CN110608852A - A U-shaped heat exchange tube water pressure detection device - Google Patents
A U-shaped heat exchange tube water pressure detection device Download PDFInfo
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- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 238000001514 detection method Methods 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims description 23
- 238000001556 precipitation Methods 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 description 16
- 239000013049 sediment Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- 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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Abstract
本发明公开了一种U型换热管水压检测装置，包括：支架，在支架上左右并排间隔设有两个水压检测单元，两个水压检测单元的结构均包括：安装架，在安装架上设有一个检测接头和一个管端固定机构，管端固定机构位于检测接头的前方，管端固定机构在U型换热管一端从前方插入检测接头时能固定住U型换热管端部防止U型换热管端部与检测接头相脱开；一个检测接头的后端口与高压水管线相连，另一个检测接头的后端口与一段放水管相连，在放水管上设有一个截止阀。上述的U型换热管水压检测装置能使U型换热管中充满高压水，并且能使高压水憋于U型换热管中，这样小漏点处也能因高压而向外喷水，从而使工人能快速、准确地检测出U型换热管上的小漏点。
The invention discloses a U-shaped heat exchange tube water pressure detection device, which comprises: a bracket, and two water pressure detection units are arranged side by side on the bracket at intervals, and the structures of the two water pressure detection units both include: a mounting frame, There is a detection joint and a pipe end fixing mechanism on the installation frame. The pipe end fixing mechanism is located in front of the detection joint. The pipe end fixing mechanism can fix the U-shaped heat exchange tube when one end of the U-shaped heat exchange tube is inserted into the detection joint from the front. The end prevents the end of the U-shaped heat exchange tube from being disengaged from the detection joint; the rear port of one detection joint is connected to the high-pressure water pipeline, and the rear port of the other detection joint is connected to a section of water discharge pipe, and a cut-off pipe is provided on the water discharge pipe. valve. The above-mentioned U-shaped heat exchange tube water pressure detection device can fill the U-shaped heat exchange tube with high-pressure water, and can make the high-pressure water hold in the U-shaped heat exchange tube, so that small leaks can also be sprayed out due to high pressure. Water, so that workers can quickly and accurately detect small leaks on the U-shaped heat exchange tubes.
Description
技术领域technical field
本发明涉及U型换热管质量检测设备领域，具体涉及一种U型换热管水压检测装置。The invention relates to the field of U-shaped heat exchange tube quality detection equipment, in particular to a U-shaped heat exchange tube hydraulic pressure detection device.
背景技术Background technique
随着对U形换热管的质量要求越来越高，U形换热管在制造出来后需要进行检漏，但是现在的检测装置只能检测出U型换热管上大的漏点，而U型换热管上小的漏点不容易检测出来。As the quality requirements for U-shaped heat exchange tubes are getting higher and higher, U-shaped heat exchange tubes need to be leak tested after they are manufactured, but the current detection device can only detect large leaks on U-shaped heat exchange tubes. The small leaks on the U-shaped heat exchange tubes are not easy to detect.
发明内容Contents of the invention
本发明所要解决的技术问题是：将提供一种能快速、准确地检测出U型换热管上小漏点的U型换热管水压检测装置。The technical problem to be solved by the present invention is to provide a U-shaped heat exchange tube water pressure detection device that can quickly and accurately detect small leaks on the U-shaped heat exchange tube.
