CN210426706U - Drilling underground water level measuring device - Google Patents

Abstract

The utility model discloses a drilling ground water level measuring device, including fixed subassembly, sliding assembly, measuring subassembly and obstacle-preventing subassembly, fixed subassembly is located the top of drilling, two winder and two pulleys and fixed subassembly fixed connection, each winding group twines in each winder, and with each pulley sliding connection, first floating plate and two winding group fixed connection, winding group has the scale, first connecting piece and first floating plate fixed connection, counterweight and first connecting piece fixed connection, the moving member rotates with counterweight and is connected, each elastic component and each moving member and counterweight fixed connection, and be located between moving member and the counterweight, first driving piece is located first floating plate, the rotating member is connected with first driving piece transmission, and run through first floating plate, towards one side of counterweight. The rotating piece removes sundries on the side wall of the drilled hole, so that the first floating plate floats on the water surface, and the scale reading is carried out to accurately measure the water level depth.

Description

Drilling underground water level measuring device

Technical Field

The utility model relates to a drilling water level measurement technical field especially relates to a drilling ground water level measuring device.

Background

The rock soil is a general name of any kind of rock and soil forming the earth crust from the viewpoint of engineering construction, the rock soil can be subdivided into five categories of hard rock, secondary hard rock, soft weak connection, loose connection and special components, structures, states and properties, a drilling device is utilized to drill cylindrical round holes with smaller diameter and larger depth into the underground, the cylindrical round holes are also called drilling wells, water level measurement in rock soil drilling holes is the basis of design and construction, if the water level measurement is not accurate enough, the design scheme of the building can be unreasonable, so that a plurality of problems occur in the construction process of the engineering, and the quality and the safety performance of the engineering are reduced.

The existing multipurpose tape measure for measuring the underground water level of the drilled hole extends into the inner wall of the drilled hole to measure, and the measuring accuracy is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling ground water level measuring device aims at solving current drilling ground water level and measures multi-purpose tape measure and stretch into the drilling inner wall and measure, measures the problem that the rate of accuracy is low.

To achieve the above object, the present invention provides a drilling groundwater level measuring device, comprising a fixing component, a sliding component, a measuring component and an obstacle component, wherein the fixing component is located above a drilling hole, the sliding component comprises reels, pulleys and a winding set, the number of the reels, the pulleys and the winding set is two, the two reels and the two pulleys are fixedly connected with the fixing component and located above the drilling hole, each winding set is wound on each reel and slidably connected with each pulley, the winding set has scales, the measuring component comprises a first floating plate, a first connecting member and a counterweight member, the first floating plate is fixedly connected with the two winding sets and located in the drilling hole, the first connecting member is fixedly connected with the first floating plate and located on one side away from the winding set, the counterweight with first connecting piece fixed connection to be located and keep away from one side of first kickboard, the obstacle prevention subassembly includes moving member, elastic component, first driving piece and rotation piece, the moving member with the counterweight rotates to be connected, and is located counterweight is towards drilling inner wall one side, the quantity of elastic component with the quantity of moving member equals, each the elastic component with each the moving member with counterweight fixed connection, and be located the moving member with between the counterweight, first driving piece is located in the first kickboard, rotate the piece with first driving piece transmission is connected, and runs through first kickboard, orientation one side of counterweight.

Wherein, the rotation piece includes axis of rotation, sensor and blade, the axis of rotation with the output transmission of first driving piece is connected, and is located the orientation one side of counterweight, the sensor is located in the axis of rotation, and be located and keep away from one side of first kickboard, the quantity of blade is a plurality of, and is a plurality of the blade with axis of rotation integrated into one piece, and follow axis of rotation axis spiral sets up.

Wherein, prevent that the obstacle subassembly still includes first inserted bar, horizontal pole and second inserted bar, first inserted bar with counterweight fixed connection, and be located the moving member is kept away from one side of elastic component, the horizontal pole with first inserted bar integrated into one piece, and with first inserted bar is perpendicular, the quantity of second inserted bar is two at least, the second inserted bar with horizontal pole integrated into one piece, and use first inserted bar sets up as the central line mirror image.

