CN110608853A - Water pressure detection device for straight heat exchange tube - Google Patents
Water pressure detection device for straight heat exchange tube Download PDFInfo
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- CN110608853A CN110608853A CN201910931712.8A CN201910931712A CN110608853A CN 110608853 A CN110608853 A CN 110608853A CN 201910931712 A CN201910931712 A CN 201910931712A CN 110608853 A CN110608853 A CN 110608853A
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- water
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- detection
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 238000001514 detection method Methods 0.000 title claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 45
- 238000001556 precipitation Methods 0.000 claims description 42
- 238000005192 partition Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a water pressure detection device for a straight heat exchange tube, which comprises: two oppositely arranged water pressure detection units, each water pressure detection unit comprising: the device comprises a rack, a detection joint, a joint driving device and a pipe end fixing mechanism, wherein the joint driving device can drive the detection joint to move inside and outside, and the pipe end fixing mechanism is positioned on the inner side of the detection joint and can fix the end part of a straight heat exchange pipe when one end of the straight heat exchange pipe is inserted into the detection joint; the two detection joints are oppositely arranged, the rear port of one detection joint is connected with a high-pressure water pipeline, the rear port of the other detection joint is connected with a section of water discharge pipe, and a stop valve is arranged on the water discharge pipe. The water pressure detection device for the straight heat exchange tube can enable the straight heat exchange tube to be filled with high-pressure water, and enable the high-pressure water to be held back in the straight heat exchange tube, so that water can be sprayed outwards due to high pressure at small leakage points, and workers can quickly and accurately detect the small leakage points on the straight heat exchange tube.
Description
Technical Field
The invention relates to the field of quality detection equipment for straight heat exchange tubes, in particular to a water pressure detection device for a straight heat exchange tube.
Background
Along with the requirement on the quality of the straight heat exchange tube is higher and higher, the straight heat exchange tube needs to be subjected to leak detection after being manufactured, but the existing detection device can only detect large leak points on the straight heat exchange tube, and small leak points on the straight heat exchange tube are not easy to detect.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the straight heat exchange tube water pressure detection device can quickly and accurately detect small leak points on the straight heat exchange tube.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the utility model provides a straight heat exchange tube water pressure detection device which characterized in that: the method comprises the following steps: two oppositely arranged water pressure detection units, each water pressure detection unit comprising: the pipe end fixing mechanism can fix the end of the straight heat exchange pipe when one end of the straight heat exchange pipe is inserted into the detection joint, so that the end of the straight heat exchange pipe is prevented from being separated from the detection joint; the two detection joints are oppositely arranged, so that two ends of the straight heat exchange tube can be respectively inserted into the two detection joints one by one, the rear port of one detection joint is connected with the high-pressure water pipeline, the rear port of the other detection joint is connected with one section of water discharge pipe, and the water discharge pipe is provided with a stop valve.
Further, aforementioned straight heat exchange tube water pressure detection device, wherein: the structure of the high-pressure water line includes: the water pressure detection device comprises a hydraulic pump and a water tank, wherein the inlet of the hydraulic pump is communicated with the outlet of the water tank through a pipeline, and the outlet of the hydraulic pump is communicated with the rear port of the detection connector through a pipeline.
Further, aforementioned straight heat exchange tube water pressure detection device, wherein: further comprising: a reservoir with a filtering function; the water discharge platform with the water blocking edge is arranged on the rack of each of the two water pressure detection units, the detection joints, the joint driving devices and the pipe end fixing mechanisms in the two water pressure detection units are arranged on the water discharge platform of the rack respectively, the two water discharge platforms are provided with water outlets for discharging dirty water on the water discharge platforms respectively, the two water outlets are communicated with the water storage tank respectively through pipelines, and water after being filtered in the water storage tank is pumped into the water tank through the submersible pump.
