Hydraulic engineering liquid level monitoring device
By designing a water conservancy project liquid level monitoring device combining limited support cylinder and fixed rod, the safety hazards of water level monitoring devices during maintenance and disassembly difficulties caused by bolt rust in the prior art are solved, making it safer and Convenient installation maintenance.
Patent Information
- Application Number
- CN202420445763.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-07
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-03-07
AI Technical Summary
The existing water level monitoring devices have safety risks during maintenance, and due to the humidity and water vapor condensation of the water environment, the bolts of the device are prone to rust, which lead to difficulty in disassembly.
A liquid level monitoring device for water conservancy projects is designed, using a combination of a limited support cylinder and a fixed rod. The fixed position of the radar level gauge is realized through the coordination of the limit slide and the fixed position of the radar level gauge, and the contact spring and rotation are achieved. The mechanism simplifies the extraction process of the fixing rod to avoid disassembly difficulties caused by rusting the bolt.
It improves the safety and convenience of the device during maintenance, avoids disassembly difficulties caused by rust of bolts, and achieves more convenient device maintenance and use.
Smart Images

Figure CN222481578U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water conservancy monitoring devices, in particular to a water conservancy project liquid level monitoring device. Background Art
[0002] Field measurement of water levels in rivers, lakes and groundwater. Water level data are closely related to human social life and production. The planning, design, construction and management of water conservancy projects require water level data. The construction of bridges, ports, waterways, water supply and drainage projects also requires water level data. In flood control and drought relief, water level data is even more important. It is the basis for hydrological forecasts and hydrological intelligence. Water level data are important basic data in the study of the relationship between water level and flow and in the analysis of river sediment, ice conditions, etc.
[0003] Existing water level monitoring devices generally use a fixed structure support device to place various detection devices directly above the water surface to monitor the water level. When repairing the equipment, maintenance personnel are often required to perform operations at the same height, which poses a great safety hazard. In addition, the water level detection device is located in the water area all year round, and the environmental humidity is high. Water vapor easily condenses and adheres to the bolts of the device. Over time, moisture will cause the bolts to rust, making them difficult to disassemble, which in turn brings difficulties to the work of maintenance personnel. Therefore, this application proposes a water conservancy project liquid level monitoring device to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a water conservancy project liquid level monitoring device, which solves the technical problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water conservancy project liquid level monitoring device, comprising a fixed bottom plate, the upper end of the fixed bottom plate is fixedly connected to a limit support cylinder and a distribution box, a fixed rod is arranged on the inner side of the limit support cylinder, the upper end of the fixed rod extends to the top of the limit support cylinder and is fixedly connected to a connecting frame, an extension plate is arranged on the inner side of the connecting frame, the left and right side walls of the front side end of the extension plate are respectively hinged to the upper ends of the left and right side inner walls of the connecting frame by pins, a radar level gauge is arranged on the side of the extension plate away from the connecting frame, a connecting limit slide and two fixed limit slides are opened in the vertical direction of the side wall of the limit support cylinder, and the connecting limit slide The upper end of the track is opened, and the upper end of the fixed limit slide extends to the upper end of the limit support cylinder, the fixed limit slide is connected to the lower end of the connecting limit slide, the two connecting limit slides and the two fixed limit slides are centrally symmetrically arranged, and two limit sliding bars are centrally symmetrically arranged on the side wall of the fixed rod, and the connecting limit slide and the fixed limit slide are both adapted to the limit sliding bar, the lower inner wall of the limit support cylinder is fixedly connected with an abutment spring, the upper end of the abutment spring is fixedly connected with a sliding plate, the sliding plate is slidably connected to the inner side wall of the limit support cylinder, the upper end of the sliding plate is rotatably connected with an abutment plate, and the upper end of the abutment plate abuts against the lower end of the fixed rod.
[0006] Preferably, the lower end of the extension plate is hinged with a support plate, and the support plate extends to the inner side of the connecting frame at one end away from the extension plate. A fixing pin is provided on the right side of the connecting frame, and the left end of the fixing pin passes through the right side wall of the connecting frame, the support plate and the left side wall of the connecting frame in sequence, and the left end of the fixing pin is limited by an opening pin.
