CN116519200A - Water pressure measuring device for water supply pipeline experiments - Google Patents
Water pressure measuring device for water supply pipeline experiments Download PDFInfo
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- CN116519200A CN116519200A CN202310468083.6A CN202310468083A CN116519200A CN 116519200 A CN116519200 A CN 116519200A CN 202310468083 A CN202310468083 A CN 202310468083A CN 116519200 A CN116519200 A CN 116519200A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 167
- 238000002474 experimental method Methods 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 96
- 238000010079 rubber tapping Methods 0.000 claims abstract description 65
- 238000005553 drilling Methods 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 47
- 238000003466 welding Methods 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 229920001973 fluoroelastomer Polymers 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 15
- 238000009530 blood pressure measurement Methods 0.000 abstract description 10
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
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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
-
- 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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0672—Leakage or rupture protection or detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a water pressure measuring device for water supply pipeline experiments, which comprises an outer cylinder body, an inner cylinder body, an air cylinder, a tapping driving assembly, a sealing fixing assembly, a pressure gauge and a mounting assembly, wherein the inner cylinder body is pushed into the outer cylinder body through the air cylinder, the tapping driving assembly moves forwards along with the inner cylinder body to contact with the sealing fixing assembly, during detection, the sealing fixing assembly is arranged in the outer cylinder body on the water supply pipeline, the water supply pipeline is perforated, after detection, the perforated is plugged and fixed, the outer cylinder body is fixed on the water supply pipeline through the mounting assembly, and the pressure gauge is fixedly arranged on the outer cylinder body. The device can be conveniently and tightly held for installation, drilling, drainage, pressure measurement and other steps can be automatically carried out after the device is installed, related experimenters do not need to manually operate, the technical requirements on the related experimenters are greatly reduced, and after the water pressure measurement is completed, the drilling can be automatically plugged and sealed, so that the device can be detached and reused, and multiple groups of experimental measurement data can be acquired.
Description
Technical Field
The utility model relates to the technical field of water supply pipeline detection, in particular to a water pressure measuring device for water supply pipeline experiments.
Background
After the water supply pipeline is installed, the pipeline system is subjected to pressure experiments according to design requirements, and the pressure experiments can be divided into strength experiments for checking mechanical properties of the pipeline, tightness experiments for checking connection quality of the pipeline, vacuum experiments for checking vacuum maintenance performance of the pipeline system, leakage experiments based on fire safety consideration and the like according to the purposes of the experiments. Most water supply pipelines only perform strength experiments and tightness experiments, and the strength experiments and tightness experiments of the pipeline system generally adopt water pressure experiments.
The pressure detection of the water supply pipeline is related to the installation quality of tap water, is an effective means for detecting the installation quality of tap water, has specific standard requirements, and the main standard is related requirements and standards in the current construction quality acceptance Specification for Water supply and drainage and heating engineering of buildings GB 50242-2002.
The pressure detection of the existing water supply pipeline is usually realized by arranging a pressure sensor in a pressure guiding pipe communicated with the water supply pipeline and detecting the water pressure in the pressure guiding pipe through the pressure sensor. For example, chinese patent publication No. CN209559394U discloses a pressure detecting device for a water supply pipe, comprising a connection pipe for communicating with the water supply pipe, a pressure detecting element for detecting the water pressure in the connection pipe, and a pressure guiding joint for installing the pressure detecting element in the connection pipe, one end of the pressure guiding joint being supported on an outer side wall of the connection pipe, the other end of the pressure guiding joint being inserted into a through hole of the connection pipe and extending into the connection pipe, the pressure detecting element being installed in the pressure guiding joint. According to the utility model, the connecting pipe is arranged, the pressure leading joint is arranged on the connecting pipe, and the pressure detecting element is arranged in the pressure leading joint, so that the pressure detecting element can measure the water pressure in the connecting pipe; when the water supply device is used, the connecting pipe is connected with the water supply pipeline, so that water in the connecting pipe can be in a flowing state, static icing of the water in the connecting pipe is avoided, and the water pressure in the water supply pipeline can be accurately measured under the cold climate environment conditions in the northern alpine region or in winter.
However, the installation of the pressure guiding pipe needs to be subjected to various steps such as hole opening, welding, assembling a detection instrument, drainage and the like, so that the technical requirements on related experimental staff are high, the operation is time-consuming and labor-consuming, and multiple groups of experiments cannot be rapidly performed to obtain multiple groups of comparison data so as to accurately calculate the experimental data; in the actual detection process, the connecting pipe is required to be connected with the water supply pipeline, the connecting pipe is only suitable for the water supply pipeline which is mutually matched and connected with the connecting pipe, the connecting pipe cannot be suitable for pipelines with any pipe diameter, and the running water switch is required to be disconnected, opened and disconnected before detection, during detection and after completion, so that the operation is complex, and time and labor are wasted.
