Floating measuring tape for measuring water depth

By designing a floating measuring tape that integrates a telescopic float and weights, and combining it with drone deployment, the problems of inconvenience and low accuracy of existing water depth measurement methods have been solved, achieving convenient and efficient water depth measurement, which is particularly suitable for emergency rescue and large-scale hydrological surveys.

CN224066192UActive Publication Date: 2026-03-31苏旭 +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing water depth measurement methods suffer from problems such as inconvenience in carrying, low manual efficiency, high cost, and accuracy being greatly affected by the environment, making it impossible to achieve large-scale automated monitoring. They are particularly ineffective in emergency rescue and high-turbidity waters.

Method used

A floating measuring tape was designed, integrating a telescopic float and detachable weights. It utilizes a spring-driven flexible telescopic cover to provide buoyancy, making it suitable for multi-point synchronous measurement. Combined with drone deployment, it enables rapid deployment and high-precision measurement.

Benefits of technology

It achieves convenient portability, rapid deployment, and high-precision water depth measurement, making it particularly suitable for emergency rescue and large-scale hydrological surveys. It overcomes geographical limitations and is applicable to dangerous waters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a floating measuring tape for measuring water depth. The floating measuring tape comprises a measuring tape main body and telescopic buoys which are integrally installed on two sides of the measuring tape main body. The measuring tape main body comprises a measuring tape shell, a tape and weights; the tape band is installed in the measuring tape shell in a winding mode, and one end of the tape band extends out of the measuring tape shell and is detachably connected with the weight. The telescopic buoys are integrally installed on the two sides of the measuring tape shell, and the telescopic buoys are compressed and stored in the side wall of the measuring tape shell or expanded to provide buoyancy for the measuring tape. According to the utility model, the telescopic buoys are integrated on the two sides of the measuring tape main body and can be compressed for storage or expanded for opening according to needs, so that transportation and storage are facilitated, and stable buoyancy can be provided during measurement; the system is used in cooperation with the unmanned aerial vehicle, can be rapidly deployed at multiple points for synchronous measurement, and is effectively suitable for emergency rescue or large-range hydrological survey scenes.
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Description

Technical Field

[0001] This utility model relates to the technical field of water level surveying, and in particular to a floating measuring tape for measuring water depth. Background Technology

[0002] Water level and depth, as key parameters reflecting the dynamics of water bodies, are fundamental elements of hydrological surveys. In levee safety monitoring, real-time water level is the core basis for flood early warning; reservoir power station scheduling relies on water depth to optimize reservoir capacity allocation, ensuring flood control and power generation efficiency; the design of weirs, sluices, irrigation projects, and other engineering projects requires long-term water level observation and analysis of water flow characteristics. Furthermore, water depth data is a key indicator in navigation capacity assessment and bridge pile foundation design.

[0003] Currently, commonly used water depth measurement methods include manual measurement using a rod-mounted measuring rod and ultrasonic detection. Manual measurement using a rod-mounted measuring rod, as a basic contact method, involves manually reading the water depth through the scale. While low-cost, it is only suitable for temporary observations in shallow water and is severely affected by human and environmental interference. The measuring rod is long, making it inconvenient to carry and store. Furthermore, manual point-by-point measurement is inefficient and cannot achieve large-scale automated monitoring, lacking timeliness in emergency flood control and other scenarios. Ultrasonic detection, a non-contact measurement method, is based on the principle of sound wave reflection. This technology can remotely measure deep water or dangerous areas, but the equipment is expensive, making large-scale deployment uneconomical. Its accuracy is significantly affected by the aquatic environment; suspended sediment, aquatic plants, etc., scatter sound waves, causing signal disturbances, and resulting in large errors in highly turbid waters.

[0004] In view of the above-mentioned existing technologies, there is an urgent need to design a water depth measurement device that is not only easy to carry and use, but also can be quickly deployed for simultaneous measurement at multiple points, and is effectively applicable to emergency rescue or large-scale hydrological survey scenarios. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a floating measuring tape for measuring water depth. It is convenient and quick to carry and use, and can be rapidly deployed for simultaneous measurement at multiple points, making it effectively applicable to emergency rescue or large-scale hydrological survey scenarios.

[0006] To achieve the above objectives, this utility model provides a floating measuring tape for measuring water depth, including a measuring tape body and telescopic floats integrated and installed on both sides of the measuring tape body.

[0007] The measuring tape body includes a measuring tape shell, a measuring tape strip, and weights; the measuring tape strip is wound and installed inside the measuring tape shell, and one end of the measuring tape strip extends out of the measuring tape shell and is detachably connected to the weights.

