CN117168958A - Plastic pipe pressure detection device and detection method - Google Patents
Plastic pipe pressure detection device and detection method Download PDFInfo
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- CN117168958A CN117168958A CN202311125672.0A CN202311125672A CN117168958A CN 117168958 A CN117168958 A CN 117168958A CN 202311125672 A CN202311125672 A CN 202311125672A CN 117168958 A CN117168958 A CN 117168958A
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- 239000004033 plastic Substances 0.000 title claims abstract description 199
- 229920003023 plastic Polymers 0.000 title claims abstract description 199
- 238000001514 detection method Methods 0.000 title claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 430
- 238000007789 sealing Methods 0.000 claims abstract description 77
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims description 33
- 238000005192 partition Methods 0.000 claims description 33
- 238000005485 electric heating Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 230000003134 recirculating effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 230000008859 change Effects 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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Abstract
The application relates to the technical field of plastic pipe pressure detection, and provides a plastic pipe pressure detection device and a detection method, wherein the plastic pipe pressure detection device is applied to pressure detection of different water temperatures of plastic pipes and comprises a mounting box, a ventilation baffle plate, a column platform, a sealing cover, a fixing component, a limiting component, a stepping sealing component and a circulating water supply component, wherein an anti-slip support leg is arranged at the bottom end of the mounting box, a through hole is formed in the mounting box, the ventilation baffle plate is arranged at the through hole of the mounting box, the column platform is arranged at the top end of the mounting box, and the problems that in the prior art, when the plastic pipe is subjected to circulation of water with different temperatures, the plastic pipe possibly expands to different degrees, so that the water pressure of the plastic pipe is changed, and therefore, the pressure detection of different temperatures is required on the basis of the pressure detection, and the pressure detection of different temperatures is difficult to be carried out on the plastic pipe by the existing pressure detection device are solved.
Description
Technical Field
The application relates to the technical field of plastic pipe pressure detection, in particular to a plastic pipe pressure detection device and a detection method.
Background
After the end of production, several plastic pipes need to be randomly extracted from the same batch of plastic pipes for multiple tests, such as thickness measurement, bending test, tensile test, pressure test and impact toughness test, so as to ensure that the plastic pipes cannot have quality problems and cause irrecoverable loss in subsequent operation.
When the plastic pipe is subjected to pressure detection, one end of the plastic pipe is plugged, water is slowly injected into the plastic pipe from an opening at the other end of the plastic pipe, gas of the plastic pipe is discharged, after the plastic pipe is filled with water, the plastic pipe is subjected to water tightness detection, then after the plastic pipe is subjected to water tightness detection, the plastic pipe is slowly pressurized by a water pump, the plastic pipe is kept stand for 15min after the pressurization is stopped, whether water leakage occurs in the plastic pipe is checked, and whether the plastic pipe passes through the pressure detection is judged.
However, in the actual water supply operation of the plastic pipe, the water at different temperatures may be transported due to different usage scenarios, the plastic pipe may be expanded due to different degrees of temperature, so that the water pressure of the plastic pipe may be changed, however, the existing pressure detection device needs to detect the pressure of the plastic pipe at different temperatures, after the water is heated by using tools such as an electric kettle and the like, the water at the first test temperature is obtained, then the water at the first test temperature is injected into the water injector through the water pump, the water at the first test temperature in the water injector is injected into the plastic pipe, after the pressure at the first temperature is detected, the electric kettle is required to be waited for heating the water to the second test temperature, meanwhile, the water at the first temperature in the water injector is required to be completely discharged, then the water at the second temperature is injected into the water injector, and the pressure detection process is repeated until the pressure detection of the different temperatures required to be detected is completed, the whole process is not only difficult to operate, and a great amount of time is required to detect the pressure of the plastic pipe.
Disclosure of Invention
The application provides a plastic pipe pressure detection device and a detection method, which solve the problems that in the prior art, when plastic pipes are subjected to water circulation at different temperatures, the plastic pipes possibly expand at different degrees, so that the water pressure applied to the plastic pipes changes, and therefore, the pressure detection at different temperatures is required on the basis of the pressure detection, and the pressure detection at different temperatures is difficult to be carried out on the plastic pipes by the existing pressure detection device.
The technical scheme of the application is as follows:
the utility model provides a plastics tubular product pressure detection device, is applied to the pressure detection of the different temperatures of plastics tubular product, includes mounting box, ventilation baffle, pylon, sealed cowling, fixed subassembly, spacing subassembly, step-type seal assembly and circulation water supply assembly, the bottom of mounting box is provided with anti-skidding stabilizer blade, and the opening has been seted up on the mounting box, ventilation baffle sets up the mounting box the opening department, the pylon sets up the top of mounting box, the sealed cowling sets up on the mounting box, fixed subassembly sets up the top of sealed cowling, spacing subassembly sets up on the lateral wall of pylon, step-type seal assembly sets up in the mounting box, circulation water supply assembly sets up in the mounting box.