Therefore, the utility model provides a water pressure measuring device for water supply pipeline experiments aiming at the technical problems.
Disclosure of Invention
First, the technical problem to be solved
In view of the above-mentioned shortcomings and disadvantages of the prior art, the present utility model provides a water pressure measuring device for water supply pipeline experiments, which solves the technical problems that the water pressure measurement has high requirements for relevant experimenters, and the operation is time-consuming and labor-consuming.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
the utility model provides a water pressure measuring device for water supply pipeline experiments, it includes outer barrel, interior barrel, cylinder, attack and bore drive assembly, sealed fixed subassembly, manometer and installation component, wherein, the one end of outer barrel is established as the opening, installs the open end and fixes on the water supply pipeline that awaits measuring through installation component, and installation component is fixed to be established on outer barrel; an inner cylinder is sleeved at the other end of the outer cylinder, an air cylinder is arranged between the outer cylinder and the inner cylinder, and the inner cylinder is pushed into the outer cylinder through the air cylinder; the tapping driving assembly is fixedly arranged at the outer end part of the inner cylinder body and is used for driving the sealing and fixing assembly along with the pushing of the inner cylinder body; the sealing and fixing assembly is a replaceable assembly and is arranged in the outer cylinder body, the sealing and fixing assembly is used for perforating a water supply pipeline to be detected, after detection is completed, the perforating of the water supply pipeline to be detected is plugged and fixed, the pressure gauge is fixedly arranged on the outer cylinder body, and the pressure gauge is communicated and used for detecting the water pressure in a sealed cavity formed by the outer cylinder body, the inner cylinder body and the pipeline to be detected.
According to the water pressure measuring device for water supply pipeline experiments, preferably, the sealing and fixing assembly comprises the sealing plate, the tapping and drilling shaft, the positioning column and the rubber pad, wherein the tapping and drilling shaft is fixedly connected with the sealing plate to form a T-shaped structure, spiral threads are arranged at the front end and the periphery of the tapping and drilling shaft and used for forming holes, the front end of the tapping and drilling shaft is provided with a guide hole, the front end opening of the guide hole is arranged at the front end of the tapping and drilling shaft, and the tail end opening of the guide hole is arranged on the side wall of the tapping and drilling shaft; the rubber pad is bigger with the sealing plate, and can with sealing plate tight laminating, the opposite side of rubber pad is convex and awaits measuring the pipeline adaptation, and can with the surface of awaiting measuring the pipeline closely laminating, be equipped with the locating hole with the reference column adaptation on the rubber pad, the fixed welding piece that is equipped with in top of reference column, the degree of depth of locating hole is high Yu Dingwei post and the height of welding piece, the rubber pad receives sealing plate extrusion and can take place deformation, sealing plate and welding piece contact, melt and sealing plate welded fastening after the welding piece circular telegram, the distance of the "T" open-ended position of water conservancy diversion hole from sealing plate is greater than the thickness of awaiting measuring the pipeline and the sum of rubber pad thickness, the axial length of water conservancy diversion hole along attacking the drill shaft is greater than the thickness of awaiting measuring the pipeline and the sum of rubber pad thickness.
In the water pressure measuring device for water supply pipeline experiment, preferably, the rubber pad is provided with four or more groups of positioning holes and is symmetrically arranged at the center of the tapping and drilling shaft on the corresponding sealing plate; the diversion holes are arranged into an inverted T-shaped structure; the welding block is also fixedly connected with a conductive sheet, and after the power is on, the welding block is melted and can be tightly combined with the sealing plate.
As described above, the water pressure measuring device for water supply pipeline experiments is preferably provided with the tapping drive assembly, the drive motor, the positioning insert block and the rotating shaft, the drive motor is fixedly connected with the outer end of the inner cylinder body, the axis of the central shaft of the drive motor coincides with the central axis of the inner cylinder body, the ball bearing is fixedly arranged on one side of the inner cylinder body, one end of the rotating shaft penetrates through the ball bearing and is fixedly connected with the output shaft of the drive motor, the other end of the rotating shaft is fixedly connected with the positioning insert block, and the positioning insert block can be in fit and clamping connection with the positioning slot formed in the sealing plate.
In the water pressure measuring device for water supply pipeline experiments, preferably, the positioning plug is a magnetic metal plate, and the driving motor is a 110/130 three-phase stepping motor.
As described above, preferably, the installation component comprises a fixing seat, a threaded rod, a nut and a holding plate, the fixing seat is fixedly arranged on the outer cylinder body, the threaded rod is connected with the fixing seat, the holding plate consists of two vertical metal plates and an arc-shaped metal plate, the arc-shaped part is used for being matched with the surface of the water supply pipeline to be tested, the two vertical metal plates are provided with through holes which are matched and tensioned with the threaded rod, and the nut is used for fastening the holding plate to be connected with the threaded rod.
