CN215114636U

CN215114636U - Hydrological test device

Info

Publication number: CN215114636U
Application number: CN202120872593.6U
Authority: CN
Inventors: 王奕潮; 谭均
Original assignee: Chongqing Hongyuan Seepage Water Intake Technology Co ltd
Current assignee: Chongqing Hongyuan Seepage Water Intake Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-10
Anticipated expiration: 2031-04-26

Abstract

The utility model provides a hydrology test device, including control terminal, insert the sleeve pipe in the test hole, install the downthehole sensor that is arranged in measuring the parameter of cover intraductal water in the sleeve pipe, take sleeve pipe normal water out or pour into the water injection drainage equipment in the sleeve pipe with outside water into, the sleeve pipe is including burying underground the strainer that the pipe wall on experimental stratum has the filtration pore, water injection drainage equipment leads to pipe delivery water, is equipped with the flowmeter on the water pipe. The utility model discloses a control terminal can accomplish the collection of experimental relevant data, like the collection of indexes such as drainage capacity, static water level, stable deepening, test hole temperature, PH value, reduces experimental loaded down with trivial details degree, reduces the error that artificially causes in the test process, makes the hydrology experiment simpler, convenient, reliable; and the process of the test can be monitored through the control terminal, the test can be carried out without being positioned on water for a long time, and the safety is guaranteed.

Description

Hydrological test device

Technical Field

The utility model belongs to hydrogeology detection device field, concretely relates to hydrographic test device.

Background

The hydrographic test is a field test performed to obtain hydrogeological parameters of rock and soil and to find hydrogeological conditions, and a water pumping test, a water pressing test, a water injection test, a water seepage test, a dispersion test and the like are commonly used. The pumping test is a common in-situ test method which is widely applied to the fields of hydrogeology, engineering geology and environmental geology and is used for finding out hydrogeological features of deep rocks and soil layers and obtaining various hydrogeological parameters of aquifers, and provides technical support for water finding well drilling, water resource exploitation schemes, foundation pit precipitation design, pollutant diffusion and the like.

The pumping test is generally carried out in the field, the working environment condition is complex, the pumping period is long, manual depth measurement and flow measurement are often adopted, the whole pumping test efficiency is low, and time and labor are wasted; particularly, when pumping water in a riverbed aquifer, workers and technicians are required to take a boat to a test position to perform a test on water, the manual test process is complex, time and labor are wasted, and the safety is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art, the utility model aims at providing a hydrology test device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydrological test device is provided, a test hole is drilled in a test stratum, the hydrological test device comprises a control terminal, a sleeve inserted into the test hole, an in-hole sensor installed in the sleeve and used for measuring parameters of water in the sleeve, and water injection and drainage equipment for pumping water in the sleeve or injecting external water into the sleeve, wherein the sleeve comprises a water filter pipe with filter holes, the water filter pipe is embedded in the pipe wall of the test stratum, the water injection and drainage equipment conveys water through a water pipe, and a flowmeter is arranged on the water pipe; the signal output end of the sensor in the hole is electrically connected with the signal input end of the control terminal, the signal output end of the flowmeter is electrically connected with the flow input end of the control terminal, and the control end of the control terminal is electrically connected with the enabling end of the water injection and drainage equipment.

In the technical scheme, the collection of relevant test data, such as the collection of indexes such as water pumping and draining quantity, static water level, stable depth reduction, water temperature of a test hole, air temperature, PH value and the like, can be completed through the control terminal, so that the complexity of the test is reduced, the errors caused by people in the test process are reduced, and the hydrological test is simpler, more convenient and more reliable; and the process of the test can be monitored through the control terminal, the test can be carried out without being positioned on water for a long time, and the safety is guaranteed.

In a preferred embodiment of the present invention, the in-hole sensor comprises a water pressure sensor, and/or a temperature sensor, and/or a PH sensor. Water pressure is obtained through the water pressure sensor, the temperature of water is obtained through the temperature sensor, and the PH value of the water is obtained through the PH sensor.

In a preferred embodiment of the present invention, when the test formation is located below the surface water body, the casing further includes a riser located above the water filter, an upper end of the riser extends upward to the surface of the water, and a lower end of the riser extends into the test formation; and a water stopping device for preventing surface water from being directly poured into the test hole is arranged on the outer wall of the marine riser extending into the test stratum, or the water stopping device is arranged between the water filter pipe and the marine riser.

According to the technical scheme, the marine riser and the water stopping device are arranged, so that surface water can be prevented from being directly poured into the test hole, test data are more accurate, and the hydrological test device can be further used for water level tests when the test stratum is located under the surface water body (such as a test layer located under a river lake reservoir).

