CN219956656U - Underground water level measuring device for hydraulic and hydroelectric engineering investigation - Google Patents
Underground water level measuring device for hydraulic and hydroelectric engineering investigation Download PDFInfo
- Publication number
- CN219956656U CN219956656U CN202320567596.8U CN202320567596U CN219956656U CN 219956656 U CN219956656 U CN 219956656U CN 202320567596 U CN202320567596 U CN 202320567596U CN 219956656 U CN219956656 U CN 219956656U
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- water level
- pull rope
- level measuring
- measuring device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000011835 investigation Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007667 floating Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 abstract description 18
- 238000005553 drilling Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 239000003673 groundwater Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 9
- 239000012634 fragment Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The utility model discloses a subsurface water level measuring device for hydraulic and hydroelectric engineering investigation, which comprises a pull rope, a measuring mechanism, a weight, a swinging arm and a limiting device, wherein the pull rope is arranged on the bottom of the measuring mechanism; the measuring mechanism is arranged on the pull rope; the pull rope is provided with a measuring mechanism, and the weight is arranged at one end of the pull rope; the outside of the weight is provided with a swing arm which is movably opened and closed through a hinge rod. The utility model has the beneficial effects that when the weight moves in the water level measurement drilling hole, the weight is ensured to be kept between the swinging arms, the center line of the weight is basically coaxial with the water level measurement drilling hole, so that in the downward movement process of the weight, even if the weight is influenced by the fluctuation of groundwater, the position deviation can not be generated, the phenomenon of inclination of a pull rope is further caused, the swinging of the floating ring is generated to a certain extent by the elastic propping force of the spring, the swinging arms can be unfolded and unfolded, the water level measurement drilling holes adapting to different sizes are realized for measurement, and the water level measurement operation is simpler.
Description
Technical Field
The utility model relates to the field of measuring devices, in particular to an underground water level measuring device for hydraulic and hydroelectric engineering investigation.
Background
When the hydraulic and hydroelectric engineering is constructed, the water level condition of the underground water needs to be measured, namely, a drill hole communicated with the underground water is drilled in a region to be measured, and then the water level measuring device is used for penetrating into the drill hole, so that the water level condition in the drill hole is measured.
The utility model discloses a water conservancy and hydropower engineering investigation is with underground water level measuring device through retrieving chinese patent publication number CN216791321U, including measuring the main part, it includes the stay cord to measure the main part, buoyancy board, shell fragment and pouring weight, the lower extreme fixed connection of stay cord is in the upper end of pouring weight, buoyancy board slip cap is in the stay cord outside, shell fragment symmetry fixed connection is in the lower extreme, the outer wall at the stay cord is extruded to the lower extreme of shell fragment, it still includes the mark dog to measure the main part, mark dog evenly distributed is at the outer wall of stay cord, mark dog and stay cord fixed connection, mark dog and buoyancy board and shell fragment sliding contact, the upper end fixedly connected with of measuring the main part receives the line main part, it includes the take-up roller to receive the line main part, a motor, fixing base and fixed pile.
When the groundwater measuring device in the prior art is used for measuring the water level, the pulling rope is released, the weight enters the drilling water body to keep the pulling rope in a straight state, but when groundwater flows or the groundwater fluctuates, the weight can possibly deviate in the process of extending into the water body, the pulling rope is inclined, and therefore the position of the measuring main body on the pulling rope is deviated to a certain extent, and the water level measuring precision is affected. Therefore, how to ensure that the weight does not generate transverse deviation in the process of extending into the water body is a problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides an underground water level measuring device for hydraulic and hydroelectric engineering investigation.
The utility model adopts the following technical scheme:
the underground water level measuring device for the hydraulic and hydroelectric engineering investigation comprises a pull rope, a measuring mechanism, a weight, a swinging arm and a limiting device; the measuring mechanism is arranged on the pull rope; the pull rope is provided with a measuring mechanism, and the weight is arranged at one end of the pull rope; a swing arm is arranged at the outer side of the weight, and the swing arm is movably opened and closed through a hinge rod; one end of the pull rope is provided with a weight, the pull rope is provided with a measuring mechanism, the pull rope body is marked with distance scales, the outer side of the weight is provided with a plurality of swinging arms, the swinging arms are connected with a movable shaft of a hinge rod, and the wall of a hole for measuring the water level is attached to the hole to be opened and closed.
