Underwater environment surveying device for water conservancy project
By introducing a buffer structure and telescopic components into the underwater survey device, the problem of component damage during impact was solved, enabling stable imaging and acquisition of high-quality survey data, and adapting to diverse underwater environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-04-10
AI Technical Summary
Existing underwater survey equipment lacks an effective buffering mechanism when faced with external impacts, which can cause internal components of the camera to loosen, shift, or be damaged, resulting in severe shaking of the captured images, making it impossible to clearly capture underwater details and reducing the quality of survey data.
An underwater environmental surveying device was designed, comprising a protective shell, a buffer cylinder, a piston disc, a damping sleeve, a spring, and telescopic components. The piston disc and spring inside the buffer cylinder absorb impact forces and reduce vibration. Combined with the transparent protective shell and multi-stage telescopic rods, it adapts to surveys at different depths and ensures stable operation of the camera.
It effectively buffers external impacts, protects internal camera components, maintains shooting stability, improves the clarity and accuracy of underwater survey data, extends equipment life, and enhances adaptability to different underwater environments.
Smart Images

Figure CN224111231U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of water conservancy engineering survey equipment, concretely relates to an underwater environment survey device for water conservancy engineering. BACKGROUND
[0002] In the field of water conservancy engineering, underwater environment survey plays a crucial role in the construction, maintenance and safety assessment of projects.
[0003] With the continuous progress of science and technology, waterproof cameras, as key equipment for obtaining underwater visual image data, are widely used in various underwater survey tasks of water conservancy engineering. However, the underwater environment is complex and harsh, with strong currents and numerous reefs. The survey device is subject to external impact at any time. The previous equipment lacks effective buffering mechanism. When impacted, the impact force directly acts on the internal precision components of the camera without buffering. Severe vibration often causes components to loosen, shift or even damage, resulting in severe shaking and blurring of the captured image, making it impossible to capture key details such as fine cracks and small biological activities underwater, greatly reducing the quality of survey data. In view of this, the utility model is proposed. SUMMARY
[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide an underwater environment survey device for water conservancy engineering that can overcome the above problems or at least partially solve them.
[0005] To solve the above technical problems, the basic idea of the technical solution of the utility model is:
[0006] An underwater environment survey device for water conservancy engineering, comprising a waterproof camera, further comprising: a protective shell and a cover plate detachably connected to the protective shell, wherein the waterproof camera is located in the protective shell and is detachably connected to the top inner wall of the protective shell, and the protective shell is transparent; a buffer cylinder is provided above the protective shell, wherein a piston disc is slidably connected in the buffer cylinder, a damping sleeve is fixedly installed on the outer wall of the piston disc, the damping sleeve is in close contact with the inner wall of the buffer cylinder, a spring is provided in the buffer cylinder, one end of the spring is fixedly connected with the piston disc, and the other end is fixedly connected with the inner wall of the buffer cylinder; a connecting rod is fixedly connected at one end to the protective shell and at the other end to the piston disc through the lower end of the buffer cylinder; a telescopic component is provided on the buffer cylinder and used to push the buffer cylinder to move.
[0007] Preferably, the telescopic component comprises a multi-stage telescopic rod, and the telescopic end of the multi-stage telescopic rod is fixedly connected with the buffer cylinder.
[0008] In order to facilitate the disassembly and assembly of the waterproof camera, preferably, a plurality of mounting bolts are further included, and the waterproof camera is detachably connected to the inner wall of the top of the protective shell through the plurality of mounting bolts.
[0009] In order to facilitate the disassembly and assembly of the cover plate, preferably, a plurality of fixing bolts are further included, and the cover plate is detachably connected to the protective shell through the plurality of fixing bolts.
[0010] In order to increase the sealing performance of the connection between the cover plate and the protective shell, further, a sealing ring is fixedly connected to the cover plate, and sealing pads are arranged at the upper end and the lower end of the outer wall of the sealing ring and are in abutment with the inner wall of the protective shell.
[0011] In order to further increase the sealing performance of the connection between the cover plate and the protective shell, still further, an air bag is arranged around the outer wall of the sealing ring, a sealing groove is arranged on the inner wall of the protective shell and is used in cooperation with the air bag, a gas conveying pipe is arranged on the cover plate and is in communication with the air bag, and a one-way valve is arranged on the gas conveying pipe.
[0012] In order to facilitate the discharge of the gas in the air bag, still further, an exhaust pipe is fixedly connected to the gas conveying pipe, and a valve switch is arranged on the exhaust pipe.
[0013] In order to further expand the air bag and improve the sealing performance of the connection between the cover plate and the protective shell, still further, a first guide pipe and a second guide pipe are fixedly connected to the buffer cylinder, one end of the second guide pipe away from the buffer cylinder is in communication with the air bag, and one-way valves are arranged on the first guide pipe and the second guide pipe.