The measuring assembly further comprises a second floating plate, the second floating plate is fixedly connected with the first floating plate and located on one side, away from the winding group, of the first floating plate, the second floating plate is provided with through holes, the number of the through holes is equal to that of the rotating shafts, and the rotating shafts penetrate through the through holes.

The measuring assembly further comprises a waterproof layer, and the waterproof layer wraps the first floating plate and the second floating plate.

The drilling underground water level measuring device further comprises two second driving pieces, a counter and a display, wherein the number of the second driving pieces is two, each second driving piece is in transmission connection with each winder, the counter is electrically connected with the two second driving pieces, and the display is electrically connected with the counter.

The fixing assembly comprises a first base, a second base and a second connecting piece, the first base and the second base are located on two sides of a drilled hole, the second connecting piece is fixedly connected with the first base and the second base, is fixedly connected with the winder and the pulley, and is located between the first base and the second base.

The first base is provided with a first sliding groove and a first groove, the first sliding groove is positioned on one side close to the second base, and the first groove is communicated with the first sliding groove and positioned on one side far away from the first connecting piece; the second base is provided with a second sliding groove, and the second sliding groove is positioned on one side close to the first base and is opposite to the first sliding groove.

The fixing assembly further comprises a first sliding plate and a second sliding plate, the first sliding plate is connected with the first base in a sliding mode and located in the first sliding groove, the second sliding plate is connected with the second base in a sliding mode and clamped with the first sliding plate and located in the second sliding groove, the first sliding plate is provided with a second groove, and the second groove is located on one side close to the first connecting piece.

The fixing assembly further comprises a supporting piece and a sliding piece, the supporting piece is fixedly connected with the first sliding plate and is located on one side far away from the first connecting piece, and the sliding piece is fixedly connected with the supporting piece, is located on one side far away from the first sliding plate and is located in the first groove.

The utility model discloses a drilling groundwater level measuring device, through the fixed subassembly is located the top of drilling, two winder and two pulleys with fixed subassembly fixed connection, and be located the top of drilling, each winding group twines in each winder, and with each pulley sliding connection, winding group has the scale, first floating plate and two winding group fixed connection, first connecting piece with first floating plate fixed connection, counterweight with first connecting piece fixed connection, the moving member with the counterweight rotates to be connected, and is located the counterweight is towards drilling inner wall one side, each elastic component with each moving member and counterweight fixed connection, and be located between the moving member and the counterweight, the first driving piece is located in the first floating plate, the rotating piece is in transmission connection with the first driving piece, penetrates through the first floating plate and faces one side of the counterweight piece. The counterweight is with dead weight free fall, the moving member runs into drilling lateral wall debris, the elastic component compression, it clears away debris to rotate the piece, first kickboard is in continue the whereabouts under the drive of counterweight, until first kickboard floats on the surface of water, through the scale of winding group can know the water level degree of depth, has improved drilling groundwater level measuring accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the device for measuring the underground water level in a drilled hole according to the present invention;

FIG. 2 is a partial enlarged view A of FIG. 1;

FIG. 3 is a schematic structural view of the device for measuring the underground water level in a drilled hole of the present invention in another direction;

FIG. 4 is an elevation view of the borehole groundwater level measuring apparatus of the present invention;

FIG. 5 is a rear view of the device for measuring the underground water level in a borehole of the present invention;

FIG. 6 is a bottom view of the device for measuring the level of underground water in a borehole of the present invention;

FIG. 7 is a left side view of the drilling ground water level measuring device of the present invention;

FIG. 8 is a top view of the borehole groundwater level measuring apparatus of the present invention;

FIG. 9 is a right side view of the borehole groundwater level measuring apparatus of the present invention;

FIG. 10 is a cross-sectional view B-B of FIG. 9;

in the figure: 100-drilling underground water level measuring device, 1-fixing component, 2-sliding component, 3-measuring component, 4-obstacle component, 5-second driving component, 6-counter, 7-display, 11-first base, 12-second base, 13-second connecting component, 14-first sliding plate, 15-second sliding plate, 16-supporting component, 17-sliding component, 21-reel, 22-pulley, 23-winding set, 31-first floating plate, 32-first connecting component, 33-counterweight component, 34-second floating plate, 35-waterproof layer, 41-moving component, 42-elastic component, 43-first driving component, 44-rotating component, 45-first inserted link, 46-cross link, 47-second inserted bar, 111-first runner, 112-first groove, 121-second runner, 141-second groove, 441-rotation axis, 442-sensor, 443-blade.