The post bench is provided with:
the first sealing gasket is arranged at the top end of the pylon;
and the water writing paper is arranged on the side wall of the pylon.
The sealing cover is provided with:
the glass partition plate is provided with a limiting slot on the sealing cover and is arranged on the limiting slot of the sealing cover in a sliding manner;
the handle is arranged on the side wall of the glass partition plate;
the limiting baffle is arranged on the side wall of the glass partition plate and is positioned on the inner side of the sealing cover;
and the bolt is arranged on the side walls of the glass partition plate and the mounting box.
The fixing assembly includes:
the first cylinder is arranged at the top end of the sealing cover, and the telescopic rod of the first cylinder penetrates through the top wall of the sealing cover;
the first fixed disc is arranged on the telescopic rod of the first cylinder;
and the second sealing gasket is arranged at the bottom end of the first fixed disc.
The spacing subassembly includes:
the fixing ring is arranged on the outer side wall of the pylon;
the second cylinder is arranged on the fixed ring;
and the friction block is arranged on the telescopic rod of the second cylinder.
The step seal assembly includes:
a third cylinder which is arranged in the mounting box and is closed, and a telescopic rod of the third cylinder penetrates through the pylon and the first sealing gasket;
the second fixed disc is arranged on the telescopic rod of the third cylinder;
and the sealing sleeve is arranged on the second fixed disc.
The circulating water supply assembly includes:
the first water storage tank is arranged in the mounting box;
the first electric heating net is arranged in the first water storage tank;
the water pump is arranged on the inner side wall of the sealing cover;
the first water inlet branch pipe is fixedly communicated with the first water storage tank and the water pump;
the first water inlet valve is arranged on the first water inlet branch pipe;
a water inlet main pipe which is fixedly communicated with the water pump and penetrates through the first fixing disc and the second sealing gasket;
the water outlet main pipe penetrates through the first fixing disc and the second sealing gasket;
the water outlet main valve is arranged on the water outlet main pipe;
the first water outlet branch pipe is fixedly communicated with the water outlet main pipe and the first water storage tank;
the first water outlet valve is arranged on the first water outlet branch pipe;
and the second water supply pipeline assembly is arranged in the mounting box.
The second water supply line assembly includes:
the second water storage tank is arranged in the mounting tank;
the second electric heating net is arranged in the second water storage tank;
the second water inlet branch pipe is fixedly communicated with the second water storage tank and the water pump;
the second water inlet valve is arranged on the second water inlet branch pipe;
the second water outlet branch pipe is fixedly communicated with the water outlet main pipe and the second water storage tank;
the second water outlet valve is arranged on the second water outlet branch pipe.
In order to be convenient for know what the pressure value in the current plastic pipe is, further on the basis of above-mentioned scheme, the bottom of first fixed disk is provided with pressure sensing probe, and pressure sensing probe runs through the second is sealed fills up.
In order to control the operation of the device conveniently and record related data, a computer is further arranged beside the installation box on the basis of the scheme.
The application method of the plastic pipe pressure detection device comprises the following steps:
s1, firstly, vertically placing a plastic pipe to be detected on a column base, driving a glass partition plate to move in a limit groove of a sealing cover through a grip, closing the glass partition plate, and then operating a bolt to limit the position of the glass partition plate;
s2, after the glass partition plate is closed, starting a second cylinder, driving a friction block to move towards the center position of the column base through a telescopic rod of the second cylinder, enabling the friction block to contact the outer side wall of the plastic pipe in the middle of movement, further driving the plastic pipe to move towards the center position of the column base, finally fixing the plastic pipe at the center position of the column base, starting the first cylinder, propping a first fixing disc against the top end of the plastic pipe, and enabling the inside of the plastic pipe to be in a sealed state through a first sealing gasket and a second sealing gasket;
s3, when pressure detection is started, a first water inlet valve, a water outlet main valve and a first water outlet valve are started, then a water pump is started, water in a first water storage tank is slowly injected into a plastic pipe, air in the plastic pipe is discharged into the first water storage tank until the plastic pipe is filled with water, and after all the air in the plastic pipe is discharged into the first water storage tank, the water pump is stopped, and the first water inlet valve, the water outlet main valve and the first water outlet valve are closed, so that water tightness detection is carried out on the plastic pipe;
s4, after the plastic pipe passes the water tightness detection, opening a first water inlet valve, starting a water pump to slowly pressurize the plastic pipe, controlling the pressure in the plastic pipe in real time through a pressure sensing probe, closing the first water inlet valve when the pressure in the plastic pipe reaches the standard use range, stopping the water pump, standing for 15min to check whether water leakage occurs, after the plastic pipe passes the integral pressure detection, opening a water outlet main valve and a first water outlet valve, starting a third cylinder, enabling a second fixed disc to ascend in the plastic pipe, enabling water in the plastic pipe to flow into a first water storage tank through a water outlet main pipe and a first water outlet branch pipe, and enabling the pressure of the plastic pipe to be always in the standard use range in the ascending process of the second fixed disc, after the second fixed disc ascends one end distance, closing the water outlet main valve and the first water outlet valve, stopping the third cylinder, standing for 5min to check whether water leakage occurs, after no water leakage is observed, opening the water outlet main valve and the first water outlet valve again, starting the third cylinder, repeating the operation until all water in the plastic pipe is discharged into the first water storage tank, performing multiple local pressure detection on the plastic pipe, after all water in the plastic pipe is discharged into the first water storage tank, enabling the water outlet main valve and the first water outlet valve to be in an open state at the moment, starting the third cylinder, enabling the second fixed disc to perform descending movement in the plastic pipe, enabling air discharged into the first water storage tank from the plastic pipe to return to the plastic pipe again, and closing the water outlet main valve and the first water outlet valve at the moment;
s5, when the first water storage tank is used for pressure detection, the second electric heating net is started to heat water in the second water storage tank, after the first water storage tank is used for pressure detection, the temperature of the water in the second water storage tank is just in a detection range, at the moment, the operations of S3 and S4 are carried out again through the second water storage tank, and pressure detection of different water temperatures is carried out on the plastic pipe.