Further, aforementioned straight heat exchange tube water pressure detection device, wherein: the water storage tank is internally provided with two partition plates, the water storage tank is divided into three precipitation and filtration areas, namely a first precipitation and filtration area, a second precipitation and filtration area and a third precipitation and filtration area by the two partition plates, the water outlet is communicated with the first precipitation and filtration area of the water storage tank through a pipeline, so that dirty water firstly flows into the first precipitation and filtration area for precipitation and filtration, then water in the first precipitation and filtration area overflows into the second precipitation and filtration area for precipitation and filtration, then water in the second precipitation and filtration area overflows into the third precipitation and filtration area for precipitation and filtration again, and the submersible pump is positioned in the third precipitation and filtration area.
Further, aforementioned straight heat exchange tube water pressure detection device, wherein: further comprising: and the support frame is used for supporting the straight heat exchange tube when the two ends of the straight heat exchange tube are inserted into the two detection joints, and the support frame is positioned between the two water pressure detection units.
Further, aforementioned straight heat exchange tube water pressure detection device, wherein: when the straight heat exchange tube is supported by the supporting frame, the straight heat exchange tube can be inclined from the middle part to two sides.
Further, aforementioned straight heat exchange tube water pressure detection device, wherein: the two detection joints are respectively connected with a pressure gauge for detecting the water pressure in the detection joint.
Further, aforementioned straight heat exchange tube water pressure detection device, wherein: the structure of the pipe end fixing mechanism comprises: the upper clamping die, the lower clamping die and the clamping die driving device are fixed with the rack, the clamping die driving device can drive the upper clamping die to move towards the lower clamping die so that the upper clamping die and the lower clamping die are clamped oppositely, semicircular grooves are formed in the upper clamping die and the lower clamping die, and the two semicircular grooves can be clamped and embraced outside the straight heat exchange tube when the upper clamping die and the lower clamping die are clamped oppositely, so that the end part of the straight heat exchange tube is fixed.
Further, aforementioned straight heat exchange tube water pressure detection device, wherein: the upper clamping die is detachably arranged on the clamping die driving device, and the lower clamping die is detachably arranged on the rack.
The invention has the advantages that: the water pressure detection device for the straight heat exchange tube can enable the straight heat exchange tube to be filled with high-pressure water, and enable the high-pressure water to be held back in the straight heat exchange tube, so that water can be sprayed outwards at small leakage points due to the high pressure, and workers can quickly and accurately detect the small leakage points on the straight heat exchange tube.
Drawings
Fig. 1 is a schematic structural diagram of a water pressure detection device with a straight heat exchange tube according to the present invention.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and the attached drawings.
As shown in fig. 1, a water pressure detecting apparatus with a straight heat exchange pipe includes: two oppositely arranged water pressure detecting units 2, each water pressure detecting unit 2 comprising: the detection device comprises a frame 1, wherein a detection joint 22, a joint driving device 84 capable of driving the detection joint 22 to move inside and outside and a pipe end fixing mechanism positioned on the inner side of the detection joint 22 are arranged on the frame 1, and in the embodiment, the joint driving device 84 is an oil cylinder; the pipe end fixing mechanism can fix the end part of the straight heat exchange pipe 9 when one end of the straight heat exchange pipe 9 is inserted into the detection joint 22, so that the end part of the straight heat exchange pipe 9 is prevented from being separated from the detection joint 22; the two detection joints 22 are oppositely arranged, so that two ends of the straight heat exchange pipe 9 can be respectively inserted into the two detection joints 22 one by one, the rear port of one detection joint 22 is connected with a high-pressure water pipeline, the rear port of the other detection joint 22 is connected with a section of water discharge pipe 4, and a stop valve 41 is arranged on the water discharge pipe 4. In this embodiment, the structure of the high-pressure water line includes: the water pressure pump 31 and the water tank 3, the inlet of the water pressure pump 31 is communicated with the outlet of the water tank 3 through a pipeline, and the outlet of the water pressure pump 31 is communicated with the rear end of the detection joint 22 through a pipeline.