Detailed Description

Reference will now be made in detail to 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 function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for 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 "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 10, the present invention provides a drilling groundwater level measuring device 100, including a fixing assembly 1, a sliding assembly 2, a measuring assembly 3 and an obstacle assembly 4, wherein the fixing assembly 1 is located above a drilling hole, the sliding assembly 2 includes a reel 21, a pulley 22 and a winding set 23, the number of the reel 21, the pulley 22 and the winding set 23 is two, the two reels 21 and the two pulleys 22 are fixedly connected to the fixing assembly 1 and located above the drilling hole, each winding set 23 is wound around each reel 21 and slidably connected to each pulley 22, the winding set 23 has scales, the measuring assembly 3 includes a first floating plate 31, a first connecting member 32 and a weight member 33, the first floating plate 31 is fixedly connected to the two winding sets 23 and located in the drilling hole, the first connecting member 32 is fixedly connected to the first floating plate 31 and located at a side far from the winding set 23, the weight member 33 is fixedly connected to the first connecting member 32 and located at a side far from the first floating plate 31, the obstacle preventing assembly 4 includes a moving member 41, an elastic member 42, a first driving member 43 and a rotating member 44, the moving member 41 is rotatably connected to the weight member 33 and located at a side of the weight member 33 facing the inner wall of the borehole, the number of the elastic members 42 is equal to the number of the moving members 41, each of the elastic members 42 is fixedly connected to each of the moving member 41 and the weight member 33 and located between the moving member 41 and the weight member 33, the first driving member 43 is located in the first floating plate 31, and the rotating member 44 is in transmission connection with the first driving member 43 and penetrates through the first floating plate 31, towards the side of the weight 33.

In this embodiment, the fixing member 1 is located above the drilling hole, connected to the sliding member 2, and configured to support the sliding member 2, the measuring member 3 and the obstacle preventing member 4, the pulley 22 is a small wheel with a groove at its periphery and capable of rotating around a shaft, the winding groups 23 are composed of ropes or cables or chains, the winder 21 is configured to rotate in one direction to wind the winding groups 23 on the winder 21 and rotate in the opposite direction to separate the winding groups 23 from the winder 21, the two winding groups 23 are symmetrically disposed at two sides of the first floating plate 31, and have the same scale on both winding groups 23, the first floating plate 31 is made of EVA ethylene-vinyl acetate copolymer, and has the characteristics of water resistance, corrosion resistance, resilience and tensile strength, high toughness, and good shock resistance and buffering performance, the counterweight 33 is a counterweight, is located on the central line of the first floating plate 31, and is used for increasing the self weight to keep a balanced weight; the first connecting member 32 is used to connect the first floating plate 31 and the weight member 33. The moving member 41 may be a hardware plate member, and is rotatably connected to the weight member 33 via a hinge, and the elastic member 42 is a spring, which is a mechanical part that works by using elasticity. The part that makes with elastic material takes place to deform under the exogenic action, gets rid of the exogenic action and restores to the original state again, moving member 41 with the quantity of elastic component 42 is a plurality ofly, and is a plurality of moving member 41 is followed the distribution all around of counterweight 33, each the spring part with each moving member 41 fixed connection, first driving piece 43 is the Motor, and Motor (Motor) is the equipment that converts the electric energy into mechanical energy. The electromagnetic power generator utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque. The rotating member 44 is a soil drilling knife and can cut and crush rock and soil impurities.

