CN214697830U - Well head protection device of multifunctional underground water automatic monitoring well - Google Patents

Well head protection device of multifunctional underground water automatic monitoring well Download PDF

Info

Publication number
CN214697830U
CN214697830U CN202120819388.3U CN202120819388U CN214697830U CN 214697830 U CN214697830 U CN 214697830U CN 202120819388 U CN202120819388 U CN 202120819388U CN 214697830 U CN214697830 U CN 214697830U
Authority
CN
China
Prior art keywords
cylinder body
measuring scale
underground water
outer cylinder
protection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120819388.3U
Other languages
Chinese (zh)
Inventor
冀东
张志华
吕三和
张进平
姜德鸿
马健
林琴岗
潘广山
董成祥
宋鲁
梁腾飞
何松
何寿迎
郭良
王泽勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Geological And Mineral Exploration And Development Bureau Fourth Geological Brigade
QINGDAO INSTITUTE OF SURVEYING AND MAPPING SURVEY
Original Assignee
Shandong Geological And Mineral Exploration And Development Bureau Fourth Geological Brigade
QINGDAO INSTITUTE OF SURVEYING AND MAPPING SURVEY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Geological And Mineral Exploration And Development Bureau Fourth Geological Brigade, QINGDAO INSTITUTE OF SURVEYING AND MAPPING SURVEY filed Critical Shandong Geological And Mineral Exploration And Development Bureau Fourth Geological Brigade
Priority to CN202120819388.3U priority Critical patent/CN214697830U/en
Application granted granted Critical
Publication of CN214697830U publication Critical patent/CN214697830U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The utility model discloses a multifunctional well mouth protection device for an underground water automatic monitoring well, which comprises a cylinder body, a cover body and a semi-buried concrete base; the cylinder body comprises an outer cylinder body and an inner cylinder body, the outer cylinder body is fixedly connected to the concrete base, and the inner cylinder body is fixed inside the outer cylinder body and provided with a measuring scale; one end of the cover body is provided with a hinged rotating shaft hinged to the top end of the outer cylinder body; the outer cylinder body top outside is equipped with the lock seat, the locking screw rod of lid lower surface fixed setting. The underground water automatic monitoring device has the advantages that the installation and data transmission of the underground water automatic monitoring device are supported; the underground water level measurement can be automatically measured at any time without being influenced by seasonal changes of the water level, so that data comparison and rechecking are facilitated, and the accuracy of monitoring data is ensured; the fixed support system in the base is convenient to construct, firm and reliable, and can effectively prevent the uneven settlement of the foundation; the method is suitable for underground water monitoring work in artificial fill layers or coastal soft soil foundation areas.

