Hydropower station water level monitoring device

Abstract

The utility model discloses a hydropower station water level monitoring device which comprises a supporting column, locking holes are formed in the two ends of the top of the supporting column, the surfaces of the locking holes are movably connected with locking plates, and the upper end of the supporting column is movably connected with a supporting box through a bearing. A first spring is fixedly connected between the left end of the bottom of an inner cavity of the supporting box and the left end of the bottom of the locking plate, and the left end of the top of the supporting box is movably connected with a rotating sleeve through a bearing. Through the arrangement of the ultrasonic water level gauge, the water level of the water surface below the hydropower station can be effectively monitored in the operation process of the hydropower station, so that personnel can obtain water level information in time, and through the arrangement of a rotating shaft, a locking plate, a first spring, a locking hole, a supporting box and a supporting column, the water level can be conveniently and rapidly monitored. The ultrasonic water level gauge can be separated from the position above the water surface during later overhaul and maintenance operation, and therefore workers can overhaul and maintain the ultrasonic water level gauge on the ground conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of water level monitoring of hydropower stations, in particular to a water level monitoring device for a hydropower station. Background Art

[0002] A hydropower station is a comprehensive engineering facility that converts water energy into electrical energy. It is a place that uses hydropower resources to generate electricity. It is a complex of water, machinery and electricity. A hydropower station generally includes a reservoir formed by water retaining and discharge structures, a water diversion system for the hydropower station, a power plant, electromechanical equipment, etc. The high water level of the reservoir flows into the plant through the water diversion system to drive the turbine generator set to generate electricity, and then is input into the power grid through step-up transformers, switch stations and transmission lines. The water level needs to be monitored during the operation of the hydropower station.

[0003] For example, the Chinese utility model provides "a water level monitoring device", announcement number: CN211205451U, which includes an ultrasonic water level meter and its fixing assembly, the fixing assembly includes a connecting rod, a supporting platform and a tower, the tower is fixedly welded on the base, the tower is composed of a plurality of supporting rods and diagonal supporting rods arranged in the supporting rods, the supporting platform is fixedly arranged on the tower, one end of the connecting rod is connected to the supporting platform through a fixing structure, and the other end of the connecting rod is fixedly connected to an ultrasonic water level meter for monitoring the water level, the fixing structure includes a mounting groove and a fixing plate, the supporting platform is provided with a mounting groove matching the connecting rod, a section of the connecting rod located in the mounting groove is provided with a plurality of connecting holes, a fixing plate is also welded on the connecting rod, and a connecting hole is provided on the end face of the fixing plate facing the supporting platform, the ultrasonic water level meter is securely fixed by the tower, the supporting platform and the fixing structure in the supporting platform, to ensure the stability of the ultrasonic water level meter during operation and to avoid the influence of shaking on the accurate measurement of the water level.

[0004] Although the water level monitoring device in the above technology can securely fix the ultrasonic water level meter, the ultrasonic water level meter often requires personnel to perform regular inspection and maintenance during use. In addition, since the ultrasonic water level meter is above the water surface and the installation and fixing method is relatively cumbersome, the inspection and maintenance work by personnel is relatively troublesome and time-consuming, which causes great inconvenience to the work of personnel. Utility Model Content

[0005] The utility model aims to provide a water level monitoring device for a hydropower station, which is convenient for personnel to quickly disassemble and maintain an ultrasonic water level meter, and the overall operation is convenient and fast, thereby improving the maintenance efficiency of personnel.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water level monitoring device for a hydropower station, comprising a support column, locking holes are provided at both ends of the top of the support column, a locking plate is movably connected to the surface of the locking hole, the upper end of the support column is movably connected to a support box through a bearing, a first spring is fixedly connected between the left end of the bottom of the inner cavity of the support box and the left end of the bottom of the locking plate, the left end of the top of the support box is movably connected to a rotating sleeve through a bearing, the top of the locking plate is movably connected to a rotating shaft between the bearing and the inner cavity of the rotating sleeve, the right end of the bottom of the outer surface of the support box is movably connected to a mounting plate, an ultrasonic water level meter is fixedly installed at the middle end of the bottom of the mounting plate, a fixing plate is fixedly connected to the middle end of the top of the mounting plate, a clamping hole is provided at the upper end of the fixing plate, a movable clamping plate is movably connected to the surface of the clamping hole, a second spring is fixedly connected between the upper end on the right side of the movable clamping plate and the upper end on the right side of the inner cavity of the support box, and a pull rope is fixedly connected between the middle end on the left side of the movable clamping plate and the lower end on the right side of the outer surface of the rotating sleeve.

[0007] As a preferred solution, the middle end of the inner cavity of the support box is movably connected to a guide wheel via a bearing, and the middle end of the pull rope is movably connected to the surface of the guide wheel.