为了解决上述问题，本发明所采用的技术方案为：一种U型换热管水压检测装置，包括：支架，其特征在于：在支架上左右并排间隔设置有两个水压检测单元，两个水压检测单元的结构均包括：安装架，在安装架上设置有一个供U型换热管一端插入的检测接头和一个管端固定机构，管端固定机构位于检测接头的前方，管端固定机构在U型换热管一端从前方插入检测接头时能固定住U型换热管端部，从而能防止U型换热管端部与检测接头相脱开；两个检测接头左右并排布置，使得U型换热管两端能分别一对一插入至两个检测接头中，并且一个检测接头的后端口与高压水管线相连，另一个检测接头的后端口与一段放水管相连，在放水管上设置有一个截止阀。In order to solve the above problems, the technical solution adopted in the present invention is: a U-shaped heat exchange tube hydraulic pressure detection device, including: a bracket, which is characterized in that two hydraulic pressure detection units are arranged side by side on the left and right sides of the bracket. The structure of each water pressure detection unit includes: a mounting frame, a detection joint for inserting one end of a U-shaped heat exchange tube and a pipe end fixing mechanism are arranged on the mounting frame, the pipe end fixing mechanism is located in front of the detection joint, and the pipe end The fixing mechanism can fix the end of the U-shaped heat exchange tube when one end of the U-shaped heat exchange tube is inserted into the detection joint from the front, thereby preventing the end of the U-shaped heat exchange tube from being separated from the detection joint; the two detection joints are arranged side by side , so that the two ends of the U-shaped heat exchange tube can be inserted one-to-one into the two detection joints, and the rear port of one detection joint is connected to the high-pressure water pipeline, and the rear port of the other detection joint is connected to a section of water discharge pipe. A stop valve is arranged on the water pipe.
进一步的，前述的一种U型换热管水压检测装置，其中：高压水管线的结构包括：水压泵和水箱，水压泵的进口通过管道与水箱的出口相连通，水压泵的出口通过管道用于与检测接头的后端口相连通。Further, the aforementioned U-shaped heat exchange tube water pressure detection device, wherein: the structure of the high-pressure water pipeline includes: a hydraulic pump and a water tank, the inlet of the hydraulic pump is connected with the outlet of the water tank through a pipeline, and the outlet of the water pressure pump The outlet is used to communicate with the rear port of the detection adapter through a pipe.
进一步的，前述的一种U型换热管水压检测装置，其中：还包括：带过滤功能的蓄水池，在支架上设置有四周带挡水边的放水台，两个水压检测单元设置于放水台上，在放水台上设置有一个用于排出放水台上脏水的排水口，排水口通过管道与蓄水池相连通，蓄水池中过滤完毕的水通过潜水泵泵入至水箱中。Further, the aforementioned U-shaped heat exchange tube water pressure detection device, which also includes: a water storage tank with a filtering function, a water discharge table with a water retaining edge around it, and two water pressure detection units It is installed on the water discharge platform, and there is a drain outlet for discharging dirty water on the water discharge platform. The drain outlet is connected to the reservoir through a pipe, and the filtered water in the reservoir is pumped into the reservoir through a submersible pump. in the tank.
进一步的，前述的一种U型换热管水压检测装置，其中：蓄水池中设置有二道隔板，二道隔板将蓄水池分成三个沉淀过滤区，分别为第一沉淀过滤区、第二沉淀过滤区、第三沉淀过滤区，排水口通过管道与蓄水池的第一沉淀过滤区相连通，使得脏水首先流入至第一沉淀过滤区沉淀过滤，然后第一沉淀过滤区中的水会溢流至第二沉淀过滤区中再沉淀过滤，接着第二沉淀过滤区中的水会溢流至第三沉淀过滤区中再一次沉淀过滤，潜水泵位于第三沉淀过滤区中。Further, the aforementioned U-shaped heat exchange tube water pressure detection device, wherein: the reservoir is provided with two partitions, and the two partitions divide the reservoir into three sedimentation filtration areas, which are respectively the first precipitation The filter area, the second sedimentation filter area, and the third sedimentation filter area, the outlet is connected to the first sedimentation filter area of the reservoir through pipes, so that the dirty water first flows into the first sedimentation filter area for sedimentation and filtration, and then the first sedimentation filter area The water in the filter area will overflow to the second sediment filter area and then precipitate and filter, then the water in the second sediment filter area will overflow to the third sediment filter area for another sediment filter, the submersible pump is located in the third sediment filter in the district.