In a preferred embodiment of the present invention, when the water stop device is disposed on the outer wall of the riser, the water stop device includes a plurality of support frames annularly disposed outside the riser, and a sealing sleeve made of an elastic material and covering the support frames and annularly disposed outside the riser; the support framework comprises an upper framework and a lower framework hinged to the lower end of the upper framework, the upper end of the upper framework is hinged to the outer wall of the marine riser, and the lower end of the lower framework is fixedly connected with the detachable side wall of the marine riser through a bolt.

Among the above-mentioned technical scheme, through setting up supporting framework and seal cover, make the watertight fittings like two articulated umbrellas, in the test process of drawing water, the umbrella struts, makes watertight fittings appearance similar with the lantern, and its isolation of seal cover of watertight fittings prevents that surface water from directly pouring into the test hole, makes the test result more accurate.

In a preferred embodiment of the present invention, the bolt is fixedly connected with a steel wire, and the end of the steel wire far away from the bolt is located on the liquid level.

Among the above-mentioned technical scheme, make the bolt break away from the marine riser through the pulling steel wire, the pulling of the bolt of being convenient for, people on the surface of water on the ship alright accomplish easy operation.

In another preferred embodiment of the present invention, the sealing sleeve is fixedly connected to the supporting frame, and the sealing sleeve is fixed to the outside or inside of the supporting frame; or the upper end and the lower end of the sealing sleeve are both fixedly connected with the outer wall of the marine riser, and the sealing sleeve is arranged outside the supporting framework.

In another preferred embodiment of the present invention, an underwater sensor for measuring surface water parameters is disposed on the outer wall of the marine riser. Thereby, parameters of the surface water can be measured.

In another preferred embodiment of the present invention, the underwater sensor includes a temperature sensor, and/or a PH sensor.

In another preferred embodiment of the invention the casing is partly inserted into the test formation or the casing is fully inserted into the test formation and extends down to the outside of the test formation.

In another preferred embodiment of the present invention, when the casing is inserted into the test formation and extends downward to the outside of the test formation, the part of the casing located in the test formation is a strainer, the lower part of the casing located outside the test formation is a down-flow pipe, and the water injection and drainage device is arranged in the down-flow pipe.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a hydrological testing apparatus according to a first embodiment of the present application.

Fig. 2 is another schematic structural diagram of a hydrological testing device according to the first embodiment of the present application.

Fig. 3 is a schematic structural diagram of a hydrological test apparatus according to a second embodiment of the present application.

Fig. 4 is a schematic view showing that a support frame of the water stopping device in the second embodiment of the present application is opened.

Fig. 5 is a schematic layout view of a support skeleton of a water stopping device in the second embodiment of the present application.

Fig. 6 is a schematic view of the support frame of the water stopping device in the second embodiment of the present application being closed.

Reference numerals in the drawings of the specification include: the water-stop test device comprises a test stratum 10, a casing 20, a water filter pipe 21, a downward extending pipe 22, a marine riser 23, water injection and drainage equipment 30, a water pipe 31, an in-hole sensor 41, an underwater sensor 34, a flowmeter 43, a water stop device 50, a support framework 51, an upper framework 511, a lower framework 512, a sealing sleeve 52, a plug 53 and a steel wire 54.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Example one

The embodiment provides a hydrological test device, which is used for performing hydrological tests such as a water pumping test, a water injection test, a water pressing test and the like on a test stratum 10, wherein a test hole is drilled in the test stratum 10, and the hydrological test device is installed in the test hole. As shown in fig. 1, the present embodiment is described by taking a test on shore as an example, and the hydrological testing apparatus includes a control terminal (not shown in the drawings), a casing 20 inserted into a test hole, an in-hole sensor 41 installed in the casing 20 for measuring a parameter of water in the casing 20, and a water injection and drainage device 30 for extracting water in the casing 20 or injecting external water into the casing 20.

In the present embodiment, the casing 20 includes a strainer 21 having filter holes embedded in the wall of the test ground 10, the strainer 21 is a filter, and the length and position of the filter are set according to the ground to be tested. Such as shown in fig. 1, the test formation 10 is deep and the casing 20 is partially inserted into the test formation 10. For another example, as shown in fig. 2, the depth of the test formation 10 is shallow, the casing 20 is completely inserted into the test formation 10 and extends downward to the outside of the test formation 10, at this time, the part of the casing 20 located in the test formation 10 is the strainer 21, the lower part of the casing 20 located outside the test formation 10 is the down pipe 22, the water injection and drainage device 30 is arranged in the down pipe 22, and the in-hole sensor 41 may also be arranged in the down pipe 22.