[0008] As a preferred solution, a limiting block is fixedly connected to the left side of the inner cavity of the rotating sleeve, a limiting slot is provided on the left side of the rotating shaft, and the surface of the limiting block is movably connected to the surface of the limiting slot.

[0009] As a preferred solution, a guide slide rod is fixedly connected to the left side of the inner cavity of the support box, the left end of the locking plate is movably connected to the surface of the guide slide rod, the right ends of both sides of the inner cavity of the support box are fixedly connected to support slide rods, and the surface of the movable clamping plate is movably connected to the surface of the support slide rod.

[0010] As a preferred solution, positioning holes are provided at both ends of the mounting plate, positioning blocks are movably connected to the surfaces of the positioning holes, and the top of the positioning blocks is fixedly connected to the right end of the bottom of the outer surface of the support box.

[0011] As a preferred solution, the bottom of the support column is fixedly connected to a mounting base plate, mounting holes are provided on all four sides of the mounting base plate, the middle end of the support column is movably connected to a fixing sleeve through a bearing, and a stabilizing support rod is fixedly connected between the right side of the fixing sleeve and the middle end of the bottom of the outer surface of the support box.

[0012] As a preferred solution, the right ends of both sides of the outer surface of the support box are fixedly connected with support rods, and a protective baffle is fixedly connected between the tops of the two support rods.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can effectively monitor the water level of the water surface below during the operation of the hydropower station through the arrangement of the ultrasonic water level meter, so that personnel can obtain water level information in a timely manner. Through the arrangement of the rotating shaft, the locking plate, the first spring, the locking hole, the support box and the support column, the ultrasonic water level meter can be detached from above the water surface during the later inspection and maintenance work, so that it is convenient for personnel to inspect and maintain the ultrasonic water level meter on the ground. Through the arrangement of the rotating shaft, the rotating sleeve, the pull rope, the movable clamping plate, the second spring, the clamping hole, the fixed plate, the mounting plate and the support box, the effect of rapid disassembly of the ultrasonic water level meter is achieved. The overall operation is convenient and quick, which brings great convenience to the maintenance work of the personnel.

[0015] 2. The utility model achieves the purpose of guiding the pull rope by setting the guide wheel, and avoids the inability to effectively reel in the pull rope due to the inclination of the pull rope during the rotation of the rotating sleeve, and achieves the purpose of limiting the rotation sleeve and the rotating shaft by setting the limit block and the limit groove, ensuring that the rotating sleeve and the rotating shaft can rotate synchronously, and achieves the purpose of guiding the locking plate and the moving card plate by setting the guide slide bar and the supporting slide bar, respectively, to avoid the locking plate and the moving card plate from tilting during the movement, and achieves the purpose of effectively positioning the mounting plate and the supporting box by setting the positioning hole and the positioning block, to avoid the mounting plate from sliding along the surface of the supporting box. The setting of the mounting bottom plate and the mounting hole is convenient for personnel to install and fix the support column, and the setting of the fixing sleeve and the stabilizing support rod achieves the purpose of strengthening the support box, and avoids the support box from tilting due to force, and the setting of the protective baffle plate achieves the purpose of protecting the top of the ultrasonic water level meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a partial cross-sectional structural diagram of the support column of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the rotating sleeve of the utility model;

[0019] Figure 4 It is a partial cross-sectional structural schematic diagram of the support box of the utility model.

[0020] In the figure: 1. Ultrasonic water level meter; 2. Stabilizing support rod; 3. Mounting base plate; 4. Support column; 5. Fixed sleeve; 6. Support box; 7. Rotating shaft; 8. Protective baffle; 9. Support rod; 10. Guide slide bar; 11. First spring; 12. Locking hole; 13. Rotating sleeve; 14. Locking plate; 15. Pull rope; 16. Guide wheel; 17. Limiting groove; 18. Limiting block; 19. Second spring; 20. Moving card plate; 21. Support slide bar; 22. Mounting plate; 23. Positioning hole; 24. Positioning block; 25. Fixed plate; 26. Card hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Embodiment 1:

