CN210893336U

CN210893336U - Proportional underground water level measuring device

Info

Publication number: CN210893336U
Application number: CN201922468338.0U
Authority: CN
Inventors: 解志旺; 李予红; 田杰; 胡博文; 张聚斌; 刘文强; 邢晓森; 魏昌建
Original assignee: Center Of Hebei Province Land And Resources Bureau Of Geology And Mineral Resources Exploration
Current assignee: Center Of Hebei Province Land And Resources Bureau Of Geology And Mineral Resources Exploration
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-30
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a proportional type ground water level measuring device, including floater, fixing base, pulley holder, assembly pulley, rope and measuring unit: the fixing seat is fixedly arranged above the underground water level monitoring well; the pulley seat is movably arranged below the fixed seat; the pulley block comprises a plurality of fixed pulleys and a plurality of movable pulleys, the fixed pulleys are fixedly arranged on the fixed seat, and the movable pulleys are fixedly arranged on the pulley seat; one end of a rope is connected with the fixed seat, the other end of the rope rounds the movable pulley and the fixed pulley of the pulley block and is connected with the floating ball, the rope section of the rope between the movable pulley and the fixed pulley is in a vertical state, and when the floating ball is lifted along with the change of the underground water level, the rope can drive the pulley seat to move; the measuring unit is used for measuring the lifting distance of the pulley seat. Due to the proportional reduction effect of the pulley seat, the up-and-down movement distance of the pulley seat is reduced in proportion to the change of the underground water level, and various accurate measurement means can be selected in a lower range, so that the underground water level can be measured continuously.

Description

Proportional underground water level measuring device

Technical Field

The utility model relates to a hydrogeology measuring device especially relates to a proportional type ground water level measuring device.

Background

Measuring the groundwater level is an important task in hydrogeological monitoring. When measuring the underground water level in an underground water level monitoring well, an underground water level meter is generally required at present. The existing underground water level meter is of a cable type structure, an operator slowly inserts a cable into an underground water level monitoring well, a probe at the front end of the cable contacts underground water, then an alarm is given out to prompt the probe to descend in place, and the length of the cable extending into the well is the height of the underground water level. The underground water level meter can only realize single measurement and cannot continuously measure the underground water level for a long time.

Underground water is possibly located at the place where tens of meters to more than 20 meters exist underground, the maximum variation of the underground water level is possibly 2-3 meters, the pipe diameter of the underground water level monitoring well is small, and the conventional measuring device is difficult to realize large-range continuous accurate measurement under the condition.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned prior art not enough, provide a can carry out measuring proportion formula ground water level measuring device to ground water level.

According to the utility model discloses an aspect, a proportion formula ground water level measuring device for measure the water level in the ground water level monitoring well, including float in floater in the ground water level monitoring well still includes:

the fixing seat is fixedly arranged above the underground water level monitoring well;

the pulley seat is movably arranged below the fixed seat;

the pulley block comprises a plurality of fixed pulleys and a plurality of movable pulleys, the fixed pulleys are fixedly arranged on the fixed seat, the movable pulleys are fixedly arranged on the pulley seat, the distance between every two adjacent fixed pulleys is equal, the distance between every two adjacent movable pulleys is equal, and the diameters of the fixed pulleys are equal to the diameters of the movable pulleys;

the rope, one end is connected to said fixed seat, another end rounds the movable pulley and fixed pulley of the said assembly pulley, and link with said floating ball, the rope section between fixed pulley and the movable pulley of the rope is in the vertical state, when the said floating ball is changed and hoists or lower with the groundwater level, can drive the said pulley block to move; and the number of the first and second groups,

and the measuring unit is used for measuring the lifting distance of the pulley seat.

According to the utility model discloses an embodiment, the measuring unit includes a scale and a mechanical pointer that are equipped with the scale mark, the scale erect in the subaerial of pulley seat one side, mechanical pointer link firmly in pulley seat and direction the scale mark of scale mark.

According to the utility model discloses an embodiment, the measuring unit includes a scale and a laser pen that are equipped with the scale mark, the scale erect in the subaerial of pulley seat one side, the laser pen link firmly in the pulley seat and to the scale mark emission light of scale.

According to the utility model discloses an embodiment, the scale includes fixed part and sliding part, the fixed part is fixed to be set up in ground, the sliding part can set up with sliding from top to bottom in the fixed part, and can be fixed in the fixed part, be equipped with zero scale mark on the sliding part, the top of zero scale mark is equipped with negative scale mark, the below of zero scale mark is equipped with positive scale mark.

According to the utility model discloses an embodiment, the quantity of movable pulley and fixed pulley is 4 ~ 8.

According to an embodiment of the present invention, the number of the movable pulleys and the fixed pulleys is 5.

According to the above technical scheme, the utility model discloses an advantage lies in with positive effect:

the utility model discloses proportional type ground water level measuring device, because the effect is reduced to the proportion of pulley holder, the up-and-down motion distance of pulley holder reduces for ground water level's change proportionately, can select various accurate measurement means under lower range scope, realizes measuring ground water level in succession.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a schematic structural view of a proportional type ground water level measuring device according to an embodiment of the present invention;

fig. 2 is a schematic view of the structure of the scale in fig. 1.

In the figure: 1. a floating ball; 2. a water level monitoring well; 3. a fixed seat; 4. a pulley seat; 5. a fixed pulley; 6. a movable pulley; 7. a rope; 8. a scale; 81. a fixed part; 82. a sliding part; 83. zero scale line; 9. a mechanical pointer.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

As shown in fig. 1 and 2, the utility model discloses an embodiment discloses a proportional type ground water level measuring device for measure the water level in ground water level monitoring well 2, this measuring device includes floater 1, fixing base 3, pulley block 4, assembly pulley, rope 7 and measuring element.

The floating ball 1 floats on the water surface of the underground water level monitoring well 2. The fixing seat 3 is fixedly arranged above the underground water level monitoring well 2. This fixing base 3 can directly link firmly on the wall of a well of ground water level monitoring well 2 through bolt etc. also can fix subaerial through support etc to make it be in ground water level monitoring well 2 tops. The pulley seat 4 is movably arranged below the fixed seat 3. The assembly pulley includes a plurality of fixed pulleys 5 and a plurality of movable pulley 6, and these fixed pulleys 5 are fixed to be set up in fixing base 3, and these movable pulley 6 are fixed to be set up in pulley holder 4, and the interval between two adjacent fixed pulleys 5 equals, and the interval between two adjacent movable pulleys 6 equals, and the diameter of fixed pulley 5 equals with the diameter of movable pulley 6.

One end of the rope 7 is connected with the fixed seat 3, and the other end of the rope rounds the movable pulley 6 and the fixed pulley 5 of the pulley block and is connected with the floating ball 1. After the rope 7 is connected to the fixed seat 3, it is first wound around a movable pulley, then wound around a movable pulley, and then the same winding is repeated until the last fixed pulley is wound. The rope 7 is in a vertical state at the rope section between the movable pulley 6 and the fixed pulley 5, and when the floating ball 1 is lifted along with the change of the underground water level, the pulley seat 4 can be driven to move up and down. The measuring unit is used for measuring the lifting distance of the pulley seat.

The number of the fixed pulleys 5 and the movable pulleys 6 is preferably 4-8, in the embodiment, the number of the fixed pulleys 5 and the movable pulleys 6 is 5, after the rope 7 wound on the pulley block is connected with the floating ball 1, the up-and-down movement distance L of the floating ball 1 is in a proportional relationship with the up-and-down movement distance h of the pulley seat 4, specifically, L is n × h, wherein n is the number of sections of the pulley block where all the movable pulleys 6 are lifted up by the rope, specifically, in FIG. 1, all the movable pulleys 6 are lifted up by 10 sections of the rope altogether, so n is 10, that is, the up-and-down movement distance h of the pulley seat 4 is only 1/10 of the up-and-down movement distance L of the floating ball 1.

If the ground water level changes to 3m in 1 year, the up-down movement distance L of the float 1 becomes 3m, and the up-down movement distance h of the pulley seat 4 is only 30 cm. Therefore, the pulley block is arranged at the wellhead of the underground water level monitoring well, and the variation of the underground water level is reduced proportionally, so that the distance of the pulley seat 4 can be continuously and accurately measured through various accurate measuring units, and the variation of the underground water level is continuously measured.

The measuring unit can measure the up-and-down movement of the pulley seat 4. The specific structure is not limited, and a precision measuring device such as a grating may be used. In this embodiment, the measuring unit includes a scale 8 with scale marks and a mechanical pointer 9, the scale 8 is erected on the ground on one side of the pulley seat 4, and the mechanical pointer 9 is fixedly connected to the pulley seat 4 and points to the scale marks of the scale 8. By observing the moving distance of the mechanical pointer 9 relative to the scale 8, the up-and-down moving distance of the floating ball 1 can be obtained.

The utility model discloses in another embodiment, this measuring unit can include a scale 8 and a laser pen that are equipped with the scale mark, and the subaerial of 4 one sides of pulley holder is stood on to scale 8, and the laser pen links firmly in pulley holder 4 and to scale mark transmission light of scale 8.

The scale 8 can be a single vertical rod or a combined structure. As shown in fig. 2, the scale 8 may include a fixing portion 81 and a sliding portion 82, the fixing portion 81 is fixed to the ground, and the sliding portion 82 is vertically slidably provided in the fixing portion 81 and can be fixed to the fixing portion 81. The sliding portion 82 is slidable with respect to the fixing portion 81 by a mechanism such as a slide rail, and is fixed to the fixing portion 81 by a member such as a bolt. The sliding portion 82 is provided with a zero scale line 83, a negative scale line is provided above the zero scale line 83, and a positive scale line is provided below the zero scale line 83. The zero scale line 83 coincides with the light point of the mechanical pointer or laser pointer at the initial position, and indicates the value of the drop of the ground water level when the mechanical pointer or light point points to the negative scale line. When the mechanical pointer or light point points to the positive graduation mark, it indicates a numerical value of the rise of the ground water level.

The utility model discloses a proportion formula ground water level measuring device is when using, at first measures the initial value of ground water level through current arbitrary measuring means, then, selects behind rope 7 of appropriate length passing the assembly pulley, is connected with floater 1 to put floater 1 on the surface of water of ground water level monitoring well, at this moment, floater 1 atress is balanced, floats on the surface of water. When the groundwater level changes, the floating ball 1 can correspondingly ascend or descend. The amount of change in the ground water level can be continuously measured by the measuring unit. Due to the proportional reduction effect of the pulley seat, the up-and-down movement distance of the pulley seat is reduced in proportion to the change of the underground water level, and various accurate measurement means can be selected in a lower measuring range.

Claims

1. The utility model provides a proportion formula ground water level measuring device for measure the water level in the ground water level monitoring well, including float in the floater in the ground water level monitoring well, its characterized in that still includes:

the pulley seat is movably arranged below the fixed seat;

2. The proportional type ground water level measuring device of claim 1, wherein said measuring unit comprises a scale having graduation lines and a mechanical pointer, said scale is erected on the ground on one side of said pulley seat, said mechanical pointer is fixed to said pulley seat and points to the graduation lines of said scale.

3. The proportional type ground water level measuring device of claim 1, wherein the measuring unit comprises a scale having graduation lines and a laser pen, the scale is erected on the ground on one side of the pulley seat, and the laser pen is fixed to the pulley seat and emits light to the graduation lines of the scale.

4. The proportional groundwater level measuring device as claimed in claim 2 or claim 3, wherein the scale comprises a fixing portion and a sliding portion, the fixing portion is fixedly disposed on the ground, the sliding portion is slidably disposed on the fixing portion up and down and can be fixed to the fixing portion, a zero scale line is disposed on the sliding portion, a negative scale line is disposed above the zero scale line, and a positive scale line is disposed below the zero scale line.

5. The proportional type ground water level measuring device of claim 1, wherein the number of the movable pulleys and the fixed pulleys is 4-8.

6. The proportional groundwater level measuring device as claimed in claim 5, wherein the number of the movable pulleys and the fixed pulley is 5.