Further, a limiting device is arranged at the top end of the weight, and the swing arm is connected with the limiting device through the hinge rod; the limiting device can control the opening and closing sizes of the swing arms connected with the hinge rods.
Further, one end of the pull rope is wound on the wire spool, and the wire spool is connected with a motor for controlling forward and reverse rotation through a bracket; the rope is unreeled and reeled through the wire spool driven by the motor.
Further, the measuring mechanism comprises a buoyancy plate, an elastic clamping piece and scale marks; the elastic clamping piece is arranged below the buoyancy plate and is clamped around the pull rope, and the clamping force of the elastic clamping piece is smaller than the buoyancy borne by the buoyancy plate and larger than the weight of the buoyancy plate; in the rope releasing process, when the buoyancy plate contacts the water surface, the buoyancy plate always floats above the water surface, the elastic clamping piece below the buoyancy plate is clamped on the rope body of the pull rope, the pull rope is pulled by the lower weight to continuously extend downwards, the elastic clamping piece floats on the water surface along with the buoyancy plate, at the moment, relative displacement occurs between the elastic clamping piece and the weight, when the weight reaches the bottom of a hole, the relative displacement stops, and at the moment, the scale of the rope body where the elastic clamping piece is positioned, namely the current water level depth; when the pull rope is recovered, the elastic clamping piece can be maintained at the rope body position during previous water entering measurement due to the clamping force of the elastic clamping piece.
Further, the limiting device comprises a limiting ring, a fixed column, a spring and a floating ring, wherein the spring is sleeved on the fixed column, one end of the spring is abutted with the limiting ring, the other end of the spring is abutted with the floating ring, and the floating ring is movably connected with the hinge rod; the elastic expansion and contraction of the spring are utilized, and the opening and closing of the swing arm is controlled through the hinge rod.
Further, one end of the swing arm is connected with the weight, and the other end of the swing arm is provided with a roller; in the auxiliary measuring process in the water level measuring drill hole, the weight with the swinging arm can freely and smoothly enter and exit when the rope is pulled and released, the weight cannot be blocked in the measuring drill hole due to excessive stretching of the swinging arm, and the plurality of symmetrically arranged swinging arms can ensure that the axial position of the center weight is not deviated.
Further, the limiting device controls the maximum arm spreading distance of the swing arm to be smaller than the diameter of the water level measurement drilling hole; the weight is ensured to be positioned at the center of the water level measurement drilling hole in the rope releasing process, and the swinging arm is attached to the inner wall of the drilling hole, so that the effect of supporting the weight in the releasing process is achieved.
Further, a pressure sensor is arranged at the bottom of the weight; when the weight touches the bottom of the water level measuring drill hole, the pressure sensor collects the pressure signal triggered by the weight of the weight, and can provide an effective bottoming signal to provide an operation indication for the measuring operator on the hole.
The underground water level measuring device for hydraulic and hydroelectric engineering investigation has the beneficial effects that when the weight moves into the water level measuring drilling hole, the roller contacts the wall of the water level measuring drilling hole, so that the weight is kept between the plurality of swinging arms to at least a certain extent, namely, the center line of the weight is basically coaxial with the water level measuring drilling hole, so that in the downward moving process of the weight, even if the weight is affected by the fluctuation of underground water, the position deviation is not generated, the pulling rope is inclined, and in addition, as the plurality of swinging arms can swing to a certain extent through the elastic propping force of the spring to the floating ring, the swinging arms can retract and open, the water level measuring drilling holes with different sizes are adapted to measurement, and in addition, the water level measuring operation is simpler and more convenient through the arrangement of the measuring mechanism
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic structural view of a limiting device of the present utility model.