Description

Well head protection device of multifunctional underground water automatic monitoring well
Technical Field
The application belongs to the technical field of groundwater monitoring well protection, concretely relates to automatic monitoring well head protection device of multi-functional groundwater.
Background
The underground water monitoring is an important basic work for monitoring and analyzing the change of the geological environment and controlling the exploitation amount of the underground water. The underground water monitoring work mostly adopts pure manual operation, and data such as water quantity, water temperature and water level are measured manually and are sampled, tested and analyzed manually, so that the working efficiency is low, the precision is poor, the monitoring frequency is low, and the real-time performance of data acquisition and the automatic requirements of management cannot be met. By means of advanced sensor technology, communication technology and data analysis and processing technology, the underground water real-time dynamic monitoring system capable of realizing automatic acquisition, transmission, reception, analysis and management of underground water multi-factor data is applied, and the problems of backward manual measurement means, low frequency, poor precision and the like can be effectively solved.
Compared with the underground water monitoring well adopting the manual observation technical means, the protection device of the automatic monitoring well needs to be synchronously designed and synchronously installed with the data acquisition and transmission device, and has more strict requirements: firstly, the monitoring equipment is expensive in manufacturing cost and placed in an outdoor monitoring well, needs strict protection and firm and reliable design, and prevents the occurrence of human damage or theft accidents; secondly, a water pressure sensing and data acquisition and transmission system of the monitoring equipment has high requirements on the environment and needs to be arranged in a stable environment, and when the monitoring well is built in a manual filling soil, a coastal soft soil layer or other soft soil base areas, the monitoring well foundation base needs to prevent the occurrence of uneven settlement so as to ensure the monitoring working precision and the data accuracy; thirdly, the sensitivity of the monitoring instrument is likely to be reduced after the monitoring instrument is continuously operated for a long time, and the design of the protection device provides convenience for on-site rechecking of the accuracy of the monitored data; and fourthly, the requirements of monitoring instruments, cable installation and remote data transmission and communication monitoring are required to be met, and transmission signals cannot be shielded.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims at providing a can prevent that the ground is inhomogeneous to subside, can realize that automatic observation water level is convenient for data recheck under the groundwater water level seasonal variation condition, firm reliable multi-functional groundwater automatic monitoring well head protection device. In order to achieve the purpose, the following technical scheme is adopted in the application:
a multifunctional well mouth protection device for an underground water automatic monitoring well comprises a cylinder body, a cover body and a semi-buried concrete base; the cylinder body comprises an outer cylinder body and an inner cylinder body, the outer cylinder body is fixedly connected to the concrete base, and the inner cylinder body is fixed inside the outer cylinder body and provided with a measuring scale; one end of the cover body is provided with a hinged rotating shaft hinged to the top end of the outer cylinder body; the outer cylinder top outside is equipped with cylindric lock seat, the locking screw that the lid lower surface fixed set up.
Preferably, a hook is arranged on the inner side wall of the outer cylinder body close to the upper end of the outer cylinder body and used for hanging a monitoring instrument and a cable; the side wall of the outer cylinder body is provided with a plurality of moisture-proof vent holes.
Preferably, the inside wall of outer barrel is close to the upper end position and is equipped with the iron sheet base for place monitoring data transmission antenna, be provided with the hygrothermograph on the inside wall of outer barrel for monitor monitoring instrument operational environment.
Preferably, the internal dipperstick support that has of interior barrel is equipped with the dipperstick on the dipperstick support, connects the floater that floats on the groundwater surface of water through the dipperstick bottom, and the floater floats about driving the dipperstick in the support along with the water level change.
Preferably, the measuring scale bracket comprises a positioning rod, a positioning ring, a first connecting rod, a second connecting rod and a U-shaped frame; the top end of the U-shaped frame is provided with a positioning rod which is detachably fixed on the inner cylinder body; the U-shaped frame comprises two vertical rods and a cross rod; the first connecting rod and the second connecting rod are parallel to the cross rod of the U-shaped frame and are fixed inside the U-shaped frame; the middle of the first connecting rod, the second connecting rod and the cross rod of the U-shaped frame is provided with a positioning ring, and the measuring scale penetrates through the three vertically corresponding rings and is used for fixing the measuring scale penetrating through the measuring scale support.
Preferably, lid upper surface center is provided with circular opening, and circular opening part is provided with the plastics apron, the sealed lid center that is fixed in of plastics apron avoids the metal material lid to produce the shielding effect to monitoring data transmission signal.
Preferably, a fixed support system is arranged in the concrete base and comprises a fixed hoop, a base longitudinal rib, a diagonal draw anchoring rod and a base pile foundation which are connected with each other; leveling points are arranged at the top ends of the concrete bases, so that the positions of monitoring points can be conveniently measured and settlement changes can be conveniently monitored; a plurality of rainwater guiding grooves are formed in the upper end of the concrete base, rainwater can be collected on the concrete base through the rainwater guiding grooves, and the service life is prolonged.
