CN219675218U

CN219675218U - Water level monitoring device for hydraulic engineering

Info

Publication number: CN219675218U
Application number: CN202320863800.0U
Authority: CN
Inventors: 蔡伟华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-09-12
Anticipated expiration: 2033-04-13

Abstract

The utility model belongs to the technical field of hydraulic engineering, and particularly discloses a water level monitoring device for hydraulic engineering, which comprises a rotary drum and a bearing mechanism for bearing and rotating the rotary drum, wherein a guide measuring rod and a buoy are arranged in the rotary drum, and the buoy is connected with the guide measuring rod; the outer part of the rotary drum is fixedly connected with a tail mark for adapting to the flow direction of the water body, the bottom of the rotary drum is provided with a filter screen and a net wiper for rotationally wiping the filter screen, and the net wiper is tightly attached to the filter screen; the water height is measured through floating of the buoy, the tail mark rotates along with the flow, and meanwhile the rotary drum is driven to rotate; and the bottom of the rotary drum is provided with a filter screen, so that sediment can be filtered, and meanwhile, the screen wiper can rotate under the action of water flow, so that the filter screen is wiped, and the automatic cleaning by the water flow is realized.

Description

Water level monitoring device for hydraulic engineering

Technical Field

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a hydraulic engineering water level monitoring device.

Background

Hydropower stations are comprehensive engineering facilities that convert water energy into electrical energy. In addition to power generation, some hydropower stations have multiple uses for flood control, irrigation, and shipping. The safety of the hydropower station is critical, and the water level is an important factor affecting the safety of the hydropower station. Therefore, it is necessary to monitor the hydropower station water level throughout. However, when the water level of the hydropower station is monitored, the water level is generally determined by manually observing the change of the water level scale on the water level rod, the efficiency is low, and the alarm timeliness is poor due to errors in manual monitoring. Therefore, the existing manual monitoring of the water level of the hydropower station has the problems of low efficiency and poor alarm timeliness.

The utility model patent of China with the prior patent publication number of CN207991644U provides a water level monitoring device for a hydropower station, which comprises a stand column, wherein the top end part of the stand column is sleeved with a fixed ring; a sliding rod is arranged on one side of the fixed ring, and a plurality of vertically arranged induction points are arranged on the sliding rod; a floating ring is sleeved on the sliding rod, and an inductor is arranged at the position of the floating ring corresponding to the induction point; the sensor is electrically connected with a signal transmitter positioned on the floating ring, and the signal transmitter is connected with a signal receiver through a server signal; the signal receiver is electrically connected with a controller, and the controller is electrically connected with a display and an alarm. However, this solution also has the problem of easy accumulation of dirt impurities after long-term storage, and is not suitable for long-term use.

Disclosure of Invention

Aiming at the problems that the water level monitoring device in the prior art is easy to store dirt and is not suitable for long-term and real-time monitoring, the water level monitoring device for hydraulic engineering is provided. The utility model provides the following technical scheme:

the water level monitoring device for the hydraulic engineering comprises a rotary drum and a bearing mechanism for bearing and rotating the rotary drum, wherein a guide measuring rod and a buoy are arranged in the rotary drum, and the buoy is connected with the guide measuring rod; the rotary drum is fixedly connected with a tail mark for adapting to the flow direction of the water body, a filter screen and a net wiper for rotationally wiping the filter screen are arranged at the bottom of the rotary drum, and the net wiper is tightly attached to the filter screen.

Preferably, the bearing mechanism comprises a tray and a connecting frame, the top of the rotary drum is provided with a connecting hole, the connecting frame penetrates through the connecting hole and is connected to the tray, a sliding groove is formed in the side wall of the top of the rotary drum, a sliding rail is arranged at the top of the tray, and the sliding rail is embedded in the sliding groove.

Preferably, the connecting frame comprises a longitudinal connecting frame, a cross beam and a mounting plate which are sequentially connected, wherein the longitudinal connecting frame is connected with a tray, and the mounting plate is provided with a mounting hole pair for mounting and fixing.

Preferably, wedge-shaped rib plates are connected between the mounting plate and the cross beam.

Preferably, the bottom of the rotary drum is provided with drainage holes which are horizontally arranged in parallel with the net wiper.

Preferably, the drainage hole is parallel to the length direction of the tail mark.

Preferably, the net wiper is connected to the guiding measuring rod through a rotating shaft.

Preferably, one side of the filter screen is provided with a screen wiper, the other side of the filter screen is also provided with an auxiliary wiper, and the auxiliary wiper is coaxially connected with the screen wiper.

Preferably, the buoy is slidably connected to the guiding measuring rod, scales are arranged on the guiding measuring rod, and a detecting head for identifying scale information is arranged on the buoy.

Preferably, the buoy is fixedly connected to the guide measuring rod, the upper end of the guide measuring rod extends out of the rotary drum, and the upper portion of the guide measuring rod is provided with the objective measuring line.

Compared with the prior art, the utility model has the following beneficial effects:

the water height is measured through floating of the buoy, the tail mark rotates along with the flow, and meanwhile the rotary drum is driven to rotate; the bottom of the rotary drum is provided with a filter screen, so that sediment can be filtered, and meanwhile, the screen wiper can rotate under the action of water flow, so that the filter screen is wiped, and automatic cleaning is realized; the net wiper is in a plate-shaped fan blade shape, a drainage hole is arranged at the bottom of the rotary drum, and the drainage hole is horizontally arranged in parallel with the net wiper, so that the flow direction of water flow is tangential to the net wiper, and the rotation of the net wiper is promoted.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic perspective view of a portion of the mechanism of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;

in the accompanying drawings:

1. a rotating drum; 11. a middle cylinder; 12. a bottom cylinder; 13. a bottom cover; 14. a top cover; 15. drainage holes; 2. guiding the measuring rod; 21. a guide block; 3. a buoy; 4. tail marks; 51. a tray; 52. a longitudinal connecting frame; 53. a cross beam; 54. a mounting plate; 55. wedge rib plates; 6. a filter screen; 71. wiping the net; 72. auxiliary wiping; 8. a rotating shaft; 9. a probe;

a. the direction of the liquid flowing into the drainage hole; b. the direction of the liquid flowing out of the drainage hole.

Detailed Description

The directional words such as "upper", "lower", "left", "right", and the like, used in the following embodiments are merely directions with reference to the drawings, and thus, the directional words used are intended to illustrate, not to limit, the utility model.

Example 1

As shown in fig. 1-3, a water level monitoring device for hydraulic engineering comprises a rotary drum 1 and a bearing mechanism for bearing and rotating the rotary drum 1, wherein a guide measuring rod 2 and a buoy 3 are arranged in the rotary drum 1, and the buoy 3 is connected with the guide measuring rod 2; the outer part of the rotary drum 1 is fixedly connected with a tail mark 4 for adapting to the flow direction of water, the bottom of the rotary drum 1 is provided with a filter screen 6 and a net wiper 71 for rotationally wiping the filter screen 6, and the net wiper 71 is closely attached to the filter screen 6; the float 3 floats to measure the height of the water, the tail mark 4 rotates along with the water, and meanwhile, the rotary drum 1 is driven to rotate; the bottom of the rotary drum 1 is provided with the filter screen 6, so that sediment can be filtered, and meanwhile, the screen wiper 71 can rotate under the action of water flow, so that the filter screen 6 is wiped, and the automatic cleaning by the water flow is realized.

Further, the bearing mechanism comprises a tray 51 and a connecting frame, the top of the rotary drum 1 is provided with a connecting hole, the connecting frame penetrates through the connecting hole and is connected to the tray 51, a sliding groove is formed in the side wall of the top of the rotary drum 1, a sliding rail is arranged at the top of the tray 51, and the sliding rail is embedded in the sliding groove.

Further, the connecting frame comprises a longitudinal connecting frame 52, a cross beam 53 and a mounting plate 54 which are sequentially connected, the longitudinal connecting frame 52 is connected with the tray 51, and the mounting plate 54 is provided with a mounting hole pair for mounting and fixing.

Further, wedge-shaped rib plates 55 are connected between the mounting plates 54 and the cross beams 53, so that the structural strength is improved.

Further, the rotary drum 1 sequentially comprises a top cover 14, a middle drum 11, a bottom drum 12 and a bottom cover 13 from top to bottom, the net wiper 71 is in a plate-shaped fan blade shape, the bottom drum 12 at the bottom of the rotary drum 1 is provided with a drainage hole 15, and the drainage hole 15 and the net wiper 71 are horizontally and parallelly arranged, so that the flow direction of water flow is tangential to the net wiper 71, and the rotation of the net wiper 71 is promoted.