As described above, the water pressure measuring device for water supply pipeline experiments is preferably provided with the fixing seat on the outer cylinder, the cylinder is fixedly connected with the fixing seat, the inner cylinder is fixedly provided with the connecting plate, the telescopic end of the cylinder is fixedly connected with the connecting plate, the cylinder is provided with two groups, the corresponding fixing seat and the connecting plate are provided with two groups, and the two groups of fixing seats are symmetrically arranged about the horizontal central line of the outer cylinder.
In the water pressure measuring device for water supply pipeline experiments as described above, preferably, the open end of the outer cylinder is provided with a gasket mutually adapted to the water supply pipeline to be measured.
According to the water pressure measuring device for the water supply pipeline experiment, preferably, the sealing assembly is further arranged between the outer cylinder body and the inner cylinder body, the sealing assembly is annular, the inner ring surface of the sealing assembly is clung to the outer wall of the inner cylinder body, the outer ring surface of the sealing assembly is clung to the inner wall of the outer cylinder body, and the tightness of the inner cylinder body during telescopic movement of the outer cylinder body can be ensured.
The water pressure measuring device for water supply pipe experiments as described above is preferably made of nitrile rubber, blue polyurethane or fluororubber as a material of the sealing member or gasket.
(III) beneficial effects
The beneficial effects of the utility model are as follows:
according to the water pressure measuring device for the water supply pipeline experiment, the portable enclasping installation is adopted, so that the steps of drilling, drainage, pressure measurement and the like can be automatically carried out after the installation, the manual operation of related experimenters is not needed, the technical requirements on the related experimenters are greatly reduced, the drilling can be automatically plugged and sealed after the water pressure measurement is finished, and only the sealing and fixing assembly is needed to be replaced, so that the device can be detached and reused, multiple groups of experimental measurement data can be conveniently obtained, the device is suitable for the water supply pipelines with multiple pipe diameters, and the water pressure measuring device has broad-spectrum practicability.
Drawings
FIG. 1 is a schematic view showing a preferred structure of a water pressure measuring apparatus for water supply pipeline experiments according to the present utility model;
FIG. 2 is an exploded view of the experimental water pressure measuring device of the water supply pipe of FIG. 1;
FIG. 3 is a state diagram of a tapping shaft when the water pressure measuring device for water supply pipeline experiments is used for measuring;
FIG. 4 is an enlarged view of the water pressure measuring device for water supply pipeline experiments of the present utility model at A in FIG. 3
FIG. 5 is a state diagram of a water pressure measuring device for water supply pipeline experiments after the water pressure measuring device is used for water supply pipeline experiments and a drill shaft is tapped to seal a pipeline after the water pressure measuring device is used for water supply pipeline experiments;
FIG. 6 is a schematic front cross-sectional view of a preferred feed mechanism of the experimental water pressure measuring device for water supply pipelines of the present utility model;
FIG. 7 is an exploded view of a cross section of the water supply pipe experimental water pressure measuring apparatus of the present utility model.
[ reference numerals description ]
1: an outer cylinder;
2: an inner cylinder;
3: a cylinder;
4: tapping and drilling driving components;
41: a driving motor;
42: positioning the insert block;
5: a water supply pipe to be measured;
6: a fixing seat;
7: a threaded rod;
8: a nut;
9: a clasping plate;
10: a pressure gauge;
11: sealing plate;
12: positioning columns;
13: a rubber pad;
14: tapping a drilling shaft;
15: a deflector aperture;
16: positioning the slot;
17. a rotating shaft;
18: positioning holes;
19: welding blocks;
20: a connecting plate;
21: a seal assembly;
22: a through hole;
23: and a sealing gasket.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings. Where the term "comprises" or its derivatives such as "comprising" or "including" and the like are to be construed as including the stated element or component without excluding other elements or other components.
The device comprises an outer cylinder body, an inner cylinder body, a cylinder, a tapping driving assembly, a sealing fixing assembly, a pressure gauge and a mounting assembly, wherein the inner cylinder body is pushed into the outer cylinder body through the cylinder, the tapping driving assembly is arranged at the end part of the inner cylinder body, the tapping driving assembly moves forwards along with the inner cylinder body to be used for contacting the sealing fixing assembly, the sealing fixing assembly is fixedly arranged on a water supply pipeline firstly during detection, the water supply pipeline is perforated by the inner cylinder body, the perforated is plugged and fixed after detection is completed, the outer cylinder body is fixedly arranged on the water supply pipeline through the mounting assembly, and the pressure gauge is fixedly arranged on the outer cylinder body and is used for measuring the pressure inside the outer cylinder body. The portable enclasping installation is adopted, and through the sealed fixed subassembly of design, steps such as drilling, drainage, pressure measurement can be carried out automatically after the installation, need not relevant experimenter manual operation, greatly reduced to relevant experimenter's technical requirement to after the water pressure measurement is accomplished, can carry out shutoff seal to the drilling voluntarily, make the device can dismantle used repeatedly, so that obtain multiunit experiment measurement data. The device can automatically perform the steps of drilling, drainage, pressure measurement and the like, and well replaces the manual operation of related personnel in the prior art. .