Preferably, the dipperstick bottom mounting has a limiting plate, and the dipperstick lower extreme inserts and is connected to in the ball, and the limiting plate is located in the ball.
Preferably, be provided with the warning on the lateral wall of outer barrel and mark the tablet, the warning marks the tablet and fixes through rivet and outer barrel.
Preferably, the top end of the measuring scale is provided with a threaded interface; the threaded connector can be connected with the external thread of the extension measuring scale and used for installing or disassembling the extension measuring scale.
Preferably, the cover body is further provided with a handle, and the handle is U-shaped.
Preferably, the base pile foundation is constructed by adopting a miniature seamless steel pipe pile, the diameter of the base pile foundation is 50mm, special anticorrosive paint is smeared on the outside of the base pile foundation, and the number of the arranged base pile foundations is 4.
Preferably, draw anchor rod to one side is tertiary twisted steel material, and diameter 22mm paints special anticorrosive paint, arranges 4, evenly arranges along the base periphery for the quantity.
Preferably, the fixed hoop is made of a three-level smooth round steel bar material and has a diameter of 9 mm.
Preferably, the base is indulged the muscle and is tertiary twisted steel material, and diameter 22mm arranges 4 for quantity, evenly arranges along the base periphery.
Preferably, the warning signboard adopts stainless steel.
Preferably, the floating ball is made of hard plastic, and can also be made of stainless steel or other materials.
Preferably, the measuring rod is made of PVC material, and can also be made of other lightweight materials.
Advantageous effects
1. The multifunctional wellhead protection device for the underground water automatic monitoring well is provided with the concrete base, and a fixed supporting system which is connected with each other and comprises a fixed hoop, a base longitudinal rib, a diagonal anchoring rod and a base pile foundation is arranged in the concrete base, so that the device is convenient, firm and reliable to construct, and can effectively prevent uneven settlement of a foundation; be equipped with leveling point on the concrete base, be convenient for measure monitoring point position and monitoring settlement change, be applicable to the groundwater monitoring work in artifical fill layer or coastal soft soil foundation area.
2. The multifunctional wellhead protection device for the underground water automatic monitoring well is provided with the measuring scale, the lower end of the measuring scale is connected with the floating ball, the measuring scale is fixed in an inner cylinder of the wellhead protection device through the measuring scale support, and the underground water level can be directly measured and read; meanwhile, seasonal variation factors of the groundwater level are considered, the detachable lengthening measuring scale connector is arranged at the upper end of the measuring scale, the groundwater level is automatically measured at any time without being influenced by large-scale variation of the water level, comparison and rechecking with data of a monitoring instrument are facilitated, and accuracy of monitoring data is guaranteed.
3. The wellhead protection device of the multifunctional underground water automatic monitoring well can reliably lock the underground water monitoring wellhead, and the warning signboard is hung on the outer barrel, so that the condition that a monitoring instrument is stolen can be effectively prevented; the design of dampproofing air vent does not influence the circulation of air in the monitoring well, is equipped with warm and humid acidimeter in the barrel and can monitors monitoring instrument operational environment, and the plastics apron at automatic monitoring data accessible lid center sends, provides reliable guarantee for groundwater monitoring work.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Figure 2 is a plan cross-sectional view of figure 1 at base a-a of the present application.
Fig. 3 is a schematic structural view of a water level measuring bracket.
Description of reference numerals:
1. a cover body; 11. a U-shaped armrest; 12. a plastic cover plate; 13. a lock with a core; 14. a hinge shaft; 2.
an outer cylinder; 21. an iron sheet base; 22. a warning signboard; 23. riveting; 24. a moisture-proof vent; 25. a hygrothermograph; 26. hooking; 3. an inner cylinder; 31. a lap joint opening; 4. measuring a scale; 41. lengthening a measuring scale; 42. an external thread; 43. a threaded interface; 44. a floating ball; 45. a limiting plate; 5. a measuring scale support; 51. positioning a rod; 52. positioning the circular ring; 53. a first connecting rod; 54. a second connecting rod; 55. a U-shaped frame; 6. a concrete base; 61. leveling points; 62. a rainwater diversion trench; 71. fixing a hoop; 72. longitudinal ribs of the base; 73. a cable-stayed anchor rod; 74. base pile foundation.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
The application provides a multifunctional wellhead protection device of an underground water automatic monitoring well as shown in figures 1-3, which comprises a cylinder body, a cover body 1 and a semi-buried concrete base 6; the cylinder comprises an outer cylinder 2 and an inner cylinder 3 which are fixedly connected to a concrete base 6; one end of the cover body 1 is provided with a hinged rotating shaft 14 hinged to the top end of the outer cylinder body; the outer cylinder body 2 top outside is equipped with cylindric lock seat, with the locking screw cooperation work of fixed setting in the corresponding position department of lid lower surface.
The side wall of the outer cylinder body 2 is provided with a plurality of moisture-proof vent holes 24. The inside wall of outer barrel 2 is close to the upper end position and is equipped with couple 26, can set up to 2 for hang monitoring instrument and cable conductor.
The inside wall of outer barrel 2 is close to the upper end position and is equipped with iron sheet base 21 for place monitoring data transmission antenna.
Be provided with on the lateral wall of outer barrel 2 and warn tablet 22, the warning is marked the tablet and is fixed with outer barrel 2 through rivet 23. And a hygrothermograph 25 is arranged on the inner side wall of the outer cylinder body 2 and used for monitoring the working environment of the monitoring instrument.
