CN110608852A - U type heat exchange tube water pressure detection device - Google Patents

U type heat exchange tube water pressure detection device Download PDF

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Publication number
CN110608852A
CN110608852A CN201910931354.0A CN201910931354A CN110608852A CN 110608852 A CN110608852 A CN 110608852A CN 201910931354 A CN201910931354 A CN 201910931354A CN 110608852 A CN110608852 A CN 110608852A
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CN
China
Prior art keywords
water
heat exchange
shaped heat
clamping die
precipitation
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910931354.0A
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Chinese (zh)
Inventor
顾利宾
张宪刚
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Zhangjiagang Kunlun Pipe Industry Co Ltd
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Zhangjiagang Kunlun Pipe Industry Co Ltd
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Application filed by Zhangjiagang Kunlun Pipe Industry Co Ltd filed Critical Zhangjiagang Kunlun Pipe Industry Co Ltd
Priority to CN201910931354.0A priority Critical patent/CN110608852A/en
Publication of CN110608852A publication Critical patent/CN110608852A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating 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)
  • Pipeline Systems (AREA)

Abstract

The invention discloses a water pressure detection device for a U-shaped heat exchange tube, which comprises: the support, control on the support and be equipped with two water pressure detecting element side by side the interval, two water pressure detecting element's structure all includes: the device comprises a mounting frame, a detection joint and a pipe end fixing mechanism are arranged on the mounting frame, the pipe end fixing mechanism is positioned in front of the detection joint, and the pipe end fixing mechanism can fix the end part of the U-shaped heat exchange pipe when one end of the U-shaped heat exchange pipe is inserted into the detection joint from the front so as to prevent the end part of the U-shaped heat exchange pipe from being separated from the detection joint; 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 U-shaped heat exchange tube can enable the U-shaped heat exchange tube to be filled with high-pressure water, and enable the high-pressure water to be held back in the U-shaped heat exchange tube, so that small leakage points can be sprayed outwards due to high pressure, and workers can quickly and accurately detect the small leakage points on the U-shaped heat exchange tube.