进一步的，前述的一种U型换热管水压检测装置，其中：还包括：在U型换热管两端插入至两个检测接头中时用于托住U型换热管的托持架。Further, the aforementioned U-shaped heat exchange tube hydraulic pressure detection device further includes: a support for holding the U-shaped heat exchange tube when both ends of the U-shaped heat exchange tube are inserted into the two detection joints shelf.
进一步的，前述的一种U型换热管水压检测装置，其中：托持架托住U型换热管时能使U型换热管由前向后倾斜。Further, the aforementioned U-shaped heat exchange tube hydraulic pressure detection device, wherein: when the U-shaped heat exchange tube is supported by the bracket, the U-shaped heat exchange tube can be tilted from front to back.
进一步的，前述的一种U型换热管水压检测装置，其中：两个检测接头上分别连接有一个用于检测检测接头中水压力的压力表。Further, the aforementioned U-shaped 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.
进一步的，前述的一种U型换热管水压检测装置，其中：管端固定机构的结构包括：外夹模、与安装架相固定的内夹模和夹模驱动装置，夹模驱动装置能驱动外夹模向着内夹模移动而使内、外夹模相对夹，在内、外夹模上均设置有半圆槽，两个半圆槽在内、外夹模对夹时能夹抱于 U型换热管直管段的外侧，从而对U型换热管端部进行固定。Further, the aforementioned U-shaped heat exchange tube water pressure detection device, wherein: the structure of the pipe end fixing mechanism includes: an outer clamping mold, an inner clamping mold fixed to the mounting frame, and a clamping mold driving device, and the clamping mold driving device It can drive the outer clamping mold to move towards the inner clamping mold so that the inner and outer clamping molds are relatively clamped. There are semi-circular grooves on the inner and outer clamping molds. The two semi-circular grooves can be clamped when the inner and outer clamping molds are clamped. The outer side of the straight pipe section of the U-shaped heat exchange tube, so as to fix the end of the U-shaped heat exchange tube.
进一步的，前述的一种U型换热管水压检测装置，其中：外夹模可拆卸的安装于夹模驱动装置上，内夹模可拆卸的安装于安装架上。Further, the aforementioned U-shaped heat exchange tube water pressure detection device, wherein: the outer clamping mold is detachably installed on the clamping mold driving device, and the inner clamping mold is detachably installed on the mounting frame.
进一步的，前述的一种U型换热管水压检测装置，其中：在支架上设置有两根左右走向且平行布置的滑移杆，在两个滑移杆上分别套装有可滑移的滑套，两个安装架分别通过与两个滑移杆上的滑套相固定而可左右滑移的安装于两根滑移杆上。Further, the aforementioned U-shaped heat exchange tube hydraulic pressure detection device, wherein: two sliding rods running in parallel and running left and right are arranged on the bracket, and slidable Sliding sleeves, the two mounting brackets are respectively fixed on the sliding sleeves on the two sliding rods so that they can slide left and right and are installed on the two sliding rods.
本发明的优点为：本发明所述的U型换热管水压检测装置能使U型换热管中充满高压水，并且能使高压水憋于U型换热管中，这样小漏点处能因高压而向外喷水，从而使工人能快速、准确地检测出U型换热管上的小漏点。The advantages of the present invention are: the U-shaped heat exchange tube water pressure detection device of the present invention can fill the U-shaped heat exchange tube with high-pressure water, and can make the high-pressure water hold in the U-shaped heat exchange tube, so that small leaks Water can be sprayed outward due to high pressure, so that workers can quickly and accurately detect small leaks on U-shaped heat exchange tubes.
附图说明Description of drawings
图1为本发明所述的一种U型换热管水压检测装置的俯视结构示意图。Fig. 1 is a top structural schematic diagram of a U-shaped heat exchange tube hydraulic pressure detection device according to the present invention.
图2为图1中A-A剖视的结构示意图。FIG. 2 is a schematic structural view of the section A-A in FIG. 1 .
