1. A practical underwater undisturbed mud sampler comprises a sampling box body (1), a sampling box door (2), a sensor power switch device (3), a sensor buckle switch device (4) and a strong nylon rope (5), the sampling box is characterized in that the four sides of the sampling box body (1) are surrounded by a stainless steel plate with a sharp lower end, a sensor power switch device (3) and a sensor buckle switch device (4) are arranged inside the sampling box body (1), openings in the upper surface and the lower surface of the sampling box body (1) are respectively provided with a sampling box door (2), the sampling box door (2) is made of bendable and foldable rubber materials, one end of the sampling box door (2) is fixed on the sampling box body (1), the other end of the sampling box door (2) is connected with a strong nylon rope (5), and the other end of the strong nylon rope (5) is connected onto the sensor power switch device (3).

2. The practical underwater undisturbed mud sampler according to claim 1, wherein the sampling box door (2) is provided with a hook (7) at the back, the sampling box door (2) is fixed on the sensor buckle switch device (4) through the hook (7) when opened, the front end of the sampling box door (2) is provided with a sharp blade (8), and the sharp blade (8) is helpful for cutting bottom mud blocking the sampling box door (2) in the closing process of the sampling box door (2).

3. The practical underwater undisturbed mud sampler according to claim 1, wherein the sensor power switch device (3) comprises a sensor (11), a motor (12) and a rotating rod (13), the sensor power switch device (3) is fixed inside the sampling box body (1), the sensor (11) controls the opening and closing of the motor (12), the rotating rod (13) is driven to rotate when the motor (12) is started, and the two ends of the rotating rod (13) are connected with the strong nylon rope (5) to respectively control the closing of the sampling box doors (2) on the upper and lower surfaces.

4. The practical undisturbed underwater mud sampler as claimed in claim 3 wherein the sampling box (1) is provided with a coil rotation space (6) and both ends of the rotating rod (13) rotate in the coil rotation space (6) to ensure that the sensor power switch device (3) can work normally even when submerged in the sediment.

5. The practical undisturbed underwater dredge according to claim 1 wherein the sensor buckle switch means (4) comprises a sensor (9) and a buckle switch (10), the sensor (9) is fixed inside the sampling tank (1), and the sensor (9) controls the opening and closing of the buckle switch (10).

Background

In scientific researches in the fields of environment, water conservancy and the like, the analysis of sediment on the surface layer of the water bottom is indispensable. Sediment on the surface of the water bottom is formed by the precipitation and accumulation of substances in the water through the comprehensive actions of physics, chemistry, biology and the like. Because different conditions such as deposition substances, water temperature, climate and the like form deposition stratification with different thicknesses, colors and structures, in the scientific research process, a substrate sample is required to be subjected to layered inspection so as to determine the pollution condition, the hydrological characteristics, the climate condition and the like of a water body when the sediments are formed. In order to meet various different requirements in the scientific research process, the original deposition state of the substrate needs to be kept in the sampling process, and the hierarchical distribution of the substrate is not influenced. The original sediment transition state at the bottom of the water is easily damaged in the sampling process of the existing mud sampler, so that the subsequent research conclusion is influenced.

Based on the above, the invention designs a practical underwater undisturbed mud sampler to solve the problems.

Disclosure of Invention

The invention aims to provide a practical underwater undisturbed mud sampler, which solves the problem that the prior mud sampler proposed in the background technology is easy to damage the underwater original deposition transition state in the sampling process, thereby influencing the subsequent research conclusion.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a submarine original state mud sampler of practical, includes sampling box, sampling chamber door, sensor power switching device, sensor buckle switching device, powerful nylon rope, a serial communication port, sampling box is enclosed by the sharp corrosion resistant plate of lower extreme all around and is formed, and inside sensor power switching device and the sensor buckle switching device of being provided with of sampling box, the two sides opening respectively is provided with a sampling chamber door about the sampling box, and the sampling chamber door is made by flexible and folding rubber materials, and sampling chamber door one end is fixed in on the sampling box, and the sampling chamber door other end is connected with powerful nylon rope, and the powerful nylon rope other end is connected on sensor power switching device.

Preferably, sampling chamber door back is provided with the couple, fixes on sensor buckle switching device through the couple when sampling chamber door is opened, and sampling chamber door front end is provided with sharp blade, and sharp blade of in-process that sampling chamber door closed helps cutting the bed mud that blocks the sampling chamber door.

Preferably, sensor power switch device includes sensor, motor and dwang, and inside sensor power switch device was fixed in the sampling box, opening and the closure of sensor control motor, the drive dwang rotated when the motor started, and the closing of the sampling chamber door of two sides about the powerful nylon rope is connected respectively to the dwang both ends.

Preferably, the sampling box body is provided with a coil rotating space, and the two ends of the rotating rod rotate in the coil rotating space so as to ensure that the sensor power switch device can normally work when the sensor power switch device is immersed in bottom mud.

Preferably, the sensor retaining ring switch device comprises a sensor and a retaining ring switch, the sensor is fixed inside the sampling box body, and the sensor controls the opening and closing of the retaining ring switch.