The specific operation flow is as follows: the fixed assembly 1 is placed above a drill hole, the measuring assembly 3 and the obstacle-preventing assembly 4 are placed in the drill hole, the two reels 21 are rotated forwards and simultaneously, the two reels are paid off simultaneously, the two winding groups 23 slide on the two pulleys 22 respectively and extend inwards the drill hole, the measuring assembly 3 and the obstacle-preventing assembly 4 fall freely under the action of gravity, if the inner wall of the drill hole is not blocked by rock and soil with miscellaneous stones, the obstacle-preventing assembly 4 directly falls into the water, the first floating plate 31 floats on the water surface, the rotation of the two reels 21 is stopped, and the distance of the underground water level of the drill hole can be accurately known by reading scales on the two winding groups 23; when the measuring component 3 with prevent obstacle subassembly 4 free fall in-process under the action of gravity, if meet the blockking of the miscellaneous stone ground all around of drilling inner wall, because the reason of gravity, counterweight 33 can continue downstream, miscellaneous stone ground supports and holds moving member 41, elastic component 42 compresses, moving member 41 is to being close to one side removal of counterweight 33, it is in to rotate piece 44 the rotatory cutting of motion is smashed the miscellaneous stone in ground under the drive of first driving piece 43, and the miscellaneous stone in ground after the cutting is smashed freely falls in the drilling under the reason of gravity, this moment moving member 41 does not receive the exogenic action, elastic component 42 extends back to the normal position, wherein, moving member 41 with there is the clearance between the rotating piece 44, can not lead to rotating piece 44 is right moving member 41 carries out maloperation cutting and crushing. Repeat above-mentioned operation and cut the miscellaneous stone ground of drilling inner wall and smash, until prevent that obstacle subassembly 4 falls into the aquatic, first kickboard 31 floats in the surface of water, can read two scale on the winding group 23 accurately learns drilling ground water level measuring distance. Meanwhile, when the blocking of the miscellaneous rock soil is only on one side of the inner wall of the drilled hole, the winding distance of the winding group 23 is inconsistent, and the scales of the winding group 23 can be known by observing the two winding groups, so that an operator can be reminded of paying attention to the accuracy of the accurate measurement distance.

The utility model discloses a drilling ground water level measuring device 100, through fixed subassembly 1 is located the top of drilling, two winder 21 and two pulley 22 with fixed subassembly 1 fixed connection, and be located the top of drilling, each winding group 23 twines each winder 21, and with each pulley 22 sliding connection, winding group 23 has the scale, first floating plate 31 with two winding group 23 fixed connection, first connecting piece 32 with first floating plate 31 fixed connection, counterweight 33 with first connecting piece 32 fixed connection, moving member 41 with counterweight 33 rotates to be connected, and is located counterweight 33 is towards drilling inner wall one side, each elastic component 42 with each moving member 41 with counterweight 33 fixed connection, and is located between moving member 41 and the counterweight 33, the first driving member 43 is located in the first floating plate 31, and the rotating member 44 is in transmission connection with the first driving member 43 and penetrates through the first floating plate 31 and faces one side of the counterweight 33. The counterweight 33 freely falls under the dead weight, the moving member 41 encounters impurities on the side wall of the drilled hole, the elastic member 42 is compressed, the rotating member 44 rotates to remove the impurities, the first floating plate 31 is driven by the counterweight 33 to continuously fall until the first floating plate 31 floats on the water surface, the water level depth can be known through the scales of the winding group 23, and the accuracy of measuring the underground water level of the drilled hole is improved.

Further, the rotating member 44 includes a rotating shaft 441, a sensor 442 and a plurality of blades 443, the rotating shaft 441 is drivingly connected to the output end of the first driving member 43 and is located on a side facing the weight member 33, the sensor 442 is located in the rotating shaft 441 and is located on a side away from the first floating plate 31, the number of the blades 443 is plural, and the plurality of blades 443 are integrally formed with the rotating shaft 441 and are spirally arranged along the axis of the rotating shaft 441.

