CN211401369U - Float type water level gauge - Google Patents

Abstract

The application provides a float-type water level gauge, including first runner, the second runner, water level encoder, the survey rope, first support and second support, first runner sets up on first support to rotate with first support and be connected, water level encoder and first runner coaxial coupling, the second runner sets up under first runner, the second runner rotates with the second support to be connected, the survey rope passes first runner and second runner formation closed loop, one side of surveying the rope is equipped with the flotation pontoon. The application provides a float-type fluviograph can reduce the possibility that the measuring rope that causes because of the water level sudden change skids, can play better effect of preventing skidding.

Description

Float type water level gauge

Technical Field

The application relates to the technical field of water level detection, in particular to a float type water level meter.

Background

The water level gauge is an instrument for measuring the water levels of water bodies such as rivers, lakes, irrigation canals and the like, is convenient for workers to master the conditions of the water bodies such as the rivers, the lakes, the irrigation canals and the like in real time, and is widely applied to the water conservancy and hydropower industry due to the simple principle and stable and reliable use of the float-type water level gauge.

In case of freezing in winter in cold areas, the float type water level gauge cannot be used outdoors, otherwise the float of the water level gauge may be frozen in the well logging, thereby affecting the continuity of water level data observation.

Patent No. CN104266729A discloses a type of preventing frostbite float type water level gauge, through setting up miniature immersible pump, the higher water of lower part temperature is taken out to upper portion in miniature immersible pump will log in for water upper and lower circulation in the logging, thereby reach the formation condition that the interference freezes, make the water in the logging not freeze. Although the problem of preventing frostbite of well water has been solved to above-mentioned patent, the actual operation in-process is owing to only half runner girth's measuring rope takes place the friction with the runner, and the water pump drives water and circulates for the water level fluctuation is great, and then makes float-type fluviograph easily receive the influence of water level fluctuation by a wide margin, produces runner and measuring rope phenomenon of skidding, thereby has influenced the accuracy of water level data.

Disclosure of Invention

To the problem that exists among the prior art, this application provides a float-type fluviograph to reach the possibility that reduces the measuring rope that causes because of the water level sudden change skidded, have the beneficial effect of better anti-skidding effect.

The application provides a float-type water level gauge, including first runner, the second runner, water level encoder, the survey rope, first support and second support, first runner sets up on first support to rotate with first support and be connected, water level encoder and first runner coaxial coupling, the second runner sets up under first runner, the second runner rotates with the second support to be connected, the survey rope passes first runner and second runner formation closed loop, one side of surveying the rope is equipped with the flotation pontoon.

Furthermore, a motor is arranged on the second support, a sleeve is arranged at the bottom of the second support, a rotating shaft is arranged in the sleeve, an output shaft of the motor is connected with the rotating shaft, and stirring blades are arranged at the bottom end of the rotating shaft in a fixed mode.

Furthermore, the number of the stirring blades is three, and the three stirring blades are distributed at intervals along the circumferential direction of the rotating shaft.

Further, the buoy is an elongated cylinder.

Furthermore, V-shaped grooves are formed in the circumference of the first rotating wheel and the circumference of the second rotating wheel, and the measuring rope is arranged in the V-shaped grooves.

Furthermore, a counterweight is arranged on the second support.

The beneficial effect of this application lies in:

1. the application provides a float-type fluviograph, second runner setting are under first runner, and the size of second runner is the same with the size of first runner, and the second runner rotates with the second support to be connected, and the survey rope passes first runner and second runner and forms the closed loop, ensures that the survey rope that has a runner girth produces friction with the runner, has increased frictional force, has reduced because of the probability that the survey rope that the water level sudden change caused skidded.

2. The second rotating wheel is arranged on the second support, a balance weight is arranged on the second support, and the balance weight increases the friction force between the measuring rope and the first rotating wheel as well as between the measuring rope and the second rotating wheel. The friction force is in direct proportion to the pressure applied to the contact surface, and the gravity of the balance weight is equivalent to the pressure applied to the friction surfaces of the measuring rope, the first rotating wheel and the second rotating wheel, so that the friction between the rotating wheels and the measuring rope can be increased, and a better anti-slip effect is achieved.

3. One side of the measuring rope is provided with a buoy, and in the embodiment, the buoy is a slender cylinder. The elongated cylindrical pontoons reduce the sensitivity of the pontoons to sudden water level changes. The larger the radius of the buoy is, the larger the buoyancy force is, and the larger the upward acceleration is generated; the same applies when the water level drops instantaneously. Therefore, the buoy with the smaller radius has longer reaction time with the water level with sudden change, and the influence caused by the sudden change of the water level can be counteracted to a certain extent.

In addition, the design principle of the application is reliable, the structure is simple, and the application prospect is very wide.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a float type water level gauge in one embodiment of the present application.

In the figure, the device comprises a first rotating wheel 1, a second rotating wheel 2, a water level encoder 3, a water level encoder 4, a measuring rope 5, a first support 6, a second support 7, a buoy 8, a motor 9, a sleeve 10, a rotating shaft 11, a stirring blade 12, a counterweight 13 and a positioning nut.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The following explains key terms appearing in the present application.

The application provides a float-type water level gauge, including first runner 1, second runner 2, water level encoder 3, measuring rope 4, first support 5 and second support 6.

Fig. 1 is a schematic structural view of a float type water level gauge according to an embodiment of the present invention, and as shown in fig. 1, a first rotating wheel 1 is disposed on a first bracket 5, a middle portion of the first rotating wheel 1 is rotatably connected to the first bracket 5 through a rotating shaft, and a water level encoder 3 is coaxially connected to the first rotating wheel 1. When the water level changes, the buoy 7 floats up and down along with the change of the water surface, the measuring rope 4 drives the two rotating wheels to rotate simultaneously, and finally the actual water level change is calculated according to the reading of the encoder fixed on the first rotating wheel 1.

And a positioning nut 13 is arranged on the first bracket and used for positioning and fixing the first bracket 5.

In this embodiment, the water level encoder 3 adopts an absolute multi-turn encoder BAMS 58. In other embodiments, the water level encoder 3 may be of other types known to those skilled in the art.

The second runner 2 is arranged under the first runner 1, the size of the second runner 2 is the same as that of the first runner 1, the second runner 2 is rotatably connected with the second support 6, and the measuring rope 4 penetrates through the first runner 1 and the second runner 2 to form a closed ring, so that the measuring rope with one runner circumference generates friction with the runners, the friction force is increased, and the possibility of slipping of the measuring rope caused by sudden change of water level is reduced.

In order to prevent the measuring rope 4 from falling from the first rotating wheel 1 and the second rotating wheel 2, V-shaped grooves are formed in the circumference of the first rotating wheel 1 and the circumference of the second rotating wheel 2, and the measuring rope 4 is arranged in the V-shaped grooves.

The second rotating wheel 2 is arranged on the second support, the second support 6 is provided with a balance weight 12, and the balance weight increases the friction force between the measuring rope 4 and the first rotating wheel 1 and the second rotating wheel 2. The friction force is in direct proportion to the pressure applied to the contact surface, and the gravity of the counterweight 12 is equivalent to the pressure applied to the friction surfaces of the measuring rope 4 and the first rotating wheel 1 and the second rotating wheel 2, so that the friction between the rotating wheels and the measuring rope 4 can be increased, and a better anti-slip effect is achieved.

A buoy 7 is arranged on one side of the measuring line 4, and in the embodiment, the buoy 7 is a slender cylinder. The elongated cylindrical pontoons 7 reduce the pontoon's susceptibility to sudden water level changes. The larger the radius of the buoy is, the larger the buoyancy force is, and the larger the upward acceleration is generated; the same applies when the water level drops instantaneously. Therefore, the buoy with the smaller radius has longer reaction time with the water level with sudden change, and the influence caused by the sudden change of the water level can be counteracted to a certain extent.

Be equipped with motor 8 on the second support 6, in order to play waterproof effect, motor 8's outside is equipped with waterproof shell, and second support 6's bottom is equipped with sleeve 9, is equipped with pivot 10 in the sleeve 9, and motor 8's output shaft links to each other with pivot 10, and the bottom mounting of pivot 10 is equipped with stirring vane 11. The motor 8 drives the rotating shaft 10, the rotating shaft 10 drives the stirring blades 11 to rotate, and the stirring blades 11 stir water to prevent the water from being frozen. In addition, the stirring blades 11 can cut weeds in water and prevent the weeds from being entangled by the water plants.

In this embodiment, the number of the stirring blades 11 is three, and the three stirring blades 11 are distributed at intervals along the circumferential direction of the rotating shaft 10. In other embodiments, the number of the stirring blades 11 can be set according to actual requirements.

The implementation manner of the embodiment is as follows:

during the in-service use, the axis of rotation of water level encoder 3 is fixed in the central point of first runner 1 and puts, and when the water level change, measuring rope 4 drives first runner 1 and rotates, and the axis of rotation of water level encoder 3 also rotates thereupon, and different coded value of water level encoder 3 output can calculate out the water level change of reality in view of the above.

This application is through setting up two runners, guarantees to have the measuring rope of a runner girth and runner to produce the friction, and the frictional force of increase has reduced the possibility that the measuring rope that causes because of the water level sudden change skidded. The counterweight of the second wheel increases the friction between the measuring line and the wheel. The friction force is in direct proportion to the pressure applied to the contact surface, and the gravity of the balance weight is equivalent to the pressure applied to the friction surface of the measuring rope and the rotating wheel, so that the friction between the rotating wheel and the measuring rope can be increased, and a better anti-slip effect is achieved.

Although the present application has been described in detail with reference to the accompanying drawings in conjunction with the preferred embodiments, the present application is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present application by those skilled in the art without departing from the spirit and scope of the present application, and these modifications or substitutions are intended to be covered by the present application/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (6)

1. A float-type water level gauge is characterized in that: including first runner (1), second runner (2), water level encoder (3), survey rope (4), first support (5) and second support (6), first runner (1) sets up on first support (5), and rotate with first support (5) and be connected, water level encoder (3) and first runner (1) coaxial coupling, second runner (2) set up under first runner (1), second runner (2) rotate with second support (6) and are connected, survey rope (4) pass first runner (1) and second runner (2) and form the closed loop, one side of surveying rope (4) is equipped with flotation pontoon (7).

2. The float-type water level gauge according to claim 1, wherein: the improved stirring device is characterized in that a motor (8) is arranged on the second support (6), a sleeve (9) is arranged at the bottom of the second support (6), a rotating shaft (10) is arranged in the sleeve (9), an output shaft of the motor (8) is connected with the rotating shaft (10), and stirring blades (11) are arranged at the bottom end of the rotating shaft (10) in a fixed mode.

3. The float-type water level gauge according to claim 2, wherein: the number of the stirring blades (11) is three, and the three stirring blades (11) are distributed at intervals along the circumferential direction of the rotating shaft (10).

4. The float-type water level gauge according to claim 1, wherein: the buoy is a slender cylinder.

5. The float-type water level gauge according to claim 1, wherein: the circumference of the first rotating wheel (1) and the circumference of the second rotating wheel (2) are provided with V-shaped grooves, and the measuring rope (4) is arranged in the V-shaped grooves.

6. The float-type water level gauge according to claim 1, wherein: and a counterweight (12) is arranged on the second bracket (6).

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