[0014] In order to keep the internal pressure of the air bag constant, still further, a pressure relief pipe is fixedly connected to the gas conveying pipe, and a pressure relief valve is arranged on the pressure relief pipe.
[0015] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art:
[0016] The protective shell and the cover plate constitute a protective barrier for the waterproof camera, which not only ensures the camera field of view without obstruction, but also effectively prevents water from entering and prevents electronic components from short circuiting and corrosion, thereby prolonging the service life of the equipment.
[0017] The telescopic part can adjust the position of the device as needed, adapt to different depth surveys, enhance the adaptability of the device to various underwater environments, and ensure that the information of different underwater regions can be comprehensively and accurately obtained. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structure diagram of the utility model Figure 1 ;
[0019] Figure 2 is a structure diagram of the utility model Figure 2 ;
[0020] Figure 3 is a sectional view of the protective shell and the buffer cylinder of the utility model
[0021] Figure 4 is a sectional view of the protective shell, the cover plate and the buffer cylinder of the utility model
[0022] Figure 5 is the Figure 4 enlarged view of part A of the utility model
[0023] In the drawing: 1, protective shell; 101, cover plate; 102, waterproof camera; 103, mounting bolt; 104, fixing bolt; 2, sealing ring; 201, sealing gasket; 3, buffer cylinder; 301, piston disc; 302, connecting rod; 303, damping sleeve; 304, spring; 4, multi-stage telescopic rod; 5, air bag; 501, gas conveying pipe; 502, exhaust pipe; 6, conduit one; 601, conduit two; 602, pressure relief pipe. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.
[0025] Embodiment 1:
[0026] Refer to Figure 1 , Figure 2 , Figure 3 , Figure 4The utility model provides a kind of underwater environment survey device for hydraulic engineering, including waterproof camera 102, further include: protective shell 1 and detachable cover 101 connected on protective shell 1, wherein, waterproof camera 102 is located in protective shell 1, and detachable in the top inner wall of protective shell 1, protective shell 1 is transparently arranged;Buffer cylinder 3 is arranged above protective shell 1, wherein, piston disc 301 is slidably connected in buffer cylinder 3, damping sleeve 303 is fixedly installed on the outer wall of piston disc 301, and damping sleeve 303 is attached to the inner wall of buffer cylinder 3, spring 304 is arranged in buffer cylinder 3, one end of spring 304 is fixedly connected with piston disc 301, and the other end is fixedly connected with the inner wall of buffer cylinder 3;Connecting rod 302 is fixedly connected with protective shell 1 at one end, and is fixedly connected with piston disc 301 at the other end and penetrates the lower end of buffer cylinder 3;Telescopic component is arranged on buffer cylinder 3 and is used to push buffer cylinder 3 to move.
[0027] Protective shell 1 is used as the outer protective structure of waterproof camera 102, and the transparent material ensures that the camera field of view is not blocked and can clearly capture underwater environment images.
[0028] The waterproof camera 102 is detachably connected to the top inner wall of the protective shell 1, facilitating installation, debugging and subsequent maintenance.
[0029] A relatively closed space is formed by the cover 101 and the protective shell 1 to provide a relatively closed space for the waterproof camera 102, which can effectively block the entry of water, ensure that the waterproof camera 102 is in a dry environment underwater, prevent damage such as short circuit and corrosion of electronic components caused by water seepage, ensure normal operation of the camera and prolong its service life.
[0030] When the device is subjected to external impact underwater, the connecting rod 302 transmits the impact force to the piston disc 301 in the buffer cylinder 3, the damping sleeve 303 on the outer wall of the piston disc 301 is tightly attached to the inner wall of the buffer cylinder 3, and part of the impact force is consumed by friction, while the spring 304 is compressed, converting the impact kinetic energy into elastic potential energy and storing it up, and then slowly releasing it to buffer the impact force at the moment of collision, reducing the final impact force on the device and avoiding damage to the internal components of the waterproof camera 102 due to violent vibration, while the overall shaking amplitude of the device is greatly reduced, allowing the waterproof camera 102 to remain relatively stable and thus capture clear and smooth video images, which helps to better capture the details of the underwater environment.
[0031] The telescopic component is arranged on the buffer cylinder 3 and can move the buffer cylinder 3 according to the underwater survey requirements, thereby driving the protective shell 1 and the waterproof camera 102 to adjust the position, so as to adapt to survey tasks of different depths.
[0032] Embodiment 2
[0033] ReferFigure 3 The underwater environment surveying device for water conservancy projects is basically the same as that in Embodiment 1, and further, the telescopic part comprises a multi-stage telescopic rod 4, and the telescopic end of the multi-stage telescopic rod 4 is fixedly connected with the buffer barrel 3.