In this embodiment, the method further includes: a reservoir 5 with a filtering function; all be provided with the platform 6 that drains of taking the manger limit all around on two water pressure detecting unit 2's frame 1, the detection joint 22 among two water pressure detecting unit 2, connect drive arrangement 84, pipe end fixed establishment sets up respectively in the platform 6 that drains of frame 1 on, all be provided with a outlet 61 that is used for discharging the dirty water on the platform 6 that drains on two platforms 6, two outlets 61 are linked together through pipeline and cistern 5 respectively, the water that filters in the cistern 5 is gone into to the water tank 3 in through immersible pump 51 pump.
The reservoir 5 is provided with two partition plates 52, the reservoir 5 is divided into three precipitation filtering areas, namely a first precipitation filtering area 53, a second precipitation filtering area 54 and a third precipitation filtering area 55 by the two partition plates 52, the water outlet 61 is communicated with the first precipitation filtering area 53 of the reservoir 5 through a pipeline, so that dirty water firstly flows into the first precipitation filtering area 53 for precipitation filtering, then water in the first precipitation filtering area 53 overflows into the second precipitation filtering area 54 for precipitation filtering, then water in the second precipitation filtering area 54 overflows into the third precipitation filtering area 55 for precipitation filtering again, and the submersible pump 51 is positioned in the third precipitation filtering area 55.
In this embodiment, the method further includes: and a holder 7 for holding the straight heat exchange tube 9 when both ends of the straight heat exchange tube 9 are inserted into the two detection taps 22, the holder 7 being located between the two water pressure detection units 2. After the supporting frame 7 is arranged, a worker does not need to support the straight heat exchange tube 9, so that the labor intensity of the worker can be reduced.
In addition, the straight heat exchange tube 9 can be inclined from the middle to both sides when the straight heat exchange tube 9 is held by the holder 7. The arrangement is convenient for water in the straight heat exchange tube 9 to flow out after detection is finished.
The two detection joints 22 are respectively connected with a pressure gauge 221 for detecting the water pressure in the detection joint 22. The pressure of the water in the straight heat exchange pipe 9 can be intuitively known through the pressure gauge 221.
In this embodiment, the structure of the pipe end fixing mechanism includes: the clamping device comprises an upper clamping die 8, a lower clamping die 81 fixed with the frame 1 and a clamping die driving device 82, wherein in the embodiment, the clamping die driving device 82 is an oil cylinder; the clamping die driving device 82 can drive the upper clamping die 8 to move towards the lower clamping die 81 so as to enable the upper clamping die 8 and the lower clamping die 81 to clamp oppositely, the upper clamping die 8 and the lower clamping die 81 are respectively provided with a semicircular groove 83, and the two semicircular grooves 83 can clamp and hold the outer side of the straight heat exchange tube 9 when the upper clamping die 8 and the lower clamping die 81 clamp oppositely, so that the end part of the straight heat exchange tube 9 is fixed.
The upper clamping die 8 is detachably mounted on the clamping die driving device 82 through screws, and the lower clamping die 81 is detachably mounted on the machine frame 1 through screws. The arrangement is convenient for replacing the upper clamping die 8 and the lower clamping die 81 of the semicircular grooves 83 with different sizes, so that the straight heat exchange tubes 9 with different tube diameters can be adapted.
