CN213148009U

CN213148009U - Dam water conservancy monitoring devices

Info

Publication number: CN213148009U
Application number: CN202022435281.7U
Authority: CN
Inventors: 邵长军; 赵晋; 王静
Original assignee: Shandong Water Conservancy Engineering Test Center Co ltd
Current assignee: Shandong Water Conservancy Engineering Test Center Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-05-07
Anticipated expiration: 2030-10-28

Abstract

The utility model belongs to the hydraulic engineering field specifically discloses a dam water conservancy monitoring devices, including the water level measuring pole, its upper portion sets up the water level measuring room, and water level measuring pole one side sets up the wave absorption water inlet, and the embedding has the kicking block in the water level measuring room, and the water level measuring pole outside is provided with the water level indicator piece, and the kicking block middle part sets up a lifter perpendicularly, the lifter upper end downward bending type become with the pull rod of water level indicator piece top rigid coupling. The utility model protects the floating block by the water level measuring chamber inside the water level measuring rod, and the wave absorbing sheet in the wave absorbing water inlet is matched to buffer water waves, so that the stable floating of the floating block can be ensured, and the influence of water fluctuation is small; utilize linking up of lifter and pull rod, go up and down water level indicator block and kicking block synchronous outside the water level measuring stick for survey the water level height, because the water level indicator block does not contact with the surface of water, consequently also can not receive the ripples influence of water, can stably show the water level height, the water level measurement degree of accuracy is higher.

Description

Dam water conservancy monitoring devices

Technical Field

The utility model relates to a hydraulic engineering field specifically is a dam water conservancy monitoring devices.

Background

The dam refers to a weir for intercepting rivers and blocking water, and a water blocking dam of reservoirs, rivers and the like. The common reservoir dam mainly comprises a main dam, an auxiliary dam, a gravity dam, a normal spillway, an emergency spillway, a smart main canal culvert and a power station. In a hydraulic engineering monitoring system, a water level monitoring device is usually required to be arranged on a dam for intuitively mastering the real-time water level height of the dam; however, the existing water level measuring device has poor stability, and particularly, the floating ball type measuring device is greatly influenced by water waves and is inconvenient to accurately observe the height of the water level.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dam water conservancy monitoring devices to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dam water conservancy monitoring device comprises a water level measuring rod vertically installed on a dam slope, wherein the lower end of the water level measuring rod is of a solid structure fixedly inserted into the dam slope, the upper part of the water level measuring rod is provided with a water level measuring chamber of a hollow structure, one side of the water level measuring rod is provided with a wave absorption water inlet communicated with the bottom of the water level measuring chamber, a floating block is embedded into the water level measuring chamber, a water level indicating block corresponding to the floating block is arranged outside the water level measuring rod, the middle part of the floating block is vertically provided with a lifting rod, and the upper end of the lifting rod extends out of the water level measuring rod upwards and is bent downwards to form a pull rod fixedly; the outer wall of the water level measuring rod is vertically provided with a water level scale mark, and the top of the water level indicating block is provided with an indicating needle pointing to the water level scale mark; the wave absorption water inlet is internally embedded with a filter screen, a plurality of wave absorption plates are distributed in the wave absorption water inlet in a vertically staggered manner, the wave absorption plates are of arc-shaped curved surface structures, and the arched surfaces of the wave absorption plates face the direction of the filter screen.

Preferably, the floating block is attached to the inner wall of the water level measuring chamber to slide, and the water level indicating block is attached to the outer wall of the water level measuring rod to slide.

Preferably, the lifting rod and the pull rod are parallel to each other, the cover plate is packaged at the top of the water level measuring rod, and a limiting guide hole for the lifting rod and the pull rod to slide through is formed in the cover plate.

Preferably, the lower end of the water level indicating block is of a tip structure, and the bottom surface of the water level indicating block is higher than the bottom surface of the floating block.

Preferably, a reinforcing rod is vertically arranged at the joint of the water level measuring rod and the dam slope, one end of the reinforcing rod is inserted into the dam slope, the other end of the reinforcing rod extends out, and the extending end of the reinforcing rod is connected with the dam slope through a vertically arranged fixing pin in a supporting mode.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses set up the water level measuring rod on dykes and dams slope, protect the kicking block with its inside water level measuring chamber, cooperate the wave absorption piece in the wave absorption water inlet to cushion the water wave, can guarantee the stable showy of kicking block, receive the influence of water fluctuation less; utilize linking up of lifter and pull rod, go up and down water level indicator block and kicking block synchronous outside the water level measuring stick for survey the water level height, because the water level indicator block does not contact with the surface of water, consequently also can not receive the ripples influence of water, can stably show the water level height, the water level measurement degree of accuracy is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the water level measuring rod of the present invention;

fig. 3 is a schematic view of a specific structure of the cover plate of the present invention;

FIG. 4 is a schematic view of the water level indicating block of the present invention;

fig. 5 is the concrete structure schematic diagram of the wave-absorbing water inlet of the present invention.

In the figure: 1. a dike slope; 2. a water level measuring rod; 3. a water level measuring chamber; 4. a wave-absorbing water inlet; 5. floating blocks; 6. a water level indicating block; 7. a lifting rod; 8. a pull rod; 9. a cover plate; 10. limiting a guide hole; 11. water level scale lines; 12. an indicator needle; 13. a filter screen; 14. a wave elimination plate; 15. a reinforcing bar; 16. and fixing the pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a dam water conservancy monitoring devices, includes the vertical water level measuring stick 2 of installing on dykes and

dams slope

1, 2 lower extremes of water level measuring stick are the solid construction of fixed insertion in dykes and dams slope 1, and its upper portion sets up to hollow structure's water

level measurement room

3, and 2 one sides of water level measuring stick are provided with the wave absorption water inlet 4 with 3 bottom intercommunications of water level measurement room.

Example 1: the water level measuring chamber 3 is embedded with a floating block 5, the outside of the water level measuring rod 2 is provided with a water level indicating block 6 corresponding to the floating block 5, the middle part of the floating block 5 is vertically provided with a lifting rod 7, and the upper end of the lifting rod 7 upwards extends out of the water level measuring rod 2 and is downwards bent to form a pull rod 8 fixedly connected with the top of the water level indicating block 6.

During measurement, water enters the water level measuring chamber 3 of the water level measuring rod 2 from the wave-absorbing water inlet 4, and the floating block 5 rises and falls along with the rise and fall of the water level and is always in a state of floating on the liquid level; the lifting of the floating block 5 drives the lifting rod 7 to lift, so that the pull rod 8 drives the external water level indicating block 6 to lift synchronously, and the water level height is indicated in real time.

In this embodiment, the floating block 5 is attached to the inner wall of the water level measuring chamber 3 and slides, the water level indicating block 6 is attached to the outer wall of the water level measuring rod 2 and slides, and the inner wall of the water level measuring chamber 3 is used for guiding, so that the stable lifting state of the floating block 5 is kept.

In this embodiment, the lifting rod 7 and the pull rod 8 are parallel to each other, the cover plate 9 is encapsulated at the top of the water level measuring rod 2, the cover plate 9 is provided with a limiting guide hole 10 for the lifting rod 7 and the pull rod 8 to slide through, and the lifting motion of the lifting rod 7 and the pull rod 8 is guided by using the limiting guide hole 10 on the cover plate 9, which is beneficial to keeping the lifting state of the lifting rod 7 and the pull rod 8 stable.

In the embodiment, the lower end of the water level indicating block 6 is in a tip structure, so that the resistance of contact with water can be reduced, and the influence of water fluctuation is reduced as much as possible; the position of the bottom surface of the water level indicating block 6 is higher than the position of the bottom surface of the floating block 5, and the water level indicating block 6 is lifted, so that the water level indicating block 6 is not in contact with the water surface, the water level height can be stably displayed, and the water level measuring accuracy is higher.

Example 2: the outer wall of the water level measuring rod 2 is vertically provided with a water level scale mark 11, and the top of the water level indicating block 6 is provided with an indicating needle 12 pointing to the water level scale mark 11.

The scale value of the water level scale mark 11 offsets the height difference between the pointer 12 and the bottom surface of the floating block 5 in advance, and the reading indicated by the pointer 12 is the actual water level height value, so that the observation and the recording are convenient.

Example 3: the wave absorption water inlet 4 is internally embedded with a filter screen 13 in the outer end surface, a plurality of wave absorption plates 14 are distributed in the wave absorption water inlet 4 in a vertically staggered manner, and the wave absorption plates 14 are of arc-shaped curved surface structures, and the arch surfaces of the wave absorption plates face the direction of the filter screen 13.

The wave absorption water inlet 4 is used for offsetting wave power generated by water flow fluctuation, when water enters the wave absorption water inlet 4, sundries are intercepted through the filter screen 13, then the water flows into the wave absorption water inlet 4, contacts with the wave absorption plates 14 of the arc-shaped curved surface structures, buffers water waves, offsets the wave power, can ensure that the floating block 5 stably floats, and is less influenced by water fluctuation.

Example 4: a reinforcing rod 15 is vertically arranged at the joint of the water level measuring rod 2 and the dam slope 1, one end of the reinforcing rod 15 is inserted into the dam slope 1, the other end of the reinforcing rod extends out, and the extending end of the reinforcing rod is in supporting connection with the dam slope 1 through a vertically arranged fixing pin 16.

Utilize the cooperation of stiffener 15 and fixed pin 16, strengthen 2 basal portions of water level measuring stick, stability is good, is difficult for producing because of great ripples impact force and rocks, guarantees the stability of measuring.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dam water conservancy monitoring device comprises a water level measuring rod (2) vertically installed on a dam slope (1), and is characterized in that the lower end of the water level measuring rod (2) is of a solid structure fixedly inserted into the dam slope (1), the upper part of the water level measuring rod is provided with a water level measuring chamber (3) of a hollow structure, one side of the water level measuring rod (2) is provided with a wave absorption water inlet (4) communicated with the bottom of the water level measuring chamber (3), a floating block (5) is embedded into the water level measuring chamber (3), a water level indicating block (6) corresponding to the floating block (5) is arranged outside the water level measuring rod (2), the middle part of the floating block (5) is vertically provided with a lifting rod (7), and the upper end of the lifting rod (7) upwards extends out of the water level measuring rod (2) and is downwards bent to form a pull rod (8) fixedly connected with the; a water level scale mark (11) is vertically arranged on the outer wall of the water level measuring rod (2), and an indicating needle (12) pointing to the water level scale mark (11) is arranged at the top of the water level indicating block (6); the wave absorption water inlet is characterized in that a filter screen (13) is embedded in the outer end face of the wave absorption water inlet (4), a plurality of wave absorption plates (14) are distributed in the wave absorption water inlet (4) in an up-down staggered mode, the wave absorption plates (14) are of arc-shaped curved surface structures, and the arch surfaces of the wave absorption plates face the direction of the filter screen (13).

2. The dam water conservancy monitoring device of claim 1, characterized in that: the floating block (5) is attached to the inner wall of the water level measuring chamber (3) to slide, and the water level indicating block (6) is attached to the outer wall of the water level measuring rod (2) to slide.

3. The dam water conservancy monitoring device of claim 1, characterized in that: the lifting rod (7) and the pull rod (8) are parallel to each other, a cover plate (9) is packaged at the top of the water level measuring rod (2), and a limiting guide hole (10) for the lifting rod (7) and the pull rod (8) to slide through is formed in the cover plate (9).

4. The dam water conservancy monitoring device of claim 1, characterized in that: the lower end of the water level indicating block (6) is of a tip structure, and the bottom surface of the water level indicating block is higher than the bottom surface of the floating block (5).

5. The dam water conservancy monitoring device of claim 1, characterized in that: a reinforcing rod (15) is vertically arranged at the joint of the water level measuring rod (2) and the dam slope (1), one end of the reinforcing rod (15) is inserted into the dam slope (1), the other end of the reinforcing rod extends out, and the extending end of the reinforcing rod is in supporting connection with the dam slope (1) through a vertically arranged fixing pin (16).