[0008] The telescopic floats are integrated and installed on both sides of the measuring tape's outer shell. The telescopic floats are compressed and stored in the side wall of the measuring tape's outer shell, or expanded and opened to provide buoyancy for the measuring tape.

[0009] Furthermore, the telescopic float includes a spring, a movable cover, and a flexible telescopic cover, and the measuring tape outer shell has a base shell fixed to its side wall for storing the telescopic float;

[0010] One end of the spring is located inside the base shell and is fixedly connected to the side wall of the measuring tape shell, and the other end of the spring is fixedly connected to the movable cover;

[0011] The flexible telescopic cover is sleeved outside the spring. One end of the flexible telescopic cover is fixedly connected to the side wall of the measuring tape housing located inside the base shell, and the other end is fixedly connected to the movable cover.

[0012] The movable cover is adapted to the base shell, and a buckle is provided between the movable cover and the base shell. The movable cover and the base shell are detachably connected by the buckle.

[0013] Furthermore, the buckle is composed of mutually cooperating protrusions and buckle grooves. The protrusions are integrally formed on the inner side wall of the movable cover, and the buckle grooves are formed on the outer side wall of the base shell.

[0014] Furthermore, the measuring tape casing is provided with an observation window for displaying data on the extended length of the measuring tape.

[0015] The beneficial effects of this utility model are:

[0016] 1. This utility model creatively solves the problem of equipment floating and positioning during water operations by integrating compressible and retractable telescopic floats on both sides of the main body of the measuring tape. The float adopts a spring-driven flexible telescopic cover structure, which can quickly expand to provide buoyancy when in use and can be compressed to the side wall of the measuring tape when stored, significantly improving the convenience of use and carrying.

[0017] 2. The counterweight of this utility model is adjustable to adapt to different water environments, reduce the tilting of the measuring tape or its sinking into soft riverbeds, and improve measurement accuracy.

[0018] 3. The floating measuring tape of this utility model has a compact structure and can be deployed with drones, breaking through the geographical limitations of manual deployment. It is particularly suitable for dangerous waters, such as flood areas, polluted water bodies, or remote waters that are difficult to reach, enabling rapid deployment for simultaneous measurement at multiple points. It has significant advantages in emergency rescue or large-scale hydrological surveys. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is a side view of the present invention.

[0021] Figure 3 This is a partial exploded view of this utility model.

[0022] Figure 4 This is a schematic diagram of the movable cover in this utility model.

[0023] In the diagram: 1. Measuring tape body; 11. Measuring tape outer shell; 12. Measuring tape strap; 13. Weight; 14. Hook strap; 15. Observation window; 16. Sliding lock key; 2. Telescopic float; 21. Spring; 22. Movable cover; 221. Protrusion; 23. Flexible telescopic cover; 24. Base shell; 241. Buckle groove. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0025] This utility model discloses a floating measuring tape for measuring water depth.

[0026] Reference Figures 1 to 3 A floating measuring tape for measuring water depth includes a measuring tape body 1 and telescopic floats 2 integrated on both sides of the measuring tape body 1.

[0027] The measuring tape body 1 includes a measuring tape shell 11, a measuring tape 12, a weight 13, and a hook 14. The measuring tape 12 is wound inside the measuring tape shell 11, with one end extending out of the measuring tape shell 11 and detachably connected to the weight 13. When measuring water depth, the weight 13 pulls the measuring tape 12 downwards to the bottom. The weight 13 and the measuring tape 12 are detachably connected via a hook, and the weight 13 can be adjusted according to the application environment. The hook 14 is fixed to the circumferential outer wall of the measuring tape shell 11, facilitating hand-carrying or hanging under a drone for easy deployment. A sliding lock 16 is also installed on the measuring tape shell 11 to lock and secure the measuring tape 12.

[0028] The measuring tape housing 11 is provided with an observation window 15 for displaying the extended length of the measuring tape 12. The observation window 15 is made of convex transparent glass or plastic, which facilitates magnified observation of the dimensions. The measuring tape 12 is made of soft material and has graduations on its surface. The first 60cm of graduations are blue, and the subsequent graduations are red for easier observation.

[0029] Reference Figures 1 to 3 The telescopic float 2 is integrated and installed on both sides of the measuring tape housing 11. The telescopic float 2 is compressed and stored in the side wall of the measuring tape housing 11, or expands and opens to provide buoyancy for the measuring tape. The telescopic float 2 includes a spring 21, a movable cover 22, and a flexible telescopic cover 23. The side wall of the measuring tape housing 11 is integrally formed with a base shell 24 for storing the telescopic float 2; one end of the spring 21 is located inside the base shell 24 and is fixedly connected to the side wall of the measuring tape housing 11, and the other end of the spring 21 is fixedly connected to the movable cover 22.