[0007] Preferably, a sliding groove is provided at the rear end of the extension plate, an extension plate is slidably connected in the sliding groove, the radar level meter is fixed on the extension plate, a locking bolt is provided under the extension plate, the upper end of the locking bolt passes through the lower side wall of the sliding groove and abuts against the lower end of the extension plate.
[0008] Preferably, a connecting pipe is provided on the fixed bottom plate, the lower end of the connecting pipe passes through the fixed bottom plate and is fixedly connected to the fixed bottom plate, the lower end of the connecting pipe is fixedly connected to a water pipe, the end of the water pipe away from the connecting pipe extends into the water area, the end of the water pipe away from the connecting pipe is fixedly connected to a filter cover, the side wall of the filter cover is provided with water holes, and the outer side wall of the filter cover is fixedly connected to a plurality of support rods.
[0009] Preferably, scale lines are provided on the front side wall of the connecting tube, and the positions of the scale lines are provided with transparent materials. A float is provided on the inner side of the connecting tube, and a compensation rod is fixedly connected to the upper end of the float, and an indicator plate is fixedly connected to the upper end of the compensation rod, and the compensation rod is made of a lightweight material rod.
[0010] Preferably, an exhaust hole is provided at the upper end of the connecting pipe.
[0011] Compared with the related art, the water conservancy project liquid level monitoring device provided by the utility model has the following beneficial effects:
[0012] 1. The utility model provides a water conservancy project liquid level monitoring device. A limited support cylinder and a fixed rod combination are arranged in the device to fix the position of the radar liquid level frame. When in use, the lower end of the fixed rod is placed inside the limited support cylinder, and the limited slide rod is matched with the connected limited slideway. After the lower end of the fixed rod is abutted against the abutment plate, the fixed rod is pressed downward to compress the abutment spring and rotate. When the limited slide rod rotates to the right below the fixed limited slideway, the fixed rod is released, and the limited slide rod is pushed into the fixed limited slideway under the action of the abutment spring. , the position of the fixing rod and the upper radar level meter can be fixed. At the same time, a support plate is arranged between the connecting frame and the extension plate. The support plate is limited by the connecting frame through a fixing pin. When the radar level meter is inspected and repaired, the fixing pin can be pulled out, and the end of the extension plate away from the connecting frame can be moved to the end away from the water surface, which is more convenient for inspection and repair. In addition, the device can pull out the fixing rod by pressing down the fixing rod, that is, moving the limiting slide bar to the position of connecting the limiting slideway, which effectively avoids the problem of inconvenience in disassembly due to rust of bolts.
[0013] 2. The utility model provides a liquid level monitoring device for a water conservancy project. A connecting pipe is provided in the device, which is connected to the water area. The water surface height is displayed through an indicator plate inside the connecting pipe by utilizing the principle of a communicating vessel. The current water level height can be understood by observing the scale corresponding to the indicator plate inside the connecting pipe, and the water level height can be understood without using a detection instrument, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0015] Figure 2 for Figure 1 A partial enlarged view of the middle part;
[0016] Figure 3 for Figure 2 A partial enlarged view of point B in the middle;
[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the connecting pipe of the utility model;
[0018] Figure 5 for Figure 4 A partial enlarged view of point C in the middle;
[0019] Figure 6This is a schematic diagram of the three-dimensional structure of the cross-section of the position-limiting support cylinder of the utility model;
[0020] Figure 7 for Figure 6 A partial enlarged view of point D in the middle;
[0021] Figure 8 This is a schematic diagram of the connection structure between the limit support cylinder and the fixing rod of the utility model;
[0022] Fig. 9 for Figure 8 A partial enlarged view of point E in the middle;
[0023] Fig.10 It is a schematic diagram of the cross-sectional structure of the extension plate position of the utility model.