Compared with the prior art, the invention has the beneficial effects that: the sampling box door is simple in structure, convenient to use and strong in flexibility, a brand-new self-designed box door closing scheme is adopted, undisturbed sampling is achieved, in addition, the sampling box door is simple to open, sample layering is not interfered, and sample extraction and analysis are facilitated.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 sampling box door of a practical underwater undisturbed mud sampler when opened;

FIG. 2 is a schematic structural view of a sampling box door of a practical underwater undisturbed mud sampler when the sampling box door is closed;

FIG. 3 is a schematic structural view of a sensor power switch device in a practical underwater undisturbed mud sampler;

FIG. 4 is a schematic structural view of a sensor buckle switch device in a practical underwater undisturbed mud sampler when the sensor buckle switch device is closed;

fig. 5 is a schematic structural view of a sensor buckle switch device in a practical underwater undisturbed mud sampler when the sensor buckle switch device is opened.

In the figure: the device comprises a sampling box body 1, a sampling box door 2, a sensor power switch device 3, a sensor buckle switch device 4, a strong nylon rope 5, a coil rotating space 6, a hook 7, a sharp blade 8, a sensor 9, a buckle switch 10, a sensor 11, a motor 12 and a rotating rod 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

As shown in fig. 1 to 5, in the embodiment of the invention, a practical underwater undisturbed mud sampler comprises a sampling box body 1, wherein the front, back, left and right sides of the sampling box body are enclosed by a stainless steel plate with a sharp lower end, a sensor power switch device 3 and a sensor buckle switch device 4 are arranged inside the sampling box body 1, the upper and lower sides of the sampling box body 1 are open and are respectively provided with a sampling box door 2, the sampling box doors 2 are made of bendable and foldable rubber materials, one end of each sampling box door 2 is fixed on the sampling box body 1, the other end of each sampling box door 2 is connected with a strong nylon rope 5, and the other end of each strong nylon rope 5 is connected to the sensor power switch device 3; the back of the sampling box door 2 is provided with a hook 7, the sampling box door 2 is fixed on the sensor buckle switch device 4 through the hook 7 when opened, the front end of the sampling box door 2 is provided with a sharp blade 8, and the sharp blade 8 is helpful for cutting blocked bottom mud in the closing process of the sampling box door 2; the sensor power switch device 3 comprises a sensor 11, a motor 12 and a rotating rod 13, the sensor power switch device 3 is fixed in the sampling box body 1, the sensor 11 controls the opening and closing of the motor 12, the rotating rod 13 is driven to rotate when the motor 12 is started, and two ends of the rotating rod 13 are connected with a strong nylon rope 5 to respectively control the closing of the sampling box doors 2 on the upper and lower surfaces; the sampling box body 1 is provided with a coil rotating space 6, and two ends of a rotating rod 13 rotate in the coil rotating space 6 so as to ensure that the sensor power switch device 3 can work normally when submerged in bottom mud; the sensor retaining ring switch device 4 comprises a sensor 9 and a retaining ring switch 10, the sensor 9 is fixed inside the sampling box body 1, and the sensor 9 controls the opening and closing of the retaining ring switch 10.

The working principle of the invention is as follows:

before the practical underwater undisturbed mud sampler is placed into water, the upper surface and the lower surface of the sampling box body 1 are opened, the sensor power switch device 3 is closed, the rotating rod 13 is static, the sensor buckle switch device 4 is closed, the buckle switch 10 is closed, and the sampling box door 2 is bent, folded and hung on the buckle switch 10 through the hook 7, so that the sampling box body 1 is fixed on the side surface of the sampling box body 1; the practical underwater undisturbed mud sampler is placed into water, and the sampling box body 1 is provided with openings on the upper surface and the lower surface, so that the effect of buoyancy is small, and the mud sampler can be more easily settled to the water bottom and collect bottom mud; when the mud sampler is pressed into mud under the action of gravity, the sediment enters the sampling box body 1 and passes through the sensor power switch device 3 and the sensor retaining ring switch device 4, and the sensor 9 controls the retaining ring switch 10 to be opened, so that the sampling box door 2 fixed on the retaining ring switch is released; sensor 11 control motor 12 starts, motor 12 drive dwang 13 rotates, thereby dwang 13 both ends rotate 6 normal work in space at the coil and become the coil with 5 batching coils of powerful nylon rope, 5 stretch out sampling chamber door 2 progressively with powerful nylon rope, 8 cuts the bed mud that blocks sampling chamber door 2 of sharp blade during, thereby sampling chamber door 2 closes the upper and lower two sides of sampling box 1, the surface of water will be pulled out to the collector that will be in complete encapsulated situation afterwards, whole process can not influence the level distribution of bed mud, realize the original state sampling.

The sampling box door is simple in structure, convenient to use and strong in flexibility, a brand-new self-designed box door closing scheme is adopted, undisturbed sampling is achieved, in addition, the sampling box door is simple to open, sample layering is not interfered, and sample extraction and analysis are facilitated.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.