[0030] The flexible telescopic cover 23 is made of soft plastic and is used to store air and provide buoyancy. The flexible telescopic cover 23 is sleeved on the outside of the spring 21. One end of the flexible telescopic cover 23 is fixedly connected to the side wall of the measuring tape housing 11 located inside the base housing 24, and the other end is fixedly connected to the movable cover 22.

[0031] Reference Figures 1 to 4 The movable cover 22 is adapted to the base shell 24, and a snap fastener is provided between the movable cover 22 and the base shell 24, allowing for detachable connection between the movable cover 22 and the base shell 24 via the snap fastener. In this embodiment, the snap fastener consists of mutually cooperating protrusions 221 and snap grooves 241, with four protrusions 221 and four snap grooves 241, each corresponding to the other. The protrusions 221 are integrally formed on the inner side wall of the cover, and the snap grooves 241 are opened on the outer side wall of the base shell 24, with the frontal projection shape of the snap grooves 241 being L-shaped. By pressing the movable cover 22, the spring 21 is compressed, and the movable cover 22 moves closer to the base shell 24 until the protrusion 221 slides into the latching groove 241. Then, the movable cover 22 is twisted, and the latching groove 241 limits the protrusion 221, so that the movable cover 22 is relatively fixed to the base shell 24, compressing and storing the telescopic float 2 in the side wall of the measuring tape shell 11. Twisting the movable cover 22 in the opposite direction causes the protrusion 221 to disengage from the latching groove 241, and under the rebound of the spring 21, the flexible telescopic cover 23 expands and opens, which can then be used to provide buoyancy when measuring water depth.

[0032] The working principle of this floating measuring tape for measuring water depth is as follows: In use, the movable cover 22 is twisted to detach it from the base shell 24. The spring 21 pops out, causing the flexible telescopic cover 23 to expand and fill with air. It can then be placed on the water surface by hand or deployed onto the water surface by a drone / helicopter. The counterweight drives the measuring tape 12 downwards to the bottom. The water depth data can then be obtained by observing the data through the observation window 15 on the measuring tape shell 11 in various ways. For retrieval, the measuring tape 12 and weight 13 are pulled out of the water. The weight 13 is removed, and the measuring tape 12 automatically retracts into the measuring tape shell 11. Then, the movable cover 22 is pressed, compressing the spring 21 and the flexible telescopic cover 23, and the movable cover 22 is locked to the base shell 24 by a latch.

[0033] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A floating tape measure for measuring water depth, characterized by: The tape measure comprises a tape measure body (1) and telescopic floats (2) integrated on both sides of the tape measure body (1). The tape measure body (1) comprises a tape measure shell (11), a tape (12) and a weight (13). The tape (12) is wound around the tape measure shell (11), and one end of the tape (12) extends out of the tape measure shell (11) and is detachably connected with the weight (13). The telescopic floats (2) are integrated on both sides of the tape measure shell (11), and are compressed and stored in the side walls of the tape measure shell (11) or expanded and opened to provide buoyancy for the tape measure.

2. A floating tape measure for measuring water depth according to claim 1, wherein: The telescopic float (2) comprises a spring (21), a movable cover (22) and a flexible telescopic cover (23), and the side wall of the tape measure shell (11) is fixed with a base shell (24) for storing the telescopic float (2). One end of the spring (21) is located in the base shell (24) and is fixedly connected with the side wall of the tape measure shell (11), and the other end of the spring (21) is fixedly connected with the movable cover (22). The flexible telescopic cover (23) is sleeved outside the spring (21), one end of the flexible telescopic cover (23) is located in the base shell (24) and is fixedly connected with the side wall of the tape measure shell (11), and the other end is fixedly connected with the movable cover (22). The movable cover (22) is matched with the base shell (24), and a buckle is arranged between the movable cover (22) and the base shell (24), and the movable cover (22) and the base shell (24) are detachably connected through the buckle.

3. A floating tape measure for measuring water depth according to claim 2, wherein: The buckle is composed of a protrusion (221) and a buckle groove (241) matched with each other, the protrusion (221) is integrally formed on the inner side wall of the movable cover (22), and the buckle groove (241) is formed on the outer side wall of the base shell (24).

4. A floating tape measure for measuring water depth according to claim 3, wherein: An observation window (15) is arranged on the tape measure shell (11) for displaying the data of the length of the tape (12) extending out.