CN211373771U

CN211373771U - Reservoir ground water level observation data acquisition device

Info

Publication number: CN211373771U
Application number: CN201922363588.8U
Authority: CN
Inventors: 郑小贺; 程鹏; 马怀发
Original assignee: China Institute of Water Resources and Hydropower Research; State Grid Xinyuan Co Ltd; Shandong Taishan Pumped Storage Power Station Co Ltd
Current assignee: China Institute of Water Resources and Hydropower Research; State Grid Xinyuan Co Ltd; Shandong Taishan Pumped Storage Power Station Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-28
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a reservoir ground water level observation data acquisition device, which relates to the field of observation equipment, and adopts the technical scheme that the device comprises a support arranged at an observation tube, a water level gauge is fixedly arranged on the support, the support comprises two hoop bodies, one side of each hoop body, which is far away from the observation tube, is provided with a support table, one support table is provided with the water level gauge, the other support table is provided with a camera, the lens of the camera is arranged towards the water level gauge, and a data channel is formed between the camera and an upper computer; one side of the roller body of the water level gauge is provided with a driving component for driving the roller body of the water level gauge. The utility model has the advantages that: this device can the independent utility, also can combine current most water level observation device to use jointly, combines it to reform transform into remote observation device under the condition that need not abandon current device, perhaps through the combination of this device, adopts dual data acquisition's mode, improves the true reliability of current collection system feedback data.

Description

Reservoir ground water level observation data acquisition device

Technical Field

The utility model relates to an observation equipment field, in particular to reservoir ground water level observation data collection system.

Background

Regarding the stability of the side slope, landslide mentioned in "geological theory" by Laier of scholars in the united kingdom is considered as a result of influence of underground water, and through years of research, the underground water level is a large influence factor on the stability of the side slope, such as sliding deformation instability of mechanical properties of materials caused by influence of underground water of a weak interlayer medium between rock masses and the like.

At present, the underground water level is mainly observed by arranging a vertical observation hole at a selected observation position and observing through the existing equipment, if the most common steel rule water level gauge is used, in order to put down the end part of the steel rule water level gauge along the observation hole, when a sensor at the end part descends to the underground water level position, a side gives a warning, and an operator at the upper part observes. This process requires personnel to be present at the observation site.

Based on the technical problem, there are also CN109632051A a hydrogeological exploration ground water level observer, CN106197607A a device and method for accurately measuring ground water level, CN110375822A an automatic detection device for ground water level, etc. at present, the device and method adopt a mode of controlling a water level meter in a remote operation mode, so that the water level meter is lowered to the water surface of the ground water level, and the result is fed back to an upper computer. However, the above scheme does not explicitly describe how to control the sensing end of the water level gauge to ensure that the sensing end is located at the liquid level of the underground water, so that the content is slightly unclear, and the scheme needs a relatively complex electronic control technology such as a single chip microcomputer. After purchasing brand new equipment, the original water level meter can only be used as stock or discarded.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a reservoir ground water level observation data collection system.

The technical scheme is that the device comprises a support arranged at an observation pipe, wherein a water level gauge is fixedly arranged on the support and is a steel ruler water level gauge, a cover body is arranged outside the support, the support comprises two hoop bodies, the hoop bodies are respectively positioned at two sides of an observation pipe opening, one sides of the two hoop bodies, which are far away from the observation pipe, are respectively provided with a support table, and the support table comprises a horizontally arranged table plate and support legs at the lower part of the table plate;

the water level meter is arranged on one of the support tables, the camera is arranged on the other support table, the lens of the camera is arranged towards the water level meter, and a data channel is formed between the camera and the upper computer;

and a driving component for driving the roller body of the water level gauge is arranged on one side of the roller body of the water level gauge.

Preferably, a slide rail is arranged on the bedplate of the support table provided with the camera and is in sliding connection with the slide block, a camera supporting rod is arranged at the upper part of the slide block and is a telescopic rod, and the top end of the camera supporting rod is in spherical hinge connection with the lower end of the camera;

and a light supplement lamp is fixedly arranged at the upper part of the camera.

Preferably, the driving assembly comprises a motor, a driving wheel is arranged on a motor shaft of the motor, a driven wheel is arranged between the driving wheel and the roller body of the water level gauge, the driving wheel and the driven wheel are friction wheels, and the driving wheel, the driven wheel and the roller body of the water level gauge are sequentially attached to each other.