The working principle and the beneficial effects of the application are as follows:
1. according to the application, after the plastic pipe to be detected is vertically placed on the column base, the glass partition plate is closed, so that the plastic pipe is subjected to pressure detection of different water temperatures in a closed space, and the occurrence of scalding accidents caused by splashing of high-temperature water onto a nearby quality inspector due to fragmentation when the plastic pipe is subjected to pressure detection of the high water temperature is prevented;
2. after the glass partition plate is closed, the plastic pipe is moved to the middle of the column base through the limiting assembly, so that the subsequent second fixing disc can smoothly lift in the plastic pipe, the plastic pipe is fixed in an auxiliary mode through the limiting assembly, then the first cylinder is started, the first fixing disc is propped against the top end of the plastic pipe, and the inside of the plastic pipe is in a sealed state through the first sealing gasket and the second sealing gasket;
3. when the pressure detection is started, the first water inlet valve, the water outlet main valve and the first water outlet valve are started, then the water pump is started, water in the first water storage tank is slowly injected into the plastic pipe, air in the plastic pipe is discharged into the first water storage tank until the plastic pipe is filled with water, the air in the plastic pipe is completely discharged into the first water storage tank, the water pump is stopped, the first water inlet valve, the water outlet main valve and the first water outlet valve are closed, the water tightness detection is carried out on the plastic pipe, if water leakage occurs on the plastic pipe, the leaked water flows to the column along the outer side wall of the vertical plastic pipe, flows to the water writing paper along the outer side wall of the column, when the water contacts the water writing paper, the water writing paper generates a color change phenomenon, a quality inspector can conveniently and rapidly judge that the water tightness detection of the plastic pipe is unqualified, and the pressure detection is rapidly stopped;
4. in the application, after the plastic pipe passes the water tightness detection, a first water inlet valve is opened, a water pump is started to slowly pressurize the plastic pipe, the pressure in the plastic pipe is controlled in real time through a pressure sensing probe, when the pressure in the plastic pipe reaches the standard use range, the first water inlet valve is closed, the water pump is stopped, the plastic pipe stands for 15min to check whether water leakage occurs, after the plastic pipe passes the integral pressure detection, a water outlet main valve and a first water outlet valve are opened, a third cylinder is started, a second fixed disc is lifted in the plastic pipe, the bottom end of the plastic pipe is always in a sealed state through a sealing sleeve, the water in the plastic pipe flows into a first water storage tank through a water outlet main pipe and a first water outlet branch pipe, and the pressure of the plastic pipe is always in the standard use range in the lifting process of a second fixed disc, after the second fixed disc ascends one end distance, closing the water outlet main valve and the first water outlet valve, stopping the third cylinder, standing for 5min to check whether water leakage occurs, after no water leakage is observed, opening the water outlet main valve and the first water outlet valve again, starting the third cylinder, repeating the operation until all water in the plastic pipe is discharged into the first water storage tank, performing multiple local pressure detection on the plastic pipe, after all water in the plastic pipe is discharged into the first water storage tank, enabling the water outlet main valve and the first water outlet valve to be in an open state at the moment, starting the third cylinder, enabling the second fixed disc to perform descending movement in the plastic pipe, enabling air discharged into the first water storage tank from the plastic pipe to return to the plastic pipe again, and closing the water outlet main valve and the first water outlet valve at the moment;
5. in the application, when the first water storage tank is used for pressure detection, the second electric heating net is started to heat water in the second water storage tank, after the first water storage tank is used for pressure detection, the temperature of the water in the second water storage tank is just in a detection range, at the moment, the 3 and 4 operations are carried out again through the second water storage tank, the pressure detection of different water temperatures is carried out on the plastic pipe, and when the second water storage tank is used for pressure detection of different water temperatures, the first electric heating net is started to heat the water in the first water storage tank, so that the pressure detection of different water temperatures is carried out on the plastic pipe for multiple times, and the pressure detection of different water temperatures can be carried out on the plastic pipe for multiple times more quickly through the cyclic use of the first water storage tank and the second water storage tank.
