CN116357842A - Device and method for installing and positioning osmometer in pressure measuring pipe - Google Patents
Device and method for installing and positioning osmometer in pressure measuring pipe Download PDFInfo
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- CN116357842A CN116357842A CN202310095460.6A CN202310095460A CN116357842A CN 116357842 A CN116357842 A CN 116357842A CN 202310095460 A CN202310095460 A CN 202310095460A CN 116357842 A CN116357842 A CN 116357842A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000004746 geotextile Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000005259 measurement Methods 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 7
- 239000011435 rock Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000011900 installation process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The device comprises a fixing part and a telescopic part, wherein the fixing part is used for internally fixing the osmometer, the telescopic part is used for supporting the fixing part, and the bottom of the telescopic part is used for supporting the bottom surface of a detection hole or the bottom surface of rock soil at a detection position; the installation method comprises the following steps of wrapping the geotextile with a binding belt to form an osmometer; placing the osmometer wrapped with geotextile into a cylinder, and fixing the osmometer by rotating a bolt adjusting positioning block; one end of a cable is penetrated out through a cable hole in the cylinder cover, a cable joint is controlled in the cylinder body, and the cable is fixed by a nut and an osmometer so as to be incapable of sliding freely; according to the requirement of the osmometer on the elevation of the tube bottom, the relative positions of the connecting tube and the telescopic tube are adjusted; connecting the regulated connecting cylinder with the cylinder body, and slowly placing the connecting cylinder into a pressure measuring tube; the mounting and positioning device can be efficiently, stably and accurately mounted into the pressure measuring holes and is not easy to damage, and is simple to mount, good in durability and convenient to manufacture in batches.
Description
Technical Field
The invention relates to the technical field of osmometer installation, in particular to an installation positioning device and an installation method for an osmometer in a pressure measuring tube.
Background
The osmometer is a common monitoring instrument for monitoring the water level or the underground water level and the rock-soil osmotic pressure; an osmometer is arranged in the pressure measuring pipe, and the instrument needs to be kept in a non-contact state at a distance from the bottom of the pipe, so that impurities in holes are prevented from affecting the water permeability of the osmometer, and the osmometer plays a better measuring role;
the traditional installation mode is to wrap the osmometer by geotechnical cloth, and hang and place the osmometer to the design height Cheng Buwei by a steel wire rope, so that the osmometer is convenient to install at a specified elevation accurately, the error range is large in the installation process, the data obtained by measurement is different from the design data due to the fact that the installation is not in place, and the problem puzzles accurate measurement and installation, and frequent operation is required;
traditional osmometer mounting means often can not reach the mounted position smoothly, need retrieve again and install, and in this in-process cable joint department easily atress damages, causes repetitive work, wastes time and energy.
Disclosure of Invention
In view of the above, the present invention aims to provide an osmometer mounting and positioning device and a mounting method thereof, which can be efficiently, stably and accurately mounted in a pressure measuring hole and is not easy to be damaged.
The present application aims to solve one of the problems in the background art.
The technical scheme adopted by the invention is as follows: in order to achieve the above and other related objects, the present invention provides an installation and positioning device for an osmometer in a pressure measuring tube, which comprises a fixing portion and a telescopic portion, wherein the fixing portion is used for internally fixing the osmometer, the telescopic portion is used for supporting the fixing portion, and the bottom of the telescopic portion is used for supporting the bottom surface of a detection hole or the bottom surface of a rock soil at a detection position.
The application provides a technical scheme still has following technical feature:
preferably, the fixing part is provided with a clamping mechanism for fixing the osmometer, and the position of the osmometer is adjustable.
Preferably, the length of the telescopic part is adjustable, or the telescopic part slides in the fixed part to enable the extension length of the outer end to be adjustable.
Preferably, the telescopic part and the fixing part are relatively slidable and fixed through a screw rod, or the outer end extension length of the telescopic part is adjusted between the telescopic part and the fixing part through screw thread screwing.
Preferably, the telescopic part and/or the fixing part enable the distance between the working end of the osmometer and the bottom surface of the detection hole or the bottom surface of the rock soil at the detection position to be not less than 30cm.
Preferably, the osmometer is spaced from the lower end surface of the telescoping section by a distance of between 30cm and 60cm, including 30cm and 60cm.
Preferably, the fixed part comprises a cylinder body, the upper end of the cylinder body is provided with a cylinder cover, the center of the cylinder cover is provided with a cable hole, and a cable penetrates through the cable hole to be connected with an internal osmometer.