Description

U type heat exchange tube water pressure detection device
Technical Field
The invention relates to the field of U-shaped heat exchange tube quality detection equipment, in particular to a U-shaped heat exchange tube water pressure detection device.
Background
Along with the requirement on the quality of the U-shaped heat exchange tube is higher and higher, the U-shaped 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 U-shaped heat exchange tube, and small leak points on the U-shaped heat exchange tube are not easy to detect.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the water pressure detection device for the U-shaped heat exchange tube can quickly and accurately detect small leakage points on the U-shaped heat exchange tube.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a U-shaped heat exchange tube water pressure detection device comprises: support, its characterized in that: two water pressure detecting units are arranged on the support at intervals side by side, and the structures of the two water pressure detecting units all comprise: the device comprises a mounting rack, a detection joint and a pipe end fixing mechanism, wherein the detection joint for inserting one end of a U-shaped heat exchange pipe and the pipe end fixing mechanism are arranged on the mounting rack; the two detection joints are arranged side by side left and right, so that two ends of the U-shaped 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 a section of water discharge pipe, and the water discharge pipe is provided with a stop valve.
Further, aforementioned U type 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 U type heat exchange tube water pressure detection device, wherein: further comprising: the water storage tank with the filtering function is provided with a water discharge platform with a water blocking edge on the periphery, the two water pressure detection units are arranged on the water discharge platform, a water outlet used for discharging dirty water on the water discharge platform is formed in the water discharge platform, the water outlet is communicated with the water storage tank through a pipeline, and water filtered in the water storage tank is pumped into the water tank through the submersible pump.
Further, aforementioned U type 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 U type heat exchange tube water pressure detection device, wherein: further comprising: and the supporting frame is used for supporting the U-shaped heat exchange tube when the two ends of the U-shaped heat exchange tube are inserted into the two detection joints.
Further, aforementioned U type heat exchange tube water pressure detection device, wherein: when the U-shaped heat exchange tube is supported by the supporting frame, the U-shaped heat exchange tube can be inclined from front to back.
Further, aforementioned U type 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 U type heat exchange tube water pressure detection device, wherein: the structure of the pipe end fixing mechanism comprises: the outer clamping die, the inner clamping die and the clamping die driving device are fixed with the mounting frame, the clamping die driving device can drive the outer clamping die to move towards the inner clamping die so that the inner clamping die and the outer clamping die are clamped oppositely, semicircular grooves are formed in the inner clamping die and the outer clamping die, and the two semicircular grooves can clamp and embrace the outer side of the straight pipe section of the U-shaped heat exchange pipe when the inner clamping die and the outer clamping die are clamped oppositely, so that the end part of the U-shaped heat exchange pipe is fixed.
Further, aforementioned U type heat exchange tube water pressure detection device, wherein: the outer clamping die is detachably arranged on the clamping die driving device, and the inner clamping die is detachably arranged on the mounting frame.
Further, aforementioned U type heat exchange tube water pressure detection device, wherein: the support is provided with two sliding rods which move left and right and are arranged in parallel, the two sliding rods are respectively sleeved with a sliding sleeve which can slide, and the two mounting frames are respectively fixed with the sliding sleeves on the two sliding rods and are arranged on the two sliding rods in a left-right sliding mode.
The invention has the advantages that: the water pressure detection device for the U-shaped heat exchange tube can enable the U-shaped heat exchange tube to be filled with high-pressure water, and enable the high-pressure water to be held back in the U-shaped heat exchange tube, so that water can be sprayed outwards at small leakage points due to high pressure, and workers can quickly and accurately detect the small leakage points on the U-shaped heat exchange tube.
Drawings
Fig. 1 is a schematic top view of a water pressure detection device with a U-shaped heat exchange tube according to the present invention.
FIG. 2 is a schematic sectional view of the structure at A-A in FIG. 1.
FIG. 3 is a schematic structural view of a section B-B in FIG. 1.
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, 2 and 3, a water pressure detection device for a U-shaped heat exchange pipe comprises: support 1, control on support 1 and be provided with two water pressure detecting element 2 side by side the interval, two water pressure detecting element 2's structure all includes: the mounting rack 21 is provided with a detection joint 22 for inserting one end of the U-shaped heat exchange tube 9 and a tube end fixing mechanism, the tube end fixing mechanism is positioned in front of the detection joint 22, and the tube end fixing mechanism can fix the end part of the U-shaped heat exchange tube 9 when one end of the U-shaped heat exchange tube 9 is inserted into the detection joint 22 from the front, so that the end part of the U-shaped heat exchange tube 9 can be prevented from being separated from the detection joint 22; the two detection joints 22 are arranged side by side left and right, so that two ends of the U-shaped 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. Further comprising: take filtering capability's cistern 5, be provided with the platform 6 that drains of taking the manger plate limit all around on support 1, two water pressure detecting element 2 set up on platform 6 drains, are provided with a outlet 61 that is used for discharging the dirty water on platform 6 drains's manger plate edge, and outlet 61 is linked together through pipeline and cistern 5, and the water that finishes filtering in the cistern 5 is gone into to the water tank 3 through immersible pump 51 pump.
