CN111664988A - Water pipe pressure online detection method - Google Patents
Water pipe pressure online detection method Download PDFInfo
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- CN111664988A CN111664988A CN202010568053.9A CN202010568053A CN111664988A CN 111664988 A CN111664988 A CN 111664988A CN 202010568053 A CN202010568053 A CN 202010568053A CN 111664988 A CN111664988 A CN 111664988A
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- water pipe
- pressure
- operating rod
- sealing
- sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to a water pipe pressure online detection method. The method comprises the following steps: a detection port is formed in the detection position of the water pipe, and a plug is arranged on the detection port in a threaded manner; fixing a water pipe pressure online detection device on a water pipe, wherein the sleeve is required to be matched with the plug when the water pipe pressure online detection device is fixed; connecting a pressure sensor with a connecting pipe, rotating an operating rod, unscrewing a screwed plug from a water pipe, enabling the operating rod to move upwards under the action of water pressure, and enabling a conical convex edge on the operating rod to be in sealing fit with a conical groove; recording the pressure of the water pipe after the reading of the pressure sensor is stable; and rotating the operating rod to install the plug on the water pipe, and detaching the water pipe pressure online detection device. The invention has simple operation, the operating rod is matched with the upper body in a sealing way, the pressure in the inner cavity is equal to the pressure in the water pipe, and the detection precision is higher. The water pipe pressure on-line detection device provided by the invention has the advantages that the sealing performance of the inner cavity is enhanced by arranging the sealing sleeve and the pressing sleeve, and the detection precision of the water pipe pressure on-line detection device is improved.
Description
Technical Field
The invention belongs to the technical field of pipeline pressure detection, and particularly relates to an online detection method for water pipe pressure.
Background
With the rapid development of urbanization, tap water has entered every family and becomes an indispensable part of people's daily life. The water supply pressure detection of the water supply pipeline is a key technical measure for scientifically controlling the balance and safety of tap water supply pressure.
When current water pipe pressure testing, generally adopt to increase monitoring devices's mode in the water pipe and monitor, need decide whole water pipe and increase monitoring devices, great to the damage of water pipe, equipment breaks down moreover, and it is also inconvenient to change.
For this reason, chinese utility model patent that the publication number is CN205449374U discloses a device for monitoring water pressure in the water pipe, this device for monitoring water pressure in the water pipe is including setting up the rivers pressure monitoring device on the water pipe, still including setting up the mount in the casing, set up piezoelectric sensor and displacement transmission pole on the mount, in the one end of displacement transmission pole goes deep into the water pipe, the other end is arranged in rivers pressure monitoring device's the casing in and is contacted with piezoelectric sensor's pressure-sensitive surface, rivers pressure monitoring device's the casing outside is provided with the fixed band. However, when the device is used, the displacement transmission rod needs to be inserted into the water pipe, and holes need to be formed in the water pipe, so that the operation is complicated; and the tightness between the displacement transmission rod and the water pipe is difficult to ensure, so that the pressure of the detection position of the water pipe is lower than an actual value, and the detection precision is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides an online detection method for water pipe pressure, which aims to solve the technical problems of complex operation and low detection precision of the existing water pipe pressure detection.
The technical scheme of the water pipe pressure on-line detection method of the invention is as follows:
an online detection method for water pipe pressure comprises the following steps:
a detection port is formed in the detection position of the water pipe, and a plug is installed on the detection port in a threaded mode;
the on-line water pipe pressure detection device is fixed on a water pipe and comprises an upper body, a lower body, an operating rod, a sealing cylinder and a sleeve, wherein an upper clamping groove is formed in the lower side surface of the upper body, an upper clamping groove is formed in the upper side surface of the lower body, the upper clamping groove and the lower clamping groove are buckled to form a clamping hole in sealing fit with the water pipe, the upper body is provided with an inner cavity communicated with the clamping hole, the operating rod is assembled on the upper body in a guiding mode, the lower end of the operating rod extends into the inner cavity, the sleeve is connected to one end, located in the inner cavity, of the operating rod and used for being matched with a plug, a connecting pipe communicated with the inner cavity and used for being connected with a pressure sensor is arranged on the upper body, a conical convex edge is arranged on the operating rod located in the inner cavity, and a conical groove in sealing fit with the convex edge; when the water pipe pressure online detection device is fixed, the sleeve is required to be matched with the plug;
connecting a pressure sensor with a connecting pipe, rotating an operating rod, unscrewing a screwed plug from a water pipe, enabling the operating rod to move upwards under the action of water pressure, and enabling a conical convex edge on the operating rod to be in sealing fit with a conical groove;
recording the pressure of the water pipe after the reading of the pressure sensor is stable;
and rotating the operating rod to install the plug on the water pipe, and detaching the water pipe pressure online detection device.