图3为图1中B-B剖视的结构示意图。Fig. 3 is a schematic structural view of the section B-B in Fig. 1 .
具体实施方式Detailed ways
下面结合具体实施例和附图对本发明作进一步的详细描述。The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.
如图1、图2、图3所示，一种U型换热管水压检测装置，包括：支架1，在支架1上左右并排间隔设置有两个水压检测单元2，两个水压检测单元2的结构均包括：安装架21，在安装架21上设置有一个供U型换热管9一端插入的检测接头22和一个管端固定机构，管端固定机构位于检测接头22的前方，管端固定机构在U型换热管9一端从前方插入检测接头22时能固定住U型换热管9端部，从而能防止U型换热管9端部与检测接头22相脱开；两个检测接头22左右并排布置，使得U型换热管9两端能分别一对一插入至两个检测接头22中，并且一个检测接头22的后端口与高压水管线相连，另一个检测接头22的后端口与一段放水管4相连，在放水管4上设置有一个截止阀41。本实施例中，高压水管线的结构包括：水压泵31和水箱3，水压泵31的进口通过管道与水箱3的出口相连通，水压泵31的出口通过管道用于与检测接头22的后端口相连通。还包括：带过滤功能的蓄水池5，在支架1上设置有四周带挡水边的放水台6，两个水压检测单元2设置于放水台6上，在放水台6的挡水边上设置有一个用于排出放水台6上脏水的排水口61，排水口61通过管道与蓄水池5相连通，蓄水池5中过滤完毕的水通过潜水泵51泵入至水箱3中。As shown in Figure 1, Figure 2, and Figure 3, a U-shaped heat exchange tube water pressure detection device includes: a bracket 1, two water pressure detection units 2 are arranged side by side on the bracket 1, two water pressure The structure of the detection unit 2 includes: a mounting frame 21, on which a detection joint 22 for inserting one end of the U-shaped heat exchange tube 9 and a pipe end fixing mechanism are arranged, and the pipe end fixing mechanism is located in front of the detection joint 22 , the tube end fixing mechanism can fix the end 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, thereby preventing the end of the U-shaped heat exchange tube 9 from being disengaged from the detection joint 22 The two detection joints 22 are arranged side by side so that the two ends of the U-shaped heat exchange tube 9 can be inserted into the two detection joints 22 one by one respectively, and the rear port of one detection joint 22 is connected with the high-pressure water pipeline, and the other detection joint 22 is connected to the high-pressure water pipeline. The rear port of the connector 22 is connected with a section of water discharge pipe 4 on which a shut-off valve 41 is arranged. In this embodiment, the structure of the high-pressure water pipeline includes: a water pressure pump 31 and a water tank 3, the inlet of the water pressure pump 31 communicates with the outlet of the water tank 3 through a pipeline, and the outlet of the water pressure pump 31 is used for connecting with the detection joint 22 through a pipeline. The rear ports are connected. It also includes: a water storage tank 5 with filtering function, a water discharge platform 6 with a water retaining edge around it is arranged on the bracket 1, two hydraulic pressure detection units 2 are arranged on the water discharge platform 6, and the water discharge platform 6 is provided with a water retaining edge There is a drain 61 for discharging dirty water on the water discharge table 6, the drain 61 communicates with the reservoir 5 through a pipeline, and the filtered water in the reservoir 5 is pumped into the water tank 3 through the submersible pump 51 .