In this embodiment, two partition plates 52 are disposed in the reservoir 5, the two partition plates 52 divide the reservoir 5 into three sedimentation-filtration regions, namely a first sedimentation-filtration region 53, a second sedimentation-filtration region 54 and a third sedimentation-filtration region 55, the water outlet 61 is communicated with the first sedimentation-filtration region 53 of the reservoir 5 through a pipeline, so that the dirty water firstly flows into the first sedimentation-filtration region 53 for sedimentation-filtration, then the water in the first sedimentation-filtration region 53 overflows into the second sedimentation-filtration region 54 for sedimentation-filtration, then the water in the second sedimentation-filtration region 54 overflows into the third sedimentation-filtration region 55 for sedimentation-filtration again, and the submersible pump 51 is located in the third sedimentation-filtration region 55.
In this embodiment, the method further includes: the supporting frame 7 is used for supporting the U-shaped heat exchange tube 9 when two ends of the U-shaped heat exchange tube 9 are inserted into the two detection joints 22; the holder 7 is provided to reduce the labor intensity of a worker. The U-shaped heat exchange tube 9 can be inclined from front to back when the U-shaped heat exchange tube 9 is held by the holding frame 7, and the arrangement is convenient for pouring out water in the U-shaped heat exchange tube 9 after detection is finished.
In addition, the two detection joints 22 are respectively connected with a pressure gauge 221 for detecting the water pressure in the detection joint 22, and the pressure of the water in the U-shaped heat exchange tube 9 can be intuitively known through the pressure gauge 221.
In this embodiment, the structure of the pipe end fixing mechanism includes: the outer clamping die 8, the inner clamping die 81 fixed with the mounting frame 21 and the 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 outer clamping die 8 to move towards the inner clamping die 81 so as to enable the inner clamping die 81 and the outer clamping die 8 to clamp oppositely, semicircular grooves 83 are formed in the inner clamping die 81 and the outer clamping die 8, and the two semicircular grooves 83 can clamp and embrace the outer side of the straight pipe section of the U-shaped heat exchange pipe 9 when the inner clamping die 81 and the outer clamping die 81 and 8 clamp oppositely, so that the end part of the U-shaped heat exchange pipe 9 is fixed.
In addition, the outer clamping die 8 is detachably mounted on the clamping die driving device 82 through screws, the inner clamping die 81 is detachably mounted on the mounting frame 21 through screws, and the arrangement is convenient for replacing the inner clamping die 81 and the outer clamping die 8 of the semicircular grooves 83 with different sizes, so that the U-shaped heat exchange tubes 9 with different tube diameters can be adapted.
Two sliding rods 71 which run left and right and are arranged in parallel are arranged on the support 1, sliding sleeves 72 which can slide are respectively sleeved on the two sliding rods 71, the two mounting frames 21 are respectively fixed with the sliding sleeves 72 on the two sliding rods 71 and can slide left and right on the two sliding rods 71, and the left and right positions of the two mounting frames 21 can be adjusted to adapt to the U-shaped heat exchange tubes 9 with different bending radiuses.
When the device works, a worker inserts two ends of the U-shaped heat exchange tube into the two detection joints 22 respectively, the two tube end fixing mechanisms fix the two ends of the U-shaped heat exchange tube respectively to prevent the two ends of the U-shaped heat exchange tube from being separated from the detection joints 22 during detection, then the worker opens the stop valve 41, and the hydraulic pump 31 works to feed water into the U-shaped heat exchange tube through the detection joints 22 until water flows out of the water discharge tube 4, so that air in the U-shaped heat exchange tube is discharged; then, a worker closes the stop valve 41, the hydraulic pump 31 continues to work, so that the water pressure in the U-shaped heat exchange tube rises, the worker can know the water pressure in the U-shaped heat exchange tube through the pressure gauge 221, when the water pressure reaches a required value, the worker closes the hydraulic pump 31, so that high-pressure water is held back in the U-shaped heat exchange tube, then the worker checks whether water is sprayed out from the U-shaped heat exchange tube, 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 U-shaped heat exchange tube, 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; after the detection is finished, the stop valve 41 is opened by a worker to release the pressure, then the worker controls the two pipe end fixing mechanisms to loosen the two ends of the U-shaped heat exchange pipe, so that the worker can extract the two ends of the U-shaped heat exchange pipe from the two detection joints 22, then the U-shaped heat exchange pipe is statically arranged on the support 7 for a period of time, water in the U-shaped heat exchange pipe can flow into the water drainage platform 6 from front to back, and after the water in the U-shaped heat exchange pipe is basically emptied, the worker takes the U-shaped heat exchange pipe down and replaces a new U-shaped heat exchange pipe to detect.