As a further improvement to the technical scheme, a sealing sleeve sleeved on the operating rod is arranged on the upper side of the upper body, and a pressing sleeve used for pressing the sealing sleeve is sleeved on the sealing sleeve.
As a further improvement to the technical scheme, an upper connecting lug is arranged on the lower side face of the upper body, a lower connecting lug matched with the upper connecting lug is arranged on the upper side face of the lower body, when the water pipe pressure online detection device is fixed on a water pipe, the lower body is clamped on the lower side of the water pipe, then the upper body is clamped on the upper side of the water pipe, and the upper connecting lug is tightly attached to the lower connecting lug and fixedly connected with the lower connecting lug through a bolt.
As a further improvement to the technical scheme, the two ends of the upper clamping groove of the upper body and the two ends of the lower clamping groove of the lower body are respectively provided with a sealing gasket, and when the water pipe pressure online detection device is fixed on a water pipe, the sealing gaskets are in sealing fit with the water pipe.
The invention provides a water pipe pressure online detection method, which has the beneficial effects that compared with the prior art:
when the online water pipe pressure detection method is used for detecting the water pipe pressure online, the upper body is buckled on the upper side of the water pipe, the sleeve at the lower end of the operating rod is matched with the plug, then the lower body is buckled on the lower side of the water pipe, and the upper body and the lower body are fixed through bolts. Be connected with pressure sensor through the connecting pipe, rotate the action bars, pull down the plug, the water in the water pipe gets into the inner chamber of supreme body to get into to pressure sensor department through the connecting pipe. The operating rod moves upwards under the pushing of water, the conical convex edge on the operating rod is in sealing fit with the conical groove in the upper body, and the pressure in the water pipe is measured after the pressure is stabilized through reading. Then, the operating rod is rotated to install the plug on the water pipe, and the upper body and the lower body are detached. Compared with the prior art, the online detection method for the water pipe pressure is simple to operate, the operating rod is in sealing fit with the upper body, the pressure in the inner cavity is equal to the pressure in the water pipe, and the detection precision is higher.
The water pipe pressure on-line detection device in the water pipe pressure on-line detection method enhances the sealing property of the inner cavity by arranging the sealing sleeve and the pressing sleeve, and is beneficial to improving the detection precision of the water pipe pressure on-line detection device.
Drawings
FIG. 1 is a first schematic structural diagram of an online water pipe pressure detection device according to the present invention;
FIG. 2 is a schematic structural diagram II of the water pipe pressure on-line detection device of the present invention;
FIG. 3 is a schematic view of the internal structure of the online detection device for water pipe pressure in the present invention;
FIG. 4 is a schematic view of the internal structure of the on-line water pipe pressure detecting device of the present invention after being engaged with a water pipe;
in the figure: 1. an upper body; 2. a lower body; 3. an upper clamping groove; 4. a lower clamping groove; 5. a gasket; 6. a bolt; 7. an inner cavity; 8. a tapered groove; 9. a seal ring; 10. a connecting pipe; 11. an operating lever; 12. a sleeve; 13. a conical convex edge; 14. sealing sleeves; 15. a sleeve body; 16. a gland; 17. a water pipe; 18. and (5) plugging with a thread.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The specific embodiment of the water pipe pressure online detection method comprises the following steps:
a detection port is formed in the detection position of the water pipe, and a plug 18 is installed on the detection port in a threaded manner;
fixing the water pipe pressure online detection device on the water pipe, wherein the sleeve 12 is matched with the plug 18 when the water pipe pressure online detection device is fixed;
connecting a pressure sensor with a connecting pipe 10, rotating an operating rod 11, unscrewing a plug 18 from a water pipe, enabling the operating rod 11 to move upwards under the action of water pressure, and enabling a conical convex edge 13 on the operating rod 11 to be in sealing fit with a conical groove 8;
recording the pressure of the water pipe after the reading of the pressure sensor is stable;
the operating rod 11 is rotated to install the plug 18 on the water pipe, and the water pipe pressure on-line detection device is detached.