Therefore, compared with the prior art, the device is quite simple to operate, and the device can rapidly detect the pressure of different water temperatures of the plastic pipe in multiple times in a short time.
Drawings
The application will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic view of the partial structure of the fitting of the mounting box, the ventilation partition, the fixing assembly, the limiting assembly and the circulating water supply assembly of the present application;
FIG. 3 is a schematic view of the seal cap, glass barrier, grip, limit stop and latch of the present application in partial cross-section;
FIG. 4 is a schematic view of the application in partial cross-section with the mounting box, vent panel, securing assembly, spacing assembly and circulating water supply assembly engaged;
FIG. 5 is a schematic view of the partial structure of the cooperating pylon, mounting assembly, step seal assembly and recirculating water supply assembly of the present application;
FIG. 6 is a schematic view of the partial structure of the cooperation of the pylon, first gasket, water writing paper and step seal assembly of the present application;
FIG. 7 is a schematic view of the partial structure of the cooperation of the fixture assembly and the pressure sensing probe of the present application;
fig. 8 is a schematic view of a partial cross-sectional structure of the circulation water supply assembly of the present application.
In the figure:
1. a mounting box; 2. a ventilation partition; 3. a pylon; 4. a sealing cover; 5. a first gasket; 6. a water writing paper; 7. a glass separator; 8. a grip; 9. a limit baffle; 10. a plug pin; 11. a first cylinder; 12. a first fixed plate; 13. a second gasket; 14. a fixing ring; 15. a second cylinder; 16. a friction block; 17. a third cylinder; 18. a second fixed disk; 19. sealing sleeve; 20. a first water storage tank; 21. a first electric heating net; 22. a water pump; 23. a first water inlet branch pipe; 24. a first inlet valve; 25. a water inlet main pipe; 26. a water outlet main pipe; 27. a water outlet main valve; 28. a first outlet branch pipe; 29. a first outlet valve; 30. a second water storage tank; 31. a second electric heating net; 32. a second water inlet branch pipe; 33. a second inlet valve; 34. a second outlet branch pipe; 35. a second water outlet valve; 36. a pressure sensing probe; 37. and a computer.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 8, the pressure detection device for the plastic pipe is applied to pressure detection of different water temperatures of the plastic pipe, and comprises a mounting box 1, a ventilation baffle plate 2, a pylon 3, a sealing cover 4, a fixing component, a limiting component, a stepping sealing component and a circulating water supply component, wherein an anti-slip support leg is arranged at the bottom end of the mounting box 1, a through hole is formed in the mounting box 1, the ventilation baffle plate 2 is arranged at the through hole of the mounting box 1, the pylon 3 is arranged at the top end of the mounting box 1, the sealing cover 4 is arranged on the mounting box 1, the fixing component is arranged at the top end of the sealing cover 4, the limiting component is arranged on the outer side wall of the pylon 3, the stepping sealing component is arranged in the mounting box 1, and the circulating water supply component is arranged in the mounting box 1.
The column table 3 is provided with a first sealing gasket 5 and water writing paper 6, the first sealing gasket 5 is arranged at the top end of the column table 3, and the water writing paper 6 is arranged on the side wall of the column table 3;
the bottom end of the plastic pipe is in a sealed state through the first sealing gasket 5, and a quality inspector can rapidly judge whether water leakage occurs to the plastic pipe through the principle that the water writing paper 6 changes color when meeting water.
Further to be supplemented, the water writing paper 6 has physical properties and chemical properties, and according to the principle that the spectrum changes after water contact, the surface of the water writing paper 6 is coated with special chemicals capable of changing color when water contacts with water, and when water falls on the surface of the water writing paper 6, black marks are displayed.
The sealing cover 4 is provided with a glass partition 7, a grip 8, a limit baffle 9 and a bolt 10, the sealing cover 4 is provided with a limit slot, the glass partition 7 is slidably arranged on the limit slot of the sealing cover 4, the grip 8 is arranged on the side wall of the glass partition 7, the limit baffle 9 is positioned on the inner side of the sealing cover 4, and the bolt 10 is arranged on the side walls of the glass partition 7 and the installation box 1;
the glass partition 7 is driven to move in the limit groove of the sealing cover 4 through the handle 8, the glass partition 7 is prevented from sliding out of the limit groove of the sealing cover 4 through the limit baffle 9 in the moving process, and the position of the glass partition 7 is limited through the bolt 10, so that the glass partition 7 is in a fixed open or fixed closed state for a long time.