[0024] In the figure: 1. Fixed bottom plate; 2. Limit support cylinder; 3. Fixed rod; 4. Connection frame; 5. Extension plate; 6. Support plate; 7. Sliding groove; 8. Extension plate; 9. Radar level gauge; 10. Locking bolt; 11. Fixed pin; 12. Connecting pipe; 13. Distribution box; 14. Water pipe; 15. Filter cover; 16. Water hole; 17. Support rod; 18. Float; 19. Compensation rod; 20. Indicator plate; 21. Scale line; 22. Connecting limit slide; 23. Limit slide rod; 24. Fixed limit slide; 25. Abutment plate; 26. Sliding plate; 27. Abutment spring. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-10The utility model provides a technical solution: a water conservancy project liquid level monitoring device, comprising a fixed bottom plate 1, the upper end of the fixed bottom plate 1 is fixedly connected to a limited support cylinder 2 and a distribution box 13, a fixed rod 3 is arranged inside the limited support cylinder 2, the upper end of the fixed rod 3 extends to the upper side of the limited support cylinder 2 and is fixedly connected to a connecting frame 4, an extension plate 5 is arranged inside the connecting frame 4, and the left and right side walls of the front side end of the extension plate 5 are respectively hinged to the upper ends of the left and right side inner walls of the connecting frame 4 through pins, A radar level gauge 9 is arranged on one side of the extension plate 5 away from the connection frame 4. A connecting limit slide 22 and two fixed limit slides 24 are provided in the vertical direction on the side wall of the limit support cylinder 2. The upper end of the connecting limit slide 22 is opened, and the upper end of the fixed limit slide 24 extends to the upper end of the limit support cylinder 2. The fixed limit slide 24 is connected to the lower end of the connecting limit slide 22. The two connecting limit slides 22 and the two fixed limit slides 24 are arranged symmetrically in the center. The side wall of the fixed rod 3 Two limiting slide bars 23 are symmetrically arranged at the center, and the connecting limiting slideway 22 and the fixed limiting slideway 24 are both adapted to the limiting slide bar 23. The lower inner wall of the limiting support cylinder 2 is fixedly connected with an abutting spring 27, and the upper end of the abutting spring 27 is fixedly connected with a sliding plate 26. The sliding plate 26 is slidably connected to the inner wall of the limiting support cylinder 2, and the upper end of the sliding plate 26 is rotatably connected with an abutting plate 25. The upper end of the abutting plate 25 abuts against the lower end of the fixed rod 3. When assembling, the fixed rod 3 is fixedly connected to the inner wall of the limiting support cylinder 2. The lower end is placed inside the limit support cylinder 2, and cooperates with the connection limit slideway 22 through the limit slide bar 23. After the lower end of the fixed rod 3 abuts against the abutment plate 25, the fixed rod 3 is pressed downward to compress the abutment spring 27 and rotate. When the limit slide bar 23 rotates to the bottom of the fixed limit slideway 24, the fixed rod 3 is released, and the limit slide bar 23 is pushed into the fixed limit slideway 24 under the action of the abutment spring 27, so that the position of the fixed rod 3 and the upper radar level meter 9 can be fixed;
[0027] The lower end of the extension plate 5 is hinged with a support plate 6, and the end of the support plate 6 away from the extension plate 5 extends to the inner side of the connection frame 4. A fixing pin 11 is provided on the right side of the connection frame 4. The left end of the fixing pin 11 passes through the right side wall of the connection frame 4, the support plate 6 and the left side wall of the connection frame 4 in sequence. The left end of the fixing pin 11 is limited by an open pin. When the radar level gauge 9 is inspected and repaired, the fixing pin 11 is pulled out, and the end of the extension plate 5 away from the connection frame 4 can be moved to the end away from the water surface, which is more convenient for inspection and repair;
[0028] A sliding groove 7 is provided at the rear end of the extension plate 5, and an extension plate 8 is slidably connected in the sliding groove 7. The radar level meter 9 is fixed on the extension plate 8. A locking bolt 10 is provided below the extension plate 5. The upper end of the locking bolt 10 passes through the lower side wall of the sliding groove 7 and abuts against the lower end of the extension plate 8. By adjusting the position between the extension plate 8 and the extension plate 5, the position of the radar level meter 9 can be adjusted to ensure that the device can adapt to water level detection when the water surface is far away from the device;