A measuring scale bracket 5 is arranged in the inner cylinder 3, and the measuring scale bracket 5 is fixed in the inner cylinder 3 through a lap joint 31 arranged on the inner cylinder 3; dipperstick 4 runs through in dipperstick support 5, connects the floater 44 that floats on the groundwater level through dipperstick 4 bottom, and floater 44 drives dipperstick 4 and floats from top to bottom in dipperstick support 5 along with the water level change.
The measuring scale bracket 5 comprises a positioning rod 51, a positioning ring 52, a first connecting rod 53, a second connecting rod 54 and a U-shaped frame 55; the top end of the U-shaped frame 55 is provided with a positioning rod 51 which is detachably fixed on the inner cylinder 3; the U-shaped frame comprises two vertical rods and a cross rod; the first connecting rod 53 and the second connecting rod 54 are parallel to the cross rod of the U-shaped frame 55 and fixed inside the U-shaped frame 55; the middle of the cross rod of the first connecting rod 53, the second connecting rod 54 and the U-shaped frame 55 is provided with a positioning ring 52, and the measuring scale 4 penetrates through the vertically corresponding three rings 52 and is used for fixing the measuring scale 4 penetrating through the measuring scale bracket 5.
The utility model discloses a monitoring data transmission device, including lid 1, lid 1 upper surface center is provided with circular opening, and circular opening part is provided with plastic cover plate 12, plastic cover plate 12 is sealed to be fixed in lid 1 center, avoids metal material lid 1 to produce the shielding effect to monitoring data transmission signal.
Concrete foundation 6 top is provided with leveling point 61, is convenient for measure monitoring point position and monitoring settlement change. A fixed support system is arranged in the concrete base 6 and comprises a fixed hoop 71, a base longitudinal rib 72, a diagonal anchoring rod 73 and a base pile foundation 74 which are connected with each other.
A plurality of rainwater guiding grooves 62 are formed in the upper end of the concrete base 6, rainwater can be collected on the concrete base 6 through the rainwater guiding grooves 62, and the service life is prolonged.
The bottom end of the measuring scale 4 is fixed with a limiting plate 45, the lower end of the measuring scale 4 is inserted into and connected to the floating ball 44, and the limiting plate 45 is arranged in the floating ball 44.
The top end of the measuring scale 4 is provided with a threaded interface 43; the threaded connector 43 can be connected with the external thread 42 of the extension measuring scale 41, so that the extension measuring scale can be installed or disassembled, and the use requirement of seasonal variation of the groundwater level is met.
The cover body 1 is provided with a handrail 11, and the handrail is U-shaped and is convenient for opening or closing the cover body 1.
For convenience of construction, the base pile foundation 74 is constructed by adopting a miniature seamless steel pipe pile, the diameter of the miniature seamless steel pipe pile is 50mm, special anticorrosive paint is smeared on the outside of the miniature seamless steel pipe pile, and the arrangement number of the miniature seamless steel pipe pile is 4.
The oblique-pulling anchor rods 73 are made of three-level twisted steel, have the diameter of 22mm, are 4 in number, are coated with special anticorrosive paint, and are uniformly arranged along the periphery of the base.
The fixed hoop 71 is made of three-level smooth round steel bars and has the diameter of 9 mm.
The base is indulged muscle 72 and is tertiary twisted steel material, and diameter 22mm arranges 4, arranges that quantity is evenly arranged along the base periphery. The warning signboard 22 is made of stainless steel.
The floating ball 44 is made of hard plastic, can also be made of stainless steel or other materials, is designed in a hollow structure, and can float on the water surface.
The measuring scale 4 is made of PVC material, and can also be made of other light materials.
A method for installing a well head protection device of a multifunctional underground water automatic monitoring well comprises the following steps,
firstly, digging a groove on the ground, constructing a fixed support system of a concrete base 6, constructing a base foundation pile 74, a fixed hoop 71, a diagonal anchoring rod 73 and a base longitudinal rib 72 in sequence, then placing a protective device cylinder, and pouring concrete;
secondly, mounting an automatic monitoring instrument on the iron sheet base 21 and the hook 26 on the inner side wall of the outer cylinder 2, and then downwards probing an automatic monitoring sensor and a cable into the well to obtain underground water automatic monitoring data;
step three, lowering the measuring scale 4 with the lower end connected with the floating ball 44 into the well, and then installing the measuring scale bracket 5 in the inner barrel 3 to fix the measuring scale 4; after the installation of monitoring instrument and dipperstick finishes, close well head protection device's lid 1, rotate locking screw through special tool to lock, lock lid 1.
When the monitoring data is checked again by manual water level observation, the cover body 1 is opened, the measuring scale 4 floats up and down in the bracket along with the change of the water level due to the buoyancy of the floating ball 44, and the water level height is read by the reading at the junction of the measuring scale 4 and the three positioning rings 52; when the water level of underground water in the dry period drops to enable the measuring scale 4 to continuously move downwards along with the floating ball 44, the lengthening measuring scale 41 is installed at the top end of the measuring scale 4; when the groundwater level rises in the rich water period, the measuring scale 4 continuously moves upwards along with the floating ball 44, the extension measuring scale 41 at the top end of the measuring scale 4 is detached, the water level can be observed under the seasonal variation condition of the groundwater level, and the accuracy of the automatic monitoring data can be checked and rechecked at any time.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