Specifically, as shown in fig. 1 to 4, the online detection device for water pipe pressure comprises an upper body 1, a lower body 2, an operating rod 11, a sealing sleeve 14, a pressing sleeve and a sleeve 12.
Wherein, go up body 1 and be the structure of several fonts, the last body 1 of several fonts includes integrated into one piece's middle part and the last engaging lug of middle part both sides. The middle part is provided with semicircular upper clamping grooves 3 which penetrate through the front side and the rear side and have downward openings, and the two upper connecting lugs are respectively provided with threaded holes for bolts 6 to penetrate through. The middle part is provided with an inner cavity 7 communicated with the upper clamping groove 3, and in the embodiment, the inner cavity 7 is a rectangular cavity. The side wall of the middle part is provided with a communication hole communicated with the inner cavity 7, and the end part of the communication hole is welded and fixed with a connecting pipe 10. The connection pipe 10 is connected to the pressure sensor through a hose. The upper end of the middle part is provided with a through hole which is communicated with the inner cavity 7 and is used for inserting the operating rod 11 into the upper clamping groove 3.
In this embodiment, the lower end of the operating rod 11 extends into the inner cavity 7. The sleeve 12 is welded and fixed at the lower end of the operating rod 11, and the lower end of the sleeve 12 is also provided with a square hole matched with the screw plug 18. The part operatively located in the inner cavity 7 has a conical lip 13, the upper end of the conical lip 13 having a smaller diameter than the lower end. The inner cavity 7 of the upper body 1 is provided with a conical groove 8 which is coaxial with the operating rod 11 and is matched with the conical convex edge 13 at the outer side of the operating rod 11. In order to enhance the sealing performance between the tapered protruding edge 13 and the tapered groove 8, a seal ring 9 is bonded in the tapered groove 8.
In this embodiment, the sealing sleeve 14 is sleeved on the operating rod 11 located on the upper side of the upper body 1, the pressing sleeve comprises a sleeve body 15 sleeved on the outer side of the sealing sleeve 14, and the lower end of the sleeve body 15 is provided with a connecting edge fixedly connected with the upper body 1 through a bolt. The pressing sleeve further comprises a pressing cover 16 which is sleeved on the operating rod 11 and fixedly connected with the sleeve 12 through bolts.
In this embodiment, the lower body 2 is also in a zigzag structure, and the zigzag lower body 2 includes an integrally formed middle portion and lower engaging lugs on both sides of the middle portion. The middle part is provided with a semicircular lower clamping groove 4 which penetrates through the front side and the rear side, and the two lower connecting lugs are respectively provided with a threaded hole for the penetration of a bolt 6. When the lower body 2 is buckled with the upper body 1, the upper clamping groove 3 and the lower clamping groove 4 form a clamping hole for clamping a water pipe. In order to enhance the sealing performance between the upper body 1 and the lower body 2 and the water pipe 17, semicircular sealing gaskets 5 are respectively installed at two ends of the upper clamping groove 3 of the upper body 1, and semicircular sealing gaskets 5 are also installed at two ends of the lower clamping groove 4 of the lower body 2.
When the online water pipe pressure detection method is used for detecting the water pipe pressure online, the upper body 1 is buckled on the upper side of the water pipe, and in the process, a tool such as a wrench is used for rotating the operating rod 11, so that the sleeve 12 at the lower end of the operating rod 11 is sleeved on the plug 18. Then, the lower body 2 is fastened to the lower side of the water pipe, and the upper body 1 and the lower body 2 are fixed by the bolts 6. The upper body 1 and the lower body 2 are in sealing fit with the water pipe and then are connected with the pressure sensor through the connecting pipe 10. The operating rod 11 is rotated by a tool such as a wrench, the plug 18 is removed, and water in the water pipe enters the inner cavity 7 of the upper body 1 and enters the pressure sensor through the connecting pipe 10. The operating rod 11 moves upwards under the pushing of water, the conical convex edge 13 on the operating rod 11 is in sealing fit with the conical groove 8 in the upper body 1, and the pressure in the water pipe is measured after the pressure is stabilized through reading. Then, the operating rod 11 is rotated in the reverse direction by using an operating tool such as a wrench, the plug 18 is installed on the water pipe, and finally the upper body 1 and the lower body 2 are disassembled.