Preferably, an upper contact group and a lower contact group are arranged on the sensing end of the water level gauge, the upper contact group SA1 is positioned at the upper part of the sensing end of the water level gauge, the lower contact group SA2 is positioned at the lower part of the sensing end, each contact group comprises two metal contacts which are horizontally arranged, and the two metal contacts of each contact group are respectively arranged towards one side far away from the sensing end of the water level gauge;

the upper contact group and the lower contact group are electrically connected with the motor to form a control loop.

Preferably, the upper contact set SA1 and the lower contact set SA2 are connected in series with the control end of the relay KA 1;

the upper contact group SA1 and the lower contact group SA2 are connected in parallel and then are connected in series with the control end of the relay KA 2;

a normally open contact of the relay KA1 is connected in series with the control end of the relay KM1, and a normally closed contact of the relay KA2 is connected in series with the control end of the relay KM 2;

the motor is a three-phase asynchronous motor, and the normally open contacts of the fast search relay KM1 and the relay KM2 are respectively connected with a power supply circuit of the motor to form a motor bidirectional operation control circuit.

Preferably, a normally closed contact of the relay KM2 is also connected in series between the normally open contact of the relay KA1 and the control end of the relay KM 1; the normally closed contact of the relay KM1 is connected in series between the normally closed contact of the relay KA2 and the control end of the relay KM 2.

Preferably, the device further comprises a clamping assembly for clamping the induction end of the water level gauge, the clamping assembly comprises an upper clamping plate and a lower clamping plate which are oppositely arranged, one opposite side of each clamping plate is provided with a boss, each boss is a conical table, and one end with a smaller boss area abuts against the end part of the induction end of the water level gauge; a through hole for penetrating through the induction end of the water level gauge is formed in the plate body of the clamping plate positioned at the upper part;

the upper clamping plate and the lower clamping plate are connected through a telescopic rod;

two arc-shaped positioning plates are symmetrically arranged at the edge of the clamping plate, and one side of each positioning plate, which is far away from the boss, is provided with one contact of the contact group; one side of the positioning plate, which faces the boss, is provided with an elastic positioning block.

Preferably, the periphery of the positioning plate is provided with a delay cover, the delay cover is bowl-shaped as a whole and comprises an annular bottom plate, an inner wall is arranged along the inner ring of the annular bottom plate, an outer wall is arranged on the outer ring, a water collecting tank is formed between the inner wall and the outer wall, and contacts of the contact group penetrate through the inner wall and extend to the position between the outer wall and the inner wall;

the annular bottom plate is provided with a drain hole, a drain pipe is fixedly connected to the lower portion of the drain hole, a one-way door is arranged on the lower side of the drain pipe and is a cover plate arranged below the drain pipe, the edge of the one-way door is hinged to the drain pipe, the area of the one-way door is larger than the area of the bottom end of the drain pipe, and the opening range of the one-way door is limited by a limiting block to be smaller than 45 degrees.

Preferably, the clamp is arranged on the bedplate of the water level meter and corresponds to the water level meter, the clamp comprises two fixing blocks which are arranged in parallel, two clamping blocks are symmetrically arranged on the inner sides of the fixing blocks, a screw rod is rotatably connected to one side, facing the outer side of the bedplate, of each clamping block, a screw hole is formed in the fixing block and corresponds to the screw rod, the screw rod is in threaded connection with the fixing block, and an adjusting knob is arranged at one end, far away from the clamping blocks, of.

Preferably, the hoop body on one side of the water level meter is provided with a guide assembly, the guide assembly comprises a guide wheel support rod fixedly connected with the upper surface of the hoop body on the side, and the guide wheel support rod extends to the middle position above the observation tube and is provided with a roller.

Preferably, leading wheel branch upper portion is provided with the pinch roll group, and pinch roll group is arranged from top to bottom including the pinch roll of two level settings, two pinch rolls, and one of them pinch roll is the fixed roll, and another pinch roll is the activity roller, and the activity roller is driven by an electromagnetism push rod, electromagnetism push rod's control end with relay KA2 electricity is connected.

Preferably, a cover body is arranged outside the support, an electric heating wire is arranged on the inner wall of the cover body, air holes are formed in the cover body, and a drying box is arranged on the inner wall of the cover body and located at the air inlet holes.

Preferably, the stabilizer blade is the flexible body of rod, and locks through the locking bolt between its expansion end and the stiff end, and the gasket is cup jointed to the stabilizer blade bottom.

Preferably, the bottom end of the supporting leg is in threaded connection with the insert of the inverted cone.