Claims (10)

1. A well mouth protection device of a multifunctional underground water automatic monitoring well is characterized by comprising a cylinder body, a cover body and a semi-buried concrete base; the cylinder body comprises an outer cylinder body and an inner cylinder body, the outer cylinder body is fixedly connected to the concrete base, and the inner cylinder body is fixed inside the outer cylinder body and provided with a measuring scale; one end of the cover body is provided with a hinged rotating shaft hinged to the top end of the outer cylinder body; the outer cylinder body top outside is equipped with the lock seat, the locking screw rod of lid lower surface fixed setting.
2. The wellhead protection device for the multifunctional underground water automatic monitoring well according to claim 1, wherein a hook is arranged on the inner side wall of the outer cylinder body close to the upper end of the outer cylinder body and used for hanging a monitoring instrument and a cable; the side wall of the outer cylinder body is provided with a plurality of moisture-proof vent holes.
3. A multifunctional wellhead protection device for an underground water automatic monitoring well according to claim 1, characterized in that an iron sheet base is arranged on the inner side wall of the outer cylinder body near the upper end for placing a monitoring data transmission antenna, and a hygrothermograph is arranged on the inner side wall of the outer cylinder body for monitoring the working environment of a monitoring instrument.
4. The well head protection device of the multifunctional underground water automatic monitoring well according to claim 1, wherein a measuring scale support is arranged in the inner cylinder, a measuring scale is arranged on the measuring scale support, a floating ball floating on the surface of underground water is connected to the bottom end of the measuring scale, and the floating ball drives the measuring scale to float up and down in the support along with the change of water level.
5. The wellhead protection device for the multifunctional underground water automatic monitoring well according to claim 4, characterized in that the measuring scale bracket comprises a positioning rod, a positioning ring, a first connecting rod, a second connecting rod and a U-shaped frame; the top end of the U-shaped frame is provided with a positioning rod which is detachably fixed on the inner cylinder body; the U-shaped frame comprises two vertical rods and a cross rod; the first connecting rod and the second connecting rod are parallel to the cross rod of the U-shaped frame and are fixed inside the U-shaped frame; the middle of the first connecting rod, the second connecting rod and the cross rod of the U-shaped frame is provided with a positioning ring, and the measuring scale penetrates through the three vertically corresponding rings and is used for fixing the measuring scale penetrating through the measuring scale support.
6. A multifunctional wellhead protection device for an underground water automatic monitoring well according to claim 1, characterized in that a circular opening is formed in the center of the upper surface of the cover body, a plastic cover plate is arranged at the circular opening, the plastic cover plate is fixed in the center of the cover body in a sealing mode, and the metal cover body is prevented from shielding monitoring data transmission signals.
7. The wellhead protection device for the multifunctional underground water automatic monitoring well according to claim 1, characterized in that a fixed support system is arranged in the concrete base and comprises a fixed hoop, a base longitudinal rib, a diagonal anchor rod and a base pile foundation which are connected with each other; leveling points are arranged at the top ends of the concrete bases, so that the positions of monitoring points can be conveniently measured and settlement changes can be conveniently monitored; a plurality of rainwater diversion trenches are formed in the upper end of the concrete base.
8. The wellhead protection device for the multifunctional underground water automatic monitoring well according to claim 1, characterized in that a limiting plate is fixed at the bottom end of the measuring scale, the lower end of the measuring scale is inserted into and connected to the floating ball, and the limiting plate is arranged in the floating ball.
9. The wellhead protection device for the multifunctional underground water automatic monitoring well according to claim 1, wherein a threaded connector is arranged at the top end of the measuring scale and can be connected with the external thread of the extension measuring scale so as to mount or dismount the extension measuring scale.
10. A multifunctional wellhead protection device for an underground water automatic monitoring well according to claim 1, characterized in that a warning signboard is arranged on the outer side wall of the outer cylinder body and fixed with the outer cylinder body through rivets.
CN202120819388.3U 2021-04-21 2021-04-21 Well head protection device of multifunctional underground water automatic monitoring well Active CN214697830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120819388.3U CN214697830U (en) 2021-04-21 2021-04-21 Well head protection device of multifunctional underground water automatic monitoring well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120819388.3U CN214697830U (en) 2021-04-21 2021-04-21 Well head protection device of multifunctional underground water automatic monitoring well