The invention provides an online detection method for water pipe pressure, which has the following advantages compared with the prior art: the online detection method for the water pipe pressure is simple to operate, the operating rod 11 is in sealing fit with the upper body 1, the pressure in the inner cavity 7 is equal to the pressure in the water pipe, and the detection precision is higher.
The water pipe pressure on-line detection device in the water pipe pressure on-line detection method enhances the sealing property of the inner cavity 7 by arranging the sealing sleeve 14 and the pressing sleeve, and is beneficial to improving the detection precision of the invention.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (4)
1. The online detection method for the pressure of the water pipe is characterized by comprising the following steps of:
a detection port is formed in the detection position of the water pipe, and a plug is installed on the detection port in a threaded mode;
the on-line water pipe pressure detection device is fixed on a water pipe and comprises an upper body, a lower body, an operating rod, a sealing cylinder and a sleeve, wherein an upper clamping groove is formed in the lower side surface of the upper body, an upper clamping groove is formed in the upper side surface of the lower body, the upper clamping groove and the lower clamping groove are buckled to form a clamping hole in sealing fit with the water pipe, the upper body is provided with an inner cavity communicated with the clamping hole, the operating rod is assembled on the upper body in a guiding mode, the lower end of the operating rod extends into the inner cavity, the sleeve is connected to one end, located in the inner cavity, of the operating rod and used for being matched with a plug, a connecting pipe communicated with the inner cavity and used for being connected with a pressure sensor is arranged on the upper body, a conical convex edge is arranged on the operating rod located in the inner cavity, and a conical groove in sealing fit with the convex edge; when the water pipe pressure online detection device is fixed, the sleeve is required to be matched with the plug;
connecting a pressure sensor with a connecting pipe, rotating an operating rod, unscrewing a screwed plug from a water pipe, enabling the operating rod to move upwards under the action of water pressure, and enabling a conical convex edge on the operating rod to be in sealing fit with a conical groove;
recording the pressure of the water pipe after the reading of the pressure sensor is stable;
and rotating the operating rod to install the plug on the water pipe, and detaching the water pipe pressure online detection device.
2. The online detection method for the pressure of the water pipe according to claim 1, wherein a sealing sleeve sleeved on the operating rod is arranged on the upper side of the upper body, and a pressing sleeve for pressing the sealing sleeve is sleeved on the sealing sleeve.
3. The water pipe pressure on-line detection method according to claim 2, wherein an upper engaging lug is arranged on the lower side surface of the upper body, a lower engaging lug matched with the upper engaging lug is arranged on the upper side surface of the lower body, when the water pipe pressure on-line detection device is fixed on a water pipe, the lower body is firstly clamped on the lower side of the water pipe, then the upper body is clamped on the upper side of the water pipe, and the upper engaging lug is tightly attached to the lower engaging lug and fixedly connected with the lower engaging lug through a bolt.
4. The on-line water pipe pressure detection method according to claim 3, wherein sealing gaskets are respectively arranged at two ends of the upper clamping groove of the upper body and two ends of the lower clamping groove of the lower body, and the sealing gaskets are in sealing fit with the water pipe when the on-line water pipe pressure detection device is fixed on the water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010568053.9A CN111664988A (en) | 2020-06-19 | 2020-06-19 | Water pipe pressure online detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010568053.9A CN111664988A (en) | 2020-06-19 | 2020-06-19 | Water pipe pressure online detection method |
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| CN111664988A true CN111664988A (en) | 2020-09-15 |
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| CN202010568053.9A Pending CN111664988A (en) | 2020-06-19 | 2020-06-19 | Water pipe pressure online detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213023A (en) * | 2020-11-04 | 2021-01-12 | 山东省农业科学院作物研究所 | Water pressure monitoring device and method for drip irrigation belt |
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Application publication date: 20200915 |
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