Preferably, follow driving wheel set up two, two are followed between the driving wheel coaxial setting line roller, centre gripping subassembly upper end sets up the steel chi, is connected with the line roller through steel chi and cable, and steel chi and cable winding are on the line roller between the driving wheel.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: this device can the independent utility, also can combine current most water level observation device to use jointly, combines it to reform transform into remote observation device under the condition that need not abandon current device, perhaps through the combination of this device, adopts dual data acquisition's mode, improves the true reliability of current collection system feedback data.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is an enlarged schematic view of the clamping assembly according to the embodiment of the present invention.

Fig. 3 is a partially enlarged view a of fig. 3.

Fig. 4 is a circuit diagram of an embodiment of the present invention.

Wherein the reference numerals are: 100. a water level gauge; 1. a support; 101. a hoop body; 102. a support table; 103. a platen; 104. a support leg; 105. a slide rail; 106. a clamp; 107. a guide wheel strut; 108. a guide wheel; 109. a nip roll set; 110. a gasket; 2. a camera; 21. a light supplement lamp; 3. a drive assembly; 301. a driving wheel; 302. a driven wheel; 4. a contact set; 51. a clamping plate; 52. a boss; 53. a telescopic rod; 54. positioning a plate; 55. positioning blocks; 56. a delay cover; 561. an inner wall; 562. an outer wall; 563. and a water discharge pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1 to 4, the utility model provides a reservoir ground water level observation data acquisition device, its technical scheme is, including setting up the support 1 in observation tube department, fixed setting fluviograph 100 on the support 1, fluviograph 100 is the steel rule fluviograph, and support 1 outside is provided with the cover body, and support 1 includes two hoop bodies 101, and hoop body 101 is located the both sides of observing the mouth of pipe respectively, and one side that two hoop bodies 101 kept away from the observation tube all is provided with supporting bench 102, and supporting bench 102 includes the platen 103 and the stabilizer blade 104 of platen 103 lower part that set up horizontally;

the water level meter 100 is arranged on one support platform 102, the camera 2 is arranged on the other support platform 102, the lens of the camera 2 is arranged towards the water level meter 100, a data channel is formed between the camera and an upper computer, the existing digital camera can be directly adopted by the camera, the pictures acquired by the camera can be directly observed through adaptive monitoring software of the camera, and additional adjustment is not needed;

the roller side of the water level gauge 100 is provided with a drive assembly 3 for driving the roller of the water level gauge.

A slide rail 105 is arranged on a platen 103 of the support platform 102 provided with the camera 2, the slide rail 105 is connected with a slide block in a sliding manner, a camera supporting rod is arranged at the upper part of the slide block, the camera supporting rod is a telescopic rod, and the top end of the camera supporting rod is connected with the lower end of the camera 2 in a spherical hinge manner;

the light supplement lamp 21 is fixedly arranged at the upper part of the camera 2.

The driving assembly 3 comprises a motor, a driving wheel 301 is arranged on a motor shaft of the motor, a driven wheel 302 is arranged between the driving wheel 301 and a roller body of the water level gauge 100, the driving wheel 301 and the driven wheel 302 are friction wheels, and the driving wheel 301, the driven wheel 302 and the roller body of the water level gauge 100 are sequentially attached to each other.

An upper contact group and a lower contact group 4 are arranged on the sensing end of the water level gauge 100, the upper contact group SA1 is positioned on the upper part of the sensing end of the water level gauge 100, the lower contact group SA2 is positioned on the lower part of the sensing end, each contact group 4 comprises two metal contacts which are horizontally arranged, and the two metal contacts of each contact group 4 are respectively arranged towards one side far away from the sensing end of the water level gauge 100;

the upper and lower contact sets are electrically connected with the motor to form a control loop.

The upper contact set SA1 and the lower contact set SA2 are connected in series with the control end of the relay KA 1;

A normally closed contact of the relay KM2 is also connected in series between the normally open contact of the relay KA1 and the control end of the relay KM 1; the normally closed contact of the relay KM1 is connected in series between the normally closed contact of the relay KA2 and the control end of the relay KM 2.

