An underground borehole water level measuring device
By designing a retractable measuring tape and water level detector, combined with a base and guide wheels, the problem of inconvenient operation of borehole water level measuring devices in deep holes has been solved, achieving convenient, accurate water level measurement and stable readings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GEOPHYSICAL & GEOCHEMICAL SURVEY INSTITUTE OF HUNAN PROVINCE
- Filing Date
- 2025-07-08
- Publication Date
- 2026-06-12
AI Technical Summary
Existing borehole water level measurement devices are difficult to read accurately in deep holes and are inconvenient to operate. In particular, small devices need to be lifted to the surface to read the water level after measuring in deep holes, which affects accuracy and operational efficiency.
It adopts a retractable measuring tape combined with a water level detector, and uses a base, sliding plate and guide wheel to realize convenient deep hole water level measurement. The reading is given in real time through water immersion sensor and indicator light.
It enables convenient and reliable water level measurement inside boreholes, improves measurement accuracy and operational efficiency, ensures stable fixation of the device in deep holes, provides lighting assistance, and extends the service life of the measuring tape.
Smart Images
Figure CN224351949U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of geological engineering exploration equipment, specifically a ground borehole water level measuring device. Background Technology
[0002] Borehole water level measuring devices are mainly used in geological surveys to measure the height and location of water levels during underground drilling, and to monitor the water level inside the borehole. This ensures accurate understanding of groundwater level changes during engineering construction, geological exploration, or environmental monitoring, thereby guiding engineering design and construction. It also helps ensure the smooth progress of projects, avoid potential flood risks, and take corresponding prevention or control measures.
[0003] In the current process of borehole water level observation, due to the deep borehole and small opening, large or long rigid measuring equipment is difficult to carry and operate. After small measuring instruments are inserted into the borehole to complete the water level detection, they need to be lifted to the ground to complete the reading. Otherwise, the deep and dark borehole greatly affects the accuracy of the measurement and the reading operation. Utility Model Content
[0004] To address the above problems, this utility model provides an underground borehole water level measuring device, which utilizes a portable and easily stored measuring tape in conjunction with a water level detection element to achieve reliable and convenient water level measurement in deep underground boreholes.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] A ground borehole water level measuring device includes a base installed on the ground and a water level detector installed inside the borehole; the base has an opening in the middle above the borehole, a drum is installed on the base, and a graduated measuring tape is connected between the drum and the water level detector; the water level detector includes a water immersion sensor installed at its bottom, and an indicator light connected to the water immersion sensor is installed at the top of the water level detector.
[0007] As a further improvement to the above solution, the base is a circular ring, and the opening is a circular hole concentric with the base; horizontal grooves are provided on both sides of the opening, and a sliding plate that slides radially along the opening is provided in the groove; a tensioning plate is vertically provided on the sliding plate near the opening, and a fixing member for fixing the sliding plate is provided on the base.
[0008] As a further improvement to the above solution, the sliding plate is provided with a limiting block that cannot pass through the limiting groove at the end away from the opening; the surface of the sliding plate is provided with a limiting groove at the corresponding position of the fixing member, and the fixing member is a fastening bolt.
[0009] As a further improvement of the above solution, a "C"-shaped protective shell is provided outside the water level detector of the water immersion sensor, and the bottom of the protective shell is lower than the lowest end of the water immersion sensor; a reinforcing rib is also connected along the length direction of the measuring flexible ruler, and the reinforcing rib is a steel wire.
[0010] As a further improvement of the above solution, a support frame is provided directly above the opening of the base, and a guide wheel is also provided directly above the water level detector at the bottom of the support frame; the measuring flexible ruler passes through the opening and the guide wheel; an observation port is vertically opened on the support frame.
[0011] As a further improvement of the above solution, a rotary driving member is connected to the rotating shaft on one side of the reel, and the rotary driving member is a crank or a servo rotary motor.
[0012] As a further improvement of the above solution, a lighting fixture is provided on one side of the opening of the base, and a hinge seat is provided between the lighting fixture and the base.
