CN103398829A - Clamping device for hydraulic test of U-shaped heat exchange tube - Google Patents
Clamping device for hydraulic test of U-shaped heat exchange tube Download PDFInfo
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- CN103398829A CN103398829A CN2013103220672A CN201310322067A CN103398829A CN 103398829 A CN103398829 A CN 103398829A CN 2013103220672 A CN2013103220672 A CN 2013103220672A CN 201310322067 A CN201310322067 A CN 201310322067A CN 103398829 A CN103398829 A CN 103398829A
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- exchanger tube
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Abstract
The invention discloses a clamping device for a hydraulic test of a U-shaped heat exchange tube. The clamping device comprises two sets of clamping mechanisms which respectively clamp two straight tubes on the U-shaped heat exchange tube. Each set of clamping mechanism comprises a bottom die with a bottom groove on a supporting platform of a support, and an upper die with an upper groove is arranged above the bottom die; under the driving of a pressing driving device, the upper groove at the bottom of the upper die can fold and clamp one straight tube on the U-shaped heat exchange tube; a sliding driving device connected with a plug with a connecting tube is also arranged on the supporting platform; under the driving of the sliding driving device, a sliding block can drive the plug to slide forward until the connecting tube on the plug is communicated with a tube mouth of the set of straight tubes in a sealing mode.
Description
Technical field
The present invention relates to the clamping device that the hydro-test of U-shaped heat exchanger tube is used.
Background technology
The structure of the U-shaped heat exchanger tube in heat interchanger comprises: the U-shaped bottom, the two ends of U-shaped bottom connect respectively straight tube.Before installing, the U-shaped heat exchanger tube all needs to carry out the pressure testing test,, as gas pressure test and hydro-test, to check it, whether seepage is arranged.Pressure testing when test, need to by clamping device with two straight tubes of U-shaped heat exchanger tube respectively clamping fix.Traditional clamping device uses very loaded down with trivial details, and clamping and dismounting are all wasted time and energy very much, thereby causes the work efficiency of U-shaped heat exchanger tube pressure testing test low.
Summary of the invention
The objective of the invention is: a kind of clamping is provided and dismantles the clamping device that all U-shaped heat exchanger tube hydro-tests are very easily used.
for achieving the above object, the technical solution used in the present invention is: the clamping device that the hydro-test of U-shaped heat exchanger tube is used, comprise: the two assembling clamp mechanisms that are used for two straight tubes on difference clamping U-shaped heat exchanger tube, the structure of every assembling clamp mechanism includes: be arranged on the bed die on the support platform of support, be provided with bottom groove recessed down on bed die, the top of bed die is provided with patrix, the bottom of patrix is provided with the recessed upper grooves that makes progress, patrix is connected with rack-mount pressing drive unit, under the driving of pressing drive unit, patrix can move down, until on the involutory bottom groove that is pressed on bed die of the upper grooves of patrix bottom, can tighten a straight tube on the U-shaped heat exchanger tube after upper grooves and bottom groove are involutory, also be provided with sliding driving device on support platform, be connected with the plug that band is taken on sliding driving device, under the driving of sliding driving device, plug can be to front slide, until the ferrule of the straight tube on the adapter on plug and this support platform is communicated with.
Further, the clamping device that the hydro-test of aforesaid U-shaped heat exchanger tube is used, wherein, the structure of pressing drive unit comprises: hydraulic cylinder, hydraulic cylinder is arranged on the support of support platform top, the lower end of hydraulic cylinder piston rod is fixedly connected with the top of patrix, at patrix under the driving of hydraulic cylinder, can move down until on the involutory bottom groove that is pressed on bed die of the upper grooves of its bottom.
Further, the clamping device that the hydro-test of aforesaid U-shaped heat exchanger tube is used, wherein, the oil pipe on two hydraulic cylinders in two assembling clamp mechanisms is connected in same hydraulic system.
Further, the clamping device that the hydro-test of aforesaid U-shaped heat exchanger tube is used, wherein, the structure of every group of sliding driving device includes: nut, nut are arranged on support platform, are provided with leading screw in nut, the head of leading screw and slide block are flexibly connected, the two ends of slide block are bearing in respectively on a pair of slide rail on support platform, rotational lead screw, leading screw can promote slide block on the slide rail of correspondence to front slide until the ferrule of the straight tube on the adapter of slide block upper plug head and place support platform be communicated with.
