CN216050942U

CN216050942U - Mud sampling device

Info

Publication number: CN216050942U
Application number: CN202122243310.4U
Authority: CN
Inventors: 李静; 韩昊延; 周别林
Original assignee: Tianjin Lvyuan Environmental Protection Engineering Co ltd
Current assignee: Tianjin Lvyuan Environmental Protection Engineering Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-15
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of sampling devices, in particular to a mud sampling device. The device comprises a handheld part, a balance rod and a device main body, wherein the device main body comprises a sampling rod, a sampling rope and a sampling container; the sampling rod is hollow, comprises one or more branch rods and is used for adjusting the sampling depth; the top end of the sampling rod is connected with the balance rod, the bottom end of the sampling rod is connected between the handheld part of the sampling container and the balance rod, and the sampling rod and the balance rod are connected through threads; the bottom of the sampling container is a sample inlet and outlet, a piston and a piston handle are arranged in the sampling container, the bottom end of the piston handle is connected with the piston, and the top end of the piston handle is connected with a sampling rope; the sampling rope penetrates through the sampling rod and the balance rod; the surface of the balancing rod is provided with a level gauge; the surface of the sampling container is provided with volume scale marks, and the outer surface of the bottom of the sampling container is provided with a tool bit. The device can accurately gather the mud sample of effluent water sump scientifically, easy operation, and the installation and dismantlement are safe convenient, nimble adjustment sampling degree of depth, simple structure, and the cost is lower, can directly read the sampling volume.

Description

Mud sampling device

Technical Field

The utility model relates to the technical field of sampling devices, in particular to a mud sampling device.

Background

In sewage treatment tanks, sewage and sludge slurries are usually present. Before formally treating pollutants in the pond, the bottom mud at the bottom of the pond needs to be extracted for small-scale test, and the pollutant components and the content in the bottom mud are detected, so that the sewage and the bottom mud can be conveniently and respectively treated in the follow-up process. However, sewage still exists in the sewage treatment tank, and the sediment slurry is inconvenient to sample. In the prior art, a grab type sediment collector is usually adopted, but is not suitable for collecting thin sediment (mud); the electric mud grabbing sampler consumes electric energy and is inconvenient to use; some sediment samplers still adopt the staving to draw the sediment, but the sampling depth is uncertain, and it is inconvenient to gather the sample, and the sampling process is coarse and unscientific, and the staving sampling also can't confirm the sample volume.

Disclosure of Invention

The utility model aims to provide a mud sampling device which is used for quickly and accurately collecting a mud sample of a sewage tank, can flexibly adjust and determine the sampling depth, has a simple structure, is safe and convenient to mount and dismount, is simple and portable, can directly read the sampling amount, is simple to operate and low in manufacturing cost, does not need electricity, and is low in cost.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a mud sampling device comprises a handheld part, a balance rod and a device main body, wherein the device main body comprises a sampling rod, a sampling rope and a sampling container; the sampling rod is hollow, comprises one or more branch rods and is used for adjusting the sampling depth; the top end of the sampling rod is connected with the balance rod, and the bottom end of the sampling rod is connected with the sampling container; the hand-held part is connected with the balance rod through threads, and the sampling rod is connected with the balance rod through threads; the bottom of the sampling container is a sample inlet and outlet, a piston and a piston handle are arranged in the sampling container, the bottom end of the piston handle is connected with the piston, and the top end of the piston handle is connected with the sampling rope; the sampling rope penetrates through the sampling rod and the balance rod and is used for lifting the piston handle and the piston during sampling; the surface of the balancing rod is provided with a level gauge; the surface of the sampling container is provided with volume scale marks; the outer surface of the bottom of the sampling container is provided with a cutter head, so that slurry can be conveniently inserted for sampling.

Optionally, a threaded hole is formed in the balance bar; the branch rod is a cylindrical pipe, the upper end of the branch rod is provided with a bolt, and the lower end of the branch rod is provided with a threaded hole; the branch rods are connected through threads.

Optionally, a threaded hole is formed in the balance bar; divide the sleeve pipe of pole for from top to bottom diameter grow gradually, the sleeve pipe top sets up at least one arch, the bottom sets up at least one spacing hole, the size in spacing hole with bellied size corresponds the setting.

