Method for using box-type mud sampler and collecting and layering columnar mud sample

Abstract

The box type mud sampler comprises a first box body with an opening in the bottom, two grab buckets capable of being opened and closed are arranged on the two sides of the opening in the bottom of the first box body, and a deformation frame for controlling the grab buckets to be opened and closed is arranged on the side face of the first box body; a second box body is inserted into the inner side of the first box body, the two ends of the second box body are arranged in a penetrating mode, a flexible pipe is arranged on the side face of the second box body, and a first fastener matched with the flexible pipe is arranged on the side face of the first box body. According to the scheme, the problems that in the prior art, mud samples are difficult to sample and separate, mud sample disturbance is likely to be caused, and data are influenced can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of sampling, and in particular to the use of a box-type mud sampler and a method for collecting and stratifying columnar mud samples. Background Art

[0002] Sediment is usually a mixture of clay, silt, organic matter and various minerals, which is deposited at the bottom of the water body after a long period of physical, chemical and biological effects and water transmission. The sediment with a thickness of 0-15 cm on the surface is called surface sediment, and the sediment below 15 cm is called deep sediment. The sampling of sediment depends on the sampling purpose, as well as the characteristics of the sediment, pollutants and the surrounding environment. When investigating the sediment status of land water bodies such as lakes, rivers, reservoirs and ports, surface sediment samples are mostly collected.

[0003] When conducting underwater scientific research, it is often necessary to collect mud and sand samples from the underwater surface to study their composition and biological samples. The box-type mud sampler is a device used to collect underwater surface samples. The box-type mud sampler is a type of box-type mud sampler. The box-type mud sampler is lowered to the bottom of the water by a lifting device, and the box-type mud sampler is pulled out of the water after the sampling is completed. The box-type mud storage device includes a mud storage box for storing the collected mud and sand and a grab bucket located below the mud storage box. The grab bucket is open before the collection. After the mud and sand are collected, the grab bucket is closed to seal the lower part of the mud storage box. After the mud is collected, the mud in the box is mostly extracted manually. However, since it can only be extracted in batches, and because the water content of deep-water mud is high, the internal mud will flow after one extraction, which will cause the test sample to deviate. Therefore, the utilization rate of the mud collected once is not high.

[0004] The prior art provides many solutions for this purpose, such as the prior art JP3188856U. The solution disclosed in the invention can achieve water drop when the barrel opening and closing frame is opened to a horizontal state because the side of the central axis protrudes from the barrel body, so the balance of the bottom sampler can be easily maintained. Therefore, the center of gravity of sediment extraction research is stabilized. The frame of the fixed grounding plate is eliminated, and a simple structure of the bottom sampler is achieved. Therefore, the lightweight bottom sampler is easy to handle, but the device still has room for improvement in how to achieve rapid separation of collected mud samples and batch collection. Summary of the invention

[0005] The purpose of the present invention is to provide a method for using a box-type mud sampler and collecting and stratifying columnar mud samples, so as to solve the problems in the prior art that mud sample sampling and separation are difficult and mud sample disturbances easily affect data.

[0006] In order to solve the above technical problems, the present invention specifically provides the following technical solutions: A box-type mud sampler comprises a first box body with an opening at the bottom, two grab buckets that can be opened and closed are arranged on both sides of the bottom opening of the first box body, a deformation frame for controlling the opening and closing of the grab buckets is arranged on the side of the first box body, a second box body is plugged into the inside of the first box body, two ends of the second box body are through-set, a flexible tube is arranged on the side of the second box body, and a first fastener matched with the flexible tube is arranged on the side of the first box body. The grab bucket of the mud sampler in this case is in an open state before being put into the water body, and then the mud sampler is put into the water area at the target position to make it sink naturally. When the grab bucket touches the bottom and contacts the bottom mud, the grab bucket is inserted into the bottom mud by the weight of the mud sampler itself, and then the grab bucket is controlled to close, so that the mud sample is collected into the first box body. The bottom of the first box is sealed with a grab bucket to prevent mud sample loss or sample damage when the mud sampler floats up and moves to the hull. Furthermore, the present invention arranges a second box inside the first box, so that the second box can be quickly separated from the first box after the mud sampler completes mud sample collection and moves to the hull. This solves the problem that the subsequent mud sample collection and separation work is difficult due to the large number of components on the first box. At the same time, the second box can be taken out separately, and multiple batches of mud samples can be collected by replacing the second box in sequence. There is also no problem of mud samples adhering to the mud sampler after the previous and subsequent mud samples are collected, resulting in inaccurate mud sample data.

[0007] The second box body and the first box body are specifically connected by a deformable flexible tube provided on the side of the second box body, so that the deformable flexible tube is used to fill the peak gap between the first box body and the second box body, and a first fastener is further provided to cooperate with the flexible tube. The first fastener is a structure such as a screw or a bolt. After the first box body and the second box body are inserted into each other, the first fastener is screwed in to make it abut against or threadedly connected with the flexible tube, so as to avoid movement of the second box body and the first box body in the assembled state and control the position of the second box body relative to the first box body.

[0008] According to one embodiment of the present invention, blocking blocks are arranged in an array on the side walls of the second box body. The second box body is preferably made of a transparent material such as plastic. The purpose of providing the blocking blocks is to be able to divide the internal space of the second box body after the second box body is taken out from the first box body by selecting and disassembling the blocking blocks at the required positions, and then using the plug-in plate to insert the blocking blocks into the holes where the blocking blocks are located, so as to perform pre-layering processing. It should be emphasized that the blocking blocks and their slot widths in this case are consistent with the width of the second box body, so that the second box body can be layered after the plug-in plate is inserted.

[0009] According to one embodiment of the present invention, a swing plate is provided on the side of the second box body provided with a flexible tube, the swing plate is hingedly arranged with the second box body, the swing plate and the second box body are connected by a first spring, and the swing plate is arranged at one end of the second box body close to the opening of the first box body, so that the space between the second box body and the first box body is blocked again, so as to solve the problem that too much mud sample enters between the second box body and the first box body during mud sample collection, and the overfilling makes it difficult to separate the two. On this basis, the first spring and the swing plate are arranged as a hinged scheme so that the swing plate can swing relatively to cope with the blocking of the interval space between second boxes of different sizes and first boxes of different sizes. At the same time, the presence of the first spring can allow part of the mud sample to enter between the second box body and the first box body to increase the connection stability of the first box body and the second box body at the end. In the process of the subsequent mud sampler moving up in the water and being transported to the ship, the mud sample is filled in the swing plate space at the end of the second box body and the first box body, so that the probability of shaking between the second box body and the first box body is reduced, that is, the probability of damaging the sample inside the second box body is reduced.

[0010] In addition, after the mud sample is filled in the swing plate space between the second box and the end of the first box, the difficulty of dismantling the second box when the mud sampler is moved to the hull is reduced, specifically, by discharging the mud sample filled in the swing plate space to release the mud sample filling and squeezing.

[0011] According to one embodiment of the present invention, reinforcing ribs are arranged in an array on the side of the swing plate. The arrangement of the reinforcing ribs is used to enhance the overall flatness of the swing plate and solve the problem that the swing plate is squeezed and deformed, causing excessive mud samples to enter the space between the first box body and the second box body. In addition, the arrangement of the reinforcing rib array can separate the mud samples passing through the swing plate to avoid the concentration of mud samples.

[0012] According to one embodiment of the present invention, the deformation frame has four rods hinged at the head and tail, and the four rods form a diamond structure. The hinges of the two rods at the upper end of the diamond structure are connected to a first rod that can move up and down relative to the first box body, and the two rods at the lower end of the diamond structure are connected to the grab bucket.

[0013] The deformation frame is as follows: the first box body has two relatively arranged rotating shafts, each rotating shaft is provided with two rods that can rotate with each other, a total of roots of rods are arranged on the two rotating shafts, and a diamond structure, that is, a hinged four-bar mechanism, the grab bucket has an extension rod body, and the extension rod body is connected to the lower end rod body of the diamond structure of the deformation frame, so that the diamond structure of the deformation frame drives the grab bucket and its extension rod body to synchronously displace and change posture after deformation, so as to realize the control of the opening and closing of the grab bucket to realize the collection of mud samples.

[0014] According to one embodiment of the present invention, the first rod end is connected to the first frame, the first frame has a plate horizontally arranged at the upper end of the first box, and both ends of the plate are connected to the first box through extension plates. The first frame can cooperate with the second frame and the limiter to control the deformation of the deformation frame and thus control the opening and closing of the grab bucket.

[0015] According to one embodiment of the present invention, a second frame is disposed above the horizontal plate of the first frame. The second frame has a vertical rod that can be displaced relative to the first frame. A limiting member is connected between the second frame and the first frame.

[0016] According to one embodiment of the present invention, the limiting member includes a first limiting block connected to the second frame, and a second limiting block connected to the first frame, the second limiting block is rotatably connected to a swing rod, and a protrusion is provided at the end of the swing rod, and the protrusion can contact or separate with the first limiting block. Before collecting the bottom mud, the limiting assembly makes the two grabs in an open state, specifically by contacting the first limiting block with the protrusion, thereby shortening the distance between the first frame and the second frame, so as to control the deformation of the deformation frame to control the grabs in an open state, and then put the mud sampler into the water. When the grab touches the bottom mud, the mud sampler inserts the grab into the bottom mud under the action of gravity, continues to lower the rope, and the limiting assembly is automatically released, that is, the protrusion is released from the first limiting block, the restriction is cancelled, the first frame and the second frame can be separated, and then the rope is lifted upward, and under the action of the rope, pulley and bearing, the two grabs are closed, so as to collect the bottom mud.

[0017] According to one embodiment of the present invention, an auxiliary plate is provided on the side of the first box body, and the auxiliary plate can swing relative to the first box body. The auxiliary plate is a hollow structure and a hole body connected to the hollow structure is provided on the surface. The auxiliary plate is designed to improve the stability of the first box body during the bottoming process. Specifically, the auxiliary plate is naturally drooped by the gravity of the auxiliary plate to make the auxiliary plate contact with the periphery of the first box body, thereby reducing the probability of tilting when the first box body is bottomed. In addition, when the mud sampler moves up and down in the water, the water body can enter the hollow structure through the holes on the surface of the auxiliary plate, thereby controlling the movement resistance of the mud sampler in the water and reducing the adverse consequences caused by the excessive speed of the mud sampler. For example, when the mud sampler moves downward in the water body, the auxiliary plate increases the contact area between the device and the water body during the downward movement, thereby reducing the downward impact speed of the mud sampler, thereby avoiding excessive impact force that causes the mud sampler to sit on the bottom and directly destroy the bottom mud state.

[0018] A box-type mud sampler is used and a method for collecting and stratifying columnar mud samples. A box-type mud sampler is used. The method includes sending a first box body into a target water area, obtaining mud samples through a grab bucket, separating a second box body from the first box body, collecting columnar samples of the mud samples inside the second box body, and collecting water samples in layers.

[0019] Compared with the prior art, the present invention has the following beneficial effects: by arranging the second box inside the first box, the present invention can realize that after the mud sampler completes mud sample collection and moves to the hull, the second box can be quickly separated from the first box, thereby solving the problem that the subsequent mud sample collection and separation work is difficult due to the large number of components on the first box. At the same time, the second box can be taken out separately, and multiple batches of mud samples can be collected by replacing the second box in sequence. There is also no problem of mud samples adhering to the mud sampler after the previous and subsequent mud samples are collected, resulting in inaccurate mud sample data. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0021] Figure 1 A schematic diagram of a box-type mud sampler of the present invention; Figure 2 It is a schematic diagram of the structure of the position-limiting member of the present invention; Figure 3 It is a schematic diagram of a connection scheme between the first plate body and the first box body of the present invention; Figure 4 This is a schematic diagram of assembling the first box and the second box of the present invention; Figure 5 It is a schematic diagram of assembling the second box and the stabilizing assembly of the present invention; Figure 6 It is a schematic diagram of a second box of the present invention; Figure 7 is a schematic diagram of a stabilizing assembly of the present invention; Figure 8 It is a schematic diagram of another solution of the stabilizing component of the present invention.

