CN213022655U - Low temperature capability test device for PE pipeline - Google Patents
Low temperature capability test device for PE pipeline Download PDFInfo
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- CN213022655U CN213022655U CN202021898503.2U CN202021898503U CN213022655U CN 213022655 U CN213022655 U CN 213022655U CN 202021898503 U CN202021898503 U CN 202021898503U CN 213022655 U CN213022655 U CN 213022655U
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Abstract
The utility model discloses a low temperature capability test device for PE pipeline. It includes the supporting seat, is provided with on the supporting seat and detects the chamber, and the bottom that detects the chamber is provided with the backup pad that a plurality of upwards extends, sets up the mounting groove that passes the PE pipeline in the backup pad, is connected with inlet tube and the outlet pipe that matches the PE pipeline on detecting two relative inner walls in chamber, and inlet tube and outlet pipe pass the inner wall that detects the chamber and are connected with the PE pipeline. The utility model discloses an useful part lies in: carry hot water or cold water and carry low temperature gas to detecting the chamber through air inlet in to the PE pipeline through inlet tube and outlet pipe and come the service environment of simulation real well pipeline, then push down the clamp plate through pushing down the cylinder and push down, judge the withstand voltage condition of PE pipeline in low temperature environment to judge the cold resistance of PE pipeline.
Description
Technical Field
The utility model relates to a pipeline processing detection area, specific is a low temperature capability test device for PE pipeline.
Background
The PE pipe is mainly adopted in the current water pipeline, is a semi-crystalline thermoplastic plastic pipe, is non-toxic and sanitary, has the advantages of no corrosion, wear resistance, no scale formation, long service life and the like, is mainly applied to a cold and hot water supply system or a heating system, has the service temperature range of-20 ℃ to 70 ℃ and is easy to freeze and crack at the low temperature of lower than-20 ℃, particularly in the north and in winter. In order to reduce the loss caused by damage of the PE pipe, after the cold-resistant PE pipe is produced, the PE pipe needs to be sampled and detected, the pipes are detected independently by a common detection method, the detection environment of each pipe is different, and the actual condition of the pipe cannot be objectively reflected.
Disclosure of Invention
In order to overcome at least partial defect among the prior art, the embodiment of the utility model provides a low temperature capability test device for PE pipeline, its simple structure, convenient to use can carry out synchronous detection to many pipelines simultaneously, reduces the temperature environment difference between the pipeline.
The embodiment of the application discloses: a low-temperature performance testing device for PE pipelines comprises a supporting seat, wherein a detection cavity is arranged on the supporting seat, a plurality of supporting plates extending upwards are arranged at the bottom of the detection cavity, mounting grooves penetrating through the PE pipelines are formed in the supporting plates, a water inlet pipe and a water outlet pipe matched with the PE pipelines are connected to two opposite inner walls of the detection cavity, the water inlet pipe and the water outlet pipe penetrate through the inner walls of the detection cavity and are connected with the PE pipelines, flow valves are arranged on the water inlet pipe and the water outlet pipe, the water inlet pipe is connected with a switching valve, the switching valve is connected with a water inlet pipe, the water inlet pipe is connected with a water tank through a conveying pump, a pressing cylinder is connected to a top plate of the detection cavity and is connected with a pressing plate, the pressing plate is positioned above the PE pipelines, and the number of the pressing plates is consistent with the number of, the lower surface of holding down plate is connected with pressure sensor, it is provided with the air inlet to detect the chamber lower extreme, the air inlet is connected with the admission valve, the admission valve is connected with the setting and is in detect the temperature sensor of intracavity.
Further, the upper end of the detection cavity is provided with an air outlet, the air outlet is connected with an air outlet pipe through an anti-reflux valve, and the air outlet pipe is communicated with the outside.
Further, the admission valve is connected with the gas pitcher, the gas pitcher with be provided with the gaseous heat sink that cools off gas between the admission valve.
Further, the gas cooling device is a vacuum circulating nitrogen cooler, the gas inlet end of the vacuum circulating nitrogen cooler is connected with the gas tank, and the gas outlet end of the vacuum circulating nitrogen cooler is connected with the gas inlet valve.
Furthermore, an observation window for observing the damage state of the PE pipeline in the detection cavity is formed in the side wall of the detection cavity, and the observation window is made of heat insulation glass.
Furthermore, the pressure sensor is connected with a display device for displaying the pressure between the lower pressing plate and the PE pipeline, the display device is arranged on the supporting seat, and the display device is in signal connection with the pressure sensor.
Furthermore, the lower pressing plate and the supporting plate are arranged in parallel in a corresponding and/or staggered mode, and the width of the lower pressing plate is not smaller than the outer diameter of the PE pipeline.
Furthermore, the water inlet pipe is provided with a water inlet temperature sensor for detecting the water inlet temperature, and the water outlet pipe is provided with a water outlet temperature sensor for detecting the water temperature.
Furthermore, the section of the mounting groove is semicircular or U-shaped, and the mounting groove is uniformly arranged on the supporting plate.
Furthermore, the water inlet pipe and the water outlet pipe are both heat insulation hoses.