[0013] As a further improvement of the above solution, anti-slip protrusions are provided at the bottom of the base.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] 1. Utilize the measuring flexible ruler that can be conveniently carried and stored, and combine it with the water level detector to realize reliable and convenient water level measurement operation for underground deep holes.
[0016] 2. The guide wheel on the support frame enables more convenient and reliable retraction and extension of the measuring tape, and the setting of the observation port can help the measuring personnel more conveniently and accurately understand the measurement situation in the drill hole.
[0017] 3. The measuring flexible ruler is provided with a reinforcing rib to enhance its strength, extend its service life, and further ensure the operation reliability of the device; the protective shell provided on the water level detector can also further protect the water immersion sensor from scraping or collision on its side and bottom during the up and down process in the drill hole.
[0018] 4. The sliding plate with the tightening plate can cooperate with the fixing member to firmly fix the base at the drill hole without deviation, ensuring stable and accurate measurement during the process; the lighting fixture can further assist the measuring personnel in observing the situation in the drill hole. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.
[0020] Figure 2 is a right-view structural schematic diagram of the present utility model.
[0021] Figure 3This is a schematic diagram of the rear view structure of this utility model.
[0022] Figure 4 This is a three-dimensional structural diagram of the water level detection device in this utility model.
[0023] In the diagram: 1. Base; 11. Opening; 12. Slide groove; 13. Anti-slip protrusion; 14. Fixture; 2. Water level detection component; 21. Water immersion sensor; 22. Indicator light; 23. Protective shell; 3. Support frame; 31. Guide wheel; 32. Observation port; 4. Measuring tape; 41. Reinforcing rib; 5. Roller; 51. Rotation drive component; 6. Sliding plate; 61. Tensioning plate; 62. Limiting block; 63. Limiting groove; 7. Lighting fixture; 71. Hinge seat. Detailed Implementation
[0024] To enable those skilled in the art to better understand the technical solution, the present invention will be described in detail below with reference to the embodiments. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.
[0025] like Figures 1-4 As shown, the specific solution of this embodiment is as follows: an underground borehole water level measuring device, including a base 1 set on the ground and a water level detector 2 set in the borehole; the base 1 has an opening 11 in the middle above the borehole, a drum 5 is set on the base 1, and a graduated measuring ruler 4 is connected between the drum 5 and the water level detector 2; the water level detector 2 includes a water immersion sensor 21 set at its bottom, and an indicator light 22 connected to the water immersion sensor 21 is set at the top of the water level detector 2.
[0026] like Figures 1-4 As shown, in a preferred embodiment of the above, the base 1 is a ring, and the opening 11 is a circular hole concentric with the base 1; horizontal grooves 12 are provided on both sides of the opening 11, and a sliding plate 6 is provided in the groove 12 that slides radially along the opening 11. A tightening plate 61 is vertically provided on the sliding plate 6 at one end near the opening 11, and a fixing member 14 for fixing the sliding plate 6 is provided on the base 1.
[0027] like Figures 1-4 As shown, in a preferred embodiment, the sliding plate 6 is provided with a limiting block 62 that cannot pass through the limiting groove 63 at the end away from the opening 11; the surface of the sliding plate 6 is provided with a limiting groove 63 at the corresponding position of the fixing member 14, and the fixing member 14 is a fastening bolt.
[0028] like Figures 1-4As shown in the figure, as a preferred embodiment of the above embodiment, a "U"-shaped protective shell 23 is further provided outside the water level detector 2 of the water immersion sensor 21, and the bottom position of the protective shell 23 is lower than the lowest end of the water immersion sensor 21; a reinforcing rib 41 is also connected along the length direction of the measuring flexible ruler 4, and the reinforcing rib 41 is a steel wire.
[0029] As Figures 1-4 shown in the figure, as a preferred embodiment of the above embodiment, a support frame 3 is provided directly above the opening 11 of the base 1. A guide wheel 31 is further provided directly above the water level detector 2 at the bottom of the support frame 3. The measuring flexible ruler 4 passes through the opening 11 and the guide wheel 31; an observation port 32 is vertically opened on the support frame 3.
[0030] As Figures 1-4 shown in the figure, as a preferred embodiment of the above embodiment, a rotary driving member 51 is connected to the rotating shaft on one side of the reel 5, and the rotary driving member 51 is a crank or a servo rotary motor.