Further, the clamping device that the hydro-test of aforesaid U-shaped heat exchanger tube is used, wherein, but wherein be provided with the valve of folding in the adapter of the plug of an assembling in clamp mechanism, and an end of the adapter on the plug in another assembling clamp mechanism is connected with water pump.
Advantage of the present invention is: the clamping of U-shaped heat exchanger tube and dismounting are all very convenient, thereby have greatly improved the work efficiency of U-shaped heat exchanger tube hydro-test.
Description of drawings
Fig. 1 is the structural representation of the clamping device used of U-shaped heat exchanger tube of the present invention hydro-test.
Fig. 2 is A-A cross-sectional view in Fig. 1.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
as Fig. 1, shown in Figure 2, the clamping device that the hydro-test of U-shaped heat exchanger tube is used, comprise: the two assembling clamp mechanisms that are used for two straight tubes on difference clamping U-shaped heat exchanger tube, be respectively the first clamping mechanism and the second clamping mechanism, the structure of the first clamping mechanism comprises: be arranged on the first bed die 3 on the first support platform 2 of the first support 1, be provided with the first bottom groove 31 recessed down on the first bed die 3, the top of the first bed die 3 is provided with the first patrix 4, the bottom of the first patrix 4 is provided with the first recessed upper grooves 41 that makes progress, the first patrix 4 is connected with the first pressing drive unit on being arranged on the first support 1, the structure of described the first pressing drive unit comprises: the first hydraulic cylinder 5, the first hydraulic cylinder 5 is arranged on the first mounting bracket 111 of the first support platform 2 tops, the lower end of the first hydraulic cylinder piston rod 51 is fixedly connected with the top of the first patrix 4, the first patrix 4 can move down under the driving of the first hydraulic cylinder 5, until on involutory the first bottom groove 31 that is pressed on the first bed die 3 of the first upper grooves 41 of its bottom, can tighten a straight tube on the U-shaped heat exchanger tube after the first upper grooves 41 and the first bottom groove 31 are involutory, also be provided with the first sliding driving device on the first support platform 2, the first sliding driving device is connected with the first plug 12 that band is taken over, the structure of described the first sliding driving device comprises: the first nut 15, the first nut 15 is arranged on the first support platform 2, be provided with the first leading screw 16 in the first nut 15, the head of the first leading screw 16 and the first slide block 13 are flexibly connected, the two ends of described the first slide block are bearing in respectively on a pair of the first slide rail 14 on the first support platform 2, rotate the first leading screw 16, the first leading screw 16 can promote the first slide block 13 on the first slide rail 14 to front slide, until the adapter of the first plug 12 on the first slide block 13 is communicated with the ferrule of straight tube by the first upper grooves 41 and the first bottom groove 31 chucking.the structure of the second clamping mechanism comprises: be arranged on the second bed die 8 on the second support platform 7 of the second support 6, be provided with the second bottom groove 81 recessed down on the second bed die 8, the top of the second bed die 8 is provided with the second patrix 9, the bottom of the second patrix 9 is provided with the second recessed upper grooves 91 that makes progress, the second patrix 9 is connected with the second pressing drive unit on being arranged on the second support 6, the structure of described the second pressing drive unit comprises: the second hydraulic cylinder 10, the second hydraulic cylinder 10 is arranged on the second mounting bracket 61 of the second support platform 7 tops, the lower end of the second hydraulic cylinder piston rod 101 is fixedly connected with the top of the second patrix 9, the second patrix 9 can move down under the driving of the second hydraulic cylinder 10, until on involutory the second bottom groove 81 that is pressed on the second bed die 8 of the second upper grooves 91 of its bottom, can tighten another root straight tube on the U-shaped heat exchanger tube after the second upper grooves 91 and the second bottom groove 81 are involutory, also be provided with the second sliding driving device on the second support platform 7, the structure of the second sliding driving device is identical with the structure of the first sliding driving device, specifically can be with reference to figure 2, the second sliding driving device is connected with the second plug that band is taken over, the structure of described the second sliding driving device comprises: the second nut, the second nut is arranged on the second support platform 7, be provided with the second leading screw in the second nut, the head of the second leading screw and the second slide block are flexibly connected, the two ends of described the second slide block are bearing in respectively on a pair of the second slide rail on the second support platform 7, rotate the second leading screw, the second leading screw can promote the second slide block on the second slide rail to front slide, until on the second slide block, the adapter of the second plug is communicated with the ferrule of straight tube by the second upper grooves 91 and the second bottom groove 81 chucking.In the present embodiment, the oil pipe on the first hydraulic cylinder 5 and the second hydraulic cylinder 10 is connected in same hydraulic system 11.In this enforcement, the adapter of the first plug 12 in the first clamping mechanism is connected with water pump 17 in addition, but is provided with the valve of folding in the adapter of the second plug in the second clamping mechanism.In the present embodiment, realize for convenience robotization control, hydraulic system 11, water pump 17 and valve are by electrical apparatus control system 18 centralized control.