The effect that this circuit connection form played is that when two contact group 4 all switched on or all switched off, the motor rotated with different directions respectively, and when only one contact group 4 switched on, then the motor stopped moving. The purpose of the setting is that when the two contact groups 4 are both opened, the induction end of the water level gauge is positioned above the liquid level, at the moment, the motor rotates to enable the induction end to move downwards, when the lower contact group SA2 sinks below the liquid level, the two contacts are conducted due to water, at the moment, the normally closed contact of the relay KA2 is opened, and therefore the motor stops moving. When the two contact groups 4 are both conducted, the induction end is wholly arranged under the liquid level, the motor drives the induction end to move upwards, and when the upper contact group SA1 is separated from the liquid level, the motor stops moving. Through the circuit of this scheme, when the device actual production equipment, need not to distinguish about the contact group, two contact group 4's upper and lower mounted position can exchange at will, greatly reduced the device production degree of difficulty.

Example 2

On the basis of embodiment 1, the device further comprises a clamping assembly for clamping the sensing end of the water level gauge 100, wherein the clamping assembly comprises an upper clamping plate 51 and a lower clamping plate 51 which are oppositely arranged, one sides of the two clamping plates 51 opposite to each other are provided with bosses 52, the bosses 52 are conical platforms, and one end with a smaller area of the boss 52 is abutted against the end part of the sensing end of the water level gauge 100; a through hole for passing through the sensing end of the water level gauge 100 is formed in the plate body of the clamping plate 51 positioned at the upper part;

the upper and lower clamping plates 51 are connected through a telescopic rod 53;

two arc-shaped positioning plates 54 are symmetrically arranged at the edge of the clamping plate 51, and one side of each positioning plate 54, which is far away from the boss 52, is provided with one contact of the contact group 4; an elastic positioning block 55 is arranged on one side of the positioning plate 54 facing the boss 52.

The contact group 4 of the device can be combined with the sensing end of most of the water level meters through the clamping assembly.

Example 3

On the basis of the embodiment 2, the periphery of the positioning plate 54 is provided with the delay hood 56, the delay hood 56 is bowl-shaped as a whole, and comprises an annular bottom plate, an inner wall 561 is arranged along the inner ring of the annular bottom plate, an outer wall 562 is arranged on the outer ring, a water collecting tank is formed between the inner wall 561 and the outer wall 562, and the contact of the contact group 4 penetrates through the inner wall 561 and extends to a position between the outer wall 562 and the inner wall 561;

the wash port has been seted up on the annular bottom plate, wash port below fixed connection drain pipe 563, the downside of drain pipe 563 sets up the check door, and the check door is for setting up the apron in drain pipe 563 below, and the edge of check door is articulated with drain pipe 563, and the area of check door is greater than the orificial area in drain pipe 563 bottom, and the range of injecing the check door through the stopper and opening is less than 45 degrees.

Two delay masks 56 are provided, corresponding to the upper and lower contact sets 4, respectively. When the whole ground water level liquid level top that is located of response end when fluviograph 100, the motor drives the fluviograph roll body and rotates to let the response end descend, after descending to the liquid level, because the effect of sheltering from of time delay cover 56, the contact group 4 that is located the lower part can not contact the liquid level the very first time, but after the response end descends to the liquid level and surpasss the up end of time delay cover 56, groundwater flows in time delay cover 56, thereby the contact group 4 that is located the lower part switches on.

On the contrary, if the whole sensing end is immersed below the liquid level, when the sensing end rises, the motor stops rotating without just separating from the liquid level because of the horizontal position of the upper contact group 4, but after the sensing end leaves the liquid level, until the bottom end of the drain pipe 563 separates from the liquid level, at this moment, the one-way door is opened, the water in the delay cover 56 is discharged from the drain pipe 563, until the water level in the delay cover 56 is reduced to be below the upper contact group 4, and the motor stops running.

The structure of the simple delay cover 56 replaces a delay circuit, the complexity of the circuit is reduced, the circuit cost is saved, and the action change of the motor caused by the fact that the contact of the contact group 4 just reaches the level position of the liquid level can not be caused due to the relation of the delay cover 56. If the delay cover 56 is not provided, the motor stops when the lower contact group 4 just contacts the liquid level, and if the liquid level slightly fluctuates at the moment, the motor is repeatedly started and stopped due to unstable on-off of the contact group 4. Therefore, by adding the delay hood 56 with a simple structure, on one hand, the stability and the accuracy of the underground water level observation are ensured, and on the other hand, the service life of the motor is prolonged.