Publications (1)

Publication Number Publication Date
CN214697830U true CN214697830U (en) 2021-11-12

Family

ID=78532643

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120819388.3U Active CN214697830U (en) 2021-04-21 2021-04-21 Well head protection device of multifunctional underground water automatic monitoring well

Country Status (1)

Country Link
CN (1) CN214697830U (en)

Similar Documents

Publication Publication Date Title
CN113513308A (en) Wellhead protection device for underground water automatic monitoring well and installation and use methods
CN112482343A (en) Automatic monitoring device and method for layered settlement of soil
CN210242608U (en) Multifunctional monitoring device for soil and water conservation
CN214697830U (en) Well head protection device of multifunctional underground water automatic monitoring well
CN213455486U (en) Measuring apparatu is used in native survey and drawing with angle modulation function
CN220438097U (en) Mountain area portable ring cutter infiltration test device
CN207730301U (en) Underground water level measurement device
CN217332054U (en) Device for monitoring mud density in real time
CN215930831U (en) Deep level displacement monitoring devices
CN213629744U (en) Multifunctional measurement supporting device suitable for engineering survey
CN105925990B (en) A kind of offshore wind power foundation cathodic protection remote monitoring device and its monitoring method
CN212871829U (en) Hydrogeology sampling device
CN210533255U (en) Tension crack depth and width measuring device
CN112345593A (en) High-precision deep soil moisture detection device and implementation method thereof
CN208847730U (en) Hillside fields water and soil conservation value device
CN112233387A (en) Coastal storm surge monitoring device and online monitoring and early warning system
CN112504220A (en) Telescopic tubular automatic monitoring device and method for surface settlement
CN113075386B (en) Monitoring method of remote monitoring device for groundwater recharge effect of water system river network
CN219867468U (en) Multifunctional drainage pipe network investigation device
CN214276977U (en) Sloping field soil and water conservation monitoring devices
CN219891014U (en) Energy-saving oasis farmland evapotranspiration monitoring device
CN216791737U (en) Multifunctional geotechnical engineering water level measurement and water taking device
CN212007951U (en) Ocean bottom layer water collection system
CN218952267U (en) Open caisson construction straightness that hangs down and roughness detection indicator
CN220690074U (en) Open caisson construction straightness monitoring devices that hangs down

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant