Water gauge for large hydropower station and auxiliary installation equipment of water gauge

Abstract

The invention relates to the technical field of water conservancy projects, and particularly discloses a water gauge for a large hydropower station and auxiliary mounting equipment of the water gauge. A water gauge panel is mounted on the outer wall of the supporting attachment plate, mounting plates are mounted at the two ends of the water gauge panel, and guide rods are mounted on the outer walls of the two mounting plates; the mounting mechanism comprises a mounting base, four expansion screws, four leveling mechanisms, four leveling bases, four universal horizontal bubbles and four second leveling holes; the installation base is installed on a dam through the expansion screw, then the leveling screw rod is sequentially sleeved with the leveling nut, the leveling base and the fastening nut, the leveling nut is matched with the universal horizontal bubble to adjust the position of the leveling base, the leveling base is made to be completely perpendicular, and therefore it is ensured that the water gauge can be vertically installed on the dam; the influence of installation errors on water gauge reading is avoided, the accuracy of water level monitoring is ensured, and dam safety is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of water conservancy engineering, and in particular relates to a water gauge of a large hydropower station and auxiliary installation equipment thereof. Background Art

[0002] Water gauges, as a measuring device that is often firmly installed on rivers and dams, are very common in measuring water depth. They greatly facilitate the measurement work of relevant personnel, allowing them to quickly and accurately determine the current water depth data by directly observing the intersection of the scale marked on the water gauge and the water surface. Especially in large hydropower stations, water gauges installed on the dam can be used to measure the water level of the reservoir upstream of the dam. These water level observation data will be directly used in the safety monitoring of the dam and the water situation forecast of the hydropower station.

[0003] There is a significant problem when using the existing water gauge: it is easy to tilt during the installation process, and it is difficult to ensure that it is vertically fixed on the dam. This tilt will cause the installation position of the starting scale line of the ruler to deviate from the actual required position, resulting in an error of several millimeters or even centimeters. These installation errors will directly affect the accurate reading of the water gauge, and thus have an adverse effect on the accuracy of water level monitoring. Summary of the invention

[0004] The purpose of the present invention is to provide a water gauge for a large hydropower station and its auxiliary installation equipment to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A water gauge for a large hydropower station and its auxiliary installation equipment, comprising:

[0007] Support attachment plate;

[0008] The outer wall of the supporting attachment plate is installed with a water gauge panel, both ends of the water gauge panel are installed with mounting plates, and the outer walls of the two mounting plates are installed with guide rods;

[0009] The mounting mechanism comprises a mounting base, an expansion screw, a leveling mechanism, a leveling base, a universal level bubble and a second leveling hole. The expansion screw, the leveling mechanism and the second leveling hole are each provided with four. The four expansion screws are respectively installed on the four sides of the outer wall of the mounting base. The four leveling mechanisms are respectively installed on the four corners of the outer wall of the mounting base. The leveling base is installed on the outer surfaces of the four leveling mechanisms, and the leveling base is installed on the inner side of the supporting attachment plate through the four leveling mechanisms. The universal level bubble is installed on the top of the mounting base. The four second leveling holes are respectively opened at the four corners of the outer wall of the leveling base;

[0010] A cleaning mechanism is installed between the outer surfaces of the two guide rods and is used to clean the outer wall of the water gauge panel.

[0011] Preferably, the leveling mechanism includes a leveling screw, a leveling nut, a fastening nut and a measuring nut, the leveling screw is installed on the outer wall of the mounting base, the leveling nut is installed on one side of the outer surface of the leveling screw, the fastening nut is installed in the middle of the outer surface of the leveling screw, and the measuring nut is installed on the other side of the outer surface of the leveling screw.

[0012] Preferably, the diameter of the leveling screw is consistent with the width of the second leveling hole but smaller than its length, and the mounting base and the leveling base are both configured as rectangular stainless steel frames.

[0013] Preferably, two first leveling holes are provided on both sides of the outer wall of the supporting attachment plate and on both sides of the outer wall of the water gauge panel, mounting holes are provided on the four corners and both sides of the outer wall of the supporting attachment plate and on the four corners and both sides of the outer wall of the water gauge panel, and mounting bolts are installed between two adjacent mounting holes, and mounting nuts are installed on the outer surfaces of several of the mounting bolts.

[0014] Preferably, three positioning rods are installed at the bottom end of the supporting attachment plate, three positioning grooves are opened at the top end of the supporting attachment plate, limiting grooves are opened on the opposite surfaces of the two guide rods, and a plurality of tooth grooves are opened on the outer walls of the two guide rods.

[0015] Preferably, the guide rod and the mounting nut do not contact each other, the shape of the first leveling hole is consistent with the shape of the second leveling hole, the thickness of the nut on the mounting bolt is consistent with the thickness of the fastening nut, and the limiting groove is set as a T-shaped structure.

[0016] Preferably, the cleaning mechanism includes a storage box, a cleaning wipe, a limiting frame, a cleaning pipe, a water pipe and a water pump, the cleaning wipe is installed on the inner upper part of the storage box, two limiting frames are provided, and the two limiting frames are respectively installed on the inner two ends of the storage box, the two limiting frames are respectively slidably connected to the two limiting grooves, the cleaning pipe is installed on the inner lower part of the storage box, the water pipe is installed on the bottom end of the cleaning pipe, and the water pump is installed on the bottom end of the water pipe.

[0017] Preferably, a fixing frame is installed between the middle of the top inner wall and the middle of the bottom inner wall of the storage box, a double-headed motor is installed between the inner walls on both sides of the fixing frame, driving shafts are installed at both ends of the fixing frame through bearings, and the two driving shafts are respectively installed on the inner walls on both sides of the storage box through bearings, and lifting gears are installed on the opposite sides of the two driving shafts.

[0018] Preferably, the lifting gear is meshed with a corresponding number of tooth grooves, the water supply pipe is configured as a long hose, a number of cleaning holes are opened on the inner side of the cleaning pipe, the inner side of the cleaning wipe contacts the outer wall of the water gauge panel, and the top and bottom ends of the storage box are configured as triangular structures.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The present invention sets a mounting mechanism on the inner side of the supporting attachment plate, and installs the mounting base on the dam by means of expansion screws. Then, the leveling nut, the leveling base and the fastening nut are sequentially put on the leveling screw rod. The leveling nut cooperates with the universal level bubble to adjust the position of the leveling base so that the leveling base is completely vertical, thereby ensuring that the water gauge can be installed vertically on the dam, avoiding the influence of installation errors on the water gauge readings, ensuring the accuracy of water level monitoring, and protecting the safety of the dam.

[0021] (2) The present invention provides a water gauge panel on the outer surface of the supporting attachment plate. By passing the mounting bolts through the corresponding two mounting holes and putting the mounting nuts on the mounting bolts and tightening them, the supporting attachment plate and the water gauge panel can be installed and disassembled, which is convenient for the inspection and maintenance of the water gauge. At the same time, by inserting the positioning rod into the positioning groove, the upper and lower supporting attachment plates can be butt-jointed, thereby lengthening the length of the water gauge panel according to actual needs and meeting the use requirements in more scenarios.

[0022] (3) The present invention sets a cleaning mechanism on the outer surface of the water gauge panel, starts the double-headed motor to drive the lifting gear to rotate, and then through the meshing transmission between the lifting gear and a plurality of tooth grooves, and cooperates with the limiting frame to slide and limit in the limiting groove, the storage box carrying the cleaning wipe and the cleaning tube can move downward stably, and the water pump draws water and inputs it into the cleaning tube and sprays it out, so as to clean the water gauge panel, and the outer wall of the water gauge panel is cleaned by the cleaning wipe, thereby improving the clarity of the water gauge panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A perspective view of the present invention;

[0024] Figure 2 is a three-dimensional diagram of the mounting mechanism of the present invention;

[0025] Figure 3 A three-dimensional diagram of the leveling mechanism of the present invention;

[0026] Figure 4 It is a connection diagram of multiple water gauges of the present invention;

[0027] Figure 5 An exploded view of the water gauge assembly of the present invention;

[0028] Figure 6 For the present invention Figure 1 A magnified view of middle;

[0029] Figure 7 A three-dimensional diagram of the cleaning mechanism of the present invention;

[0030] Figure 8 is a cross-sectional view of the storage box of the present invention;

[0031] In the figure: 1. Supporting plate; 2. Water gauge panel; 3. Mounting mechanism; 4. Mounting plate; 5. Guide rod; 6. Cleaning mechanism; 7. First leveling hole; 8. Mounting hole; 9. Mounting bolt; 10. Mounting nut; 11. Positioning rod; 12. Positioning slot; 13. Limiting slot; 14. Tooth slot;

[0032] 31. Installation base; 32. Expansion screw; 33. Leveling mechanism; 34. Leveling base; 35. Universal level bubble; 36. Second leveling hole;

[0033] 331, leveling screw; 332, leveling nut; 333, fastening nut; 334, ruler nut;

[0034] 61. Storage box; 62. Cleaning wipe; 63. Limiting frame; 64. Cleaning pipe; 65. Water pipe; 66. Water pump; 67. Fixed frame; 68. Double-head motor; 69. Driving shaft; 610. Lifting gear. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Embodiment 1:

[0037] See also Figures 1 to 8 As shown, a water gauge for a large hydropower station and its auxiliary installation equipment include:

[0038] Support attachment plate 1;

[0039] The outer wall of the supporting attachment plate 1 is installed with a water gauge panel 2, both ends of the water gauge panel 2 are installed with mounting plates 4, and the outer walls of the two mounting plates 4 are installed with guide rods 5;

[0040] The mounting mechanism 3 includes a mounting base 31, expansion screws 32, a leveling mechanism 33, a leveling base 34, a universal leveling bubble 35 and a second leveling hole 36. Four expansion screws 32, four leveling mechanisms 33 and two leveling holes 36 are provided. Four expansion screws 32 are respectively installed on the four sides of the outer wall of the mounting base 31. Four leveling mechanisms 33 are respectively installed on the four corners of the outer wall of the mounting base 31. The leveling base 34 is installed on the outer surfaces of the four leveling mechanisms 33. The leveling base 34 is installed on the inner side of the supporting attachment plate 1 through the four leveling mechanisms 33. The universal leveling bubble 35 is installed on the top of the mounting base 31. Four second leveling holes 36 are respectively opened at the four corners of the outer wall of the leveling base 34.

[0041] The cleaning mechanism 6 is installed between the outer surfaces of the two guide rods 5 , and the cleaning mechanism 6 is used to clean the outer wall of the water gauge panel 2 .

[0042] Depend on Figures 1 to 3 It can be seen that the leveling mechanism 33 includes a leveling screw 331, a leveling nut 332, a fastening nut 333 and a scale nut 334. The leveling screw 331 is installed on the outer wall of the mounting base 31, the leveling nut 332 is installed on one side of the outer surface of the leveling screw 331, the fastening nut 333 is installed in the middle of the outer surface of the leveling screw 331, and the scale nut 334 is installed on the other side of the outer surface of the leveling screw 331.

[0043] As can be seen from the above, first, use the total station to measure the elevation to the water gauge installation location to determine the specific installation location of the water gauge, then install the electric protection motor, lower the designed safety railing to the required construction location for fixation, then lower the construction personnel to the designated location, and drill holes on the dam according to the location. Next, insert the expansion screws 32 into the holes drilled on the dam body, and the installation base 31 can be firmly installed on the dam through the expansion screws 32. After that, the leveling nut 332, the leveling base 34 and the fastening nut 333 are successively put on the leveling screw 331, and the leveling nut 332 is rotated and matched with the second leveling hole 36 to change the position of the leveling base 34 on the leveling screw 331. The verticality of the leveling base 34 can be adjusted in combination with the universal level bubble 35. 34 to be completely vertical, then tighten the fastening nut 333 to firmly mount the leveling base 34 on the leveling screw 331, and then put the installed supporting attachment plate 1 and the water gauge panel 2 on the leveling screw 331 through the first leveling hole 7, and test and correct the elevation of the scale surface, finally put the scale surface nut 334 on the leveling screw 331 and tighten it, so as to ensure that the large vertical water gauge can be vertically and firmly installed on the dam, avoid the influence of installation error on the reading of the water gauge, and thereby ensure the accuracy of water level monitoring, and after the water gauge is installed, it can be combined with the video monitoring system, when the self-recording water level meter is operating well, it is used to check whether the self-recording instrument is operating normally. When the self-recording water level fails, the water level of the dam can be monitored manually and by video to ensure the safety of the dam.

[0044] Specifically, as shown in the reference, the diameter of the leveling screw 331 is consistent with the width of the second leveling hole 36, but smaller than its length, and the mounting base 31 and the leveling base 34 are both configured as rectangular stainless steel frames.

[0045] From the above, it can be seen that the leveling screw 331 is ensured to be able to pass through the second leveling hole 36 smoothly to achieve the leveling function, and a certain adjustment space is allowed for the leveling screw 331 in the second leveling hole 36 to achieve the vertical installation of the large water gauge and achieve the purpose of horizontal adjustment, providing a stable support structure, and the stainless steel material is corrosion-resistant and wear-resistant, suitable for long-term use in a humid environment, thereby extending the service life of the mounting base 31 and the leveling base 34.

[0046] Embodiment 2:

[0047] refer to Figures 4 to 6 As shown, two first leveling holes 7 are provided on both sides of the outer wall of the supporting attachment plate 1 and the outer wall of the water gauge panel 2, and mounting holes 8 are provided at the four corners and both sides of the outer wall of the supporting attachment plate 1 and the four corners and both sides of the outer wall of the water gauge panel 2, and mounting bolts 9 are installed between two adjacent mounting holes 8, and mounting nuts 10 are installed on the outer surfaces of several mounting bolts 9;

[0048] Three positioning rods 11 are installed at the bottom end of the supporting attachment plate 1, three positioning grooves 12 are opened at the top of the supporting attachment plate 1, limiting grooves 13 are opened on the opposite surfaces of the two guide rods 5, and a plurality of tooth grooves 14 are opened on the outer walls of the two guide rods 5.

[0049] As can be seen from the above, first, the mounting bolts 9 are passed through the mounting holes 8 on the supporting attachment plate 1 and the water gauge panel 2 in turn, and then the mounting nuts 10 are put on the mounting bolts 9 and tightened, so as to achieve a firm installation of the supporting attachment plate 1 and the water gauge panel 2. In actual use, this installation method is also convenient for removing the water gauge panel 2 from the supporting attachment plate 1, which is convenient for maintenance personnel to carry out inspection and maintenance. At the same time, by inserting the positioning rod 11 on the upper supporting attachment plate 1 into the positioning groove 12 on the lower supporting attachment plate 1, the docking installation between the upper and lower supporting attachment plates 1 can be achieved, thereby lengthening the entire water gauge according to actual needs, meeting the use needs in more scenarios, and expanding the scope of application of the water gauge.

[0050] Preferably, reference Figures 4 to 6 As shown, the guide rod 5 and the mounting nut 10 do not contact each other, the shape of the first leveling hole 7 is consistent with the shape of the second leveling hole 36, the thickness of the nut on the mounting bolt 9 is consistent with the thickness of the fastening nut 333, and the limiting groove 13 is set as a T-shaped structure.

[0051] As can be seen from the above, friction between the guide rod 5 and the mounting nut 10 is avoided, and the leveling screw 331 is allowed to pass through the second leveling hole 36 and the first leveling hole 7 to achieve the installation and leveling of the entire large water gauge, ensure that the spacing between the supporting attachment plate 1 and the water gauge panel 2 is consistent, provide stable guiding and limiting functions, and ensure that the limit frame 63 will not disengage from the limit groove 13 when moving.

[0052] Embodiment three:

[0053] refer to Figure 7 and Figure 8 As shown, the cleaning mechanism 6 includes a storage box 61, a cleaning wipe 62, a limiting frame 63, a cleaning pipe 64, a water pipe 65 and a water pump 66. The cleaning wipe 62 is installed at the inner upper part of the storage box 61. Two limiting frames 63 are provided, and the two limiting frames 63 are respectively installed at the inner ends of the storage box 61. The two limiting frames 63 are respectively slidably connected with the two limiting grooves 13. The cleaning pipe 64 is installed at the inner lower part of the storage box 61. The water pipe 65 is installed at the bottom end of the cleaning pipe 64, and the water pump 66 is installed at the bottom end of the water pipe 65.

[0054] A fixed frame 67 is installed between the middle of the top inner wall and the middle of the bottom inner wall of the storage box 61, and a double-headed motor 68 is installed between the inner walls on both sides of the fixed frame 67. Drive shafts 69 are installed at both ends of the fixed frame 67 through bearings, and the two drive shafts 69 are respectively installed on the inner walls on both sides of the storage box 61 through bearings, and lifting gears 610 are installed on the opposite sides of the two drive shafts 69.

[0055] As can be seen from the above, when the vertical water gauge is installed on the dam of a large hydropower station, the double-headed motor 68 and the water pump 66 can be started, and the double-headed motor 68 drives the two driving shafts 69 to rotate, thereby driving the two lifting gears 610 to rotate. Through the meshing transmission between the lifting gears 610 and the plurality of tooth grooves 14, and in conjunction with the sliding limit of the limit frame 63 in the limit groove 13, the storage box 61 carrying the cleaning wipe 62 and the cleaning tube 64 can move downward stably, and the cleaning wipe 62 then cleans the outer wall of the water gauge panel 2. Because the top and bottom ends of the storage box 61 are designed as triangular structures, the resistance encountered by the storage box 61 during movement is reduced, so that it can move smoothly in the water. At the same time, the water pump 66 draws water from the water in the dam and inputs the water into the cleaning pipe 64 through the water pipe 65. Several cleaning holes on the cleaning pipe 64 spray water onto the water gauge panel 2 to moisten the dry and hard stains on the surface of the water gauge panel 2, which is convenient for subsequent cleaning 62 to scrub. This process improves the clarity of the water gauge panel 2 and facilitates reading of water level data.

[0056] Preferably, reference Figure 7 and Figure 8 As shown, the lifting gear 610 is meshed with the corresponding plurality of tooth grooves 14, the water delivery pipe 65 is configured as a long hose, a plurality of cleaning holes are provided on the inner side of the cleaning pipe 64, the inner side of the cleaning wipe 62 is in contact with the outer wall of the water gauge panel 2, and the top and bottom ends of the storage box 61 are configured as triangular structures.

[0057] As can be seen from the above, the position of the storage box 61 can be easily adjusted through gear transmission, so that the water pipe 65 has a flexible water delivery path, which is convenient for it to move together with the storage box 61, ensuring that water can be evenly sprayed onto the water gauge panel 2, thereby improving the cleaning effect. Dirt and attachments on the water gauge panel 2 can be removed by physical friction, keeping the water gauge panel 2 clean and the reading clarity. The triangle can reduce the resistance of the storage box 61 during movement.

[0058] Application examples:

[0059] This design is applied to the water level monitoring area of ​​large hydropower stations. These areas are usually located downstream or upstream of the hydropower station dam. It is necessary to accurately monitor the water level changes of the reservoir or river to ensure the safe operation and power generation efficiency of the hydropower station. The core principle of this design is to use the installation mechanism 3 to firmly install the water gauge on the dam, and to ensure the complete vertical installation of the water gauge through the internal leveling mechanism 33, so that the water gauge can accurately reflect the actual water level and improve the accuracy of the monitoring data. In this way, when the water level changes, the scale on the water gauge panel 2 can accurately reflect the actual water level, and can also achieve The firm installation of the water gauge on the dam can maintain the stability of the water gauge even in a turbulent water environment, avoiding the reading being affected by shaking or tilting. At the same time, by installing bolts 9 and nuts 10, the installation and disassembly of the water gauge panel 2 on the supporting plate 1 can be easily achieved, which is convenient for the maintenance and inspection of the equipment and reduces the maintenance cost and time. In addition, a cleaning mechanism 6 is provided, which can automatically clean the outer wall of the water gauge panel 2 to prevent the reading clarity from being affected by the adhesion of debris such as mud, algae, etc., thereby maintaining the clarity of the water gauge panel 2 and facilitating the reading of data.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water gauge for a large hydropower station and its auxiliary installation equipment, characterized in that: include: Support attachment plate (1); The outer wall of the supporting attachment plate (1) is mounted with a water gauge panel (2), both ends of the water gauge panel (2) are mounted with mounting plates (4), and the outer walls of the two mounting plates (4) are mounted with guide rods (5); A mounting mechanism (3), the mounting mechanism (3) comprising a mounting base (31), an expansion screw (32), a leveling mechanism (33), a leveling base (34), a universal leveling bubble (35) and a second leveling hole (36), wherein the expansion screw (32), the leveling mechanism (33) and the second leveling hole (36) are each provided with four, the four expansion screws (32) are respectively mounted on the four sides of the outer wall of the mounting base (31), the four leveling mechanisms (33) are respectively mounted on the four corners of the outer wall of the mounting base (31), the leveling base (34) is mounted on the outer surfaces of the four leveling mechanisms (33), and the leveling base (34) is mounted on the inner side of the supporting attachment plate (1) through the four leveling mechanisms (33), the universal leveling bubble (35) is mounted on the top of the mounting base (31), and the four second leveling holes (36) are respectively opened at the four corners of the outer wall of the leveling base (34); A cleaning mechanism (6) is installed between the outer surfaces of the two guide rods (5), and the cleaning mechanism (6) is used to clean the outer wall of the water gauge panel (2).

