CN213481750U

CN213481750U - Device for collecting surface sediment and covering water

Info

Publication number: CN213481750U
Application number: CN202022228090.3U
Authority: CN
Inventors: 马晓阳; 肖尚斌
Original assignee: China Three Gorges University CTGU
Current assignee: China Three Gorges University CTGU
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-18
Anticipated expiration: 2030-10-09

Abstract

A device for collecting surface sediment and covering water comprises a telescopic rod, a columnar outer barrel and a movable bottom barrel, wherein a movable end cover is arranged at the upper end of the columnar outer barrel, the movable bottom barrel is installed at the lower end of the columnar outer barrel in an insertion mode, the bottom of the movable bottom barrel is connected with a spring and the lower end of a steel wire rope, the upper end of the steel wire rope penetrates through the whole device and then is led out from the tail end of the telescopic rod, the movable bottom barrel can be opened and closed through the steel wire rope and the spring with the columnar outer barrel, limiting devices are arranged on two sides of the upper end of the movable bottom barrel, limiting holes are formed in two sides of; this device passes through spring mechanism and stop gear, can realize one-man operation and gather the deposit, and easy operation collection efficiency is high, and the leakproofness is better among the collection process, can not cause the sample to run off and produce secondary pollution to the waters of gathering, and is little to waters deposit disturbance, can guarantee the accuracy of gathering the sample.

Description

Device for collecting surface sediment and covering water

Technical Field

The utility model relates to an environmental monitoring technical field especially relates to a gather top layer deposit and go up device of water.

Background

In recent years, with the rapid development of society, a large amount of industrial and agricultural wastewater and domestic sewage are directly or indirectly discharged into water, so that the content of nutrient salts such as nitrogen, phosphorus and the like and heavy metals in the water is remarkably increased, and the water pollution is caused. Generally, exogenous pollution is considered to be a main cause of water body pollution, but under the condition of controlling exogenous pollution input, pollutants released by surface sediments can also pollute the water body or delay the treatment effect of the water body pollution. Therefore, the acquisition of surface sediments in a research area and the corresponding research are important links for solving the water body pollution.

At present, devices for collecting underwater sediment samples mainly comprise a grab bucket type collecting device and a columnar mud sampler, wherein the grab bucket type collecting device utilizes a support rod to open two grab buckets, when the grab buckets contact the sediment, the support rod is loosened, and the grab buckets sink into the sediment under the action of gravity for sampling. Then lifting the collecting device, closing the grab bucket, and finally collecting the sediment into the grab bucket; the gravity columnar mud sampler descends by means of self weight to insert sediments and collects variable quantities of sediments and overlying water.

The grab bucket type collector has simple structure and convenient operation, but needs two persons to operate in a matching way during collection; when the gravity columnar mud sampler and the grab bucket type collector collect samples, the disturbance to the sediment is large, the sealing performance is poor, and the problems of sample loss, low collection efficiency and the like are easily caused.

Disclosure of Invention

In view of the technical problem that the background art exists, the utility model provides a gather top layer deposit and go up the device of cladding water, gather in deepening the deposit with column drum collection device through the telescopic link. The device simple structure, convenient to use, the cost of manufacture is low, and disturbance is little at the collection sample in-process, can guarantee the accuracy of the sample of gathering, has the prospect of extensive popularization and application.

In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:

a device for collecting surface sediment and overlying water comprises a telescopic rod, a columnar outer cylinder and a movable bottom cylinder; the telescopic rod is connected with the columnar outer barrel through a connecting rod, a movable end cover is arranged at the upper end of the columnar outer barrel, the movable bottom barrel is installed at the lower end of the columnar outer barrel in an insertion mode, the bottom of the movable bottom barrel is connected with the spring and the lower end of the steel wire rope, the upper end of the steel wire rope penetrates through the whole device and then is led out from the tail end of the telescopic rod, and the movable bottom barrel can be opened and closed with the columnar outer barrel through; the two sides of the upper end of the movable bottom barrel are provided with limiting devices, the two sides of the lower end of the columnar outer barrel are provided with limiting holes, and the movable bottom barrel and the columnar outer barrel are limited through the limiting devices.

In the preferred scheme, the telescopic link is interior hollow structure, and the rotatable locking of interior outer tube utilization eccentric principle, wire rope upper end run through the telescopic link and draw forth from the top.

In the preferred scheme, the limiting device comprises a limiting bolt and a limiting spring, the limiting spring is arranged between the outer wall and the inner wall of the movable bottom barrel, one end of the limiting spring is connected with the limiting bolt, and the other end of the limiting spring is connected with the inner wall of the movable bottom barrel.

In the preferred scheme, the lower end of the spring is connected with the bottom of the movable bottom barrel, the upper end of the spring is connected with the inner supporting plate, the inner supporting plate is positioned in the columnar outer barrel, the end face of the inner supporting plate is parallel to the end face of the bottom of the columnar outer barrel, the center of the inner supporting plate is connected with the supporting rod in a penetrating mode, the supporting rod is parallel to the end face of the bottom of the columnar outer barrel, and the two ends of the supporting rod.

In the preferred scheme, one end of a connecting rod is connected with a telescopic rod, the other end of the connecting rod is connected with the cylindrical outer barrel wall, and the connecting rods are annularly and symmetrically distributed around the upper end of the cylindrical outer barrel wall.

In the preferred scheme, the movable end cover consists of two semicircular sheets, the semicircular sheets are arranged at the center of the cylindrical outer cylinder through end cover connecting rods, and the semicircular sheets can be opened upwards around the end cover connecting rods.

This patent can reach following beneficial effect:

the utility model can realize the single operation of collecting the sediment through the spring mechanism and the limiting mechanism, has simple operation, high collection efficiency, better sealing performance in the collection process, no secondary pollution to the collected water area caused by sample loss, manual free control of the device, quantitative collection of the surface sediment and the upper covering water;

the utility model discloses a length of adjusting the telescopic link can deal with the sample collection in different depth of water fields, and the disturbance is little to waters deposit among the acquisition process, can guarantee the accuracy of sample gathered.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic structural view of the limiting mechanism of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure A-A of the present invention;

fig. 5 is a schematic view of the three-dimensional mechanism of the present invention.

In the figure: the device comprises a columnar outer cylinder 1, a movable bottom cylinder 2, a telescopic rod 3, a connecting rod 4, a movable end cover 5, a steel wire rope 6, a spring 7, an inner supporting plate 701, a supporting rod 702, a limiting device 8, a limiting bolt 801, a limiting spring 802 and a limiting hole 803.

Detailed Description

The preferable scheme is as shown in figures 1 to 5, and the device for collecting surface sediments and overlying water comprises a telescopic rod 3, a columnar outer cylinder 1 and a movable bottom cylinder 2; the telescopic rod 3 is connected with the cylindrical outer barrel 1 through a connecting rod 4, and a movable end cover 5 is arranged at the upper end of the cylindrical outer barrel 1; the movable bottom barrel 2 is installed at the lower end of the columnar outer barrel 1 in an insertion mode, the movable bottom barrel 2 and the columnar outer barrel 1 are made of 1-2mm stainless steel materials, a spring 7 is connected to the center of the bottom of the movable bottom barrel 2, the bottom of the movable bottom barrel 2 is connected with the lower end of a steel wire rope 6, the upper end of the steel wire rope 6 penetrates through the whole device and then is led out from the tail end of the telescopic rod 3, limiting devices 8 are arranged on two sides of the upper end of the movable bottom barrel 2, limiting holes 803 are formed in two sides of the lower end of the columnar outer barrel 1, and when the movable bottom barrel 2 is completely inserted.

Furthermore, the telescopic rod 3 is of an inner hollow structure, and the steel wire rope 6 penetrates through the telescopic rod 3 and then is led out from the top of the rod; the telescopic rod 3 comprises at least two groups of pipe fittings which are movably sleeved inside and outside, the pipe fittings of the inner sleeve are sleeved and connected in the pipe fittings of the outer sleeve, and all groups of pipe fittings are sleeved and connected together layer by layer; the inner tube and the outer tube of the telescopic rod 3 can be rotationally locked by utilizing an eccentric principle, and can be expanded by 2-8 times after being completely unfolded.

Further, the limiting device 8 comprises a limiting bolt 801 and a limiting spring 802, the limiting spring 802 is arranged between the outer wall and the inner wall of the movable bottom barrel 2, one end of the limiting spring 802 is connected with the limiting bolt 801, and the other end of the limiting spring 802 is connected with the inner wall of the movable bottom barrel 2; the upper end of the limit bolt 801 is in a slope shape, when the movable bottom barrel 2 moves towards the inner wall of the columnar outer barrel 1, the limit bolt 801 is compressed to the inner wall of the columnar outer barrel 1 until the limit bolt 801 moves to the limit hole 803 and then is snapped in.

Further, the lower end of the spring 7 is connected with the bottom of the movable bottom cylinder 2, the upper end of the spring 7 is connected with an inner supporting plate 701, the inner supporting plate 701 can be of a circular structure, and the end face of the inner supporting plate is parallel to the end face of the bottom of the columnar outer cylinder 1. The center of the inner supporting plate 701 is connected with a supporting rod 702 in a penetrating mode, the supporting rod 702 is parallel to the end face of the bottom of the columnar outer barrel 1, two ends of the supporting rod 702 are fixed on the inner barrel wall of the columnar outer barrel 1, and the inner supporting plate 701 is finally fixed at the lower end of the interior of the columnar outer barrel 1 through the supporting rod 702.

Furthermore, one end of a connecting rod 4 is connected with the telescopic rod 3, the other end of the connecting rod 4 is connected with the cylinder wall of the cylindrical outer cylinder 1, and the total number of the connecting rods 4 is 4 and the connecting rods are annularly and symmetrically distributed around the upper end of the cylinder wall of the cylindrical outer cylinder 1.

Furthermore, the movable end cover 5 is composed of two semicircular sheets, and the semicircular sheets are connected to the upper end of the cylindrical outer barrel 1 by end cover connecting rods along the diameter direction to form a circle with the same diameter as the cylindrical outer barrel 1. In the descending process of the device, the water body provides upward resistance to the movable end cover 5, so that the semicircular slice rotates 90 degrees along the diameter of the semicircular slice from a horizontal closed state, namely a vertical open state, and the water body enters the columnar outer cylinder 1 from the movable bottom cylinder 2 and finally comes out from the movable end cover 5; when the device rises, the water body provides downward resistance to the movable end cover 5, so that the semicircular slice rotates 90 degrees along the diameter of the semicircular slice from a vertical opening state, namely a horizontal closing state. The overburden water collected by the device can not exchange with the water body along the way in the rising process, so that the sediment-water interface is kept complete, and the comprehensiveness and the accuracy of research results are improved.

The working principle of the whole device is as follows:

1. when the device works, the length of the telescopic rod 3 is adjusted, the device is vertically placed into water, the movable end cover 7 is vertically opened upwards in the descending process of the device, and a water body enters the columnar outer barrel 1 from the movable bottom barrel 2;

2. after the device reaches the surface of a sediment, the upper end of the telescopic rod 3 is knocked by a heavy object, the device is inserted into a place where the thickness of the sediment needs to be collected, then the steel wire rope 6 is pulled to close and clamp the movable bottom barrel 2 and the columnar outer barrel 1, finally the telescopic rod 3 is vertically lifted upwards, and at the moment, the end cover 7 is closed downwards to finish sampling operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a gather device of top layer deposit and upper cover water, includes telescopic link (3), column urceolus (1) and activity end section of thick bamboo (2), its characterized in that: the telescopic rod (3) is connected with the columnar outer cylinder (1) through a connecting rod (4), and a movable end cover (5) is arranged at the upper end of the columnar outer cylinder (1); the movable bottom barrel (2) is installed at the lower end of the columnar outer barrel (1) in an insertion mode, the bottom of the movable bottom barrel (2) is connected with the spring (7), the bottom of the movable bottom barrel (2) is connected with the lower end of the steel wire rope (6), the upper end of the steel wire rope (6) penetrates through the whole device and then is led out from the tail end of the telescopic rod (3), limiting devices (8) are arranged on two sides of the upper end of the movable bottom barrel (2), and limiting holes (803) are formed in two sides of the lower end.

2. The apparatus for collecting surface deposits and overburden water as recited in claim 1, further comprising: the telescopic rod (3) is of an inner hollow structure, and the steel wire rope (6) penetrates through the telescopic rod (3) and is led out from the top of the rod.

3. The apparatus for collecting surface deposits and overburden water as recited in claim 1, further comprising: the limiting device (8) comprises a limiting bolt (801) and a limiting spring (802), the limiting spring (802) is arranged between the outer wall and the inner wall of the movable bottom barrel (2), one end of the limiting spring (802) is connected with the limiting bolt (801), and the other end of the limiting spring (802) is connected with the inner wall of the movable bottom barrel (2).

4. The apparatus for collecting surface deposits and overburden water as recited in claim 1, further comprising: the lower end of the spring (7) is connected with the bottom of the movable bottom barrel (2), the upper end of the spring (7) is connected with an inner supporting plate (701), the inner supporting plate (701) is located in the columnar outer barrel (1), the end face of the inner supporting plate (701) is parallel to the end face of the bottom of the columnar outer barrel (1), the center of the inner supporting plate (701) is connected with a supporting rod (702) in a penetrating mode, the supporting rod (702) is parallel to the end face of the bottom of the columnar outer barrel (1), and the two ends of the supporting rod (702) are fixed on the inner barrel wall.

5. The apparatus for collecting surface deposits and overburden water as recited in claim 1, further comprising: one end of the connecting rod (4) is connected with the telescopic rod (3), the other end of the connecting rod (4) is connected with the cylinder wall of the cylindrical outer cylinder (1), and the connecting rod (4) is annularly and symmetrically distributed around the upper end of the cylinder wall of the cylindrical outer cylinder (1).

6. The apparatus for collecting surface deposits and overburden water as recited in claim 1, further comprising: the movable end cover (5) is composed of two semicircular sheets, and the semicircular sheets are arranged at the center of the columnar outer cylinder (1) through an end cover connecting rod.