Example 4

On the basis of the above embodiment, the clamp 106 is arranged on the bedplate 103 of the water level gauge 100 corresponding to the water level gauge 100, the clamp 106 comprises two fixing blocks arranged in parallel, two clamping blocks are symmetrically arranged on the inner sides of the fixing blocks, a screw rod is rotatably connected to one side of each clamping block facing the outer side of the bedplate 103, a screw hole is formed in the fixing block corresponding to the screw rod, the screw rod is in threaded connection with the fixing blocks, and an adjusting knob is arranged at one end, far away from the clamping blocks, of the screw rod.

The hoop body 101 at the side where the water level gauge 100 is arranged is provided with a guide assembly, the guide assembly comprises a guide wheel support rod 107 fixedly connected with the upper surface of the hoop body 101 at the side, and the guide wheel support rod 107 extends to the middle position above the observation pipe and is provided with a roller 108.

The upper portion of the guide wheel supporting rod 107 is provided with a clamping roller group 109, the clamping roller group 109 comprises two horizontally arranged clamping rollers, the two clamping rollers are arranged up and down, one clamping roller is a fixed roller, the other clamping roller is a movable roller, the movable roller is driven by an electromagnetic push rod, and the control end of the electromagnetic push rod is electrically connected with the relay KA 2.

When relay KA 2's coil circular telegram, the electromagnetism push rod drives the movable roll and presss from both sides the steel ruler that is located between two pinch rolls of pinch roll set 109, and when KA 2's coil outage, the electromagnetism push rod drives the movable roll and removes, lets the steel ruler between movable roll and the fixed roll can the free motion.

Example 5

On the basis of the embodiment, a cover body is arranged outside the support 1, the inner wall of the cover body is provided with an electric heating wire, the cover body is provided with air holes, and a drying box is arranged on the inner wall of the cover body at the position of the air inlet hole.

The supporting leg 104 is a telescopic rod body, the movable end and the fixed end of the supporting leg are locked through a locking bolt, and the bottom of the supporting leg 104 is sleeved with a gasket 110.

The bottom end of the foot 104 is threaded with an inverted conical insert, which can be screwed into the bottom end of the foot 104 and provided with a washer 110 when the ground on which the device is placed is soft. Thereby improving the stability of the foot 104.

Example 6

On the basis of the above-mentioned embodiment, follow driving wheel 302 and set up two, two are coaxial between the driving wheel 302 and set up the line roller, and centre gripping subassembly upper end sets up the steel chi, is connected with the line roller through steel chi and cable, and steel chi and cable winding are on the line roller from between driving wheel 302.

Connect centre gripping subassembly and fluviograph 100's response end during the use, all pass pinch roller set 109 with fluviograph 100's steel chi and the cable that the centre gripping subassembly corresponds, it is intraductal to extend to the observation through leading wheel 108, and the orientation of adjustment camera 2 makes its scale that can gather the steel chi. When the clamping assembly is installed, the position relation between the clamping assembly and the two steel rulers of the water level gauge 100 can be properly adjusted, so that the camera 2 can be observed, the specific position relation can also be arranged when the clamping roller set 109 passes through, for example, the two steel rulers can be arranged in a back direction, if the induction end is twisted under the liquid level, and under the clamping of the clamping roller set 109, the data of one of the steel rulers can be observed by the camera 2 at least.

Because the device is provided with the steel ruler, the device can also be used as an independent underground water level observation device.

And as the extension of scheme, this device also can combine with current long-range water level observation class device, is in order to let the centre gripping subassembly centre gripping on its response end equally, gathers the data on the centre gripping subassembly steel rule through camera 2, compares the data that long-range water level observation device fed back to ensure the accuracy of data, if the data that this device camera was gathered, and the difference of feeding back data with long-range water level observation device is very big, then need go the witnessed inspections, whether one of them side breaks down.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The reservoir groundwater level observation data acquisition device comprises a support (1) arranged at an observation pipe, a water level gauge (100) is fixedly arranged on the support (1), and a cover body is arranged outside the support (1), and is characterized in that the support (1) comprises two hoop bodies (101), the hoop bodies (101) are respectively positioned at two sides of an observation pipe opening, one sides of the two hoop bodies (101) far away from the observation pipe are respectively provided with a support platform (102), and the support platform (102) comprises a horizontally arranged platen (103) and support legs (104) at the lower part of the platen (103);

the water level meter (100) is arranged on one support platform (102), the camera (2) is arranged on the other support platform (102), the lens of the camera (2) is arranged towards the water level meter (100), and a data channel is formed between the camera and an upper computer;

a driving component (3) for driving the roller body of the water level gauge is arranged on one side of the roller body of the water level gauge (100);

the supporting leg (104) is a telescopic rod body, the movable end and the fixed end of the supporting leg are locked through a locking bolt, and the bottom of the supporting leg (104) is sleeved with a gasket (110); the bottom end of the supporting leg (104) is connected with the insert block of the inverted cone body in a threaded mode.