在本实施例中，蓄水池5中设置有二道隔板52，二道隔板52将蓄水池5分成三个沉淀过滤区，分别为第一沉淀过滤区53、第二沉淀过滤区54、第三沉淀过滤区55，排水口61通过管道与蓄水池5的第一沉淀过滤区53相连通，使得脏水首先流入至第一沉淀过滤区53沉淀过滤，然后第一沉淀过滤区53中的水会溢流至第二沉淀过滤区54中再沉淀过滤，接着第二沉淀过滤区54中的水会溢流至第三沉淀过滤区55中再一次沉淀过滤，潜水泵51位于第三沉淀过滤区55中。In this embodiment, two partitions 52 are arranged in the reservoir 5, and the two partitions 52 divide the reservoir 5 into three sedimentation filtration areas, which are respectively the first sedimentation filtration area 53 and the second sedimentation filtration area. 54. The third sedimentation filter area 55, the outlet 61 is connected to the first sedimentation filter area 53 of the reservoir 5 through pipes, so that the dirty water first flows into the first sedimentation filter area 53 for sedimentation and filtration, and then the first sedimentation filter area The water in the 53 will overflow into the second sedimentation filter area 54 and precipitate and filter again, then the water in the second sediment filter area 54 will overflow to the third sediment filter area 55 and precipitate and filter again, the submersible pump 51 is located at the first In the third precipitation filter area 55.
在本实施例中，还包括：在U型换热管9两端插入至两个检测接头22中时用于托住U型换热管9的托持架7；设置托持架7是为了降低工人的劳动强度。托持架7托住U型换热管9时能使U型换热管9由前向后倾斜，这样设置是为了方便检测完毕后U型换热管9中的水倒出。In this embodiment, it also includes: a bracket 7 for supporting the U-shaped heat exchange tube 9 when both ends of the U-shaped heat exchange tube 9 are inserted into the two detection joints 22; the purpose of setting the bracket 7 is to Reduce the labor intensity of workers. When the bracket 7 supports the U-shaped heat-exchange tube 9, the U-shaped heat-exchange tube 9 can be tilted from front to back. This arrangement is for pouring out the water in the U-shaped heat-exchange tube 9 after the detection is completed.
另外，两个检测接头22上分别连接有一个用于检测检测接头22中水压力的压力表221，通过压力表221能直观的了解U型换热管9中水的压力。In addition, a pressure gauge 221 for detecting the water pressure in the detection joint 22 is respectively connected to the two detection joints 22 , and the pressure of the water in the U-shaped heat exchange tube 9 can be intuitively known through the pressure gauge 221 .
在本实施例中，管端固定机构的结构包括：外夹模8、与安装架21相固定的内夹模81和夹模驱动装置82，本实施例中，夹模驱动装置82为油缸；夹模驱动装置82能驱动外夹模8向着内夹模81移动而使内、外夹模81、8相对夹，在内、外夹模81、8上均设置有半圆槽83，两个半圆槽83在内、外夹模81、8对夹时能夹抱于 U型换热管9直管段的外侧，从而对U型换热管9端部进行固定。In this embodiment, the structure of the pipe end fixing mechanism includes: an outer clamping die 8, an inner clamping die 81 fixed to the mounting frame 21, and a clamping die driving device 82. In this embodiment, the clamping die driving device 82 is an oil cylinder; Clamping drive device 82 can drive outer clamping mold 8 to move toward inner clamping mold 81 so that inner and outer clamping molds 81 and 8 are oppositely clamped. Both inner and outer clamping molds 81 and 8 are provided with semicircular grooves 83, two semicircular The groove 83 can be clamped on the outside of the straight pipe section of the U-shaped heat exchange tube 9 when the inner and outer clamping dies 81 and 8 are paired, thereby fixing the ends of the U-shaped heat exchange tube 9 .
另外，外夹模8通过螺丝可拆卸的安装于夹模驱动装置82上，内夹模81通过螺丝可拆卸的安装于安装架21上，这样设置是为了方便更换不同尺寸半圆槽83的内、外夹模81、8，从而来适应管径不同的U型换热管9。In addition, the outer clamping mold 8 is detachably installed on the clamping mold driving device 82 through screws, and the inner clamping mold 81 is detachably installed on the mounting frame 21 through screws. This arrangement is to facilitate the replacement of the inner and outer semicircular grooves 83 of different sizes. The outer clamping molds 81, 8 are adapted to the U-shaped heat exchange tubes 9 with different tube diameters.