The fixing assembly comprises a first air cylinder 11, a first fixing disc 12 and a second sealing gasket 13, the first air cylinder 11 is arranged at the top end of the sealing cover 4, a telescopic rod of the first air cylinder 11 penetrates through the top wall of the sealing cover 4, the first fixing disc 12 is arranged on the telescopic rod of the first air cylinder 11, and the second sealing gasket 13 is arranged at the bottom end of the first fixing disc 12;
after the plastic pipe is fixed at the center of the pylon 3, the first cylinder 11 is started, the first fixing disk 12 is driven to move towards the top end of the plastic pipe by the first cylinder 11, and finally the second sealing gasket 13 is propped against the top end opening of the plastic pipe, so that the top end of the plastic pipe is in a sealed state.
The limiting assembly comprises a fixed ring 14, a second air cylinder 15 and a friction block 16, wherein the fixed ring 14 is arranged on the outer side wall of the pylon 3, the second air cylinder 15 is arranged on the fixed ring 14, and the friction block 16 is arranged on a telescopic rod of the second air cylinder 15;
after the plastic pipe is placed on the pylon 3, the second cylinder 15 is started, the friction block 16 is driven to move towards the center position of the pylon 3 by the telescopic rod of the second cylinder 15, the friction block 16 contacts the outer side wall of the plastic pipe during movement, the plastic pipe is driven to move towards the center position of the pylon 3, and finally the plastic pipe is fixed at the center position of the pylon 3.
The stepping type sealing assembly comprises a third air cylinder 17, a second fixed disc 18 and a sealing sleeve 19, wherein the third air cylinder 17 is arranged on the inner ground of the mounting box 1 and is closed, a telescopic rod of the third air cylinder 17 penetrates through the pylon 3 and the first sealing gasket 5, the second fixed disc 18 is arranged on the telescopic rod of the third air cylinder 17, and the sealing sleeve 19 is arranged on the second fixed disc 18;
the third cylinder 17 is started, the second fixing disc 18 is driven to lift and move in the plastic pipe through the telescopic rod of the third cylinder 17, and the sealing sleeve 19 is matched, so that the plastic pipe is always in a sealed state when the second fixing disc 18 lifts and moves in the plastic pipe.
The circulating water supply assembly comprises a first water storage tank 20, a first electric heating net 21, a water pump 22, a first water inlet branch pipe 23, a first water inlet valve 24, a water inlet main 25, a water outlet main 26, a water outlet main valve 27, a first water outlet branch pipe 28, a first water outlet valve 29 and a second water supply pipeline assembly, wherein the first water storage tank 20 is arranged in the installation box 1, the first electric heating net 21 is arranged in the first water storage tank 20, the water pump 22 is arranged on the inner side wall of the sealing cover 4, the first water inlet branch pipe 23 is fixedly communicated with the first water storage tank 20 and the water pump 22, the first water inlet valve 24 is arranged on the first water inlet branch pipe 23, the water inlet main 25 is fixedly communicated with the water pump 22, the water inlet main 25 penetrates through the first fixed disc 12 and the second sealing gasket 13, the water outlet main 26 penetrates through the first fixed disc 12 and the second sealing gasket 13, the water outlet main valve 27 is arranged on the water outlet main 26, the first water outlet branch pipe 28 is fixedly communicated with the first water storage tank 20, the first water outlet valve 29 is arranged on the first water outlet branch pipe 28, and the second water supply pipeline assembly is arranged in the installation box 1;
the second water supply pipeline assembly comprises a second water storage tank 30, a second electric heating network 31, a second water inlet branch pipe 32, a second water inlet valve 33, a second water outlet branch pipe 34 and a second water outlet valve 35, wherein the second water storage tank 30 is arranged in the installation tank 1, the second electric heating network 31 is arranged in the second water storage tank 30, the second water inlet branch pipe 32 is fixedly communicated with the second water storage tank 30 and the water pump 22, the second water inlet valve 33 is arranged on the second water inlet branch pipe 32, the second water outlet branch pipe 34 is fixedly communicated with the water outlet main pipe 26 and the second water storage tank 30, and the second water outlet valve 35 is arranged on the second water outlet branch pipe 34;
starting the first electric heating net 21 and the second electric heating net 31 to heat the water in the first water storage tank 20 and the second water storage tank 30 respectively, and when the first water storage tank 20 is used for detecting the pressure of the plastic pipe, the second water inlet valve 33 and the second water outlet valve 35 are in a closed state, and the pressure detection of the plastic pipe is realized by controlling the opening and closing of the water pump 22, the first water inlet valve 24, the water outlet main valve 27 and the first water outlet valve 29;
when the second water storage tank 30 is used for pressure detection of the plastic pipe, the first water inlet valve 24 and the first water outlet valve 29 are in a closed state, the pressure detection of the plastic pipe is realized by controlling the opening and closing of the water pump 22, the second water inlet valve 33, the water outlet main valve 27 and the second water outlet valve 35, and the pressure detection of different water temperatures of the plastic pipe is realized rapidly in a short time through the mutual matching between the first water storage tank 20 and the second water storage tank 30.