Claims (10)

1. A U-shaped heat exchange tube water pressure detection device comprises: support, its characterized in that: two water pressure detecting units are arranged on the support at intervals side by side, and the structures of the two water pressure detecting units all comprise: the device comprises a mounting rack, a detection joint and a pipe end fixing mechanism, wherein the detection joint for inserting one end of a U-shaped heat exchange pipe and the pipe end fixing mechanism are arranged on the mounting rack; the two detection joints are arranged side by side left and right, so that two ends of the U-shaped 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 a section of water discharge pipe, and the water discharge pipe is provided with a stop valve.
2. The water pressure detection device of the U-shaped 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 detection device of the U-shaped heat exchange pipe as claimed in claim 2, wherein: further comprising: the water storage tank with the filtering function is provided with a water discharge platform with a water blocking edge on the periphery, the two water pressure detection units are arranged on the water discharge platform, a water outlet used for discharging dirty water on the water discharge platform is formed in the water discharge platform, the water outlet is communicated with the water storage tank through a pipeline, and water filtered in the water storage tank is pumped into the water tank through the submersible pump.
4. The water pressure detection device of the U-shaped 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 water pressure detecting device of a U-shaped heat exchange pipe as claimed in claim 1, 2, 3 or 4, wherein: further comprising: and the supporting frame is used for supporting the U-shaped heat exchange tube when the two ends of the U-shaped heat exchange tube are inserted into the two detection joints.
6. The water pressure detection device of the U-shaped heat exchange pipe as claimed in claim 5, wherein: when the U-shaped heat exchange tube is supported by the supporting frame, the U-shaped heat exchange tube can be inclined from front to back.
7. The water pressure detecting device of a U-shaped heat exchange pipe as claimed 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 water pressure detecting device of a U-shaped heat exchange pipe as claimed in claim 1, 2, 3 or 4, wherein: the structure of the pipe end fixing mechanism comprises: the outer clamping die, the inner clamping die and the clamping die driving device are fixed with the mounting frame, the clamping die driving device can drive the outer clamping die to move towards the inner clamping die so that the inner clamping die and the outer clamping die are clamped oppositely, semicircular grooves are formed in the inner clamping die and the outer clamping die, and the two semicircular grooves can clamp and embrace the outer side of the straight pipe section of the U-shaped heat exchange pipe when the inner clamping die and the outer clamping die are clamped oppositely, so that the end part of the U-shaped heat exchange pipe is fixed.
9. The water pressure detection device of the U-shaped heat exchange pipe as claimed in claim 8, wherein: the outer clamping die is detachably arranged on the clamping die driving device, and the inner clamping die is detachably arranged on the mounting frame.
10. The water pressure detecting device of a U-shaped heat exchange pipe as claimed in claim 1, 2, 3 or 4, wherein: the support is provided with two sliding rods which move left and right and are arranged in parallel, the two sliding rods are respectively sleeved with a sliding sleeve which can slide, and the two mounting frames are respectively fixed with the sliding sleeves on the two sliding rods and are arranged on the two sliding rods in a left-right sliding mode.
CN201910931354.0A 2019-09-29 2019-09-29 U type heat exchange tube water pressure detection device Pending CN110608852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910931354.0A CN110608852A (en) 2019-09-29 2019-09-29 U type heat exchange tube water pressure detection device

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CN201910931354.0A CN110608852A (en) 2019-09-29 2019-09-29 U type heat exchange tube water pressure detection device

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Citations (8)

* Cited by examiner, † Cited by third party
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
KR101111598B1 (en) * 2011-08-30 2012-02-14 주식회사 이피아이 Coupled pipe end hydrostatic tester
KR200477993Y1 (en) * 2015-02-10 2015-08-13 정월영 water pressure tester
CN107328530A (en) * 2017-07-31 2017-11-07 马鞍山市百源机械有限公司 A kind of bearing block device for detecting water pressure and its detection method
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
CN208721351U (en) * 2018-07-10 2019-04-09 珠海华信净化设备有限公司 A kind of U heat exchange water test unit
CN210571205U (en) * 2019-09-29 2020-05-19 张家港市昆仑管业有限公司 U-shaped heat exchange tube water pressure detection device

Patent Citations (8)

* Cited by examiner, † Cited by third party
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
KR101111598B1 (en) * 2011-08-30 2012-02-14 주식회사 이피아이 Coupled pipe end hydrostatic tester
KR200477993Y1 (en) * 2015-02-10 2015-08-13 정월영 water pressure tester
CN107328530A (en) * 2017-07-31 2017-11-07 马鞍山市百源机械有限公司 A kind of bearing block device for detecting water pressure and its detection method
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
CN208721351U (en) * 2018-07-10 2019-04-09 珠海华信净化设备有限公司 A kind of U heat exchange water test unit
CN210571205U (en) * 2019-09-29 2020-05-19 张家港市昆仑管业有限公司 U-shaped heat exchange tube water pressure detection device

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