In the present embodiment, the water injection and drainage device 30 is a variable pump or a pump set with adjustable flow rate, the water injection and drainage device 30 is a water suction pump or a water injection pump according to different test types, the water injection and drainage device 30 conveys water through a water pipe 31, and a flowmeter 43 is arranged on the water pipe 31.

In this embodiment, the in-well sensor 41 includes, but is not limited to, a water pressure sensor, and/or a temperature sensor, and/or a PH sensor, and in practice one or more sensors may be provided according to the test requirements,_{preference is given to}The water pressure sensor is arranged at the bottom of the test hole and a point above the water injection and drainage device 30. The signal output end of the in-hole sensor 41 is electrically connected with the signal input end of the control terminal, the signal output end of the flowmeter 43 is electrically connected with the flow input end of the control terminal, and the control end of the control terminal is electrically connected with the enabling end of the water injection and drainage equipment 30. In the present embodiment, the control terminal may be connected by wire or wirelessly, and may be controlled by a mobile phone, a computer, or the like.

After the test hole is drilled, people install the casing 20 in the test hole in sections or as a whole according to the length of the casing 20, and then perform hydrological tests such as a water pumping test, a water injection test or a water pressurizing test. The water pressure is obtained through the water pressure sensor (the water pressure can be converted into water level information, and the water level can be calculated to obtain a depth reduction value), the temperature of water is obtained through the temperature sensor, the PH value of water is obtained through the PH sensor, the flow of water conveyed by the water pipe 31 is collected through the flowmeter 43, and all the indexes are transmitted to the control terminal. During the water pumping test, the control terminal adjusts the water injection and drainage equipment 30 to control the water pumping quantity, further controls the water level in the sleeve 20 to be reduced, meets the requirements of different test depths and different test positions, and after the test is finished, the sleeve 20 is pulled out.

Example two

The structural principle of this embodiment is substantially the same as that of the first embodiment, except that the test formation 10 is located under a surface water body (e.g., a test formation located under a river or lake reservoir). As shown in fig. 3, in the present embodiment, the casing 20 further includes a riser 23 located above the water filter 21, and a subsea sensor 34 located in the surface water and used for measuring a surface water parameter is provided on an outer wall of the riser 23, and the subsea sensor 34 includes, but is not limited to, a temperature sensor, and/or a PH sensor. The upper end of the riser 23 extends upwards to the water surface, the lower end of the riser 23 extends into the test formation 10, a water stopping device 50 is arranged between the water filter pipe 21 and the riser 23, and the water stopping device 50 can adopt the prior art, such as the water stopping devices disclosed in CN201720361666.9 and cn201320189438. The water stop device 50 is used for preventing surface water from directly pouring into the test hole, so that test data are more accurate.

In another preferred embodiment, shown in fig. 3, a water stop means 50 may also be provided on the outer wall of the riser 23 extending into the test formation 10. As shown in fig. 4 and 5, the water stopping device 50 includes a plurality of supporting frames 51 circumferentially uniformly arranged around the riser 23, and a sealing sleeve 52 made of an elastic material covering the plurality of supporting frames 51 and arranged around the riser 23, wherein the supporting frames 51 are used for supporting the sealing sleeve 52, like an umbrella stand of an umbrella. The support framework 51 comprises an upper framework 511 and a lower framework 512 hinged to the lower end of the upper framework 511, the upper end of the upper framework 511 is hinged to the outer wall of the marine riser 23, the lower end of the lower framework 512 is fixedly connected with the side wall of the marine riser 23 in a detachable mode through a bolt 53, for example, the bolt 53 is fixedly connected with or hinged to the lower end of the lower framework 512, a jack is formed in the side wall of the marine riser 23, the bolt 53 is inserted into the jack, and the bolt 53 cannot be separated from the marine riser 23 under the action of no external force.

In the present embodiment, the sealing sleeve 52 is fixedly connected to the support frame 51, and the sealing sleeve 52 is fixed to the outer side or the inner side of the support frame 51; or the upper end and the lower end of the sealing sleeve 52 are fixedly connected with the outer wall of the marine riser 23, the sealing sleeve 52 is arranged outside the supporting framework 51, and the bolt 53 penetrates through the sealing sleeve 52 and is fixedly connected with the lower framework 512.

Before the pumping test, a person inserts a plug 53 into an insertion hole of the riser 23 to open the supporting framework 51, and the sealing sleeve 52 is arranged outside the riser 23 in a surrounding mode and is shaped like a lantern. When the marine riser 23 is lowered into the test hole, the water stopping device 50 is extruded with the side wall of the test hole, so that the soil body of the test stratum collapses, the soil body on the upper layer of the water stopping device 50 covers the sealing sleeve 52 of the water stopping device 50, and therefore the water stopping device 50 is buried in the test stratum 10, and surface water is prevented from being directly poured into the test hole.