Preferably, the clamping mechanism comprises a bolt and a positioning block, and the rotation of the bolt drives the positioning block to move towards the inside or the outside of the cylinder.
Preferably, an elastic pad is arranged on the working surface of the positioning block, which is abutted against the osmometer.
Preferably, the bolts are arranged symmetrically in pairs or the bolts are three and distributed in a triangle shape.
Preferably, the lower end and the bottom of the cylinder body are provided with water permeable holes.
Preferably, the water permeable holes are irregular.
Preferably, a cable connector is arranged on the cable and used for connecting the osmometer and penetrating through the cylinder cover.
The method for installing the positioning device of the osmometer in the pressure measuring pipe comprises the steps of firstly, wrapping geotextile with a binding belt;
secondly, placing the osmometer wrapped with geotextile into a cylinder, and fixing the osmometer by rotating a bolt adjusting positioning block;
thirdly, penetrating one end of the cable out through a cable hole in the cylinder cover, controlling the cable connector in the cylinder body, and fixing the cable with a nut and an osmometer so that the cable cannot slide freely;
according to the requirement of the osmometer on the elevation of the tube bottom, the relative positions of the connecting tube and the telescopic tube are adjusted, and the connecting tube and the telescopic tube are fixed through a screw;
and fourthly, connecting the adjusted connecting cylinder with the cylinder body before placing the pressure measuring tube, and slowly placing the pressure measuring tube.
Preferably, before installation, the whole fixing part and the telescopic part are inversely immersed in clean water, so that the fixing part carries the clean water and the induction end of the osmometer is immersed; thereby effectively prevent sewage to ooze the pressure gauge sensing end flow in the installation, and then prevent ooze the jam of pressure gauge sensing end (permeable stone), guarantee the sensitivity of instrument.
Preferably, before the installation on site, the installation positioning device is taken out from water to be horizontally placed in a water-free pressure state, and the reading of the osmometer is used as an initial value.
Preferably, after the measurement and reading, the sensing end is filled with clean water, the device is vertically lifted in the water, and the device is integrally installed at the design position after being connected with the telescopic part.
Preferably, after the cable extends out of the cylinder cover, the cable and the cylinder cover are fixed through the nut, and the cable is prevented from sliding up and down through friction force; the cable joint is always in an unstressed state.
The invention has the following beneficial effects:
the application provides a mounting and positioning device and a mounting method for an osmometer in a pressure measuring tube, which relate to the technical field of engineering safety monitoring instruments and comprise a tube body, an osmometer, geotextile, an osmometer fixing device, a cable fixing device and an osmometer elevation control device, wherein a tube wall of the tube body is provided with a plurality of water permeable holes, an induction end of the osmometer is downwards placed in the tube body, and the induction end is wrapped with geotextile; according to the technical scheme, the osmometer can be smoothly installed at the designated elevation at one time through the osmometer elevation control device, repeated installation for many times in the past is avoided, and repeated work caused by stress damage of a cable connector in the process of installing the osmometer can be avoided; before use, the whole device is inversely immersed in clear water to enable the barrel to carry clear water and immerse the induction end of the osmometer, so that sewage is effectively prevented from flowing to the induction end of the osmometer in installation, blockage of the induction end (permeable stone) of the osmometer is prevented, and the sensitivity of the instrument is ensured. The utility model provides an osmometer can high-efficient, stable, accurate load into the pressure measurement hole and difficult impaired osmometer installation positioner, and simple installation, durability are good, convenient batch production.
Drawings
FIG. 1 is a longitudinal cross-sectional view of an in-tube osmometer mounting and positioning device of the present invention;
FIG. 2 is a transverse cross-sectional view of an in-tube osmometer mounting and positioning device of the present invention;
FIG. 3 is a longitudinal cross-sectional view of a elevation control system of an in-line osmometer mounting and positioning device of the present invention;
FIG. 4 is a transverse cross-sectional view of a height control device of an in-tube osmometer-mounting positioning device of the present invention;
in the figure:
1. screw cap
2. Cable conductor
3. Osmometer
4. Cylinder cover
5. Barrel body
6. Bolt
7. Geotextile cloth
8. Water permeable hole
9. Connecting cylinder
10. Telescopic cylinder
11. Screw rod
12. Rubber pad
13. Cable connector
14. Positioning block
16. A cable hole;
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
1-4, an installation positioning device for an osmometer in a pressure measuring tube comprises a fixing part and a telescopic part, wherein the fixing part is used for internally fixing the osmometer 3, the telescopic part is used for supporting the fixing part, and the bottom of the telescopic part is used for supporting the bottom surface of a detection hole or the bottom surface of rock soil at a detection position.