[0029] A connecting pipe 12 is arranged on the fixed bottom plate 1, the lower end of the connecting pipe 12 passes through the fixed bottom plate 1 and is fixedly connected to the fixed bottom plate 1, the lower end of the connecting pipe 12 is fixedly connected to a water pipe 14, the end of the water pipe 14 away from the connecting pipe 12 extends into the water area, the end of the water pipe 14 away from the connecting pipe 12 is fixedly connected to a filter cover 15, the side wall of the filter cover 15 is provided with a water hole 16, the outer side wall of the filter cover 15 is fixedly connected to a plurality of support rods 17, when in use, the filter cover 15 is located below the water surface, and the filter cover 15 is supported by the plurality of support rods 17 to prevent the filter cover 15 from being blocked by river bottom mud;
[0030] A scale line 21 is arranged on the front side wall of the connecting pipe 12, and a transparent material is used for the position where the scale line 21 is located. A float 18 is arranged on the inner side of the connecting pipe 12, and a compensation rod 19 is fixedly connected to the upper end of the float 18, and an indicator plate 20 is fixedly connected to the upper end of the compensation rod 19. The compensation rod 19 is made of a light material rod, and the lower end of the float 18 is in contact with the water surface. Under the action of buoyancy, the compensation rod 19 and the indicator plate 20 are supported. The water surface height is displayed through the indicator plate 20 inside the connecting pipe 12 by using the principle of the communicating vessel. The current water level height can be understood by observing the scale corresponding to the indicator plate 20 inside the connecting pipe 12, and then the water level height can be understood without using a detection instrument, which is more convenient to use.
[0031] An exhaust hole is provided at the upper end of the connecting pipe 12 , and the arrangement of the exhaust hole ensures that the water level displayed in the connecting pipe 12 works normally.
[0032] Working principle: During assembly, the lower end of the fixing rod 3 is placed inside the limiting support tube 2, and the limiting slide bar 23 is matched with the connecting limiting slideway 22. After the lower end of the fixing rod 3 abuts against the abutment plate 25, the fixing rod 3 is pressed downward to compress the abutment spring 27 and rotate. When the limiting slide bar 23 rotates to the bottom of the fixed limiting slideway 24, the fixing rod 3 is released, and the limiting slide bar 23 is pushed into the fixed limiting slideway 24 under the action of the abutment spring 27. The position of the fixing rod 3 and the upper radar level meter 9 can be fixed. The locking bolt 10 is loosened and the position of the extension plate 8 is adjusted to adjust the position of the radar level meter 9. After the position is adjusted, the locking bolt 10 can be tightened, and the extension plate 5 can be pushed to the rear side by the support plate 6. The end of the support plate 6 away from the extension plate 5 is fixed by the fixing pin. 11 cooperates with the connecting frame 4, and the extension plate 5 is in a horizontal state at this time. When the radar level meter 9 is inspected and repaired, the fixing pin 11 is pulled out, and the end of the extension plate 5 away from the connecting frame 4 can be moved to the end away from the water surface, which is more convenient for inspection and repair. In addition, the device can pull out the fixing rod 3 by pressing down the fixing rod 3, that is, moving the limit slide rod 23 to the position of the connection limit slideway 22, effectively avoiding the problem of inconvenience in disassembly due to rust of the bolts. A connecting pipe 12 is provided in the device, and the connecting pipe 12 is connected to the water area. The water surface height is displayed through the indicator plate 20 inside the connecting pipe 12 by using the principle of the connecting vessel. The current water level height can be understood by observing the scale corresponding to the indicator plate 20 in the connecting pipe 12, and then the water level height can be understood without using a detection instrument, which is more convenient to use.