The sequence numbers marked in the figures are represented as follows: 1-motor, 2-support, 3-wire reel, 4-elastic clamping piece, 5-hinge rod, 6-buoyancy board, 7-water level measurement drilling, 8-stay cord, 9-gyro wheel, 10-swing arm, 11-pouring weight, 12-spacing ring, 13-fixed column, 14-spring, 15 floating ring.
Description of the embodiments
The utility model is described in further detail below with reference to figures 1, 2 and the detailed description.
Referring to fig. 1-2, a groundwater level measuring device for hydraulic and hydroelectric engineering investigation comprises a paying-off mechanism for winding and unwinding a pull rope 8 with a weight 11 connected to the lower end, wherein the paying-off mechanism comprises a support frame 2, the support frame 2 is rotatably connected with a wire spool 3 through a rotating shaft, the pull rope 8 is wound on the wire spool 3, the rotating shaft is rotated by a gear motor 1 driver arranged on the support frame 2 to realize winding and unwinding of the pull rope 8 by the wire spool 3, the gear motor 1 is externally connected with a power supply, and an external controller is used for controlling the forward and reverse rotation and start-stop of the gear motor 1, during measurement, the gear motor 1 is started firstly to rotate and drive the wire spool to rotate, so that the wire spool pays off the pull rope, the weight can extend into a pre-drilled water level measurement borehole, a measuring mechanism is arranged on the pull rope 8, and when the weight moves into the water level measurement borehole, the water level measurement is carried out by the measuring mechanism, in particular, the measuring mechanism comprises a sliding sleeve movably sleeved on a pull rope 8, the sliding sleeve can freely slide on the pull rope 8, a buoyancy plate 6 is sleeved on the sliding sleeve, two elastic clamping pieces 4 are symmetrically arranged on the lower end surface of the sliding sleeve along the axial direction of the sliding sleeve, the lower ends of the two elastic clamping pieces 4 jointly clamp the pull rope 8, a plurality of liquid level scale marks are arranged on the pull rope 8, the sliding sleeve is matched with the liquid level scale marks for use, as the two elastic clamping pieces 4 can clamp the pull rope, the sliding sleeve and the pull rope have a certain resistance, the sliding sleeve cannot slide on the pull rope under the external force except the action of gravity, and when the weight is sunk into the water level measurement drilling hole 7, the buoyancy plate is influenced by buoyancy, so that the pull rope and the sliding sleeve can relatively slide, the buoyancy force is larger than the clamping force of the two elastic clamping sheets to the pull rope, so that the sliding sleeve moves, the sliding sleeve and the pull rope move relatively along with the downward movement of the weight, a plurality of liquid level scale marks are arranged on the pull rope, when the sliding sleeve slides, the liquid level scale mark corresponding to the lower edge of the sliding sleeve is the underground water level, the distance between the weight and the connecting end of the pull rope is considered when the liquid level scale mark is designed, the measured liquid level is ensured to be more accurate, when the pull rope is taken out from the water level measuring drill hole, the clamping force of the two elastic clamping sheets influences, the sliding sleeve is clamped on the pull rope, so that a worker can read the liquid level scale mark corresponding to the sliding sleeve on the pull rope, in addition, the weight 11 is provided with a limiting mechanism, the limiting mechanism is used for transversely limiting the downward moving process of the weight 11 to avoid displacement of the weight, and comprises a plurality of swinging arms 10 symmetrically hinged on the weight 11 along the central line of the weight 11, one ends of the swinging arms 10 far away from the weight 11 are rotationally connected with idler wheels 9, the top of the weight 11 is fixedly connected with a fixed column 13, the fixed column 13 is coaxial with the central line of the weight 11, the lower end of a pull rope 8 is connected on the fixed column 13, a floating ring 15 capable of freely sliding up and down is sleeved on the fixed column 13, a plurality of hinge rods 5 are hinged on the floating ring 15, one ends of the hinge rods 5 far away from the floating ring 15 are correspondingly hinged on the plurality of swinging arms 10, springs 14 are sleeved on the fixed column 13, limiting rings 12 are sleeved at the upper ends of the fixed column 13, the two ends of the spring 14 are respectively elastically abutted against the limiting rings 12 and the floating ring 15 in the direction of elasticity, when the weight moves in the water level measuring drilling 7, the idler wheels contact with the wall of the water level measuring drilling hole, therefore, the weight can be kept between the plurality of swinging arms to a certain extent, namely, the center line of the weight and the water level measurement drilling hole are basically kept coaxial, so that in the downward movement process of the weight, even if the weight is affected by groundwater fluctuation, the position deviation cannot be generated, and further, the stay rope is inclined, and in addition, the plurality of swinging arms can swing to a certain extent through the elastic propping force of the spring to the floating ring, so that the swinging arms can be folded and unfolded, and the water level measurement drilling hole adapting to different sizes is realized for measurement.