[0024] See also Figure 1-Figure 4 As shown, the utility model provides a water level monitoring device for a hydropower station, including a support column 4, locking holes 12 are provided at both ends of the top of the support column 4, a locking plate 14 is movably connected to the surface of the locking hole 12, the upper end of the support column 4 is movably connected to a support box 6 through a bearing, a first spring 11 is fixedly connected between the left end of the bottom of the inner cavity of the support box 6 and the left end of the bottom of the locking plate 14, the left end of the top of the support box 6 is movably connected to a rotating sleeve 13 through a bearing, and the top of the locking plate 14 is movably connected to a rotating shaft between the bearing and the inner cavity of the rotating sleeve 13 7. The right end of the bottom of the outer surface of the support box 6 is movably connected with a mounting plate 22, the middle end of the bottom of the mounting plate 22 is fixedly installed with an ultrasonic water level meter 1, the middle end of the top of the mounting plate 22 is fixedly connected with a fixing plate 25, the upper end of the fixing plate 25 is provided with a clamping hole 26, the surface of the clamping hole 26 is movably connected with a movable clamping plate 20, a second spring 19 is fixedly connected between the upper end of the right side of the movable clamping plate 20 and the upper end of the right side of the inner cavity of the support box 6, and a pull rope 15 is fixedly connected between the middle end of the left side of the movable clamping plate 20 and the lower end of the right side of the outer surface of the rotating sleeve 13.

[0025] In the present technical scheme, through the setting of the ultrasonic water level meter 1, the water level of the water surface below can be effectively monitored during the operation of the hydropower station, so that personnel can obtain water level information in time. Through the setting of the rotating shaft 7, the locking plate 14, the first spring 11, the locking hole 12, the support box 6 and the support column 4, the ultrasonic water level meter 1 can be detached from above the water surface during the later inspection and maintenance work, so as to facilitate the inspection and maintenance work of the ultrasonic water level meter 1 on the ground by personnel. Through the setting of the rotating shaft 7, the rotating sleeve 13, the pull rope 15, the movable clamping plate 20, the second spring 19, the clamping hole 26, the fixed plate 25, the mounting plate 22 and the support box 6, the effect of quickly disassembling the ultrasonic water level meter 1 is achieved. The overall operation is convenient and fast, which brings great convenience to the maintenance work of the personnel.

[0026] Embodiment 2:

[0027] On the basis of embodiment 1, the utility model is as follows Figure 1-Figure 4 As shown, the middle end of the inner cavity of the support box 6 is movably connected to the guide wheel 16 through the bearing, the middle end of the pull rope 15 is movably connected to the surface of the guide wheel 16, the left side of the inner cavity of the rotating sleeve 13 is fixedly connected to the limit block 18, the left side of the rotating shaft 7 is provided with a limit groove 17, the surface of the limit block 18 is movably connected to the surface of the limit groove 17, the left side of the inner cavity of the support box 6 is fixedly connected to the guide slide bar 10, the left end of the locking plate 14 is movably connected to the surface of the guide slide bar 10, the right ends of both sides of the inner cavity of the support box 6 are fixedly connected to the support slide bar 21, and the surface of the movable card plate 20 is movably connected to the support slide bar 21. Surface, both ends of the mounting plate 22 are provided with positioning holes 23, the surface of the positioning hole 23 is movably connected with a positioning block 24, the top of the positioning block 24 is fixedly connected to the right end of the bottom of the outer surface of the support box 6, the bottom of the support column 4 is fixedly connected with the mounting base plate 3, the mounting base plate 3 is provided with mounting holes all around, the middle end of the support column 4 is movably connected with a fixing sleeve 5 through a bearing, a stabilizing support rod 2 is fixedly connected between the right side of the fixing sleeve 5 and the middle end of the bottom of the outer surface of the support box 6, the right ends of both sides of the outer surface of the support box 6 are fixedly connected with support rods 9, and a protective baffle 8 is fixedly connected between the tops of the two support rods 9.

[0028] In the present technical solution, the purpose of guiding the pull rope 15 is achieved by setting the guide wheel 16, so as to avoid the pull rope 15 being tilted during the rotation of the rotating sleeve 13 and being unable to effectively reel in the operation. The purpose of limiting the position between the rotating sleeve 13 and the rotating shaft 7 is achieved by setting the limit block 18 and the limit groove 17, so as to ensure that the rotating sleeve 13 and the rotating shaft 7 can rotate synchronously. The purpose of guiding the locking plate 14 and the moving card plate 20 is achieved by setting the guide slide bar 10 and the support slide bar 21, so as to avoid the locking plate 14 and the moving card plate 20 being locked during the movement. The positioning hole 23 and the positioning block 24 are provided to achieve the purpose of effective positioning between the mounting plate 22 and the support box 6, and to prevent the mounting plate 22 from sliding along the surface of the support box 6. The installation base plate 3 and the installation holes are provided to facilitate personnel to install and fix the support column 4. The fixing sleeve 5 and the stabilizing support rod 2 are provided to strengthen the support of the support box 6, and to prevent the support box 6 from tilting due to force. The protective baffle 8 is provided to protect the top of the ultrasonic water level meter 1.