In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
Example 1
The water pressure measuring device for water supply pipeline experiments comprises an outer cylinder body 1, an inner cylinder body 2, a cylinder 3, a tapping driving assembly 4, a sealing fixing assembly, a pressure gauge and a mounting assembly, wherein the main body of the device is the outer cylinder body 1 and the inner cylinder body 2 which is used for being sleeved in the inner cylinder body, one end of the outer cylinder body 1 is provided with an opening, the section of the opening is matched with the surface of a water supply pipeline 5 to be tested, and the opening can be clamped on the surface of the pipeline to be tested; an inner cylinder body 2 is sleeved in the other end of the outer cylinder body 1, one side of an opening end of the outer cylinder body 1 is provided with a mounting assembly, the mounting assembly comprises a fixing seat 6, a threaded rod 7, a nut 8 and a holding plate 9, the opening end of the outer cylinder body 1 is fixedly arranged on a water supply pipeline to be detected through the mounting assembly, an air cylinder 3 is arranged between the outer cylinder body 1 and the inner cylinder body 2, the inner cylinder body 2 is pushed towards the inside of the outer cylinder body 1 through the action of the air cylinder 3, a tapping driving assembly is fixedly arranged at the outer end part of the inner cylinder body 2, the tapping driving assembly is used for driving a sealing fixing assembly, the sealing fixing assembly is a replaceable assembly and is arranged in the outer cylinder body, the sealing fixing assembly is used for perforating the water supply pipeline 5 to be detected, and after detection is completed, the water supply pipeline to be detected is blocked and fixed; the pressure gauge 10 is fixedly arranged on the outer cylinder, and the pressure gauge 10 is communicated and used for detecting the pressure in the sealed cavity formed by the inner cylinder, the outer cylinder and the water supply pipeline 5 to be tested.
Specifically, as shown in fig. 3, the sealing and fixing assembly comprises a sealing plate 11, a positioning column 12, a rubber pad 13 and a tapping and drilling shaft 14, wherein the tapping and drilling shaft 14 and the sealing plate 11 are fixedly connected to form a T-shaped structure, the tail end of the tapping and drilling shaft 14 is fixedly arranged on one side of the sealing plate 11, self-tapping spiral threads are arranged on the periphery of the tapping and drilling shaft 14, an inverted T-shaped diversion hole 15 is formed in the front end of the tapping and drilling shaft, the distance between the T-shaped opening of the diversion hole 15 and the sealing plate is greater than the sum of the thickness of a pipeline to be tested and the thickness of the rubber pad 13, and the axial length of the diversion hole 15 along the tapping and drilling shaft 14 is greater than the sum of the thickness of the pipeline to be tested and the thickness of the rubber pad 13. The tapping shaft 14 is provided with self-tapping threads, and is capable of automatically drilling holes in a water supply pipe in a high-speed rotation state. The inside of attacking the drill shaft 14 is provided with the guiding hole 15, and the guiding hole 15 is "T" shape passageway, and after attacking the inside of water supply pipeline of one end of attacking the drill shaft 14, the guiding hole 15 can be with the inside water of water supply pipeline guide.
A positioning slot 16 is formed in the plate surface on the other side of the sealing plate 11, and the positioning slot 16 is in fit and clamping connection with a positioning insert block 42 on a rotating shaft 17 of the tapping and drilling driving assembly.
The sealing plate 11 and the rubber pad 13 have the same horizontal area and can be tightly attached to the rubber pad 13, and the other side of the rubber pad 13 is arc-shaped and is matched with a pipeline to be tested, so that the sealing plate can be tightly attached. As shown in fig. 4, the rubber pad 13 is provided with positioning holes 18 adapted to the positioning columns 12, the positioning holes 18 are provided with a plurality of positioning holes 18, the positioning holes 18 can be symmetrically arranged along the center points of the corresponding sealing plates 11 of the rubber pad 13, welding blocks 19 are fixedly arranged at the top ends of the positioning columns 12, and the depth of the positioning holes 18 is Yu Dingwei the height of the columns 12 and the welding blocks 19.