Claims
1. A water conservancy project liquid level monitoring device, comprising a fixed bottom plate (1), characterized in that: The upper end of the fixed base plate (1) is fixedly connected to the limit support tube (2) and the distribution box (13); a fixed rod (3) is arranged inside the limit support tube (2); the upper end of the fixed rod (3) extends to the top of the limit support tube (2) and is fixedly connected to the connection frame (4); an extension plate (5) is arranged inside the connection frame (4); the left and right side walls of the front end of the extension plate (5) are respectively hinged to the upper ends of the left and right side inner walls of the connection frame (4) through pins; a radar level gauge (9) is arranged on the side of the extension plate (5) away from the connection frame (4); a connecting limit slideway (22) and two fixed limit slideways (24) are provided in the vertical direction on the side wall of the limit support tube (2); the upper end of the connecting limit slideway (22) is open; the upper end of the fixed limit slideway (24) is extended to the limit support tube (2). The upper end of the cylinder (2) is connected to the fixed limit slideway (24) and the lower end of the connecting limit slideway (22). The two connecting limit slideways (22) and the two fixed limit slideways (24) are all centrally symmetrically arranged. Two limit slide bars (23) are centrally symmetrically arranged on the side wall of the fixed rod (3). The connecting limit slideway (22) and the fixed limit slideway (24) are both adapted to the limit slide bar (23). The lower inner wall of the limit support cylinder (2) is fixedly connected with an abutment spring (27). The upper end of the abutment spring (27) is fixedly connected with a sliding plate (26). The sliding plate (26) is slidably connected to the inner wall of the limit support cylinder (2). The upper end of the sliding plate (26) is rotatably connected with an abutment plate (25). The upper end of the abutment plate (25) abuts against the lower end of the fixed rod (3).
2. A water conservancy project liquid level monitoring device according to claim 1, characterized in that: The lower end of the extension plate (5) is hingedly connected to a support plate (6), and one end of the support plate (6) away from the extension plate (5) extends to the inner side of the connection frame (4). A fixing pin (11) is arranged on the right side of the connection frame (4), and the left end of the fixing pin (11) passes through the right side wall of the connection frame (4), the support plate (6) and the left side wall of the connection frame (4) in sequence, and the left end of the fixing pin (11) is limited by an open pin.
3. A water conservancy project liquid level monitoring device according to claim 1, characterized in that: A sliding groove (7) is provided at the rear end of the extension plate (5), and an extension plate (8) is slidably connected in the sliding groove (7). The radar level meter (9) is fixed on the extension plate (8). A locking bolt (10) is provided below the extension plate (5), and the upper end of the locking bolt (10) passes through the lower side wall of the sliding groove (7) and abuts against the lower end of the extension plate (8).
4. A water conservancy project liquid level monitoring device according to claim 1, characterized in that: A connecting pipe (12) is provided on the fixed bottom plate (1), the lower end of the connecting pipe (12) passes through the fixed bottom plate (1) and is fixedly connected to the fixed bottom plate (1), the lower end of the connecting pipe (12) is fixedly connected to a water pipe (14), one end of the water pipe (14) away from the connecting pipe (12) extends into the water area, one end of the water pipe (14) away from the connecting pipe (12) is fixedly connected to a filter cover (15), a side wall of the filter cover (15) is provided with a water hole (16), and the outer side wall of the filter cover (15) is fixedly connected to a plurality of support rods (17).
5. A water conservancy project liquid level monitoring device according to claim 4, characterized in that: A scale line (21) is arranged on the front side wall of the connecting pipe (12), and the position where the scale line (21) is located is arranged using a transparent material. A float (18) is arranged on the inner side of the connecting pipe (12), and a compensation rod (19) is fixedly connected to the upper end of the float (18), and an indicator plate (20) is fixedly connected to the upper end of the compensation rod (19), and the compensation rod (19) is made of a light material rod.
6. A water conservancy project liquid level monitoring device according to claim 5, characterized in that: An exhaust hole is provided at the upper end of the connecting pipe (12).