The application has the characteristics that the osmometer 3 is fixed by utilizing the fixing part and the telescopic part and is installed by matching with the fixing part to obtain a preset elevation, the cable of the osmometer 3 is protected in operation, and the osmometer 3 can be clamped by utilizing the fixing part; the height of the osmometer 3 from the lower bottom surface is adjusted and controlled by the telescopic part, so that the aims of protecting and controlling the elevation are fulfilled.
Specifically, as shown in fig. 1, a clamping mechanism is arranged on the fixing part to fix the osmometer 3, and the position of the osmometer 3 is adjustable; this is because the osmometer 3 is required to be replaceable for installation and maintenance, and can be removed for measurement, and the application can be recycled.
Specifically, as shown in fig. 1, the length of the telescopic part is adjustable, or the telescopic part slides in the fixed part to enable the extension length of the outer end to be adjustable, by utilizing the structure, the distance from the hole bottom or the rock soil layer at the bottom is controlled, and the influence of pollution and blockage on the induction end of the osmometer 3 is prevented.
Specifically, the telescopic part and the fixed part can slide relatively and are fixed through a screw rod, or the outer end extension length of the telescopic part is adjusted between the telescopic part and the fixed part through screw thread screwing; in order to realize one of the structures, as shown in fig. 1, 3 and 4, the telescopic part and the fixed part are relatively slidable and fixed by a screw rod; alternatively, if the screw thread is provided between the telescopic part and the fixing part, the female screw thread and the male screw thread are not required to be provided between the telescopic part and the fixing part respectively.
Specifically, the telescopic part and/or the fixed part enable the distance between the working end of the osmometer 3 and the bottom surface of the detection hole or the bottom surface of the rock soil at the detection position to be not less than 30cm; the size meets the application requirements of most of application, meets the measurement requirements, and plays a role in isolating pollution.
Specifically, the distance between the osmometer 3 and the lower end surface of the telescopic part is between 30cm and 60cm, including 30cm and 60cm; that is, no excessive size is required to provide adjustment, the size meets most application requirements, the measurement requirements are met, and the pollution isolation effect is achieved.
Specifically, the fixed part includes barrel 5, and barrel 5's upper end sets up cover 4, and the center of cover 4 sets up cable conductor hole 16, and cable conductor 2 passes inside osmometer 3 of cable conductor hole 16 connection, utilizes this structure, plays the effect of fixed osmometer 3, and cover 4's cable conductor hole 16 is fixed with nut 1, avoids cable conductor 2 to draw and pulls osmometer 3.
Specifically, the clamping mechanism comprises a bolt 6 and a positioning block 14, and the rotation of the bolt 6 drives the positioning block 14 to move towards the inside or the outside of the cylinder 5, so as to fix and take out the osmometer 3.
Specifically, the elastic pad is arranged on the working surface of the positioning block 14, which is abutted against the osmometer 3, and has the functions of buffering and skid resistance, and the skid resistance is arranged on the elastic pad.
Specifically, the bolts 6 are symmetrically arranged in pairs, or the bolts 6 are three and distributed in a triangle shape, and the osmometer 3 can be firmly fixed by utilizing symmetrical clamping or triangular clamping, and the clamping action is reliable.
Specifically, the lower end and the bottom of the cylinder 5 are provided with water permeable holes 8, so that the osmometer 3 can be in a good working state.
Specifically, a cable connector 13 is arranged on the cable 2 and is used for connecting the osmometer 3 and passing through the cylinder cover 4.
The method for installing the positioning device of the osmometer in the pressure measuring pipe comprises the steps of firstly, wrapping the geotechnical cloth 7 with a binding belt to form an osmometer 3;
secondly, placing the osmometer 3 wrapped with the geotechnical cloth 7 into the cylinder 5, and fixing the osmometer 3 by rotating the bolt 6 to adjust the positioning block 14;
thirdly, one end of the cable 2 is penetrated out through a cable hole 16 in the cylinder cover 4, the cable connector 13 is controlled in the cylinder 5, and the cable 2 is fixed by the nut 1 and the osmometer 3 so as to be incapable of sliding freely;
according to the requirement of the osmometer on the height from the bottom of the pipe, the relative positions of the connecting cylinder 9 and the telescopic cylinder 10 are adjusted, and the connecting cylinder 9 and the telescopic cylinder 10 are fixed through a screw 11;
fourthly, before the pressure measuring tube is put into the pressure measuring tube, the adjusted connecting cylinder 9 is connected with the cylinder body 5, and the pressure measuring tube is slowly put into the pressure measuring tube;
the method is simple and feasible in operation, does not need complex debugging, can be installed at one time, has little influence on the cable in the installation process, and does not influence the operation of the installed equipment.