In detection, as shown in fig. 3, the positioning columns 12 are fixedly connected to the water supply pipeline 5 to be detected, the positioning columns 12 can be provided with four groups, the four groups of positioning columns 12 are symmetrically arranged along the center of the rubber gasket 13, when the rubber gasket 13 is assembled, the four groups of positioning holes 18 on the rubber gasket 13 are aligned with the four groups of positioning columns 18, and then the rubber gasket 13 is pressed, so that the positioning columns 12 are respectively inserted into the positioning holes 18 on the rubber gasket 13, and the rubber gasket 13 is positioned and supported by the four groups of positioning columns 12. One end of the rubber pad 13 is arc-shaped, and one arc-shaped surface of the rubber pad 13 is tightly attached to the surface of the water supply pipeline. The length of the positioning column 12 is smaller than the depth of the corresponding positioning hole 22, and in a natural state, the positioning column 12 and the welding block 19 are completely hidden in the positioning hole 22, but after the tapping shaft 14 is completely tapped into the water supply pipeline, as shown in fig. 5, one side of the sealing plate 11 is attached to and pressed against one side of the rubber pad 13, and the sealing plate 11 can just be in contact with the welding block 19.
The positioning column 12 is fixedly provided with a welding block 19, a central axis inside the positioning column 2 is fixedly provided with a conductive sheet, a pin for connecting an electric wire is arranged on the conductive sheet, the pin part penetrates through the outside of the positioning column, the conductive sheet can be powered through the connecting electric wire, not shown in the figure, the conductive sheet is fixedly connected with the welding block 19, and the conductive sheet is used for electrifying the welding block 19, and after electrifying, the welding block 19 can be melted.
When the tapping and drilling shaft 14 is in operation, only the water supply pipeline is partially tapped, one end of the tapping and drilling shaft needs to be ensured to enter the water supply pipeline, but the other two outlets of the T-shaped channel need to be controlled to be positioned in the outer cylinder 1, so that water in the water supply pipeline can be smoothly led out to the inner part of the outer cylinder 1. After the test is completed, under the cooperation of the feeding mechanism and the tapping and drilling driving assembly, the tapping and drilling shaft 14 rotates, so that the sealing plate 11 is tightly attached to the rubber pad 13 until the sealing plate 11 is in contact with the welding blocks 19 on the positioning columns 12, as shown in fig. 5, a T-shaped channel on the tapping and drilling shaft 14 is completely immersed in a pipeline, the conducting strips communicated with the welding blocks 19 are connected with the positive electrode of a welding power supply, the sealing plate 11 is connected with the negative electrode of the welding power supply, and after the power is applied, the welding blocks 19 are melted, so that the sealing plate 11 is welded and fixed with the positioning columns 12, and the holes on the water supply pipeline are plugged.
As shown in fig. 6, the outer cylinder 1 is installed on a water supply pipeline 5 to be measured, the outer cylinder 1 is fixedly provided with a fixing seat 6, the air cylinder 3 is fixedly connected to the fixing seat 6, the fixing seat 6 is fixedly provided with two groups on the outer cylinder 1, the two groups of fixing seats 6 are symmetrically arranged about the horizontal central line of the outer cylinder 1, the inner cylinder 2 is fixedly provided with two groups of connecting plates 20, and the telescopic end of the air cylinder 3 is fixedly connected with the connecting plates 20.
The inner cylinder 2 is provided with a tapping drive assembly 4, the tapping drive assembly comprises a drive motor 41, a positioning insert block 42 and a rotating shaft 17, the drive motor 41 is fixedly arranged at the outer end of the inner cylinder 2, the axis of the central shaft of the drive motor 41 coincides with the central axis of the inner cylinder 2, and the specific model of the drive motor 41 can be a 110/130 three-phase stepping motor. One side of the inner cylinder 2 is fixedly connected with a ball bearing, and one end of the rotating shaft 17 penetrates through the ball bearing and is fixedly connected with an output shaft of the driving motor 41. The positioning insert block 42 is welded and fixedly connected to the other end of the rotating shaft 17, and the positioning insert block 42 is a magnetic metal plate. The positioning insert block 42 is in fit and clamping connection with the positioning slot 16 arranged on the sealing plate 11 in the sealing and fixing assembly. The positioning insert block 42 can be inserted into the positioning slot 16, and can be fixed in the positioning slot 16 by adsorption in advance, so that the positioning insert block 42 can drive the tapping shaft 14 to rotate in the rotating process, and the tapping shaft 14 is driven to tap and drill holes on a water supply pipeline automatically.
The two groups of fixed seats 6 are respectively provided with a group of air cylinders 5, and the connecting plates 4 on the inner cylinder body 2 can be pushed and pulled simultaneously through the two groups of air cylinders 5, so that the inner cylinder body 2 is driven to stretch out and draw back in the outer cylinder body 1, the inner cylinder body 2 can provide thrust for the tapping and drilling shaft 14 to tap and drill the water supply pipeline when sliding and shrinking in the outer cylinder body 1, and the high-speed rotating tapping and drilling shaft 14 can automatically tap and drill the water supply pipeline, so that tapping and drilling holes can be automatically carried out.
As shown in fig. 6 and 7, a sealing component 21 is fixedly connected to the inner side wall of the outer cylinder 1, the sealing component 21 is annular, the inner ring surface of the sealing component 21 is tightly attached to the outer wall of the inner cylinder 2, and the outer ring surface of the sealing component 21 is tightly attached to the inner wall of the outer cylinder 1. In the process that the inner cylinder 2 slides and stretches in the outer cylinder 1, the sealing assembly 21 can ensure the tightness between the outer cylinder 1 and the inner cylinder 2, so that a closed space for water pressure measurement can be formed between the outer cylinder 1 and the inner cylinder 2.
Preferably, the material of the seal assembly 21 may be one of nitrile rubber, blue polyurethane or fluororubber. In this embodiment, the sealing assembly 21 preferably has good sealing performance, small movement friction resistance, and is suitable for fluororubber sealing rings with various movement modes, so that the tightness of the inner cylinder 2 during the telescopic movement in the outer cylinder 1 can be ensured.
As shown in fig. 2 and 7, a pressure gauge 10 is installed on the outer cylinder 1 for water pressure measurement. After one end of the tapping shaft 14 taps into the water supply pipeline, water in the pipeline is led out through the diversion hole 15 and is rapidly filled in the airtight space formed by the outer cylinder 1 and the inner cylinder 2, at the moment, the water pressure in the airtight space formed by the outer cylinder 1 and the inner cylinder 2 is the same as the water pressure in the water supply pipeline, and the pressure gauge 10 is arranged on the outer cylinder 1 and can directly detect the water pressure in the water supply pipeline and read water pressure data in real time, so that the measurement of the water pressure is realized.
It should be noted that, as water is introduced into the outer cylinder 1 and the inner cylinder 2, the pressure in the outer cylinder 1 and the inner cylinder 2 increases gradually, and the data which must be read after the water pressure is stabilized is valid data.
The outer cylinder body 1, the inner cylinder body 2 and the air cylinder 3 form a feeding mechanism for pushing the tapping and drilling shaft 14 to tap and drill holes on a water supply pipeline to be tested.
As shown in fig. 2, the installation component comprises a fixing seat 6, a threaded rod 7, a nut and a enclasping plate 9, wherein the fixing seat is fixed on the outer cylinder body 1, the threaded rod 7 is connected to the fixing seat, the enclasping plate 9 is composed of two vertical metal plates and an arc-shaped metal plate, the arc-shaped part is used for enclasping the surface of a water supply pipeline, and the two vertical metal plates are used for being matched and tensioned with the threaded rod 7. The enclasping plate 9 can enclasp and fix the outer barrel 1 on the water supply pipeline, fixedly connected with threaded rod 7 on the fixing base 6, two sets of through-holes 22 have been seted up on the enclasping plate 9, and through-hole 22 has been run through to the one end of threaded rod 7, has connect nut 8 soon on the threaded rod 7, and the one end that outer barrel 1 enclasped with the water supply pipeline is fixed with sealed 15.
The two sets of threaded rods 7 penetrate through the two sets of through holes 22 on the enclasping plate 9 respectively, then the enclasping plate 9 is pushed by the nuts 8, so that the enclasping plate 9 is gradually enclasped on a water supply pipeline, at the moment, the threaded rods 7 can pull the outer cylinder 1, so that the outer cylinder 1 is tensioned and fixed on the water supply pipeline, in addition, the sealing gasket 23 is arranged at the opening end of the outer cylinder 1, the sealing performance of the joint between the sealing gasket 23 and the water supply pipeline can be ensured, and water leakage is avoided.
In this embodiment, after the water pressure detection measurement is completed, as shown in fig. 5, under the cooperation of the feeding mechanism and the tapping driving assembly, the tapping shaft 14 is completely tapped into the water supply pipeline, at this time, one end of the sealing plate 11 is tightly attached to the rubber pad 13 and compresses the rubber pad 13 to a certain extent, so that the thickness of the rubber pad 13 is reduced, at this time, the sealing plate 11 is contacted with the welding block 19 on the positioning column 12, and the drill hole can be directly sealed through the rubber pad 13 and the sealing plate 11, so as to complete the pre-plugging of the drill hole.
In addition, after the outer cylinder 1 is detached, the positive electrode of the welding power supply is connected through the conducting strip, the sealing plate 11 is connected with the negative electrode of the welding power supply, after the electric conduction, the welding block 19 is melted, so that the welding fixation between the positioning column 12 and the sealing plate 11 is realized, the sealing plate 11 is further permanently fixed on a water supply pipeline, and the permanent sealing of the opening is completed.