In the present embodiment, the rotation shaft 441 is a main member connected to a product part, and is used for rotating a shaft which is subjected to both bending moment and torque during operation; the sensor 442 is a pressure sensor 442 or a distance sensor 442 for sensing a distance or pressure between the sensor and an object to perform a predetermined function. The device 100 for measuring the groundwater level in a borehole further comprises a controller, wherein the controller is electrically connected with the sensor 442 and the first driving member 43, and the controller is a master control device for controlling the starting, speed regulation, braking and reversing of the motor by changing the wiring of the main circuit or the control circuit and changing the resistance value in the circuit according to a preset sequence. The device consists of a program counter 6, an instruction register, an instruction decoder, a time sequence generator and an operation controller, and is a 'decision mechanism' for issuing commands, wherein the blade 443 is used for cutting and crushing miscellaneous rock and soil; when the sensor 442 detects that the miscellaneous rock and soil reaches a preset distance or detects a preset pressure from the miscellaneous rock and soil, a preset signal is transmitted to the controller, and the controller controls the first driving piece 43 to drive the rotating shaft 441 to rotate, so that the plurality of blades 443 are driven to rotate to cut and crush the miscellaneous rock and soil. The obstacle is quickly treated, and the measuring speed is improved.

Further, the obstacle preventing assembly 4 further includes a first inserting rod 45, a cross rod 46 and a second inserting rod 47, the first inserting rod 45 is fixedly connected to the weight member 33 and located on one side of the moving member 41 away from the elastic member 42, the cross rod 46 is integrally formed with the first inserting rod 45 and perpendicular to the first inserting rod 45, the number of the second inserting rods 47 is at least two, the second inserting rods 47 are integrally formed with the cross rod 46, and the first inserting rods 45 are arranged in a mirror image mode as a center line.

In this embodiment, the number of the first insertion rods 45, the cross rods 46, and the second insertion rods 47 is plural, and the second insertion rods 47 are integrally formed with the cross rods 46 and are arranged in a mirror image with the first insertion rods 45 as a center line. Stable in structure and prolonged in service life. The first inserting rod 45, the cross rod 46 and the second inserting rod 47 are arranged, so that foreign rock soil with small inner wall volume and area and soft texture is removed firstly when meeting the drilled hole, the detection efficiency is improved, and the resources are saved.

Further, the measuring assembly 3 further includes a second floating plate 34, the second floating plate 34 is fixedly connected to the first floating plate 31 and is located on a side of the first floating plate 31 away from the winding group 23, and the second floating plate 34 has through holes, the number of the through holes is equal to the number of the rotating shafts 441, and the rotating shafts 441 pass through the through holes.

In the present embodiment, the second floating plate 34 is made of EVA ethylene-vinyl acetate copolymer, and has the characteristics of water resistance, corrosion resistance, high resilience and tensile strength, high toughness, and good shock resistance and buffering performance, and the arrangement of the through hole and the second floating plate 34 increases the buoyancy of the whole measuring assembly 3, and can float on the water surface, and at the same time, increases the distance from the first driving member 43 to the water surface, and prevents water from splashing into the instrument due to the gravity of the obstacle prevention assembly 4. The service life is prolonged.

Further, the measuring assembly 3 further comprises a waterproof layer 35, and the waterproof layer 35 wraps the first floating plate 31 and the second floating plate 34.

In this embodiment, the waterproof layer 35 is made of a waterproof material, and may be a rubber-plastic waterproof material, such as neoprene, butyl rubber, ethylene propylene diene monomer, polyvinyl chloride, polyisobutylene, and polyurethane; the internal elements in the first floating plate 31 can be protected from corrosion by water, and the overall service life of the drilling ground water level measuring device 100 is prolonged.

Further, the drilling underground water level measuring device 100 further comprises two second driving members 5, a counter 6 and a display 7, the number of the second driving members 5 is two, each second driving member 5 is in transmission connection with each reel 21, the counter 6 is electrically connected with the two second driving members 5, and the display 7 is electrically connected with the counter 6.