In order to facilitate understanding of the pressure value in the current plastic pipe, further, based on the scheme, the bottom end of the first fixing disc 12 is provided with a pressure sensing probe 36, and the pressure sensing probe 36 penetrates through the second sealing gasket 13.
In order to facilitate the control of the operation of the device and the recording of relevant data, a computer 37 is further arranged beside the installation box 1 on the basis of the scheme;
according to the detection method, the computer 37 is controlled to correspondingly operate the fixed assembly, the limiting assembly, the stepping sealing assembly and the circulating water supply assembly, and the computer 37 is used for summarizing detected data to facilitate reporting of the data, wherein the control mode of the computer 37 belongs to a control mode known to a person skilled in the art, and the data record is also a function carried by the computer 37, so that the purposes of summarizing, storing and reporting the data are achieved more conveniently.
To sum up, the working principle of the plastic pipe pressure detection device is as follows:
firstly, after a plastic pipe to be detected is vertically placed on a column platform 3, a handle 8 drives a glass partition 7 to move in a limit slot of a sealing cover 4, the glass partition 7 is closed, then a bolt 10 is operated to limit the position of the glass partition 7, so that the plastic pipe is subjected to pressure detection of different water temperatures in a closed space, and the occurrence of scalding accidents caused by high-temperature water splashing to a nearby quality inspector due to fragmentation when the plastic pipe is subjected to pressure detection of high water temperatures is prevented;
after the glass partition 7 is closed, the second cylinder 15 is started, the friction block 16 is driven to move towards the center position of the column table 3 by a telescopic rod of the second cylinder 15, the friction block 16 contacts the outer side wall of the plastic pipe in the middle of movement, the plastic pipe is further driven to move towards the center position of the column table 3, finally the plastic pipe is fixed at the center position of the column table 3, the subsequent second fixing disc 18 can smoothly lift and lower in the plastic pipe, the plastic pipe is fixed in an auxiliary mode through the limiting component, then the first cylinder 11 is started, the first fixing disc 12 is propped against the top end of the plastic pipe, and the inside of the plastic pipe is in a sealed state by the first sealing gasket 5 and the second sealing gasket 13;
when the pressure detection is started, the first water inlet valve 24, the water outlet main valve 27 and the first water outlet valve 29 are started, then the water pump 22 is started, water in the first water storage tank 20 is slowly injected into the plastic pipe, air in the plastic pipe is discharged into the first water storage tank 20 until the plastic pipe is filled with water, the water pump 22 is stopped after all the air in the plastic pipe is discharged into the first water storage tank 20, the first water inlet valve 24, the water outlet main valve 27 and the first water outlet valve 29 are closed, the water tightness detection is carried out on the plastic pipe, if the plastic pipe leaks, the leaked water flows to the column 3 along the outer side wall of the vertical plastic pipe and flows to the water writing paper 6 along the outer side wall of the column 3, when the water contacts the water writing paper 6, the water writing paper 6 generates a color change phenomenon, a quality inspector can conveniently and rapidly judge that the water tightness detection of the plastic pipe is unqualified, and the pressure detection is rapidly stopped;
after the plastic pipe passes the water tightness detection, the first water inlet valve 24 is opened, the water pump 22 is started to slowly pressurize the plastic pipe, the pressure in the plastic pipe is controlled in real time through the pressure sensing probe 36, when the pressure in the plastic pipe reaches the standard use range, the first water inlet valve 24 is closed, the water pump 22 is stopped, the plastic pipe is kept stand for 15min to check whether water leakage occurs, after the plastic pipe passes the integral pressure detection, the water outlet main valve 27 and the first water outlet valve 29 are opened, the third cylinder 17 is started, the second fixed disk 18 is lifted in the plastic pipe, the bottom end of the plastic pipe is always in a sealed state through the sealing sleeve 19, the water in the plastic pipe flows into the first water storage tank 20 through the water outlet main pipe 26 and the first water outlet branch pipe 28, and in the lifting process of the second fixed disk 18, the pressure of the plastic pipe is always in the standard use range, after the second fixed disk 18 is lifted by one end distance, the water outlet main valve 27 and the first water outlet valve 29 are closed, the third air cylinder 17 is stopped, the plastic pipe is kept stand for 5min to check whether water leakage occurs, after no water leakage is observed, the water outlet main valve 27 and the first water outlet valve 29 are opened again, the third air cylinder 17 is started, the operation is repeated until the water in the plastic pipe is completely discharged into the first water storage tank 20, the plastic pipe is subjected to multiple local pressure detection, when the water in the plastic pipe is completely discharged into the first water storage tank 20, the water outlet main valve 27 and the first water outlet valve 29 are in an opened state at the moment, the third air cylinder 17 is started, the second fixed disk 18 is enabled to move downwards in the plastic pipe, the air discharged into the first water storage tank 20 from the plastic pipe is returned into the plastic pipe again, at this time, the water outlet main valve 27 and the first water outlet valve 29 are closed;
when the first water storage tank 20 is used for pressure detection, the second electric heating net 31 is started to heat water in the second water storage tank 30, after the first water storage tank 20 is used for pressure detection, the temperature of the water in the second water storage tank 30 is just in a detection range, at the moment, the 3 and 4 operations are performed again through the second water storage tank 30, the plastic pipe is subjected to pressure detection of different water temperatures, and when the second water storage tank 30 is used for pressure detection of different water temperatures, the first electric heating net 21 is started to heat the water in the first water storage tank 20, so that the plastic pipe is subjected to pressure detection of different water temperatures for a plurality of times, and the plastic pipe can be subjected to pressure detection of different water temperatures for a plurality of times more quickly through the recycling of the first water storage tank 20 and the second water storage tank 30.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.