The application method of the device comprises the following steps: when the novel rubber gasket 13 is used, the four groups of positioning columns 12 are welded and fixed on a water supply pipeline in advance, then the four groups of positioning holes 18 on the rubber gasket 13 are aligned with the four groups of positioning columns 12, and the rubber gasket 13 is pressed, so that the rubber gasket 13 clings to the water supply pipeline, and the assembly of the rubber gasket 13 is completed; then, the sealing plate 11 on one side of the tapping and drilling shaft 14 is inserted and installed on the rotating shaft 17, the tapping and drilling shaft 14 is aligned to the center of the rubber pad 13, two groups of threaded rods 7 penetrate through two groups of through holes 12 on the enclasping plate 9 respectively, then the enclasping plate 9 is pushed by using the nuts 8, the enclasping plate 9 is gradually enclasped on a water supply pipeline, at the moment, the threaded rods 7 pull the outer cylinder 1, the outer cylinder 1 is tensioned and fixed on the water supply pipeline, and the installation of the outer cylinder 1 and the inner cylinder 2 is completed;
then, starting the air cylinder 3, enabling the air cylinder 3 to pull the inner cylinder 2 to shrink towards the inside of the outer cylinder 1 until the tapping shaft 14 is tightly contacted with the water supply pipeline, starting the driving motor 41 at the moment, driving the tapping shaft 14 to rotate at a high speed by the driving motor 41, automatically tapping holes on the water supply pipeline by the tapping shaft 14, stopping the driving motor 41 and the air cylinder 3 after one end of the tapping shaft 14 enters the inside of the water supply pipeline, waiting for water in the water supply pipeline to be introduced into the insides of the outer cylinder 1 and the inner cylinder 2 through the diversion holes 15, and after the water pressure in the insides of the outer cylinder 1 and the inner cylinder 2 is stable, enabling the water pressure in the insides of the outer cylinder 1 and the inner cylinder 2 to be equal to the water pressure in the water supply pipeline at the moment, reading and recording data on the pressure gauge 10, thus finishing the water pressure in the water supply pipeline at the measuring position;
finally, the driving motor 41 and the cylinder 3 are started simultaneously, so that the tapping and drilling shaft 14 is completely tapped into the water supply pipeline, at the moment, the sealing plate 11 is tightly attached to the rubber gasket 13, the rubber gasket 13 is compressed to generate a certain amount of deformation, the sealing plate 11 is contacted with the welding block 19 on the positioning column 12, then the outer cylinder 1 and the inner cylinder 2 are disassembled, the positive electrode of a welding power supply is connected through the conductive sheet, the sealing plate 11 is connected with the negative electrode of the welding power supply, after the power is supplied, the welding block 19 is melted, thereby realizing the welding fixation between the positioning column 12 and the sealing plate 11, and further permanently fixing the sealing plate 11 on the water supply pipeline to complete the permanent sealing of the opening.
After the power is off, the nut 8 is unscrewed, the holding plate 9 is opened, and the detection is finished. And when the next detection is carried out, the new sealing and fixing assembly is taken again for the next detection.
Example 2
The embodiment is based on embodiment 1, and the installation component comprises a fixing seat, a buckle and a holding plate, wherein the fixing seat is provided with the buckle connected with the holding plate in a clamping manner, for example, the fixing seat is provided with a convex buckle, and the holding plate is provided with a groove buckled with the convex buckle.
In the description of the present utility model, it is to be understood that in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "an embodiment," and the like, refer to a particular feature, structure, material, or characteristic described in connection with the embodiment or example as being included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.
Claims (10)
1. The water pressure measuring device for the water supply pipeline experiment is characterized by comprising an outer cylinder body, an inner cylinder body, a cylinder, a tapping and drilling driving assembly, a sealing and fixing assembly, a pressure gauge and a mounting assembly, wherein one end of the outer cylinder body is provided with an opening, the opening end is fixedly arranged on a water supply pipeline to be tested through the mounting assembly, and the mounting assembly is fixedly arranged on the outer cylinder body; an inner cylinder is sleeved at the other end of the outer cylinder, an air cylinder is arranged between the outer cylinder and the inner cylinder, and the inner cylinder is pushed into the outer cylinder through the air cylinder; the tapping driving assembly is fixedly arranged at the outer end part of the inner cylinder body and is used for driving the sealing and fixing assembly along with the pushing of the inner cylinder body; the sealing and fixing assembly is a replaceable assembly and is arranged in the outer cylinder body, the sealing and fixing assembly is used for perforating a water supply pipeline to be detected, after detection is completed, the perforating of the water supply pipeline to be detected is plugged and fixed, the pressure gauge is fixedly arranged on the outer cylinder body, and the pressure gauge is communicated and used for detecting the water pressure in a sealed cavity formed by the outer cylinder body, the inner cylinder body and the pipeline to be detected.
