section |
| CN105583310A (en) * | 2014-10-20 | 2016-05-18 | 北京有色金属研究总院 | Hole-enlarging deforming device and method for metal pipe fitting |
| CN106862360A (en) * | 2017-01-16 | 2017-06-20 | 柳州科瑞科技有限公司 | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair |
| CN107008797A (en) * | 2017-05-31 | 2017-08-04 | 张家港幸运金属工艺品有限公司 | The swollen pattern tool of bottle wall of stainless steel water bottle |
| CN106853473B (en) * | 2016-12-06 | 2019-02-22 | 柳州科瑞科技有限公司 | A kind of zigzag push top for forming high pressure in pipe |
| CN112719104A (en) * | 2020-12-02 | 2021-04-30 | 安徽扬天金塑新能源装备股份公司 | Double-station efficient hydraulic pipe expander |
-
1991
- 1991-03-23 CN CN91204262U patent/CN2092383U/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157106B (en) * | 2006-10-03 | 2011-02-09 | 杉野机器株式会社 | Mandrel sealing part |
| CN101362175B (en) * | 2007-08-09 | 2011-08-24 | 速技能机械有限公司 | Mandril sealing section |
| CN105583310A (en) * | 2014-10-20 | 2016-05-18 | 北京有色金属研究总院 | Hole-enlarging deforming device and method for metal pipe fitting |
| CN106853473B (en) * | 2016-12-06 | 2019-02-22 | 柳州科瑞科技有限公司 | A kind of zigzag push top for forming high pressure in pipe |
| CN106862360A (en) * | 2017-01-16 | 2017-06-20 | 柳州科瑞科技有限公司 | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair |
| CN107008797A (en) * | 2017-05-31 | 2017-08-04 | 张家港幸运金属工艺品有限公司 | The swollen pattern tool of bottle wall of stainless steel water bottle |
| CN107008797B (en) * | 2017-05-31 | 2018-10-02 | 张家港幸运金属工艺品有限公司 | The swollen pattern tool of bottle wall of stainless steel water bottle |
| CN112719104A (en) * | 2020-12-02 | 2021-04-30 | 安徽扬天金塑新能源装备股份公司 | Double-station efficient hydraulic pipe expander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |