CN215297146U

CN215297146U - Portable water transparency measuring device suitable for many suspended solids river

Info

Publication number: CN215297146U
Application number: CN202121883909.8U
Authority: CN
Inventors: 费晓昕; 崔倩倩; 王雯雯; 朱红生
Original assignee: Huatian Engineering and Technology Corp MCC
Current assignee: Huatian Engineering and Technology Corp MCC
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-12-24
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a portable water transparency measuring device suitable for a river with multiple suspended matters, which relates to the technical field of water transparency measurement and aims to solve the problem that when the suspended matters such as aquatic weeds, duckweeds and the like in the water body which are irrelevant to the water transparency are more, the sight of a measurer is influenced by measuring the water transparency by using a disc-plug method, so that the measuring precision is greatly influenced; the utility model comprises a cylinder body, a hand-held rope is arranged above the cylinder body, a floating rod is vertically arranged in the cylinder body, a floating rod positioner with a hole at the middle part is fixedly arranged at the upper end of the cylinder body, the floating rod passes through the hole of the floating rod positioner and is limited, and the floating rod is provided with scale marks from top to bottom; at least one opening is formed in the side wall of the lower end of the cylinder body, and a grid is fixedly arranged at the opening; the lower end surface of the cylinder body is provided with a transparency test disc, and the lower end of the cylinder body is fixedly connected with a counterweight plumb bob; the utility model discloses can reduce the influence of water aquatic plants, duckweed etc. and water transparency irrelevant suspended solid to the transparency observation in the water, applicable water body scope is wideer.

Description

Portable water transparency measuring device suitable for many suspended solids river

Technical Field

The utility model relates to a water transparency measures technical field, specifically is a portable water transparency measuring device suitable for many suspended solids rivers.

Background

When the water contains a large amount of sand, a large amount of suspended substances and a large amount of organic matters and microorganisms, a turbidity phenomenon occurs and the transparency of water is reduced. The water transparency generally refers to the depth of a black-and-white Securia disc placed in water and cannot be seen, and the transparency is used as an important parameter for describing the optical property and the visible degree of the water and is an important index for measuring the quality of water and evaluating the eutrophication of lakes. Nowadays, the country greatly promotes the comprehensive water environment improvement of medium and small rivers, before the water environment comprehensive improvement project is implemented, technicians are required to organize to carry out earlier stage site reconnaissance on the rivers within the project range, the current Seattle disk method is suitable for the site determination of ground water, but when the suspended solids such as aquatic weeds, duckweeds and the like in the water body which are irrelevant to the transparency of the water body are more, the vision of the measuring personnel is influenced by measuring the transparency of the water body by using the Seattle disk method, so that the measuring accuracy is greatly influenced. Therefore, how to accurately, conveniently and quickly obtain the water transparency index in a river with more suspended substances is a technical problem to be solved by field exploration personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable water transparency measuring device suitable for many suspended solids river to solve when aquatic weeds, duckweed etc. are more with the irrelevant suspended solid of water transparency in the water, measure the sight that water transparency can influence measuring personnel with the sai shi dish method, so that measurement accuracy receives the problem of influence greatly.

In order to achieve the above object, the utility model provides a following technical scheme: a portable water transparency measuring device suitable for a river with multiple suspended matters comprises a barrel, wherein a handheld rope is arranged above the barrel, and the lower end of the rope of the handheld rope is fixedly connected with the upper end of the barrel; a floating rod is vertically placed in the cylinder, a floating rod positioner with a hole in the middle is fixedly arranged at the upper end of the cylinder, the floating rod penetrates through the hole of the floating rod positioner to be limited, and the floating rod is provided with scale marks from top to bottom; at least one opening is formed in the side wall of the lower end of the cylinder body, and a grid is fixedly arranged at the opening; the lower end of the cylinder body is provided with a transparency test disc, and the lower end of the cylinder body is fixedly connected with a counterweight plumb bob.

In a preferred scheme, a cross-shaped iron wire is installed in the middle of the upper end of the cylinder, four ends of the iron wire penetrate through the side wall of the cylinder and are fixedly connected with the side wall of the cylinder, a ring-shaped part, namely a floating rod positioner, is wound at one end of the iron wire positioned in the cylinder, and the lower end of the handheld rope is fixedly connected with the middle of the iron wire.

In a preferred embodiment, the float rod comprises a float block at the lower end and a rod body at the upper end, the cross-sectional area of the float block is larger than that of the rod body, and the density of the float rod is lower than that of water.

In a preferred scheme, two openings are formed, the two openings are symmetrically arranged along the center line of the cylinder body, the height of each opening is 5cm, and the length of each opening is 10 cm.

In a preferred scheme, the grid is a plurality of vertically arranged nylon wires, the upper end and the lower end of each nylon wire are fixedly connected with the upper end and the lower end of the opening respectively, and the interval between every two adjacent nylon wires is 1 cm.

In a preferred scheme, the cylinder is cylindrical PP material, and diameter 20cm, height 60cm use transparency test dish up end to be 0 scale on one side outer wall to the cylinder upper end and be equipped with the scale mark.

In a preferred scheme, the lower end of the cylinder body is provided with a closed cavity, a transparency test disc is arranged in the closed cavity, the transparency test disc is in a fan shape divided into four equal parts, and black and white are brushed by using a paint brush.

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

1. this portable water transparency measuring device suitable for many suspended solids river, simple structure is reasonable, convenient to use, and the grid of barrel lower part can block the suspended solids that irrelevant with water transparency such as pasture and water, duckweed, prevents that it from sheltering from the survey crew sight, can reduce its influence to water transparency measurement.

2. This portable water transparency measuring device suitable for many suspended solids river mainly uses the scale mark of float rod as the standard during the reading, and the float rod scale mark is located the barrel top, and survey crew can more be close the mode reading of looking straight up, reduces the reading error that looks down and distance caused.

3. This portable water transparency measuring device suitable for many suspended solids rivers also has the scale mark on the barrel, can judge whether the result is accurate through the contrast of two results to regard this as the foundation of revising or survey again, guarantee that the measuring result is more reliable.

4. This portable water transparency measuring device suitable for many suspended solids river because the transparency test dish can be adorned in the airtight cavity of barrel lower extreme, so its paint surface also can not be stained with the water loss, can increase of service life greatly, practices thrift the cost, also can not influence the measuring result because of the loss of transparency test dish simultaneously.

Drawings

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

fig. 2 is a schematic top view of an embodiment of the floating rod positioner of the present invention.

In the figure: 1. a hand-held cord; 2. a float rod; 3. a float rod positioner; 4. a barrel; 5. a grid; 6. a transparency test tray; 7. counterweight plumb bob.

Detailed Description

As shown in fig. 1, a portable water transparency measuring device suitable for a river with multiple suspended matters comprises a cylinder 4, a hand-held rope 1 is arranged above the cylinder 4, and the lower end of the rope of the hand-held rope 1 is fixedly connected with the upper end of the cylinder 4; a floating rod 2 is vertically placed in the cylinder 4, a floating rod positioner 3 with a hole in the middle is fixedly arranged at the upper end of the cylinder 4, the floating rod 2 penetrates through the hole of the floating rod positioner 3 to be limited, and the floating rod 2 is provided with scale marks from top to bottom; at least one opening is arranged on the side wall of the lower end of the cylinder 4, and a grid 5 is fixedly arranged at the opening; the transparency test disc 6 is arranged at the lower end of the barrel 4, and the counterweight plumb bob 7 is fixedly connected at the lower end of the barrel, so that the interference of general water flow on the barrel 4 can be resisted, the vertical state of the measuring device is kept, and the reading accuracy is ensured.

As shown in fig. 2, a cross-shaped iron wire can be installed in the middle of the upper end of the cylinder 4, four ends of the iron wire penetrate through the side wall of the cylinder 4 and are fixedly connected with the cylinder, and one end of the iron wire, which is positioned inside the cylinder 4, is wound into a circular ring shape, so that the iron wire can be used as the floating rod positioner 3, the floating rod positioner 3 can also adopt other forms, and the upper end of the floating rod positioner is coplanar with the upper end of the cylinder 4; the lower end of the handheld rope 1 is fixedly connected with the middle part of the iron wire; wherein the upper end of handheld rope 1 can also be equipped with the unwrapping wire ware, makes things convenient for the spiral and grasps and hold.

The floating rod 2 may be a rod body including a floating block at the lower end and a rod body at the upper end, the cross-sectional area of the floating block is larger than that of the rod body, and the density of the floating rod 2 is lower than that of water, for example, the material is foam plastic, foamed aluminum, light wood or polyolefin;

the floating block is preferably a cuboid, the side length is 1.5-3.0 cm, the height is 5cm, the scale value of the floating block from the top to the bottom of the rod body is gradually increased, the total length of the scale is 55cm, the unit scale is 1mm, in order to fix the floating rod, a 1cm blank section is reserved at the upper end of the floating rod, the floating rod is not provided with scales, when the water body is not entered, the bottom of the floating rod is pressed close to the transparency test disc, the blank floating rod section is exposed at the upper end of the floating rod in the floating rod fixer, when the water body is not entered, the reading at the uppermost end of the floating rod is 0cm, and after the water body is entered, the floating rod scale is the water body transparency numerical value.

The openings are preferably two and are symmetrically disposed along the centerline of the barrel 4. in a preferred embodiment, the openings are 5cm in height and 10cm in length.

Grid 5 preferably is many vertical nylon lines that set up, and both ends are fixed connection with both ends about the opening respectively about the nylon line, and the interval of adjacent nylon line is 1cm, and the nylon line also can be changed into other light difficult damaged materials.

In a preferred embodiment, the cylinder 4 is made of cylindrical PP, has a diameter of 20cm and a height of 60cm, and has a scale mark from 0 on the upper end surface of the transparency test disc 6 to the upper end of the cylinder 4 on the outer wall of one side, and generally has a minimum scale mark of 1 cm.

The lower end of the cylinder body 4 is provided with a closed cavity, the transparency test disc 6 is arranged in the closed cavity, so that the water loss can be prevented, the service life is prolonged, the transparency test disc 6 is in a fan shape of quartering, and black and white are alternated by using a paint brush, namely, a Sagerz disc mode is still adopted.

A measurement step:

the method comprises the following steps: confirming that the floating rod 2 penetrates through a middle opening of the floating rod positioner 3 to be limited and kept vertical, and recording an initial reading a of the floating rod 2 at the upper end face of the floating rod positioner 3;

step two: the length of the handheld rope 1 is adjusted according to the position of the water body to be measured and the position of a measurer, so that the handheld rope is comfortable to carry and convenient to measure;

step three: slowly and vertically placing the cylinder 4 into a water body to be measured, starting water inflow through the grid 5 at the lower part, slowly rising the water level in the cylinder 4, starting floating of the floating rod 2, and slowly extending out of the floating rod positioner 3;

step four: a measurer observes the transparency test disc 6 from the upper part of the cylinder 4, gradually sinks until the transparency test disc 6 is just not seen, stops sinking, immediately records the scale reading b on the floating rod 2, and simultaneously records the scale line reading c on the side wall of the cylinder 4;

step five: and lifting the measuring device away from the water body and cleaning impurities, repeating the third step and the fourth step after the water in the cylinder body 4 leaks, repeating the measurement and recording for three times, taking the average value of the three measurement results b-a as the transparency value of the water body, taking the reading c of the three times as a reference, and taking the reading c of the floating rod 2 as a basis for correction or re-measurement when the reading of the floating rod has deviation.

Step six: after the measurement is finished, cleaning sundries on the grating of the device, wiping water stains, and putting back to the instrument box.

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. The utility model provides a portable water transparency measuring device suitable for many suspended solids rivers which characterized in that: comprises a cylinder body (4), a hand-held rope (1) is arranged above the cylinder body, and the lower end of the rope of the hand-held rope (1) is fixedly connected with the upper end of the cylinder body (4); a floating rod (2) is vertically placed in the cylinder body (4), a floating rod positioner (3) with a hole in the middle is fixedly arranged at the upper end of the cylinder body (4), the floating rod (2) penetrates through the hole of the floating rod positioner (3) to be limited, and the floating rod (2) is provided with scale marks from top to bottom; at least one opening is arranged on the side wall of the lower end of the cylinder body (4), and a grid (5) is fixedly arranged at the opening; the lower end of the cylinder body (4) is provided with a transparency test disc (6), and the lower end of the cylinder body is fixedly connected with a counterweight plumb bob (7).

2. The portable water transparency measuring device for the river with multiple suspended matters as claimed in claim 1, wherein: barrel (4) upper end mid-mounting has the cross iron wire, and the iron wire is four ends to run through barrel (4) lateral wall and rather than fixed connection, and the iron wire is located barrel (4) inside one end department around having the ring shape promptly float rod locator (3), the lower extreme and the iron wire middle part fixed connection of handheld rope (1).

3. The portable water transparency measuring device for the river with multiple suspended matters as claimed in claim 1, wherein: the floating rod (2) comprises a floating block positioned at the lower end and a rod body positioned at the upper end of the floating block, the cross section area of the floating block is larger than that of the rod body, and the density of the floating rod (2) is lower than that of water.

4. The portable water transparency measuring device for the river with multiple suspended matters as claimed in claim 1, wherein: the two openings are symmetrically arranged along the center line of the barrel body (4), the height of each opening is 5cm, and the length of each opening is 10 cm.

5. The portable water transparency measuring device for the river with multiple suspended matters as claimed in claim 1, wherein: the grating (5) is composed of a plurality of vertically arranged nylon wires, the upper end and the lower end of each nylon wire are fixedly connected with the upper end and the lower end of each opening respectively, and the interval between every two adjacent nylon wires is 1 cm.

6. The portable water transparency measuring device for the river with multiple suspended matters as claimed in claim 1, wherein: the barrel (4) is cylindrical PP material, and diameter 20cm, height 60cm use transparency test dish (6) up end to be 0 scale on one side outer wall to barrel (4) upper end and be equipped with the scale mark.

7. The portable water transparency measuring device for the river with multiple suspended matters as claimed in claim 1, wherein: the lower end of the cylinder body (4) is provided with a closed cavity, the transparency testing disc (6) is arranged in the closed cavity, the transparency testing disc (6) is in a fan shape divided into four equal parts, and black and white are brushed by using paint.