2. The reservoir groundwater level observation data acquisition device according to claim 1, wherein a slide rail (105) is arranged on a platen (103) of the support platform (102) provided with the camera (2), the slide rail (105) is connected with a slide block in a sliding manner, a camera support rod is arranged at the upper part of the slide block, the camera support rod is a telescopic rod, and the top end of the camera support rod is connected with the lower end of the camera (2) in a spherical hinge manner;

and a light supplement lamp (21) is fixedly arranged at the upper part of the camera (2).

3. The device for acquiring the observation data of the underground water level of the reservoir as claimed in claim 1, wherein the driving assembly (3) comprises a motor, a driving wheel (301) is arranged on a motor shaft of the motor, a driven wheel (302) is arranged between the driving wheel (301) and a roller body of the water level gauge (100), both the driving wheel (301) and the driven wheel (302) are friction wheels, and the driving wheel (301), the driven wheel (302) and the roller body of the water level gauge (100) are sequentially attached.

4. The device for acquiring the observed data of the underground water level of the reservoir as claimed in claim 3, wherein two upper and lower contact sets (4) are arranged on the sensing end of the water level gauge (100), the upper contact set SA1 is positioned on the upper part of the sensing end of the water level gauge (100), the lower contact set SA2 is positioned on the lower part of the sensing end, each contact set (4) comprises two metal contacts which are horizontally arranged, and the two metal contacts of each contact set (4) are respectively arranged towards the side far away from the sensing end of the water level gauge (100);

5. The device for acquiring the observed data of the underground water level of the reservoir as claimed in claim 4, wherein said upper contact set SA1 and lower contact set SA2 are connected in series with the control terminal of the relay KA 1;

6. The device for acquiring the observation data of the underground water level of the reservoir according to claim 5, further comprising a clamping assembly for clamping the sensing end of the water level gauge (100), wherein the clamping assembly comprises an upper clamping plate (51) and a lower clamping plate (51) which are oppositely arranged, a boss (52) is arranged on one side, opposite to the two clamping plates (51), of each clamping plate (51), the boss (52) is a conical table, and one end, with a smaller area, of the boss (52) abuts against the end part of the sensing end of the water level gauge (100);

the upper clamping plate (51) and the lower clamping plate (51) are connected through a telescopic rod (53);

two arc-shaped positioning plates (54) are symmetrically arranged at the edge of the clamping plate (51), and one side of each positioning plate (54) far away from the boss (52) is provided with one contact of the contact group (4); one side of the positioning plate (54) facing the boss (52) is provided with an elastic positioning block (55).

7. The device for acquiring the observation data of the underground water level of the reservoir as claimed in claim 6, wherein the positioning plate (54) is provided at the periphery thereof with a delay hood (56), the delay hood (56) is bowl-shaped as a whole and comprises an annular bottom plate, an inner wall (561) is arranged along the inner ring of the annular bottom plate, an outer wall (562) is arranged at the outer ring, and the contacts of the contact group (4) extend through the inner wall (561) to the position between the outer wall (562) and the inner wall (561);

a drain hole is formed in the annular bottom plate, a drain pipe (563) is fixedly connected below the drain hole, and a one-way door is arranged on the lower side of the drain pipe (563).

8. The device for acquiring the observation data of the underground water level of the reservoir according to claim 1, wherein a clamp (106) is arranged on a platen (103) of the water level gauge (100) and corresponds to the water level gauge (100), the clamp (106) comprises two fixed blocks which are arranged in parallel, two clamping blocks are symmetrically arranged on the inner side of each fixed block, a screw rod is rotatably connected to one surface, facing the outer side of the platen (103), of each clamping block, a screw hole is formed in the corresponding screw rod on each fixed block, the screw rod is in threaded connection with the fixed blocks, and an adjusting knob is arranged at one end, away from the clamping blocks, of.

9. The device for acquiring the observation data of the underground water level of the reservoir according to claim 1, wherein a guide assembly is arranged on the hoop body (101) at the side where the water level gauge (100) is arranged, the guide assembly comprises a guide wheel support rod (107) fixedly connected with the upper surface of the hoop body (101) at the side, and the guide wheel support rod (107) extends to the middle position above the observation pipe and is provided with a roller (108).