Claims (9)
1. The utility model provides a plastics tubular product pressure detection device, is applied to the pressure detection of plastics tubular product different temperatures, its characterized in that includes:
the anti-skid device comprises an installation box (1), wherein anti-skid support legs are arranged at the bottom end of the installation box (1), and a through hole is formed in the installation box (1);
a ventilation baffle plate (2), wherein the ventilation baffle plate (2) is arranged at the through opening of the installation box (1);
a pylon (3), wherein the pylon (3) is arranged at the top end of the installation box (1);
a sealing cover (4), wherein the sealing cover (4) is arranged on the installation box (1);
the fixing component is arranged at the top end of the sealing cover (4);
the limiting component is arranged on the outer side wall of the pylon (3);
a step-by-step seal assembly disposed within the mounting box (1);
and the circulating water supply assembly is arranged in the mounting box (1).
2. A plastic tubing pressure detection device according to claim 1, characterized in that the pylon (3) is provided with:
a first sealing gasket (5), wherein the first sealing gasket (5) is arranged at the top end of the pylon (3);
and the water writing paper (6) is arranged on the side wall of the column platform (3).
3. A plastic tubing pressure detection device according to claim 2, characterized in that the sealing cap (4) is provided with:
the glass partition plate (7) is provided with a limit slot on the sealing cover (4), and the glass partition plate (7) is slidably arranged on the limit slot of the sealing cover (4);
the handle (8) is arranged on the side wall of the glass partition plate (7);
the limiting baffle (9) is arranged on the side wall of the glass partition plate (7), and the limiting baffle (9) is positioned on the inner side of the sealing cover (4);
the bolt (10) is arranged on the side walls of the glass partition plate (7) and the mounting box (1).
4. A plastic tubing pressure sensing device as claimed in claim 3, wherein said securing assembly comprises:
the first air cylinder (11) is arranged at the top end of the sealing cover (4), and a telescopic rod of the first air cylinder (11) penetrates through the top wall of the sealing cover (4);
a first fixed disc (12), wherein the first fixed disc (12) is arranged on a telescopic rod of the first cylinder (11);
and the second sealing gasket (13) is arranged at the bottom end of the first fixed disc (12).
5. The plastic tubing pressure sensing device of claim 4, wherein said spacing assembly comprises:
a fixing ring (14), wherein the fixing ring (14) is arranged on the outer side wall of the pylon (3);
a second cylinder (15), the second cylinder (15) being arranged on the fixing ring (14);
and the friction block (16) is arranged on the telescopic rod of the second air cylinder (15).
6. The plastic tubing pressure sensing device of claim 5, wherein said step seal assembly comprises:
a third cylinder (17), wherein the third cylinder (17) is arranged in the installation box (1) and is closed, and a telescopic rod of the third cylinder (17) penetrates through the pylon (3) and the first sealing gasket (5);
the second fixed disc (18), the said second fixed disc (18) is set up on the telescopic link of the said third cylinder (17);
and the sealing sleeve (19), wherein the sealing sleeve (19) is arranged on the second fixed disc (18).
7. The plastic tubing pressure sensing device of claim 6, wherein said recirculating water supply assembly comprises:
a first water storage tank (20), wherein the first water storage tank (20) is arranged in the installation tank (1);
a first electric heating net (21), wherein the first electric heating net (21) is arranged in the first water storage tank (20);
a water pump (22), wherein the water pump (22) is arranged on the inner side wall of the sealing cover (4);
a first water inlet branch pipe (23), wherein the first water inlet branch pipe (23) is fixedly communicated with the first water storage tank (20) and the water pump (22);
a first water inlet valve (24), wherein the first water inlet valve (24) is arranged on the first water inlet branch pipe (23);
a water inlet main pipe (25), wherein the water inlet main pipe (25) is fixedly communicated with the water pump (22), and the water inlet main pipe (25) penetrates through the first fixed disc (12) and the second sealing gasket (13);
a water outlet manifold (26), wherein the water outlet manifold (26) penetrates through the first fixed disc (12) and the second sealing gasket (13);
a water outlet main valve (27), wherein the water outlet main valve (27) is arranged on the water outlet main pipe (26);
a first outlet branch (28), the first outlet branch (28) being fixedly connected to the outlet manifold (26) and the first reservoir (20);
a first outlet valve (29), the first outlet valve (29) being arranged on the first outlet branch pipe (28);
and a second water supply pipeline assembly arranged in the mounting box (1).