[0022] Explanation of the reference numerals: 10-first box body; 11. first plate body; 12-first fastener; 20-auxiliary plate; 30-grab bucket; 40-first frame body; 41-first rod body; 42-deformation frame; 43-extension plate; 50-limiting member; 51-first limiting block; 52-second limiting block; 53-swing rod; 60-second frame body; 70-second box body; 71-flexible tube; 72-slide rail; 73-swing plate; 74-reinforcement rib; 75-first spring; 76-blocking block; 80-stabilizing assembly; 81-first slider; 82-second spring; 83-first stabilizing rod; 84-rope body; 85-floating body; 86-plate body. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] The following first describes the concepts involved in the present application in conjunction with the accompanying drawings. It should be noted that the following description of each concept is only to make the content of the present application easier to understand, and does not limit the scope of protection of the present application; at the same time, the embodiments and features in the embodiments of the present application can be combined with each other in the absence of conflict. The present application will be described in detail with reference to the accompanying drawings and in conjunction with the embodiments.

[0025] Embodiment 1 like Figure 1-Figure 8 As shown, a box-type mud sampler comprises a first box body 10 with a bottom opening, two grab buckets 30 that can be opened and closed are arranged on both sides of the bottom opening of the first box body 10, a deformation frame 42 for controlling the opening and closing of the grab buckets 30 is arranged on the side of the first box body 10, a second box body 70 is inserted into the inner side of the first box body 10, both ends of the second box body 70 are through-set, a flexible tube 71 is arranged on the side of the second box body 70, and a first fastener 12 equipped with the flexible tube 71 is arranged on the side of the first box body 10. Before the mud sampler of this case is put into the water body, the grab bucket 30 is in an open state, and then the mud sampler is put into the water area at the target position to make it sink naturally. When the grab bucket 30 touches the bottom and contacts the bottom mud, the grab bucket 30 is inserted into the bottom mud by the weight of the mud sampler itself, and then the grab bucket 30 is controlled to close, so as to realize the mud sampling. The sample is collected into the first box 10 and the grab 30 is used to seal the bottom of the first box 10 to prevent the loss of mud samples or sample damage when the mud sampler floats up and moves to the hull. Furthermore, the present invention provides a second box 70 inside the first box 10, so that after the mud sampler completes mud sample collection and moves to the hull, the second box 70 can be quickly separated from the first box 10, thereby solving the problem that the large number of components on the first box 10 makes subsequent mud sample collection and separation difficult. At the same time, the second box 70 can be taken out separately, and multiple batches of mud samples can be collected by replacing the second box 70 in sequence. There is also no problem of mud samples adhering to the mud sampler after the previous and subsequent mud samples are collected, resulting in inaccurate mud sample data.

[0026] The second box body 70 and the first box body 10 are specifically connected by a deformable flexible tube 71 provided on the side of the second box body 70, so that the deformable flexible tube 71 is used to fill the peak gap between the first box body 10 and the second box body 70, and a first fastener 12 is further provided to cooperate with the flexible tube 71. The first fastener 12 is a structure such as a screw or a bolt. After the first box body 10 and the second box body 70 are inserted into each other, the first fastener 12 is screwed in to make it abut against or threadedly connected with the flexible tube 71, so as to avoid movement of the second box body 70 and the first box body 10 when assembled and control the position of the second box body 70 relative to the first box body 10.

[0027] The second box body 70 is provided with a side wall array of blocking blocks 76. The second box body 70 is preferably made of a transparent material such as plastic. The purpose of providing the blocking blocks 76 is to be able to divide the internal space of the second box body 70 and perform pre-layering by selectively disassembling the blocking blocks 76 at the required positions after the second box body 70 is taken out from the first box body, and then using an insert plate to insert the blocking blocks 76 into the holes. It should be emphasized that the blocking blocks 76 and their slot widths in this case are consistent with the width of the second box body 70, so that the internal layering of the second box body 70 can be achieved after the insert plate is inserted.