Further, the drainage holes 15 are oriented parallel to the length of the tail 4.

Further, the net wiper 71 is connected to the guiding and measuring rod 2 through the rotating shaft 8, the side part of the guiding and measuring rod 2 protrudes outwards to form the guiding block 21, the tray 51 is correspondingly provided with a limiting hole, the guiding block 21 is slidably connected to the limiting hole, and the tray 51 is fixed through the connecting frame, so that the fixing of the guiding and measuring rod 2 and the rotating shaft 8 is realized, and the net wiper 71 is convenient to rotate.

Further, one side of the filter screen 6 is provided with a screen wiper 71, the other side is also provided with an auxiliary wiper 72, and the auxiliary wiper 72 is coaxially connected with the screen wiper 71, so that the upper side and the lower side of the filter screen 6 are cleaned simultaneously.

Further, buoy 3 sliding connection is in direction measuring stick 2, is provided with the scale on the direction measuring stick 2, is provided with the detecting head 9 of discernment scale information on the buoy 3, and buoy 3 floats along with the water level, and detecting head 9 detects the scale along with it, and then realizes the measurement of water level.

Example 2

Unlike embodiment 1, the buoy 3 is fixedly connected to the guiding measuring rod 2, the upper end of the guiding measuring rod extends out of the rotary drum 1, and the upper portion of the guiding measuring rod 2 is provided with a measuring line for facilitating manual measurement.

Claims

1. The water level monitoring device for the hydraulic engineering is characterized by comprising a rotary drum (1) and a bearing mechanism for bearing and rotating the rotary drum (1), wherein a guide measuring rod (2) and a buoy (3) are arranged in the rotary drum (1), and the buoy (3) is connected with the guide measuring rod (2); the rotary drum (1) is fixedly connected with tail mark (4) that are used for adapting to the water flow direction outward, and rotary drum (1) bottom is provided with filter screen (6) and is used for rotating to wipe net of filter screen (6) and rubs (71), and net rubs (71) are hugged closely filter screen (6) and are set up.

2. The water level monitoring device for hydraulic engineering according to claim 1, wherein the bearing mechanism comprises a tray (51) and a connecting frame, the top of the rotary drum (1) is provided with a connecting hole, the connecting frame penetrates through the connecting hole and is connected to the tray (51), a sliding groove is formed in the side wall of the top of the rotary drum (1), a sliding rail is arranged at the top of the tray (51), and the sliding rail is embedded in the sliding groove.

3. The water level monitoring device for hydraulic engineering according to claim 2, wherein the connecting frame comprises a longitudinal connecting frame (52), a cross beam (53) and a mounting plate (54) which are sequentially connected, the longitudinal connecting frame (52) is connected with a tray (51), and a mounting hole pair for mounting and fixing is arranged on the mounting plate (54).

4. A water level monitoring device for hydraulic engineering according to claim 3, characterized in that wedge-shaped rib plates (55) are connected between the mounting plate (54) and the cross beam (53).

5. The water level monitoring device for hydraulic engineering according to claim 1, wherein a drainage hole (15) is arranged at the bottom of the rotary drum (1), and the drainage hole (15) is horizontally arranged in parallel with the net wiper (71).

6. The water level monitoring device for hydraulic engineering according to claim 5, wherein the drainage hole (15) is parallel to the length direction of the tail mark (4).

7. The water level monitoring device for hydraulic engineering according to claim 1, wherein the net wiper (71) is connected to the guiding measuring rod (2) through the rotating shaft (8).

8. The water level monitoring device for hydraulic engineering according to claim 7, wherein a screen wiper (71) is arranged on one side of the filter screen (6), an auxiliary wiper (72) is arranged on the other side of the filter screen, and the auxiliary wiper (72) is coaxially connected with the screen wiper (71).

9. The water level monitoring device for hydraulic engineering according to claim 1, wherein the buoy (3) is slidably connected to the guiding measuring rod (2), a scale is arranged on the guiding measuring rod (2), and a detecting head (9) for identifying scale information is arranged on the buoy (3).

10. The water level monitoring device for hydraulic engineering according to claim 1, wherein the buoy (3) is fixedly connected to the guiding measuring rod (2), the upper end of the guiding rod measuring rod extends out of the rotary drum (1) to be arranged, and a target line is arranged on the upper portion of the guiding measuring rod (2).