In operation, a worker places the straight heat exchange tube 9 between the two detection joints 22 of the two water pressure detection units 2, then the two detection joints 22 are driven by the respective joint driving devices 84 to move towards the ends of the straight heat exchange tube 9, so that the two ends of the straight heat exchange tube 9 are respectively inserted into the two detection joints 22 one by one, then the two tube end fixing mechanisms respectively fix the two ends of the straight heat exchange tube to prevent the two ends of the straight heat exchange tube from being separated from the detection joints 22 during detection, then the worker opens the stop valve 41, and the water pump 31 operates to feed water into the straight heat exchange tube 9 through the detection joints 22 until water flows out of the water discharge tube 4, so as to discharge air in the straight heat exchange tube 9; then, a worker closes the stop valve 41, the hydraulic pump 31 continues to work, so that the water pressure in the straight heat exchange tube 9 rises, the worker can know the water pressure in the straight heat exchange tube 9 through the pressure gauge 221, when the water pressure reaches a required value, the worker closes the hydraulic pump 31, so that the high-pressure water is held back in the straight heat exchange tube 9, then the worker checks whether the water is sprayed out from the straight heat exchange tube 9, if the water is sprayed out, a leaking point exists at the water spraying position, and because the high-pressure water is adopted to detect the leaking point of the straight heat exchange tube 9, even if the leaking point is small, the small leaking point can spray water outwards, so that the worker can quickly and accurately detect the small leaking point on the straight; after the detection is finished, a worker opens the stop valve 41 to release the pressure, then controls the two pipe end fixing mechanisms to loosen the two ends of the straight heat exchange pipe 9, and the two detection joints 22 move outwards under the driving of the joint driving device 84 respectively, so that the two ends of the straight heat exchange pipe 9 can be separated from the two detection joints 22, then the straight heat exchange pipe 9 is placed on the support frame 7 statically for a period of time, water in the straight heat exchange pipe 9 can flow into the water drainage platform 6 from the two sides, after the water in the straight heat exchange pipe 9 is basically emptied, the worker takes the straight heat exchange pipe 9 down and replaces a new straight heat exchange pipe 9 for detection.
Claims (9)
1. The utility model provides a straight heat exchange tube water pressure detection device which characterized in that: the method comprises the following steps: two oppositely arranged water pressure detection units, each water pressure detection unit comprising: the pipe end fixing mechanism can fix the end of the straight heat exchange pipe when one end of the straight heat exchange pipe is inserted into the detection joint, so that the end of the straight heat exchange pipe is prevented from being separated from the detection joint; the two detection joints are oppositely arranged, so that two ends of the straight heat exchange tube can be respectively inserted into the two detection joints one by one, the rear port of one detection joint is connected with the high-pressure water pipeline, the rear port of the other detection joint is connected with one section of water discharge pipe, and the water discharge pipe is provided with a stop valve.
2. The water pressure detecting device with the straight heat exchange pipe as claimed in claim 1, wherein: the structure of the high-pressure water line includes: the water pressure detection device comprises a hydraulic pump and a water tank, wherein the inlet of the hydraulic pump is communicated with the outlet of the water tank through a pipeline, and the outlet of the hydraulic pump is communicated with the rear port of the detection connector through a pipeline.
3. The water pressure detecting device with the straight heat exchange pipe as claimed in claim 2, wherein: further comprising: a reservoir with a filtering function; the water discharge platform with the water blocking edge is arranged on the rack of each of the two water pressure detection units, the detection joints, the joint driving devices and the pipe end fixing mechanisms in the two water pressure detection units are arranged on the water discharge platform of the rack respectively, the two water discharge platforms are provided with water outlets for discharging dirty water on the water discharge platforms respectively, the two water outlets are communicated with the water storage tank respectively through pipelines, and water after being filtered in the water storage tank is pumped into the water tank through the submersible pump.
4. The water pressure detecting device with the straight heat exchange pipe as claimed in claim 3, wherein: the water storage tank is internally provided with two partition plates, the water storage tank is divided into three precipitation and filtration areas, namely a first precipitation and filtration area, a second precipitation and filtration area and a third precipitation and filtration area by the two partition plates, the water outlet is communicated with the first precipitation and filtration area of the water storage tank through a pipeline, so that dirty water firstly flows into the first precipitation and filtration area for precipitation and filtration, then water in the first precipitation and filtration area overflows into the second precipitation and filtration area for precipitation and filtration, then water in the second precipitation and filtration area overflows into the third precipitation and filtration area for precipitation and filtration again, and the submersible pump is positioned in the third precipitation and filtration area.