In the present embodiment, the second driving member 5, the counter 6 and the display 7 are all electrically connected to the controller, and the second driving member 5 is an electric motor, which is a device for converting electric energy into mechanical energy. The method utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque; the counter 6 counts the number of pulses to realize the functions of measurement, counting and control; the display 7 is a display tool for displaying a certain electronic file on a screen through a specific transmission device and reflecting the electronic file to human eyes. The second driving piece 5 drives winder 21 rotates, 6 record pivoted circles of counter calculate the number of circles and rotate the product of girth, transmit to display 7 shows alright know drilling ground water level measuring distance, and the machine is automatic to be wound and prevent line and calculation, reduces artifical labor rate, and efficient and rate of accuracy is high.

Further, the fixing assembly 1 includes a first base 11, a second base 12 and a second connecting member 13, the first base 11 and the second base 12 are located at two sides of the drilled hole, the second connecting member 13 is fixedly connected with the first base 11 and the second base 12, and is fixedly connected with the reel 21 and the pulley 22, and is located between the first base 11 and the second base 12.

In this embodiment, the first base 11 and the second base 12 are used to support the whole drilling ground water level measuring device 100, the second connecting member 13 is used to connect the first base 11 and the second base 12 and support the measuring assembly 3 and the obstacle assembly 4, universal wheels are arranged below the first base 11 and the second base 12, and the drilling ground water level measuring device 100 can be moved to different positions by pushing the first base 11 and the second base 12; the first base 11, the second base 12 and the second connecting piece 13 are stable in arrangement, do not need to be placed manually, and are high in safety performance.

Further, the first base 11 has a first sliding groove 111 and a first groove 112, the first sliding groove 111 is located at a side close to the second base 12, and the first groove 112 is communicated with the first sliding groove 111 and is located at a side far from the first connecting member 32; the second base 12 has a second sliding groove 121, and the second sliding groove 121 is located at a side close to the first base 11 and is opposite to the first sliding groove 111. The fixing assembly 1 further includes a first sliding plate 14 and a second sliding plate 15, the first sliding plate 14 is slidably connected to the first base 11 and is located in the first sliding groove 111, the second sliding plate 15 is slidably connected to the second base 12 and is engaged with the first sliding plate 14 and is located in the second sliding groove 121, the first sliding plate 14 has a second groove 141, and the second groove 141 is located on a side close to the first connecting member 32. The fixing assembly 1 further comprises a supporting member 16 and a sliding member 17, wherein the supporting member 16 is fixedly connected with the first sliding plate 14 and is located at a side far from the first connecting member 32, and the sliding member 17 is fixedly connected with the supporting member 16 and is located at a side far from the first sliding plate 14 and is located in the first groove 112.

In the present embodiment, the sliding member 17 includes a connecting rod fixedly connected to the support member 16 and rotatably connected to a universal wheel, and the universal wheel is frictionally connected to the ground. When the drilling underground water level distance measurement is needed, the first sliding plate 14 slides to the first sliding groove 111, the second sliding plate 15 slides to the second sliding plate 15, and the sliding part 17 is located in the first groove 112; when the underground water level distance measurement of drilling need not be carried out, first slide 14 roll-off first spout 111, second slide 15 roll-off second spout 121, first slide 14 with second slide 15 block is connected, support piece 16 supports first slide 14 with second slide 15, prevent that obstacle subassembly 4 can place in second recess 141, both can prevent obstacle subassembly 4 moves about accidentally injuring operating personnel, also can avoid obstacle subassembly 4 hangs in a long time, because the reason of gravity leads to winding group 23 elasticity increases, influences and measures the reading. Meanwhile, the universal wheels can be pushed to move the drilling underground water level measuring device 100, and the drilling underground water level measuring device is convenient and quick.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. A device for measuring the underground water level of a drilled hole is characterized in that,