The utility model has the advantages as follows: the utility model relates to a low temperature capability test device for PE pipeline, through inlet tube and outlet pipe to carry hot water or cold water in the PE pipeline and through the intake pipe to carry low temperature gas in detecting the chamber to simulate the service environment of pipeline in reality, then promote the holding down plate to push down through the air cylinder that pushes down and push down, judge the withstand voltage condition of PE pipeline in low temperature environment to judge the cold resistance of PE pipeline; in addition, the cold resistance of the PE pipeline in a static state of hot water or cold water is detected by adjusting flow valves on a water inlet pipe and a water outlet pipe; in addition, a plurality of PE pipelines can be simultaneously detected, the detection reference is improved, the defect that the detection result is inaccurate due to inconsistent environment in the single detection is avoided, and the reliability of the detection result is improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a low-temperature performance testing device for PE pipelines.
FIG. 2 is a schematic view of the inner structure of the detection chamber.
Fig. 3 is a schematic view of the installation structure of the observation window.
Fig. 4 is a schematic cross-sectional structure of the support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in a preferred embodiment of the present invention, the apparatus for testing low temperature performance of PE pipeline comprises a supporting base 1, a detection chamber 2 is disposed on the supporting base 1, a plurality of supporting plates 3 extending upward are disposed at the bottom of the detection chamber 2, a mounting groove 31 is disposed on the supporting plate 3 for passing through a PE pipeline 10, a water inlet pipe 4 and a water outlet pipe 5 are connected to two opposite inner walls of the detection chamber 2, the water inlet pipe 4 and the water outlet pipe 5 pass through the inner wall of the detection chamber 2 to be connected to the PE pipeline 10, a flow valve 8 is disposed on each of the first pipeline 4 and the second pipeline 5, the water inlet pipe 4 is connected to a switching valve 6, the switching valve 6 is connected to a water inlet pipe 61, the water inlet pipe is connected to a water tank (not shown) through a delivery pump 62, a pressing cylinder 7 is connected to a top plate of the detection chamber 2, the air cylinder 7 is connected with holding down plate 71, holding down plate 71 is located PE pipeline 10 top, the quantity of holding down plate 71 with the quantity of PE pipeline 10 is unanimous, holding down plate 71's lower surface is connected with pressure sensor (not shown), it is provided with air inlet 21 to detect the chamber 2 lower extreme, air inlet 21 is connected with admission valve 22, admission valve 22 is connected with the setting and is in detect the temperature sensor (not shown) in the chamber 2. Hot water or cold water is conveyed into the PE pipeline 10 through the water inlet pipe 4 and the water outlet pipe 5, and low-temperature gas is conveyed into the detection cavity 2 through the air inlet 21 to simulate the use environment of the pipeline in reality, and then the lower pressing plate 71 is pushed to press through the lower pressing cylinder 7 to judge the pressure resistance condition of the PE pipeline 10 in the low-temperature environment, so that the cold resistance of the PE pipeline 10 is judged; in addition, the cold resistance of the PE pipeline 10 in a static state of hot water or cold water is detected by adjusting flow valves 8 on the water inlet pipe 4 and the water outlet pipe 5; in addition, a plurality of PE pipelines 10 can be simultaneously detected, the detection reference is improved, the defect that the detection result is inaccurate due to inconsistent environment in single detection is avoided, and the reliability of the detection result is improved.
Referring to fig. 1, in the above embodiment, the upper end of the detection chamber 2 is provided with an air outlet 23, the air outlet 23 is connected with an air outlet pipe 25 through an anti-reflux valve 24, and the air outlet pipe 25 is communicated with the outside. When low-temperature gas is conveyed into the detection cavity 2, redundant gas is discharged through the gas outlet pipe 25, the condition that the gas pressure in the detection cavity 2 is too large is prevented, the low-temperature gas is stopped to be conveyed after the temperature and the gas pressure temperature in the detection cavity 2 are detected, and the anti-reflux valve 24 is closed.
Referring to fig. 1, in the above embodiment, the intake valve 22 is connected to a gas tank (not shown), and a gas temperature reducing device 9 for cooling gas is provided between the gas tank and the intake valve 22. The gas cooling device 9 is a vacuum circulating nitrogen cooler, the gas inlet end of the vacuum circulating nitrogen cooler is connected with the gas tank, and the gas outlet end of the vacuum circulating nitrogen cooler is connected with the gas inlet valve 22. Through vacuum cycle nitrogen gas cooler can be quick with gaseous reduction to the settlement temperature, build low temperature test environment for PE pipeline 10's test to the convenient cold resistance to PE pipeline 10 detects.
Referring to fig. 3, in the above embodiment, an observation window 26 for observing the damage state of the PE pipe in the detection chamber is opened on the side wall of the detection chamber 2, and the observation window 26 is made of heat insulation glass.
Referring to fig. 1 and 2, in the above embodiment, the pressure sensor is connected to a display device 72 for displaying the pressure between the lower pressing plate 71 and the PE pipe 10, the display device 73 is disposed on the supporting base 1, and the display device 73 is in signal connection with the pressure sensor.