After the test is finished, the hydrological testing device can be pulled out and recycled, and the specific process is that the plug pin 53 of the water stopping device 50 is pulled out from the marine riser 23, for example, the steel wire 54 is fixedly connected to the plug pin 53, one end of the steel wire 54 far away from the plug pin 53 is positioned on the liquid level, people pull the steel wire 54 to enable the plug pin 53 to be separated from the marine riser 23, and in order to facilitate the pulling out of the plug pin 53, the plug pin 53 is preferably inserted into the side wall of the marine riser 23 in an inclined manner from top to bottom. As shown in fig. 6, after the plug 53 is pulled out, the sleeve 20 is pulled out upwards, the support framework 51 of the water stopping device 50 rotates downwards to finish the fixing action, and then the sleeve 20 is pulled out from the test hole.

In the embodiment, when the test stratum 10 is closer to the bank, the control terminal and the power equipment can be installed on the bank; when the test formation 10 is far from the shore, a ship may be placed near the test hole, and the control terminal and the power equipment may be mounted on the ship.

In this embodiment, when the depth of the casing 20 inserted into the test formation 10 is not shallow, such as several meters or ten meters, three parts of the casing 20 (the riser 23, the strainer 21 and the down-pipe 22) may be connected together and then lowered into the test hole, so that the water level test apparatus is an integrated apparatus; when the casing 20 is inserted deeper into the test formation 10, three sections of the casing 20 may be lowered into the test hole in sections, selected according to the actual situation.

In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A hydrological test device is characterized by comprising a control terminal, a sleeve inserted into a test hole, an in-hole sensor installed in the sleeve and used for measuring parameters of water in the sleeve, and water injection and drainage equipment for extracting water in the sleeve or injecting external water into the sleeve, wherein the sleeve comprises a water filter pipe with filter holes embedded in the wall of the test layer, the water injection and drainage equipment conveys water through a water pipe, and a flowmeter is arranged on the water pipe;

the signal output end of the sensor in the hole is electrically connected with the signal input end of the control terminal, the signal output end of the flowmeter is electrically connected with the flow input end of the control terminal, and the control end of the control terminal is electrically connected with the enabling end of the water injection and drainage equipment.

2. A hydrological testing device according to claim 1, wherein the sensors in the wells comprise water pressure sensors, and/or temperature sensors, and/or PH sensors.

3. The hydrological testing apparatus of claim 1, wherein the casing further comprises a riser above the water filter when the test formation is below the body of surface water, the riser having an upper end extending up to the surface of the water and a lower end extending into the test formation;

and a water stopping device for preventing surface water from being directly poured into the test hole is arranged on the outer wall of the marine riser extending into the test stratum, or the water stopping device is arranged between the water filtering pipe and the marine riser.

4. The hydrological test device according to claim 3, wherein when the water stopping device is arranged on the outer wall of the riser, the water stopping device comprises a plurality of supporting frameworks which are annularly arranged outside the riser and a sealing sleeve which is covered on the supporting frameworks and is annularly arranged outside the riser and is made of an elastic material; the supporting framework comprises an upper framework and a lower framework hinged to the lower end of the upper framework, the upper end of the upper framework is hinged to the outer wall of the marine riser, and the lower end of the lower framework is fixedly connected with the detachable side wall of the marine riser through a bolt.

5. The hydrological testing device according to claim 4, wherein a steel wire is fixedly connected to the plug pin, and one end of the steel wire, which is far away from the plug pin, is positioned on the liquid level.

6. The hydrological test device according to claim 4, wherein the sealing sleeve is fixedly connected with the support framework, and the sealing sleeve is fixed on the outer side or the inner side of the support framework;

or the upper end and the lower end of the sealing sleeve are fixedly connected with the outer wall of the marine riser, and the sealing sleeve is sleeved outside the supporting framework.

7. The hydrological testing device according to claim 3, wherein the outer wall of the riser is provided with an underwater sensor located in the surface water for measuring surface water parameters.

8. A hydrological testing device according to claim 7, wherein the underwater sensor comprises a temperature sensor, and/or a pH sensor.

9. A hydrological testing apparatus according to any of claims 1 to 8, wherein the casing is partially inserted into the test formation or the casing is fully inserted into the test formation and extends down to the exterior of the test formation.

10. A hydrological testing apparatus according to claim 9, wherein when the casing is fully inserted into the test formation and extends downwardly beyond the test formation, the portion of the casing located in the test formation is a strainer, the lower portion of the casing located outside the test formation is a down pipe, and the water injection and drainage device is provided in the down pipe.