5. The straight heat exchange pipe water pressure detecting device as recited in claim 1, 2, 3 or 4, wherein: further comprising: and the support frame is used for supporting the straight heat exchange tube when the two ends of the straight heat exchange tube are inserted into the two detection joints, and the support frame is positioned between the two water pressure detection units.
6. The water pressure detecting device with the straight heat exchange pipe as claimed in claim 5, wherein: when the straight heat exchange tube is supported by the supporting frame, the straight heat exchange tube can be inclined from the middle part to two sides.
7. The straight heat exchange pipe water pressure detecting device as recited in claim 1, 2, 3 or 4, wherein: the two detection joints are respectively connected with a pressure gauge for detecting the water pressure in the detection joint.
8. The straight heat exchange pipe water pressure detecting device as recited in claim 1, 2, 3 or 4, wherein: the structure of the pipe end fixing mechanism comprises: the upper clamping die, the lower clamping die and the clamping die driving device are fixed with the rack, the clamping die driving device can drive the upper clamping die to move towards the lower clamping die so that the upper clamping die and the lower clamping die are clamped oppositely, semicircular grooves are formed in the upper clamping die and the lower clamping die, and the two semicircular grooves can be clamped and embraced outside the straight heat exchange tube when the upper clamping die and the lower clamping die are clamped oppositely, so that the end part of the straight heat exchange tube is fixed.
9. The water pressure detecting device with the straight heat exchange pipe as claimed in claim 8, wherein: the upper clamping die is detachably arranged on the clamping die driving device, and the lower clamping die is detachably arranged on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931712.8A CN110608853A (en) | 2019-09-29 | 2019-09-29 | Water pressure detection device for straight heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931712.8A CN110608853A (en) | 2019-09-29 | 2019-09-29 | Water pressure detection device for straight heat exchange tube |
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| CN110608853A true CN110608853A (en) | 2019-12-24 |
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| CN201910931712.8A Pending CN110608853A (en) | 2019-09-29 | 2019-09-29 | Water pressure detection device for straight heat exchange tube |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339089A (en) * | 2008-08-08 | 2009-01-07 | 枣庄矿业集团付村煤业有限公司 | Single bottom prop liquid-discharging reclaiming and utilization device |
| KR101456463B1 (en) * | 2014-08-14 | 2014-10-31 | 김남수 | Defect inspection device for tube of heat exchanger |
| CN108318192A (en) * | 2018-03-03 | 2018-07-24 | 陈晓辉 | A kind of central air-conditioning heat exchanger tube device for detecting leak point |
| CN208313722U (en) * | 2018-05-14 | 2019-01-01 | 北京广厦环能科技股份有限公司 | A kind of U heat exchange pressure testing device |
| CN210487176U (en) * | 2019-09-29 | 2020-05-08 | 张家港市昆仑管业有限公司 | Water pressure detection device for straight heat exchange tube |
-
2019
- 2019-09-29 CN CN201910931712.8A patent/CN110608853A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339089A (en) * | 2008-08-08 | 2009-01-07 | 枣庄矿业集团付村煤业有限公司 | Single bottom prop liquid-discharging reclaiming and utilization device |
| KR101456463B1 (en) * | 2014-08-14 | 2014-10-31 | 김남수 | Defect inspection device for tube of heat exchanger |
| CN108318192A (en) * | 2018-03-03 | 2018-07-24 | 陈晓辉 | A kind of central air-conditioning heat exchanger tube device for detecting leak point |
| CN208313722U (en) * | 2018-05-14 | 2019-01-01 | 北京广厦环能科技股份有限公司 | A kind of U heat exchange pressure testing device |
| CN210487176U (en) * | 2019-09-29 | 2020-05-08 | 张家港市昆仑管业有限公司 | Water pressure detection device for straight heat exchange tube |
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