[0034] The multi-stage telescopic rod 4 serves as the telescopic part, and by virtue of the multi-stage telescoping characteristics thereof, the buffer barrel 3 fixedly connected therewith is pushed to move under the drive of the hydraulic pressure, and when it is necessary to conduct close-up survey on a certain area under water, the multi-stage telescopic rod 4 is elongated to drive the buffer barrel 3, the protective shell 1 and the waterproof camera 102 inside to approach the target, and if it is necessary to expand the survey range and scan a wider underwater space, the multi-stage telescopic rod 4 is retracted to adjust the position of the device as a whole, for example, when it is necessary to inspect the surface of a large underwater structure in water conservancy projects, the telescopic rod can be elongated to approach the wall surface to carefully check local cracks and erosion, and then the telescopic rod is retracted to check the overall profile of the structure and the surrounding water flow state, and meanwhile, the telescopic rod can be telescoped according to the shooting requirements to realize accurate control of the underwater environment at different depths.
[0035] Embodiment 3
[0036] With reference to Figure 2 , Figure 3 , Figure 4 The underwater environment surveying device for water conservancy projects is basically the same as that in Embodiment 1, and further, the waterproof camera 102 is detachably connected to the top inner wall of the protective shell 1 by means of the plurality of mounting bolts 103.
[0037] When it is necessary to maintain and overhaul the waterproof camera 102, such as replacing the battery and upgrading the storage device, the waterproof camera 102 can be conveniently and quickly taken out of the protective shell 1 by only screwing off the mounting bolts 103, and the operation is relatively convenient.
[0038] The plurality of fixing bolts 104 are used to detachably connect the cover plate 101 to the protective shell 1.
[0039] The fixing force provided by the fixing bolts 104 can tightly attach the cover plate 101 to the opening of the protective shell 1 to form a relatively closed space, so as to protect the waterproof camera 102 inside from the invasion of water, impurities and collision from the outside, and meanwhile, the connection of the cover plate 101 to the protective shell 1 by means of the fixing bolts 104 also facilitates the maintenance of the equipment in the protective shell 1 by the staff.
[0040] Embodiment 4
[0041] With reference to Figure 2 , Figure 4 , Figure 5The utility model provides a kind of underwater environment survey device for water conservancy project, substantially same with embodiment 1, further, sealing ring 2 is fixedly connected on cover plate 101, sealing ring 2 outer wall is provided with sealing pad 201 at upper and lower ends, and sealing pad 201 is attached with the inner wall of protective shell 1;
[0042] When cover plate 101 is installed on protective shell 1 by fixed bolt 104, sealing pad 201 is attached with the inner wall of protective shell 1 by being extruded by sealing ring 2, and the tiny gap that can exist is filled, to form multiple seals, so that it blocks the penetration of water, ensure the dry environment in protective shell 1, so as to protect waterproof camera 102 from water erosion.
[0043] Air bag 5 is arranged on the outer wall of sealing ring 2, sealing groove for cooperating with air bag 5 is formed on the inner wall of protective shell 1, air conveying pipe 501 for communicating with air bag 5 is arranged on cover plate 101, and one-way valve is arranged on air conveying pipe 501;
[0044] When cover plate 101 is installed, air bag 5 is inflated through air conveying pipe 501, air bag 5 is expanded and attached with the sealing groove on the inner wall of protective shell 1, the tiny gap that can be missed by sealing pad 201 is filled, and the sealing effect is further enhanced, so that waterproof camera 102 is not disturbed by water vapor when shooting, maintains stable surveying state, reduces the risk of equipment failure and survey failure caused by sealing problem.
[0045] Air conveying pipe 501 is fixedly connected with exhaust pipe 502, and valve switch is arranged on exhaust pipe 502;
[0046] When it is necessary to open protective shell 1 for equipment maintenance, replacement and the like, valve switch on exhaust pipe 502 is opened first, gas in air bag 5 is slowly discharged, air bag 5 is contracted, and the close attachment with the sealing groove on the inner wall of protective shell 1 is released, so that fixed bolt 104 is twisted off to open cover plate 101.
[0047] Embodiment 5:
[0048] Refer to Figure 4 、 Figure 5 A kind of underwater environment survey device for water conservancy project, substantially same with embodiment 1, further, buffer cylinder 3 is fixedly connected with guide pipe one 6 and guide pipe two 601, one end of guide pipe two 601 away from buffer cylinder 3 is communicated with air bag 5, and one-way valve is arranged on guide pipe one 6 and guide pipe two 601;
[0049] When the piston disc 301 in the buffer cylinder 3 moves due to external force such as impact, the gas pressure in the buffer cylinder 3 changes, if the pressure rises, the gas can flow to the air bag 5 through the conduit two 601, on the one hand, the sealing pressure of the air bag 5 is enhanced, so as to avoid the sudden impact under water, which causes the slight deformation of the protective shell 1 or the cover plate 101, and threatens the sealing performance, on the other hand, the air bag 5 can adaptively adjust the shape, still maintain the sealing, prevent water from seeping in, and the air bag 5 absorbs part of the excess gas, which helps to balance the pressure in the buffer cylinder 3, avoids the damage of the buffer cylinder 3 or other components due to the excessive pressure, on the contrary, if the pressure in the buffer cylinder 3 decreases, the external gas can be sucked into the buffer cylinder 3 through the conduit one 6, so as to maintain the normal gas environment in the buffer cylinder 3, ensure the normal operation of the buffer mechanism, and protect the waterproof camera 102 from being damaged by impact.