principle of work is as follows: during hydraulic test, two straight tubes of U-shaped heat exchanger tube are placed on respectively in the first bottom groove 31 and the second bottom groove 81, then send instruction to hydraulic system 11 by electrical apparatus control system 18, the first hydraulic cylinder piston rod 51 is ordered about in hydraulic system 11 work and the second hydraulic cylinder piston rod 101 moves down respectively, thereby promote respectively the first patrix 4 and the second patrix 9 downwards, until the first upper grooves 41 and the second upper grooves 91 involutory being pressed on the first bottom groove 31 and the second bottom groove 81 respectively, thereby two straight tubes that make U shape heat exchanger tube are clamped on respectively the first upper grooves 41 and the first bottom groove 31, and second between upper grooves 91 and the second bottom groove 81, rotate respectively again the first leading screw 16 and the second leading screw, make the first leading screw 16 and the second leading screw promote respectively the first slide block 13 and the second slide block to front slide, until the adapter on the adapter of the first plug 12 and the second plug is communicated with the ferrule of two straight tubes of U-shaped heat exchanger tube respectively, the U-shaped heat exchanger tube is just firm by clamping like this, then send work order by electrical apparatus control system 18 to water pump 17, water pump 17 is received in the backward U-shaped heat exchanger tube of instruction and is poured water and suppress, after the adapter water outlet on the second plug, close the valve in the adapter of the second plug, then continue to suppress, suppressed after rated pressure pressurize 15 seconds, if internal pressure had decline in 15 seconds, just illustrate that the U-shaped heat exchanger tube has seepage, illustrate that if pressure is constant the U-shaped heat exchanger tube is qualified, appliance controller system 18 will send instruction to water pump 17 and make its pressure release, the valve of opening again in the adapter of the second plug is discharged the water in the U-shaped heat exchanger tube, then electrical apparatus control system 18 sends instruction to hydraulic system 11, the first hydraulic cylinder piston rod 51 is ordered about in hydraulic system 11 work and the second hydraulic cylinder piston rod 101 is upwards retracted respectively, thereby driving the first patrix 4 and the second patrix 9 is separated with the first bed die 3 and the second bed die 8 respectively, so just the U-shaped heat exchanger tube that is completed can be withdrawn, the U-shaped heat exchanger tube that need to test of another root of clamping again.
Advantage of the present invention is: the clamping of U-shaped heat exchanger tube and dismounting are all very convenient, thereby have greatly improved the work efficiency of U-shaped heat exchanger tube hydro-test.
Claims (6)
1.U the clamping device that the hydro-test of shape heat exchanger tube is used, comprise: the two assembling clamp mechanisms that are used for two straight tubes on difference clamping U-shaped heat exchanger tube, it is characterized in that: the structure of every assembling clamp mechanism includes: be arranged on the bed die on the support platform of support, be provided with bottom groove recessed down on bed die, the top of bed die is provided with patrix, the bottom of patrix is provided with the recessed upper grooves that makes progress, patrix is connected with rack-mount pressing drive unit, under the driving of pressing drive unit, patrix can move down, until on the involutory bottom groove that is pressed on bed die of the upper grooves of patrix bottom, can tighten a straight tube on the U-shaped heat exchanger tube after upper grooves and bottom groove are involutory, also be provided with sliding driving device on support platform, be connected with the plug that band is taken on sliding driving device, under the driving of sliding driving device, plug can be to front slide, until the ferrule of the straight tube on the adapter on plug and this support platform is communicated with.