2. The measuring device of claim 1, wherein the sealing and fixing assembly comprises a sealing plate, a tapping and drilling shaft, a positioning column and a rubber gasket, wherein the tapping and drilling shaft is fixedly connected with the sealing plate to form a T-shaped structure, spiral threads are arranged at the front end and the periphery of the tapping and drilling shaft and used for forming holes, a guide hole is formed in the front end of the tapping and drilling shaft, a front end opening of the guide hole is formed in the front end of the tapping and drilling shaft, and a tail end opening of the guide hole is formed in the side wall of the tapping and drilling shaft; the rubber pad is bigger with the sealing plate, and can with sealing plate tight laminating, the opposite side of rubber pad is convex and awaits measuring the pipeline adaptation, and can with the surface of awaiting measuring the pipeline closely laminating, be equipped with the locating hole with the reference column adaptation on the rubber pad, the fixed welding piece that is equipped with in top of reference column, the degree of depth of locating hole is high Yu Dingwei post and the height of welding piece, the rubber pad receives sealing plate extrusion and can take place deformation, sealing plate and welding piece contact, melt and sealing plate welded fastening after the welding piece circular telegram, the upper end open-ended position of water conservancy diversion hole is greater than the thickness of awaiting measuring the pipeline and the sum of rubber pad thickness from sealing plate's distance, the axial length of water conservancy diversion hole along attacking the drill spindle is greater than the thickness of awaiting measuring the pipeline and the sum of rubber pad thickness.
3. The measuring device of claim 2, wherein the rubber pad is provided with four or more groups of positioning holes and is arranged symmetrically at the center of the tapping and drilling shaft on the corresponding sealing plate; the diversion holes are arranged into an inverted T-shaped structure; the welding block is also fixedly connected with a conductive sheet, and after the power is on, the welding block is melted and can be tightly combined with the sealing plate.
4. The measuring device of claim 1, wherein the tapping drive assembly is provided with a drive motor, a positioning insert block and a rotating shaft, the drive motor is fixedly connected with the outer end of the inner cylinder body, the axis of the central shaft of the drive motor coincides with the central axis of the inner cylinder body, one side of the inner cylinder body is fixedly provided with a ball bearing, one end of the rotating shaft penetrates through the ball bearing and is fixedly connected with the output shaft of the drive motor, the other end of the rotating shaft is fixedly connected with the positioning insert block, and the positioning insert block can be in fit and clamping connection with a positioning slot formed in the sealing plate.
5. The measuring device of claim 4, wherein the positioning insert is a magnetic metal plate, and the driving motor is a 110/130 three-phase stepping motor.
6. The measuring device of claim 1, wherein the mounting assembly comprises a fixing seat, a threaded rod, a nut and a holding plate, the fixing seat is fixedly arranged on the outer cylinder, the threaded rod is connected with the fixing seat, the holding plate is composed of two vertical metal plates and an arc-shaped metal plate, the arc-shaped part is used for being matched with the surface of a water supply pipeline to be measured, through holes which are matched and tensioned with the threaded rod are formed in the two vertical metal plates, and the nut is used for fastening the holding plate to be connected with the threaded rod.
7. The measuring device of claim 1, wherein the outer cylinder is provided with a fixing seat, the cylinder is fixedly connected to the fixing seat, the inner cylinder is fixedly provided with a connecting plate, the telescopic end of the cylinder is fixedly connected with the connecting plate, the cylinder is provided with two groups, two groups of corresponding fixing seats and connecting plate pages are provided, and the two groups of fixing seats are symmetrically arranged about the horizontal central line of the outer cylinder.
8. The measuring device of claim 1, wherein the open end of the outer cylinder is provided with a gasket which is mutually adapted to the water supply line to be measured.
9. The measuring device of claim 1, wherein a sealing component is further arranged between the outer cylinder body and the inner cylinder body, the sealing component is annular, an inner ring surface of the sealing component is clung to the outer wall of the inner cylinder body, and an outer ring surface of the sealing component is clung to the inner wall of the outer cylinder body, so that the tightness of the inner cylinder body during the telescopic movement of the outer cylinder body can be ensured.
10. The measurement device of claim 9, wherein the material of the seal assembly is nitrile rubber, blue polyurethane, or fluororubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310468083.6A CN116519200A (en) | 2023-04-27 | 2023-04-27 | Water pressure measuring device for water supply pipeline experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310468083.6A CN116519200A (en) | 2023-04-27 | 2023-04-27 | Water pressure measuring device for water supply pipeline experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116519200A true CN116519200A (en) | 2023-08-01 |
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ID=87389725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310468083.6A Pending CN116519200A (en) | 2023-04-27 | 2023-04-27 | Water pressure measuring device for water supply pipeline experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116519200A (en) |
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2023
- 2023-04-27 CN CN202310468083.6A patent/CN116519200A/en active Pending
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