[0050] The gas conveying pipe 501 is fixedly connected with a pressure relief pipe 602, and the pressure relief pipe 602 is provided with a pressure relief valve;
[0051] When the air pressure in the pressure-increasing air bag 5 is greater than the pressure relief value set on the pressure relief pipe 602, the pressure relief valve is automatically opened to release pressure, at this time, the excess gas in the pressure-increasing air bag 5 can be discharged through the pressure relief pipe 602, so as to reduce the pressure and maintain the air bag 5 to work in a safe range.
[0052] The above only describes the preferred embodiments of the present application, and does not limit the present application in any form, although the preferred embodiments of the present application have been disclosed as above, however, it is not intended to limit the present application.
Claims
1. An underwater environment surveying device for hydraulic engineering, comprising a waterproof camera (102), characterized in that, Also include: Protective shell (1) and dismounting connection on the cover plate (101) of the protective shell (1), Wherein, the waterproof camera (102) is located in the protective shell (1), and is dismounting connected on the top inner wall of the protective shell (1), the protective shell (1) is transparently arranged; Buffer cylinder (3), arranged above the protective shell (1), Wherein, the piston disc (301) is slidably connected in the buffer cylinder (3), the damping sleeve (303) is fixedly installed on the outer wall of the piston disc (301), the damping sleeve (303) is matched with the inner wall of the buffer cylinder (3), the spring (304) is arranged in the buffer cylinder (3), one end of the spring (304) is fixedly connected with the piston disc (301), the other end is fixedly connected with the inner wall of the buffer cylinder (3); Connecting rod (302), one end of the connecting rod (302) is fixedly connected with the protective shell (1), the other end penetrates through the lower end of the buffer cylinder (3) and is fixedly connected with the piston disc (301); Telescopic component, arranged on the buffer cylinder (3), and used for pushing the buffer cylinder (3) to move.
2. The device for surveying underwater environment for hydraulic engineering according to claim 1, characterized in that, The telescopic component includes a plurality of telescopic rods (4), and the telescopic end of the telescopic rod (4) is fixedly connected with the buffer cylinder (3).
3. The device for surveying underwater environment for hydraulic engineering according to claim 1, characterized in that, Also include a plurality of mounting bolts (103), the waterproof camera (102) is dismounting connected on the top inner wall of the protective shell (1) through the plurality of mounting bolts (103).
4. The device for surveying underwater environment for hydraulic engineering according to claim 1, characterized in that, Also include a plurality of fixing bolts (104), the cover plate (101) is dismounting connected on the protective shell (1) through the plurality of fixing bolts (104).
5. The device for surveying underwater environments for hydraulic works according to claim 4, characterized in that, The cover plate (101) is fixedly connected with a sealing ring (2), the upper and lower ends of the outer wall of the sealing ring (2) are provided with sealing pads (201), and the sealing pads (201) are matched with the inner wall of the protective shell (1).
6. The device for surveying underwater environments for hydraulic works according to claim 5, characterized in that, The outer wall of the sealing ring (2) is provided with an air bag (5) around, the inner wall of the protective shell (1) is provided with a sealing groove matched with the air bag (5), the cover plate (101) is provided with a gas conveying pipe (501) connected with the air bag (5), and the gas conveying pipe (501) is provided with a one-way valve.
7. The device for surveying underwater environments for hydraulic works according to claim 6, characterized in that, The gas conveying pipe (501) is fixedly connected with an exhaust pipe (502), and the exhaust pipe (502) is provided with a valve switch.
8. The device for surveying underwater environment for hydraulic engineering according to claim 6, characterized in that, The buffer cylinder (3) is fixedly connected with a conduit one (6) and a conduit two (601), one end of the conduit two (601) away from the buffer cylinder (3) is connected with the air bag (5), and the conduit one (6) and the conduit two (601) are provided with one-way valves.
9. The device for surveying underwater environments for hydraulic works according to claim 8, characterized in that, The gas conveying pipe (501) is fixedly connected with a pressure relief pipe (602), and the pressure relief pipe (602) is provided with a pressure relief valve. The gas conveying pipe (501) is fixedly connected with a pressure relief pipe (602), and the pressure relief pipe (602) is provided with a pressure relief valve.