[0028] The side of the second box body 70 provided with the flexible tube 71 is provided with a swing plate 73, and the swing plate 73 is hingedly arranged with the second box body 70. The swing plate 73 and the second box body 70 are connected by a first spring 75. The swing plate 73 is arranged at an end of the second box body 70 close to the opening of the first box body 10, so that the space between the second box body 70 and the first box body 10 is blocked again, so as to solve the problem that too much mud sample enters between the second box body 70 and the first box body 10 during the mud sample collection process, and the overfilling makes it difficult to separate the two. On this basis, the first spring 75 and the swing plate 73 are hinged so that the swing plate 73 can The first box body 70 and the first box body 10 are able to swing relative to each other to seal the gap space between the second box body 70 of different sizes and the first box body 10 of different sizes. At the same time, the existence of the first spring 75 can allow part of the mud sample to enter between the second box body 70 and the first box body 10 to increase the connection stability between the first box body 10 and the second box body 70 at the end. In the process of the subsequent mud sampler moving up in the water and being transported to the ship, the space between the swing plate 73 at the end of the second box body 70 and the first box body 10 is filled with mud samples, so the probability of shaking between the second box body 70 and the first box body 10 is reduced, that is, the probability of damaging the sample inside the second box body 70 is reduced.

[0029] In addition, after the mud sample is filled in the space between the second box body 70 and the swing plate 73 at the end of the first box body 10, the difficulty of dismantling the second box body 70 when the mud sampler is moved to the hull is reduced, specifically, the mud sample filled in the space of the swing plate 73 is discharged to release the mud sample filling and squeezing.

[0030] According to one embodiment of the present invention, reinforcing ribs 74 are arranged in an array on the side of the swing plate 73. The reinforcing ribs 74 are provided to strengthen the overall flatness of the swing plate 73 and solve the problem that the swing plate 73 is squeezed and deformed, causing excessive mud samples to enter the space between the first box body 10 and the second box body 70. In addition, the array arrangement of the reinforcing ribs 74 can separate the mud samples passing through the swing plate 73 to avoid the concentration of mud samples.

[0031] The deformation frame 42 has four rods hinged end to end, and the four rods form a diamond structure. The two rods at the upper end of the diamond structure are hinged to the first rod 41 that can move up and down relative to the first box body 10, and the two rods at the lower end of the diamond structure are connected to the grab bucket 30.

[0032] The deformation frame 42 is as follows: the first box body 10 has two relatively arranged rotating shafts, each rotating shaft is provided with two rods that can rotate with each other, and a total of 4 rods are arranged on the two rotating shafts, and form a diamond structure, that is, a hinged four-bar mechanism. The grab bucket 30 has an extension rod body, and the extension rod body is connected to the lower end rod body of the diamond structure of the deformation frame 42, so that the diamond structure of the deformation frame 42 drives the grab bucket 30 and its extension rod body to synchronously displace and change posture after deformation, so as to control the opening and closing of the grab bucket 30 to realize the collection of mud samples.

[0033] The first rod 41 is connected to the first frame 40 at its end. The first frame 40 has a plate horizontally arranged at the upper end of the first box 10. Both ends of the plate are connected to the first box 10 through extension plates 43. The first frame 40 can cooperate with the second frame 60 and the limiter 50 to control the deformation of the deformation frame 42 and thus control the opening and closing of the grab 30.

[0034] A second frame 60 is disposed above the horizontal plate of the first frame 40 . The second frame 60 has a vertical rod that can be displaced relative to the first frame 40 . A limiting member 50 is connected between the second frame 60 and the first frame 40 .