In the above embodiment, the lower pressing plate 71 is arranged in parallel corresponding to and/or offset from the supporting plate 3, and the width of the lower pressing plate 71 is not less than the outer diameter of the PE pipe 10.
Referring to fig. 1 and 2, in the above embodiment, the inlet pipe 4 is provided with an inlet water temperature sensor (not shown) for detecting the inlet water temperature, and the outlet pipe 5 is provided with an outlet water temperature sensor (not shown) for detecting the temperature of the outlet water. The water inlet pipe 4 and the water outlet pipe 4 are both heat insulation hoses. The temperature of water inflow and the temperature of water outflow can be detected through the water inflow temperature sensor and the water outflow temperature sensor, and the temperature loss of hot water passing through the PE pipeline 10 can be calculated, so that the heat preservation capability of the PE pipeline 10 is tested. In the practical implementation process, the inlet water temperature sensor and the outlet water temperature sensor are both digital display liquid temperature sensors.
Referring to fig. 4, in the above embodiment, the cross-sectional shape of the mounting groove 31 is a semicircle or U-shape, and the mounting groove 31 is uniformly opened on the support plate 3. In practical implementation, the installation groove 31 may also be a rectangular groove, a V-shaped groove, or the like, and the PE pipe 10 is at least partially located in the installation groove 31.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. The utility model provides a low temperature capability test device for PE pipeline which characterized in that: comprises a supporting seat, a detection cavity is arranged on the supporting seat, a plurality of supporting plates extending upwards are arranged at the bottom of the detection cavity, a mounting groove passing through a PE pipeline is arranged on each supporting plate, a water inlet pipe and a water outlet pipe matched with the PE pipeline are connected on two opposite inner walls of the detection cavity, the water inlet pipe and the water outlet pipe pass through the inner wall of the detection cavity and are connected with the PE pipeline, flow valves are arranged on the water inlet pipe and the water outlet pipe respectively, the water inlet pipe is connected with a switching valve, the switching valve is connected with a water inlet pipe, the water inlet pipe is connected with a water tank through a delivery pump, a top plate of the detection cavity is connected with a pressing cylinder, the pressing cylinder is connected with a pressing plate, the pressing plate is positioned above the PE pipeline, the number of the pressing plate is consistent with the number of the PE pipeline, and the, the detection cavity lower extreme is provided with the air inlet, the air inlet is connected with the admission valve, the admission valve is connected with the setting and is in detect the temperature sensor of intracavity.
2. The low-temperature performance testing device for the PE pipeline according to claim 1, wherein: the upper end of the detection cavity is provided with an air outlet, the air outlet is connected with an air outlet pipe through an anti-reflux valve, and the air outlet pipe is communicated with the outside.
3. The low-temperature performance testing device for the PE pipeline according to claim 1, wherein: the admission valve is connected with the gas pitcher, the gas pitcher with be provided with between the admission valve and carry out refrigerated gaseous heat sink to gas.
4. The low-temperature performance testing device for the PE pipeline according to claim 3, wherein: the gas cooling device is a vacuum circulating nitrogen cooler, the gas inlet end of the vacuum circulating nitrogen cooler is connected with the gas tank, and the gas outlet end of the vacuum circulating nitrogen cooler is connected with the gas inlet valve.
5. The low-temperature performance testing device for the PE pipeline according to claim 1, wherein: and an observation window for observing the damage state of the PE pipeline in the detection cavity is arranged on the side wall of the detection cavity, and the observation window is made of heat-insulating glass.
6. The low-temperature performance testing device for the PE pipeline according to claim 1, wherein: the pressure sensor is connected with a display device for displaying the pressure between the lower pressing plate and the PE pipeline, the display device is arranged on the supporting seat, and the display device is in signal connection with the pressure sensor.
7. The low-temperature performance testing device for the PE pipeline according to claim 1, wherein: the lower pressing plate and the supporting plate are arranged in parallel correspondingly and/or in a staggered mode, and the width of the lower pressing plate is not smaller than the outer diameter of the PE pipeline.
8. The low-temperature performance testing device for the PE pipeline according to claim 1, wherein: the water inlet pipe is provided with a water inlet temperature sensor for detecting water inlet temperature, and the water outlet pipe is provided with a water outlet temperature sensor for detecting water temperature.
9. The low-temperature performance testing device for the PE pipeline according to claim 1, wherein: the cross-sectional shape of the mounting groove is semicircular or U-shaped, and the mounting groove is uniformly arranged on the supporting plate.
10. The low-temperature performance testing device for the PE pipeline according to claim 1, wherein: the water inlet pipe and the water outlet pipe are both heat insulation hoses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021898503.2U CN213022655U (en) | 2020-09-03 | 2020-09-03 | Low temperature capability test device for PE pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021898503.2U CN213022655U (en) | 2020-09-03 | 2020-09-03 | Low temperature capability test device for PE pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022655U true CN213022655U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021898503.2U Active CN213022655U (en) | 2020-09-03 | 2020-09-03 | Low temperature capability test device for PE pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN213022655U (en) |
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2020
- 2020-09-03 CN CN202021898503.2U patent/CN213022655U/en active Active
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