Specifically, before installation, the whole fixing part and the telescopic part are inversely immersed in clean water, so that the fixing part carries the clean water and submerges the sensing end of the osmometer 3, and the work of polluting the sensing end is avoided.
Specifically, before on-site installation, under the state of no water pressure, the installation positioning device is taken out from water and laid horizontally, the reading of the osmometer 3 is used as an initial value, the accuracy of measurement is improved, and the equipment is initialized.
Specifically, after the measurement and reading, the sensing end is filled with clear water, the device is vertically lifted in the water, and the device is integrally installed at a design position after being connected with the telescopic part, so that the accuracy of the measurement equipment is prevented from being influenced in the installation process.
Specifically, after the cable 2 extends out of the cylinder cover 4, the cable 2 is fixed with the cylinder cover 4 through the nut 1, and the cable 2 is prevented from sliding up and down through friction.
In general, the application provides an installation and positioning device of an osmometer in a pressure measuring pipe, which comprises a cylinder body 5, a cylinder cover 4, an osmometer 3, geotechnical cloth 7, a connecting cylinder 9, a telescopic cylinder 10, a bolt 6, a screw 11, a screw cap 1, a positioning block 14 and a rubber pad 12; the cylinder body 5 is connected with the cylinder cover 4 through screw threads, the cylinder body 5 is connected with the connecting cylinder 9 through screw threads, and the connecting cylinder 9 and the telescopic cylinder 10 are fixed through a screw rod; the osmometer 3 is transversely fixed by the positioning block 14 through the rotary bolt 6, a layer of rubber pad 12 is attached to one side of the positioning block 14, which contacts the osmometer 3, and the lower end of the osmometer 3 is wrapped by geotextile 7; the side surface and the bottom of the cylinder body 5 and the cylinder cover 4 are provided with water permeable holes 8;
the concrete installation mode is that firstly, the geotechnical cloth 7 is wrapped by the binding belt to form an osmometer 3; secondly, placing the osmometer 3 wrapped with the geotechnical cloth 7 into the cylinder 5, and fixing the osmometer 3 by rotating the bolt 6 to adjust the positioning block 14 so that the osmometer cannot move by itself; thirdly, one end of a cable is penetrated out through a cable hole 16 in the cylinder cover 4, the cable connector 13 is controlled in the cylinder body 5, and the cable 2 is fixed by the screw cap 1 and the cylinder cover 3 so as to prevent the cable from freely sliding, so that the cable connector 13 is always in an unstressed state; when in installation, the relative positions of the connecting cylinder 9 and the telescopic cylinder 10 are adjusted according to the requirement of the osmometer on the elevation of the pipe bottom, and the connecting cylinder 9 and the telescopic cylinder are fixed through the screw 11; fourthly, before the pressure measuring tube is put into the pressure measuring tube, the adjusted connecting cylinder 9 is connected with the cylinder body 5, and the pressure measuring tube is slowly put into the pressure measuring tube;
it should be noted that: two days before installation, the device according to the embodiment is integrally arranged, except the connecting cylinder 9, the connecting cylinder 9 is connected with the cylinder 5 before being installed into a pressure measuring pipe, and is immersed in clean water for standby; before field installation, the reading of an osmometer 3 instrument in a non-water pressure state (the installation positioning device is taken out of water and laid horizontally on site) is measured and read as an initial value; after the measurement and reading, the whole device is placed in clear water again, so that air in the permeable stone flows out, and the sensing end is filled with the clear water; when in installation, the device is vertically lifted in water, and is integrally installed at a design position after being connected with the connecting cylinder 9, and related data such as readings of a measuring and reading instrument and the like are measured.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. The utility model provides a osmometer installation positioner in pressure measurement pipe, its characterized in that includes fixed part and telescopic part, and fixed part is used for built-in fixed osmometer (3), and telescopic part is used for supporting fixed part, and the bottom of telescopic part is used for supporting detection hole bottom surface or detection position ground bottom surface.