在支架1上设置有两根左右走向且平行布置的滑移杆71，在两个滑移杆71上分别套装有可滑移的滑套72，两个安装架21分别通过与两个滑移杆71上的滑套72相固定而可左右滑移的安装于两根滑移杆71上，两个安装架21的左右位置可调节是为了适应弯曲半径不同的U型换热管9。On the bracket 1, there are two sliding rods 71 arranged parallel to the left and right. The two sliding rods 71 are respectively fitted with slidable sliding sleeves 72. The sliding sleeve 72 on the rod 71 is fixed and can slide left and right and is installed on the two sliding rods 71. The left and right positions of the two mounting brackets 21 can be adjusted in order to adapt to U-shaped heat exchange tubes 9 with different bending radii.
工作时，由工人将U型换热管的两端分别插入至两个检测接头22中，并且两个管端固定机构分别对U型换热管的两端进行固定，防止U型换热管的两端在检测时与检测接头22相脱开，然后工人打开截止阀41，并且水压泵31工作通过检测接头22向U型换热管中通水，直至放水管4中有水流出，从而来排出U型换热管中的空气；接着工人关闭截止阀41，而水压泵31继续工作，使得U型换热管中的水压上升，工人可以通过压力表221来了解U型换热管中的水压，当水压达到需要值后，工人关闭水压泵31，使得高压水憋于U型换热管中，然后工人检查U型换热管上是否有水喷出，如果有水喷出，那么说明喷水处存在漏点，由于采用高压水检测U型换热管漏点，所以即使小漏点，小漏点处也会向外喷水，这样工人就能快速、准确地检测出U型换热管上的小漏点；检测完毕后，由工人打开截止阀41进行泄压，然后工人控制两个管端固定机构松开U型换热管的两端，使得工人能将U型换热管两端从两个检测接头22中拔出，接着将U型换热管静置于托持架7上一段时间，使得U型换热管中的水能由前向后流入至放水台6上，待U型换热管中的水基本放空后，工人将U型换热管取下，并换上新的U型换热管进行检测。When working, the worker inserts the two ends of the U-shaped heat exchange tube into the two detection joints 22, and the two tube end fixing mechanisms respectively fix the two ends of the U-shaped heat exchange tube to prevent the U-shaped heat exchange tube from The two ends of the two ends are disengaged from the detection joint 22 during detection, and then the worker opens the shut-off valve 41, and the hydraulic pump 31 works to pass water into the U-shaped heat exchange tube through the detection joint 22 until water flows out of the drain pipe 4. Thus, the air in the U-shaped heat exchange tube is discharged; then the worker closes the shut-off valve 41, and the hydraulic pump 31 continues to work, so that the water pressure in the U-shaped heat exchange tube rises, and the worker can understand the U-shaped heat exchange tube through the pressure gauge 221. The water pressure in the heat pipe, when the water pressure reaches the required value, the workman closes the hydraulic pump 31, so that the high-pressure water is held in the U-shaped heat exchange tube, and then the workman checks whether there is water ejection on the U-shaped heat exchange tube, if If there is water spraying out, it means that there is a leak at the water spraying point. Because high-pressure water is used to detect the leaking point of the U-shaped heat exchange tube, even if there is a small leaking point, the small leaking point will spray water outwards, so that workers can quickly and Accurately detect the small leaks on the U-shaped heat exchange tubes; after the detection is completed, the worker opens the shut-off valve 41 to release the pressure, and then the worker controls the two tube end fixing mechanisms to loosen the two ends of the U-shaped heat exchange tubes, so that Workers can pull out the two ends of the U-shaped heat exchange tube from the two detection joints 22, and then place the U-shaped heat exchange tube on the support frame 7 for a period of time, so that the water in the U-shaped heat exchange tube can flow from the front It flows backward onto the water discharge platform 6. After the water in the U-shaped heat exchange tube is basically emptied, the worker takes off the U-shaped heat exchange tube and replaces it with a new U-shaped heat exchange tube for testing.
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