2. the clamping device used of U-shaped heat exchanger tube according to claim 1 hydro-test, it is characterized in that: the structure of pressing drive unit comprises: hydraulic cylinder, hydraulic cylinder is arranged on the support of support platform top, the lower end of hydraulic cylinder piston rod is fixedly connected with the top of patrix, at patrix under the driving of hydraulic cylinder, can move down until on the involutory bottom groove that is pressed on bed die of the upper grooves of its bottom.
3. the clamping device used of U-shaped heat exchanger tube according to claim 2 hydro-test, it is characterized in that: the oil pipe on two hydraulic cylinders in two assembling clamp mechanisms is connected in same hydraulic system.
4. the clamping device used of according to claim 1 and 2 or 3 described U-shaped heat exchanger tube hydro-tests, it is characterized in that: the structure of every group of sliding driving device includes: nut, nut is arranged on support platform, be provided with leading screw in nut, the head of leading screw and slide block are flexibly connected, the two ends of slide block are bearing in respectively on a pair of slide rail on support platform, rotational lead screw, leading screw can promote slide block on the slide rail of correspondence to front slide until the ferrule of the straight tube on the adapter of slide block upper plug head and place support platform be communicated with.
5. the clamping device used of according to claim 1 and 2 or 3 described U-shaped heat exchanger tube hydro-tests, it is characterized in that: but wherein be provided with the valve of folding in the adapter of the plug of an assembling in clamp mechanism, and an end of the adapter on the plug in another assembling clamp mechanism is connected with water pump.
6. the clamping device used of U-shaped heat exchanger tube according to claim 4 hydro-test, it is characterized in that: but wherein be provided with the valve of folding in the adapter of the plug of an assembling in clamp mechanism, and an end of the adapter on the plug in another assembling clamp mechanism is connected with water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103220672A CN103398829A (en) | 2013-07-29 | 2013-07-29 | Clamping device for hydraulic test of U-shaped heat exchange tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103220672A CN103398829A (en) | 2013-07-29 | 2013-07-29 | Clamping device for hydraulic test of U-shaped heat exchange tube |
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| CN103398829A true CN103398829A (en) | 2013-11-20 |
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| CN2013103220672A Pending CN103398829A (en) | 2013-07-29 | 2013-07-29 | Clamping device for hydraulic test of U-shaped heat exchange tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698091A (en) * | 2013-12-11 | 2014-04-02 | 南京斯迈柯特种金属装备股份有限公司 | Sealing device for pressure-tight test of U-shaped heat exchange pipe |
| CN105352808A (en) * | 2015-11-20 | 2016-02-24 | 王旭明 | U-shaped air conditioner heating pipe welding port detection apparatus |
| CN109186886A (en) * | 2018-07-24 | 2019-01-11 | 锦州秀亭制管有限公司 | The airtight detection method and equipment of automobile cooler for recycled exhaust gas pipe |
| CN110561758A (en) * | 2019-09-18 | 2019-12-13 | 东莞富采包装制品有限公司 | Digital high-frequency hot press |
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| JP2001201426A (en) * | 2000-01-18 | 2001-07-27 | Ishikawajima Harima Heavy Ind Co Ltd | Hydraulic test device |
| KR20090033344A (en) * | 2009-02-24 | 2009-04-02 | 천경식 | Leaking test apparatus for the tube of a heat exchanger |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698091A (en) * | 2013-12-11 | 2014-04-02 | 南京斯迈柯特种金属装备股份有限公司 | Sealing device for pressure-tight test of U-shaped heat exchange pipe |
| CN103698091B (en) * | 2013-12-11 | 2016-07-13 | 南京斯迈柯特种金属装备股份有限公司 | U heat exchange pressure test sealing device |
| CN105352808A (en) * | 2015-11-20 | 2016-02-24 | 王旭明 | U-shaped air conditioner heating pipe welding port detection apparatus |
| CN105352808B (en) * | 2015-11-20 | 2018-06-26 | 王旭明 | A kind of U-shaped air-conditioning heating tube soldering opening detection device |
| CN109186886A (en) * | 2018-07-24 | 2019-01-11 | 锦州秀亭制管有限公司 | The airtight detection method and equipment of automobile cooler for recycled exhaust gas pipe |
| CN110561758A (en) * | 2019-09-18 | 2019-12-13 | 东莞富采包装制品有限公司 | Digital high-frequency hot press |
| CN110561758B (en) * | 2019-09-18 | 2021-05-25 | 东莞富采包装制品有限公司 | Digital high-frequency hot press |
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Application publication date: 20131120 |