2. A water gauge for a large hydropower station and its auxiliary installation equipment according to claim 1, characterized in that: The leveling mechanism (33) comprises a leveling screw (331), a leveling nut (332), a fastening nut (333) and a scale nut (334); the leveling screw (331) is mounted on the outer wall of the mounting base (31); the leveling nut (332) is mounted on one side of the outer surface of the leveling screw (331); the fastening nut (333) is mounted on the middle part of the outer surface of the leveling screw (331); and the scale nut (334) is mounted on the other side of the outer surface of the leveling screw (331).

3. A water gauge for a large hydropower station and its auxiliary installation equipment according to claim 2, characterized in that: The diameter of the leveling screw (331) is consistent with the width of the second leveling hole (36), but smaller than its length. The mounting base (31) and the leveling base (34) are both configured as rectangular stainless steel frames.

4. A water gauge for a large hydropower station and its auxiliary installation equipment according to claim 1, characterized in that: Two first leveling holes (7) are provided on both sides of the outer wall of the supporting attachment plate (1) and the outer wall of the water gauge panel (2), and mounting holes (8) are provided at the four corners and both sides of the outer wall of the supporting attachment plate (1) and the outer wall of the water gauge panel (2), and mounting bolts (9) are installed between two adjacent mounting holes (8), and mounting nuts (10) are installed on the outer surfaces of a plurality of the mounting bolts (9).

5. A water gauge for a large hydropower station and its auxiliary installation equipment according to claim 4, characterized in that: Three positioning rods (11) are installed at the bottom end of the supporting attachment plate (1), three positioning grooves (12) are provided at the top end of the supporting attachment plate (1), limiting grooves (13) are provided on the opposite surfaces of the two guide rods (5), and a plurality of tooth grooves (14) are provided on the outer walls of the two guide rods (5).

6. A water gauge for a large hydropower station and its auxiliary installation equipment according to claim 5, characterized in that: The guide rod (5) and the mounting nut (10) do not contact each other, the shape of the first leveling hole (7) is consistent with the shape of the second leveling hole (36), the thickness of the nut on the mounting bolt (9) is consistent with the thickness of the fastening nut (333), and the limiting groove (13) is set as a T-shaped structure.

7. A water gauge for a large hydropower station and its auxiliary installation equipment according to claim 1, characterized in that: The cleaning mechanism (6) comprises a storage box (61), a cleaning wipe (62), a limiting frame (63), a cleaning pipe (64), a water pipe (65) and a water pump (66); the cleaning wipe (62) is mounted on the upper inner portion of the storage box (61); two limiting frames (63) are provided, and the two limiting frames (63) are respectively mounted on the two inner ends of the storage box (61); the two limiting frames (63) are respectively slidably connected to the two limiting grooves (13); the cleaning pipe (64) is mounted on the lower inner portion of the storage box (61); the water pipe (65) is mounted on the bottom end of the cleaning pipe (64); and the water pump (66) is mounted on the bottom end of the water pipe (65).

8. A water gauge for a large hydropower station and its auxiliary installation equipment according to claim 7, characterized in that: A fixed frame (67) is installed between the middle of the top inner wall and the middle of the bottom inner wall of the storage box (61); a double-headed motor (68) is installed between the inner walls on both sides of the fixed frame (67); driving shafts (69) are installed at both ends of the fixed frame (67) through bearings, and the two driving shafts (69) are respectively installed on the inner walls on both sides of the storage box (61) through bearings; and lifting gears (610) are installed on the opposite sides of the two driving shafts (69).

9. A water gauge for a large hydropower station and its auxiliary installation equipment according to claim 8, characterized in that: The lifting gear (610) is meshed with a plurality of corresponding tooth grooves (14); the water delivery pipe (65) is configured as a long hose; a plurality of cleaning holes are provided on the inner side of the cleaning pipe (64); the inner side of the cleaning wipe (62) contacts the outer wall of the water gauge panel (2); and the top and bottom ends of the storage box (61) are both configured as triangular structures.

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