2. An installation and positioning device for an osmometer in a pressure measuring tube according to claim 1, wherein the fixing part is provided with a clamping mechanism for fixing the osmometer (3), and the position of the osmometer (3) is adjustable.
3. The device for installing and positioning an osmometer in a pressure measuring tube according to claim 1 wherein the length of the telescopic part is adjustable, or the telescopic part slides in the fixed part to enable the extension length of the outer end to be adjustable; the telescopic part and the fixed part can slide relatively and are fixed through a screw rod, or the outer end extension length of the telescopic part is adjusted between the telescopic part and the fixed part through screw thread screwing.
4. The device for installing and positioning an osmometer in a pressure measuring tube according to claim 1, wherein the fixing part comprises a cylinder body (5), a cylinder cover (4) is arranged at the upper end of the cylinder body (5), a cable hole (16) is arranged in the center of the cylinder cover (4), and the cable (2) penetrates through the cable hole (16) to be connected with the osmometer (3) inside.
5. The device for installing and positioning the osmometer in the pressure measuring tube according to claim 1, wherein the clamping mechanism comprises a bolt (6) and a positioning block (14), and the bolt (6) rotates to drive the positioning block (14) to move towards the inside or the outside of the cylinder (5); the bolts (6) are symmetrically arranged in pairs, or the bolts (6) are three and distributed in a triangle shape.
6. The device for installing and positioning the osmometer in the pressure measuring pipe according to claim 1, wherein an elastic pad is arranged on the working surface of the positioning block (14) which is abutted against the osmometer (3); the lower end and the bottom of the cylinder body (5) are provided with water permeable holes (8); the cable (2) is provided with a cable connector (13) for connecting the osmometer (3) and penetrating through the cylinder cover (4).
7. The installation method of the installation positioning device of the osmometer in the pressure measuring pipe is characterized in that firstly, geotechnical cloth (7) is wrapped by a binding belt to form an osmometer (3);
secondly, placing the osmometer (3) wrapped with geotextile (7) into a cylinder (5), and fixing the osmometer (3) by adjusting a positioning block (14) through a rotary bolt (6);
thirdly, one end of the cable (2) is penetrated out through a cable hole (16) in the cylinder cover (4), the cable connector (13) is controlled in the cylinder body (5), and the cable (2) is fixed by the nut (1) and the osmometer (3) so as to be incapable of sliding freely;
according to the requirement of the osmometer on the height from the bottom of the pipe, the relative positions of the connecting cylinder (9) and the telescopic cylinder (10) are adjusted, and the connecting cylinder (9) and the telescopic cylinder (10) are fixed through a screw (11);
and fourthly, connecting the adjusted connecting cylinder (9) with the cylinder body (5) before placing the pressure measuring tube, and slowly placing the pressure measuring tube.
8. The method for installing the positioning device for the osmometer in the pressure measuring tube according to claim 7, wherein before the installation, the whole fixing part and the telescopic part are reversely immersed in clean water, so that the fixing part carries the clean water and the sensing end of the osmometer (3) is immersed.
9. The method for installing the positioning device for the osmometer in the pressure measuring tube according to claim 7, wherein the installation positioning device is taken out of water and laid flat in a state of no water pressure measurement before on-site installation, and the reading of the osmometer (3) is taken as an initial value.
10. The method for installing an osmometer in a pressure measuring tube according to claim 7 wherein after the measurement, the sensing end is filled with clean water, the device is lifted up vertically in the water, and the device is integrally installed at the design position after being connected with the telescopic part; after the cable (2) stretches out of the cylinder cover (4), the cable (2) is fixed with the cylinder cover (4) through the screw cap (1), and the cable (2) is prevented from sliding up and down through friction force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310095460.6A CN116357842A (en) | 2023-02-03 | 2023-02-03 | Device and method for installing and positioning osmometer in pressure measuring pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754042A (en) * | 2023-08-15 | 2023-09-15 | 甘肃工程地质研究院 | Underground water pore pressure monitoring device based on osmometer and installation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754042A (en) * | 2023-08-15 | 2023-09-15 | 甘肃工程地质研究院 | Underground water pore pressure monitoring device based on osmometer and installation method |
| CN116754042B (en) * | 2023-08-15 | 2024-01-02 | 甘肃工程地质研究院 | Method for installing underground water pore pressure monitoring device based on osmometer |
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