the device comprises a fixed assembly, a sliding assembly, a measuring assembly and an obstacle prevention assembly, wherein the fixed assembly is positioned above a drilled hole, the sliding assembly comprises reels, pulleys and winding groups, the number of the reels and the number of the pulleys and the winding groups are two, the reels and the pulleys are fixedly connected with the fixed assembly and positioned above the drilled hole, each winding group is wound on each reel and is in sliding connection with each pulley, the winding groups are provided with scales, the measuring assembly comprises a first floating plate, a first connecting piece and a weight piece, the first floating plate is fixedly connected with the two winding groups and is positioned in the drilled hole, the first connecting piece is fixedly connected with the first floating plate and is positioned on one side far away from the winding groups, the weight piece is fixedly connected with the first connecting piece and is positioned on one side far away from the first floating plate, the obstacle preventing component comprises a moving part, an elastic part, a first driving part and a rotating part, wherein the moving part is connected with the counterweight part in a rotating mode and is located on one side of the counterweight part facing the inner wall of the drilled hole, the quantity of the elastic part is equal to that of the moving part, each elastic part is connected with each counterweight part, the moving part is fixedly connected with the counterweight part and is located between the moving part and the counterweight part, the first driving part is located in the first floating plate, the rotating part is connected with the first driving part in a transmission mode and penetrates through the first floating plate and faces one side of the counterweight part.

2. The borehole groundwater level measuring apparatus as recited in claim 1,

the rotation piece includes axis of rotation, sensor and blade, the axis of rotation with the output transmission of first driving piece is connected, and is located the orientation one side of counterweight, the sensor is located in the axis of rotation, and be located and keep away from one side of first kickboard, the quantity of blade is a plurality of, and is a plurality of the blade with axis of rotation integrated into one piece, and follow axis of rotation axis spiral sets up.

3. The borehole groundwater level measuring apparatus as recited in claim 1,

the obstacle prevention assembly further comprises a first inserted bar, a cross bar and a second inserted bar, the first inserted bar is fixedly connected with the counterweight and is located on one side of the elastic piece, the cross bar is integrally formed with the first inserted bar and is perpendicular to the first inserted bar, the number of the second inserted bar is at least two, and the second inserted bar is integrally formed with the cross bar and is arranged by taking the first inserted bar as a central line mirror image.

4. The borehole groundwater level measuring apparatus as recited in claim 2,

the measuring component further comprises a second floating plate, the second floating plate is fixedly connected with the first floating plate and located on one side, away from the winding group, of the first floating plate, the second floating plate is provided with through holes, the number of the through holes is equal to that of the rotating shafts, and the rotating shafts penetrate through the through holes.

5. The borehole groundwater level measuring apparatus as recited in claim 4,

the measuring assembly further comprises a waterproof layer, and the waterproof layer wraps the first floating plate and the second floating plate.

6. The borehole groundwater level measuring apparatus as recited in claim 1,

the drilling underground water level measuring device further comprises two second driving pieces, a counter and a display, the number of the second driving pieces is two, each second driving piece is in transmission connection with each winder, the counter is electrically connected with the two second driving pieces, and the display is electrically connected with the counter.

7. The borehole groundwater level measuring apparatus as recited in claim 1,

the fixed component comprises a first base, a second base and a second connecting piece, the first base and the second base are located on two sides of a drilled hole, and the second connecting piece is fixedly connected with the first base and the second base, is fixedly connected with the winder and the pulley and is located between the first base and the second base.

8. The borehole groundwater level measuring apparatus as recited in claim 7,

the first base is provided with a first sliding groove and a first groove, the first sliding groove is positioned at one side close to the second base, and the first groove is communicated with the first sliding groove and positioned at one side far away from the first connecting piece; the second base is provided with a second sliding groove, and the second sliding groove is positioned on one side close to the first base and is opposite to the first sliding groove.

9. The borehole groundwater level measuring apparatus as recited in claim 8,

the fixed component further comprises a first sliding plate and a second sliding plate, the first sliding plate is connected with the first base in a sliding mode and is located in the first sliding groove, the second sliding plate is connected with the second base in a sliding mode and is clamped with the first sliding plate and is located in the second sliding groove, the first sliding plate is provided with a second groove, and the second groove is located on one side close to the first connecting piece.

10. The borehole groundwater level measuring apparatus as recited in claim 9,

the fixing assembly further comprises a supporting piece and a sliding piece, the supporting piece is fixedly connected with the first sliding plate and is located on one side far away from the first connecting piece, and the sliding piece is fixedly connected with the supporting piece, is located on one side far away from the first sliding plate and is located in the first groove.

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