8. The plastic tubing pressure sensing device of claim 7, wherein said second water supply line assembly comprises:
a second water storage tank (30), wherein the second water storage tank (30) is arranged in the installation tank (1);
a second electric heating net (31), wherein the second electric heating net (31) is arranged in the second water storage tank (30);
a second water inlet branch pipe (32), wherein the second water inlet branch pipe (32) is fixedly communicated with the second water storage tank (30) and the water pump (22);
a second water inlet valve (33), wherein the second water inlet valve (33) is arranged on the second water inlet branch pipe (32);
a second outlet branch (34), the second outlet branch (34) being fixedly connected to the outlet manifold (26) and the second reservoir (30);
and the second water outlet valve (35) is arranged on the second water outlet branch pipe (34).
9. A method of using the plastic tubing pressure detection device of claim 8, comprising the steps of:
s1, firstly, vertically placing a plastic pipe to be detected on a column base (3), driving a glass partition plate (7) to move in a limit groove of a sealing cover (4) through a handle (8), closing the glass partition plate (7), and then operating a bolt (10) to limit the position of the glass partition plate (7);
s2, after the glass partition plate (7) is closed, a second air cylinder (15) is started, a friction block (16) is driven to move towards the center position of the pylon (3) through a telescopic rod of the second air cylinder (15), the friction block (16) contacts the outer side wall of the plastic pipe in the middle of movement, the plastic pipe is further driven to move towards the center position of the pylon (3), finally the plastic pipe is fixed at the center position of the pylon (3), then a first air cylinder (11) is started, a first fixing disc (12) is propped against the top end of the plastic pipe, and the inside of the plastic pipe is in a sealed state through a first sealing gasket (5) and a second sealing gasket (13);
s3, when pressure detection is started, a first water inlet valve (24), a water outlet main valve (27) and a first water outlet valve (29) are opened, then a water pump (22) is started, water in the first water storage tank (20) is slowly injected into the plastic pipe, air in the plastic pipe is discharged into the first water storage tank (20) until the plastic pipe is filled with water, after all the air in the plastic pipe is discharged into the first water storage tank (20), the water pump (22) is stopped, and the first water inlet valve (24), the water outlet main valve (27) and the first water outlet valve (29) are closed, so that water tightness detection is carried out on the plastic pipe;
s4, after the plastic pipe passes the water tightness detection, opening a first water inlet valve (24), starting a water pump (22) to slowly pressurize the plastic pipe, controlling the pressure in the plastic pipe in real time through a pressure sensing probe (36), closing the first water inlet valve (24) when the pressure in the plastic pipe reaches the standard use range, stopping the water pump (22), standing for 15min to check whether water leakage occurs, after the plastic pipe passes the whole pressure detection, opening a water outlet main valve (27) and a first water outlet valve (29), starting a third air cylinder (17), enabling a second fixed disk (18) to rise in the plastic pipe, enabling water in the plastic pipe to flow into a first water storage tank (20) through a water outlet main pipe (26) and a first water outlet branch pipe (28), always enabling the pressure of the plastic pipe to be in the standard use range in the process of rising of the second fixed disk (18), closing the water outlet main valve (27) and the first water outlet valve (29), stopping the third air cylinder (17), standing until the water leakage occurs, and repeatedly checking whether the water leakage occurs in the plastic pipe (20) when the water tank (17) is completely detected, and the water leakage is not completely occurs in the first air cylinder (17), when all water in the plastic pipe is discharged into the first water storage tank (20), the water outlet main valve (27) and the first water outlet valve (29) are in an open state, the third air cylinder (17) is started, the second fixed disc (18) is enabled to move downwards in the plastic pipe, air discharged into the first water storage tank (20) from the plastic pipe is enabled to return into the plastic pipe again, and the water outlet main valve (27) and the first water outlet valve (29) are closed at the moment;
s5, when the first water storage tank (20) is used for pressure detection, the second electric heating net (31) is started to heat water in the second water storage tank (30), after the first water storage tank (20) is used for pressure detection, the temperature of the water in the second water storage tank (30) is just in a detection range, at the moment, the operations of S3 and S4 are carried out again through the second water storage tank (30), and pressure detection of different water temperatures is carried out on plastic pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311125672.0A CN117168958A (en) | 2023-09-02 | 2023-09-02 | Plastic pipe pressure detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311125672.0A CN117168958A (en) | 2023-09-02 | 2023-09-02 | Plastic pipe pressure detection device and detection method |
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| Publication Number | Publication Date |
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| CN117168958A true CN117168958A (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311125672.0A Pending CN117168958A (en) | 2023-09-02 | 2023-09-02 | Plastic pipe pressure detection device and detection method |
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| CN (1) | CN117168958A (en) |
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