[0035] The limiting member 50 includes a first limiting block 51 connected to the second frame 60, and a second limiting block 52 connected to the first frame 40. The second limiting block 52 is rotatably connected to a swing rod 53. The end of the swing rod 53 is provided with a protrusion, which can contact or separate with the first limiting block 51. Before collecting the bottom mud, the limiting assembly 50 makes the two grab buckets 30 in an open state, specifically, the protrusion contacts the first limiting block 51, thereby shortening the distance between the first frame 40 and the second frame 60, so as to control the deformation of the deformation frame 42 to control the grab bucket 30 in an open state, and then put the mud collector into the water. When the grab bucket 30 touches the bottom mud, the mud sampler inserts the grab bucket 30 into the bottom mud under the action of gravity, and continues to lower the rope. The limit assembly 50 is automatically loosened, that is, the protrusion and the first limit block 51 are loosened, the restriction is cancelled, the first frame 40 and the second frame 60 can be separated, and then the rope is lifted upward. Under the action of the rope, pulley and bearing, the two grab buckets 30 are closed to collect the bottom mud.

[0036] An auxiliary plate 20 is provided on the side of the first box 10. The auxiliary plate 20 can swing relative to the first box 10. The auxiliary plate 20 is a hollow structure and has holes on its surface that are connected to the hollow structure. The auxiliary plate 20 is designed to improve the stability of the first box 10 during the bottoming process. Specifically, the auxiliary plate 20 is naturally drooped by gravity to make the auxiliary plate 20 contact with the periphery of the first box 10, thereby reducing the probability of tilting when the first box 10 is bottomed. In addition, when the mud sampler moves up and down in the water, the water can enter the hollow structure through the holes on the surface of the auxiliary plate 20, thereby controlling the moving resistance of the mud sampler in the water and reducing the adverse consequences caused by the excessive speed of the mud sampler. For example, when the mud sampler moves down in the water, the auxiliary plate 20 increases the contact area between the device and the water body during the downward movement, thereby reducing the downward impact speed of the mud sampler, thereby avoiding excessive impact force that causes the mud sampler to sit on the bottom and directly destroy the bottom mud state.

[0037] A box-type mud sampler is used and a method for collecting and stratifying columnar mud samples. A box-type mud sampler is used. The method includes sending a first box body 10 into a target water area, obtaining mud samples through a grab bucket 30, separating a second box body 70 from the first box body 10, collecting columnar samples of the mud samples inside the second box body 70, and collecting water samples in layers.

[0038] Embodiment 2: See attached Figure 1 , Attachment Figure 3As shown, two oppositely arranged first plates 11 are respectively provided on the left and right sides of the first box body 10, and the first plates 11 are connected by a sealing plate to form a space for placing objects between the two first plates 11. In this way, the first box body 10 can be counterweighted on the left and right sides of the first box body 10 according to experimental requirements, that is, the counterweight block is placed in the space between the first plates 11 to control the center of gravity of the entire device during the up and down movement in water. In addition, the bottom area of ​​the first box body 10 is expanded by arranging the first plate body 11 on the side of the first box body 10, which is beneficial to improve the contact effect between the first box body 10 and the bottom mud by utilizing the enlarged area of ​​the first plate body 11 after the first box body 10 sits on the bottom of the water area, and solves the problem that the contact surface of the first box body 10 is too small, resulting in excessive impact force of falling and destroying the original distribution of the bottom mud.

[0039] Embodiment 3: See attached Figure 5 , Attachment Figure 7 As shown, a stabilizing assembly 80 is provided inside the second box body 70, specifically: slide rails 72 are provided on two oppositely arranged inner walls of the second box body 70, and the slide rails 72 are correspondingly provided with a first slider 81 that can move relative to the slide rails 72, and the stabilizing assembly 80 includes a first slider 81, and an extension block is provided on the side of the first slider 81, and the extension block is hinged with a first stabilizing rod 83, and the end of the first stabilizing rod 83 is connected to a float 85 through a rope body 84, and a plate body 86 with a hole is connected below the float 85. It should be noted that the side of the first stabilizing rod 83 is connected to the first slider 81 through a second spring 82.

[0040] See attached Figure 8 , Attachment Figure 7 As shown, the shape of the plate body 86 can be a circular plate or a rectangular plate.

[0041] By setting a stabilization component 80 inside the second box 70, for the mud sample collected inside the second box 70, the fluctuation of the surface water of the mud sample will affect the collected data. Therefore, the structure of setting the float 85 and the plate 86 can reduce or avoid the shaking of the surface water of the collected mud sample, especially the resuspension of the water sediments. The further setting of the rope 84 connected to the float 85 and the setting of the second spring 82 is to solve the situation where the amount of mud samples collected by the second box 70 is different. Therefore, the first slider 81 will move with the up and down movement of the float 85. In this process, the rope 84 and the second spring 82 are used to reduce or avoid the problem of the influence of the movement of the first slider 81 on the plate 86, and the first slider 81 and the rope 84 can limit the movement trajectory and range of the entire stabilization component 80 inside the second box 70.

[0042] The embodiments and / or implementation methods described above are only used to illustrate the preferred embodiments and / or implementation methods for realizing the technology of the present invention, and are not intended to limit the implementation methods of the technology of the present invention in any form. Any technical personnel in this field may make slight changes or modifications to other equivalent embodiments without departing from the scope of the technical means disclosed in the content of the present invention, but they should still be regarded as technologies or embodiments that are essentially the same as the present invention. This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and its core ideas of this application. The above is only the preferred implementation method of this application. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of this application, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the invention to other occasions without improvement, should be regarded as the scope of protection of this application.

Claims

1. A box-type mud sampler, comprising a first box body (10) with a bottom opening, two grab buckets (30) capable of opening and closing are arranged on both sides of the bottom opening of the first box body (10), and a deformation frame (42) for controlling the opening and closing of the grab buckets (30) is arranged on the side of the first box body (10), characterized in that: A second box body (70) is inserted into the inner side of the first box body (10), two ends of the second box body (70) are connected, a flexible tube (71) is provided on the side of the second box body (70), and a first fastener (12) matched with the flexible tube (71) is provided on the side of the first box body (10).

2. A box-type mud sampler according to claim 1, characterized in that: The side wall array of the second box body (70) is provided with blocking blocks (76).

3. A box-type mud sampler according to claim 1, characterized in that: A swing plate (73) is provided on the side of the second box body (70) provided with a flexible tube (71); the swing plate (73) is hingedly connected to the second box body (70); and the swing plate (73) and the second box body (70) are connected via a first spring (75).

4. A box-type mud sampler according to claim 3, characterized in that: The side surface of the swing plate (73) is provided with reinforcing ribs (74) in an array.

5. A box-type mud sampler according to claim 1, characterized in that: The deformation frame (42) has four rods hinged end to end, the four rods forming a diamond structure, two rods at the upper end of the diamond structure being hinged to a first rod (41) that can move up and down relative to the first box (10), and two rods at the lower end of the diamond structure being connected to the grab bucket (30).

6. A box-type mud sampler according to claim 5, characterized in that: The end of the first rod (41) is connected to the first frame (40), and the first frame (40) has a plate body arranged horizontally with the upper end of the first box (10), and both ends of the plate body are connected to the first box (10) via extension plates (43).

7. A box-type mud sampler according to claim 6, characterized in that: A second frame (60) is provided above the horizontal plate of the first frame (40); the second frame (60) has a vertical rod capable of displacement relative to the first frame (40); and a limiting member (50) is connected between the second frame (60) and the first frame (40).

8. A box-type mud sampler according to claim 7, characterized in that: The limiting member (50) comprises a first limiting block (51) connected to the second frame (60), and a second limiting block (52) connected to the first frame (40); the second limiting block (52) is rotatably connected to a swing rod (53); a protrusion is provided at the end of the swing rod (53); the protrusion can contact or separate from the first limiting block (51).

9. A box-type mud sampler according to claim 1, characterized in that: An auxiliary plate (20) is provided on the side of the first box body (10); the auxiliary plate (20) is capable of swinging relative to the first box body (10); the auxiliary plate (20) is a hollow structure and has a hole on its surface that is connected to the hollow structure.

10. A method for using a box-type mud sampler and collecting and stratifying columnar mud samples, characterized in that The method adopts a box-type mud sampler as claimed in any one of claims 1 to 9, and the method comprises sending a first box body (10) into a target water area, obtaining a mud sample by a grab bucket (30), separating a second box body (70) from the first box body (10), collecting a columnar sample of the mud sample inside the second box body (70), and collecting a water sample in layers.

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