In addition, a pressure sensor can be embedded at the bottom of the weight 11, so that when the weight 11 contacts the bottom of a hole of a drilled hole, the pressure sensor contacts the bottom of the hole and generates a pressure signal, the pressure signal of the pressure sensor is transmitted to external computer equipment through a cable, the external computer equipment receives the pressure signal, the weight is judged to move down to the proper position, and the action of the paying-off mechanism is stopped at the moment, so that the liquid level measured by the measuring mechanism is the liquid level of the drilled hole at the moment.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (8)
1. The underground water level measuring device for the hydraulic and hydroelectric engineering investigation is characterized by comprising a pull rope, a measuring mechanism, a weight, a swinging arm and a limiting device; the measuring mechanism is arranged on the pull rope; the pull rope is provided with a measuring mechanism, and the weight is arranged at one end of the pull rope; the outside of the weight is provided with a swing arm which is movably opened and closed through a hinge rod.
2. The underground water level measuring device for water conservancy and hydropower engineering investigation according to claim 1, wherein a limiting device is arranged at the top end of the weight, and the swing arm is connected with the limiting device through the hinge rod.
3. The underground water level measuring device for water conservancy and hydropower engineering investigation according to claim 1, wherein one end of the pull rope is wound on a wire spool, and the wire spool is connected with a motor for controlling forward and reverse rotation through a bracket.
4. The underground water level measuring device for water conservancy and hydropower engineering investigation according to claim 1, wherein the measuring mechanism comprises a buoyancy plate, an elastic clamping piece and scale marks; the elastic clamping piece is arranged below the buoyancy plate and clamped around the pull rope, and the clamping force of the elastic clamping piece is smaller than the buoyancy borne by the buoyancy plate and larger than the weight of the buoyancy plate.
5. The underground water level measuring device for water conservancy and hydropower engineering investigation according to claim 1, wherein the limiting device comprises a limiting ring, a fixed column, a spring and a floating ring, wherein the spring is sleeved on the fixed column, one end of the spring is abutted with the limiting ring, the other end of the spring is abutted with the floating ring, and the floating ring is movably connected with the hinge rod.
6. The underground water level measuring device for water conservancy and hydropower engineering investigation according to claim 1, wherein one end of the swing arm is connected with the weight, and the other end of the swing arm is provided with a roller.
7. The underground water level measuring device for water conservancy and hydropower engineering investigation according to claim 1, wherein the limiting device controls the maximum arm extension distance of the swing arm to be smaller than the diameter of the water level measuring drill hole.
8. The underground water level measuring device for water conservancy and hydropower engineering investigation according to claim 1, wherein a pressure sensor is arranged at the bottom of the weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320567596.8U CN219956656U (en) | 2023-03-15 | 2023-03-15 | Underground water level measuring device for hydraulic and hydroelectric engineering investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320567596.8U CN219956656U (en) | 2023-03-15 | 2023-03-15 | Underground water level measuring device for hydraulic and hydroelectric engineering investigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956656U true CN219956656U (en) | 2023-11-03 |
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ID=88539884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320567596.8U Active CN219956656U (en) | 2023-03-15 | 2023-03-15 | Underground water level measuring device for hydraulic and hydroelectric engineering investigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956656U (en) |
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2023
- 2023-03-15 CN CN202320567596.8U patent/CN219956656U/en active Active
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