[0031] As Figures 1-4 shown in the figure, as a preferred embodiment of the above embodiment, a lighting fixture 7 is provided on one side of the opening 11 of the base 1, and a hinge seat 71 is provided between the lighting fixture 7 and the base 1.
[0032] As Figures 1-4 shown in the figure, as a preferred embodiment of the above embodiment, anti-slip protrusions 13 are provided at the bottom of the base 1.
[0033] The specific working principle of the present utility model:
[0034] First, fix the base 1, align the opening 11 with the top of the drill hole, and send the water level detector 2 with the water immersion sensor 21 into the drill hole through the measuring flexible ruler 4. Operate the rotary driving member 51 on the reel 5 to slowly lower the measuring flexible ruler 4 so that the bottom of the water immersion sensor 21 touches the water surface layer in the drill hole; then the indicator light 22 lights up to indicate that the measurer can start reading; after the measurer fixes the reel 5, read the scale on the measuring flexible ruler 4 and record it, and finally store the measuring flexible ruler 4 in the reel 5.
[0035] It should be noted that, in this document, the terms "including," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Specific examples have been used in this document to illustrate the principles and implementation methods of the present invention. These examples are merely for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be pointed out that, due to the limitations of written expression and the objective existence of infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of the present invention to other situations without modification, should all be considered within the scope of protection of the present invention.
Claims
1. A groundwater level measuring device, characterized in that, It includes a base (1) set on the ground and a water level detector (2) set in a borehole; an opening (11) is provided above the borehole in the middle of the base (1), a reel (5) is arranged on the base (1), and a graduated measuring flexible ruler (4) is connected between the reel (5) and the water level detector (2); the water level detector (2) includes a water immersion sensor (21) arranged at its bottom, and an indicator light (22) connecting the water immersion sensor (21) is arranged at the top of the water level detector (2).
2. The underground borehole water level measuring device according to claim 1, characterized in that, The base (1) is a circular ring piece, and the opening (11) is a circular hole concentric with the base (1); horizontal sliding grooves (12) are arranged on both sides of the opening (11), a sliding plate (6) sliding radially along the opening (11) is arranged in the sliding grooves (12), a tightening plate (61) is vertically arranged at one end of the sliding plate (6) close to the opening (11), and a fixing member (14) for fixing the sliding plate (6) is arranged on the base (1).
3. The underground borehole water level measuring device according to claim 2, characterized in that, A limiting block (62) that cannot pass through the limiting groove (63) is arranged at one end of the sliding plate (6) far from the opening (11); a limiting groove (63) is opened on the surface of the sliding plate (6) at the corresponding position of the fixing member (14), and the fixing member (14) is a fastening bolt.
4. The underground borehole water level measuring device according to claim 1, characterized in that, A "U"-shaped protective shell (23) is further arranged outside the water immersion sensor (21) of the water level detector (2), and the bottom position of the protective shell (23) is lower than the lowest end of the water immersion sensor (21); a reinforcing rib (41) is also connected along the length direction of the measuring flexible ruler (4), and the reinforcing rib (41) is a steel wire.
5. The underground borehole water level measuring device according to claim 1, characterized in that, A support frame (3) is arranged directly above the opening (11) of the base (1), a guide wheel (31) is further arranged directly above the water level detector (2) at the bottom of the support frame (3), and the measuring flexible ruler (4) passes through the opening (11) and the guide wheel (31); an observation port (32) is vertically opened on the support frame (3).
6. The underground borehole water level measuring device according to claim 1, characterized in that, A rotary driving member (51) is connected to the rotating shaft on one side of the reel (5), and the rotary driving member (51) is a crank or a servo rotary motor.
7. The underground borehole water level measuring device according to claim 1, characterized in that, A lighting fixture (7) is arranged on one side of the opening (11) of the base (1), and a hinge seat (71) is arranged between the lighting fixture (7) and the base (1).
8. The underground borehole water level measuring device according to claim 1, characterized in that, Anti-slip protrusions (13) are arranged at the bottom of the base (1).