[0029] The working principle of the utility model is as follows: through the setting of the ultrasonic water level meter 1, the water level of the water surface below can be effectively monitored during the operation of the hydropower station, so that personnel can obtain water level information in time, and when it is necessary to perform maintenance work on the ultrasonic water level meter 1, the locking plate 14 can be driven to move by pulling the rotating shaft 7 upward, and the movement of the locking plate 14 can stretch the first spring 11 while the locking plate 14 can be separated from the surface of the locking hole 12, and the limit between the support box 6 and the support column 4 can be released, and then the personnel can push the support box 6 to rotate along the bearing on the support column 4, so that the ultrasonic water level meter 1 can be separated from the water surface, so that it is convenient for personnel to face the ultrasonic water level meter 1 on the ground. The ultrasonic water level meter 1 is inspected and maintained, and the rotating shaft 7 is operated to rotate to drive the rotating sleeve 13 to rotate. The rotation of the rotating sleeve 13 can reel in the pull rope 15, and pull the movable card plate 20 to the left through the pull rope 15. The movement of the movable card plate 20 can stretch the second spring 19 while the movable card plate 20 can be detached from the surface of the card hole 26, and the limit between the fixed plate 25, the mounting plate 22, the ultrasonic water level meter 1 and the support box 6 can be released, so that it is convenient for personnel to remove the ultrasonic water level meter 1 from the bottom of the support box 6, thereby achieving the effect of quickly disassembling the ultrasonic water level meter 1. The overall operation is convenient and fast, which brings great convenience to the maintenance work of the personnel.

[0030] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A water level monitoring device for a hydropower station, comprising a support column (4), characterized in that: Both ends of the top of the support column (4) are provided with locking holes (12), and the surface of the locking hole (12) is movably connected to a locking plate (14). The upper end of the support column (4) is movably connected to a support box (6) through a bearing, and a first spring (11) is fixedly connected between the left end of the bottom of the inner cavity of the support box (6) and the left end of the bottom of the locking plate (14). The left end of the top of the support box (6) is movably connected to a rotating sleeve (13) through a bearing, and the top of the locking plate (14) is movably connected to a rotating shaft (7) between the bearing and the inner cavity of the rotating sleeve (13). The right end of the bottom of the outer surface of the support box (6) is fixedly connected to the left end of the bottom of the inner cavity of the rotating sleeve (13). The end is movably connected to a mounting plate (22), the middle end of the bottom of the mounting plate (22) is fixedly mounted with an ultrasonic water level meter (1), the middle end of the top of the mounting plate (22) is fixedly connected with a fixing plate (25), the upper end of the fixing plate (25) is provided with a clamping hole (26), the surface of the clamping hole (26) is movably connected with a movable clamping plate (20), a second spring (19) is fixedly connected between the upper end of the right side of the movable clamping plate (20) and the upper end of the right side of the inner cavity of the support box (6), and a pull rope (15) is fixedly connected between the middle end of the left side of the movable clamping plate (20) and the lower end of the right side of the outer surface of the rotating sleeve (13).

2. A water level monitoring device for a hydropower station according to claim 1, characterized in that: The middle end of the inner cavity of the support box (6) is movably connected to a guide wheel (16) via a bearing, and the middle end of the pull rope (15) is movably connected to the surface of the guide wheel (16).

3. A water level monitoring device for a hydropower station according to claim 1, characterized in that: A limiting block (18) is fixedly connected to the left side of the inner cavity of the rotating sleeve (13), a limiting groove (17) is provided on the left side of the rotating shaft (7), and the surface of the limiting block (18) is movably connected to the surface of the limiting groove (17).

4. A water level monitoring device for a hydropower station according to claim 1, characterized in that: A guide slide bar (10) is fixedly connected to the left side of the inner cavity of the support box (6), the left end of the locking plate (14) is movably connected to the surface of the guide slide bar (10), the right ends of both sides of the inner cavity of the support box (6) are fixedly connected to support slide bars (21), and the surface of the movable card plate (20) is movably connected to the surface of the support slide bar (21).

5. A water level monitoring device for a hydropower station according to claim 1, characterized in that: Both ends of the mounting plate (22) are provided with positioning holes (23), the surface of the positioning hole (23) is movably connected with a positioning block (24), and the top of the positioning block (24) is fixedly connected to the right end of the bottom of the outer surface of the support box (6).

6. A water level monitoring device for a hydropower station according to claim 1, characterized in that: The bottom of the support column (4) is fixedly connected to a mounting base plate (3), and mounting holes are provided on all sides of the mounting base plate (3). The middle end of the support column (4) is movably connected to a fixing sleeve (5) via a bearing, and a stabilizing support rod (2) is fixedly connected between the right side of the fixing sleeve (5) and the middle end of the bottom of the outer surface of the support box (6).

7. A water level monitoring device for a hydropower station according to claim 1, characterized in that: The right ends of both sides of the outer surface of the support box (6) are fixedly connected with support rods (9), and a protective baffle (8) is fixedly connected between the tops of the two support rods (9).

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