Optionally, the top of the sleeve connected with the balance bar is a bolt, the bottom of the sleeve is provided with at least one limiting hole, the top of the sleeve connected with the sampling container is provided with at least one protrusion, and the bottom of the sleeve is a threaded hole.

Optionally, the top of the sampling container is a hollow bolt and is connected with a threaded hole at the bottom of the sampling rod; the piston shank is able to enter the hollow bolt when it is raised.

Optionally, the surface of the sampling rod is marked with gradually-increased length scale marks from bottom to top, and the gradually-increased length scale marks are used for measuring the height from the sample inlet and the sample outlet to the water surface during sampling; the numerical value of bottom scale mark does the sample is imported and exported apart from the initial distance of sampling rod bottom, and the accuracy is the centimeter level.

Optionally, a first threaded hole is formed in the middle of the balancing rod, and a second threaded hole and a third threaded hole are symmetrically formed in the two sides of the balancing rod; the handheld portion is connected with the first threaded hole, and the second threaded hole and the third threaded hole are respectively connected with the device main body and used for collecting parallel samples.

Optionally, the cutter heads are of arc-shaped sheet structures and are symmetrically arranged.

The mud sampling device provided by the utility model is characterized in that a handheld part, a balance rod, a sampling rod and a sampling container are connected from top to bottom before use, a piston in the sampling container is pushed to the bottom of the container before connection, a sample inlet and a sample outlet are closed, the number of the sampling rods is adjusted to connect the sampling rods, so that the required length of the sampling rod is controlled, one end (fixed end) of a sampling rope is connected to the top end of a piston handle of the sampling container, and the other end (free end) penetrates through the sampling rod and extends out of the sampling rod by a sufficient length; when the sampling device is put down, because the piston seals the sample inlet and outlet, when the sample inlet and outlet does not reach the planned sampling depth, sewage or slurry with other depths cannot flow into the sampling container; the outer surface of the bottom of the sampling container is provided with a tool bit, so that the sampling container can be conveniently inserted into slurry to promote sampling, and meanwhile, the sample inlet and the sample outlet are protected in the same area; when slurry is collected, the sampling rope is manually and slowly lifted up to pull the piston handle upwards, so that the piston in the sampling container is lifted up to collect a sample, negative pressure is formed inside the container when the piston is pulled to move upwards, and pressure difference is formed inside and outside the container, so that the slurry to be collected can be sucked into the sampling container through the sample inlet and the sample outlet; when the piston is pulled to the top of the container and stands still, the internal and external pressures of the sampling container are equal, and the sample cannot flow out or spill in the rising process; after the collection is completed, the device is lifted out of the sewage tank, the volume of the collected sample can be determined through the volume scale marks on the surface of the sampling container, and the sampling container is taken down and then the piston is pushed by the piston handle to discharge the slurry for sampling.

From the analysis, compared with the prior art, the beneficial effects of the utility model are as follows:

the mud sampling device provided by the utility model can scientifically and accurately collect mud samples in the sewage tank, and has the advantages of simple operation method, safe and convenient installation and disassembly, simple structure, low manufacturing cost and lower cost.

The mud sampling device provided by the utility model can adjust the length of the sampling rod according to the sampling depth, is suitable for collecting mud in sewage pools with different depths, the tool bit at the bottom of the sampling container can promote the insertion into the mud, and simultaneously, a protection effect is formed on the sample inlet and outlet in a certain area, and the surface of the sampling container is provided with continuous scales, so that after the sampling container is taken out, the scales where the sample is located can be directly read to obtain a corresponding volume value, the data processing and recording are convenient, the sampling device does not need to be powered, and the operation is safe.

Drawings

Fig. 1 is a schematic structural diagram of a mud sampling apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the balance bar and the sampling bar of FIG. 1 shown disassembled;

FIG. 3 is a schematic structural diagram of another mud sampling apparatus provided in an embodiment of the present invention;

FIG. 4 is a schematic structural view of the balance bar and the sampling bar of FIG. 3 shown disassembled;

FIG. 5 is a schematic structural diagram of a third mud sampling apparatus provided in an embodiment of the present invention;

FIG. 6 is a schematic structural view of the stabilizer bar of FIG. 5;

FIG. 7 is a schematic view of a sampling vessel;

FIG. 8 is a schematic view of a cutting head on the sampling container;

in the figure: 1-a hand-held part; 2-a balance bar; 3-a sampling rod; 4-a sampling rope; 5-a sampling container; 6-volume scale mark; 7-sample import and export; 8-a piston; 9-a piston shank; 10-a level gauge; 11-a cutter head; 12-a threaded hole; 13-a cylindrical tube; 14-a sleeve; 15-bulge; 16-a limiting hole; 17-length scale lines; 18-a first threaded hole; 19-a second threaded hole; 20-third threaded hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-4, the mud sampling device provided by the embodiment of the utility model comprises a handheld part (1), a balance rod (2) and a device main body, wherein the device main body comprises a sampling rod (3), a sampling rope (4) and a sampling container (5); the sampling rod (3) is hollow, comprises one or more branch rods and is used for adjusting the sampling depth; the top end of the sampling rod (3) is connected with the balance rod (2), and the bottom end is connected with the sampling container (5); the hand-held part (1) is connected with the balance rod (2) through threads, and the sampling rod (3) is connected with the balance rod (2) through threads; the bottom of the sampling container (5) is provided with a sample inlet and outlet (7), the interior of the sampling container is provided with a piston (8) and a piston handle (9), the bottom end of the piston handle (9) is connected with the piston (8), and the top end of the piston handle is connected with the sampling rope (4); the sampling rope (4) penetrates through the sampling rod (3) and the balance rod (2) and is used for lifting the piston handle (9) and the piston (8) during sampling; a level gauge (10) is arranged on the surface of the balancing rod (2); the surface of the sampling container (5) is provided with volume scale marks (6); the outer surface of the bottom of the sampling container (5) is provided with a tool bit (11) which is convenient for inserting mud for sampling.

The mud sampling device provided by the embodiment of the utility model is characterized in that a handheld part (1), a balance rod (2), a sampling rod (3) and a sampling container (5) are connected from top to bottom before use, a piston (8) in the sampling container (5) is pushed to the bottom of the container before connection, a sample inlet and outlet (7) is sealed, the number of sub-rods is adjusted to connect the sampling rod (3), so that the length of the required sampling rod (3) is controlled, one end (fixed end) of a sampling rope (4) is connected to the top end of a piston handle (9) of the sampling container (5), and the other end (free end) penetrates through the sampling rod (3) and extends out of the sampling rod (3) by enough length; when the sampling device is lowered, because the piston (8) seals the sample inlet and outlet (7), when the sample inlet and outlet (7) does not reach the planned sampling depth, sewage or slurry with other depths cannot flow into the sampling container (5); the outer surface of the bottom of the sampling container (5) is provided with a tool bit (11), so that the sampling container (5) can be conveniently inserted into slurry to promote sampling, and meanwhile, the sample inlet and outlet (7) can be protected in the same area; when slurry is collected, the sampling rope (4) is lifted up slowly by manpower to pull the piston handle (9) upwards, so that the piston (8) in the sampling container (5) is lifted to collect a sample, when the piston (8) is pulled to move upwards, negative pressure is formed inside the container, and pressure difference is formed between the inside and the outside of the container, so that the slurry to be collected can be sucked into the sampling container (5) through the sample inlet and outlet (7); when the piston (8) is pulled to the top of the container and stands still, the internal and external pressures of the sampling container (5) are equal, and the sample cannot flow out or spill in the rising process; after collection, the device is lifted out of the sewage tank, the volume of a collected sample can be determined through volume scale marks (6) on the surface of the sampling container (5), and the sampling container (5) is taken down and then the piston (8) is pushed by the piston handle (9) to discharge mud for sampling.

Compared with the prior art, the mud sampling device provided by the embodiment of the utility model has the following beneficial effects:

the mud sampling device provided by the embodiment of the utility model can scientifically and accurately collect mud samples in the sewage tank, and has the advantages of simple operation method, safe and convenient installation and disassembly, simple structure, low manufacturing cost and lower cost. This mud sampling device not only can carry out the regulation of sampling rod length according to the sampling depth, be applicable to the collection of mud in the different degree of depth effluent water sump, tool bit (11) of sampling container (5) bottom can promote to insert in the mud, import and export (7) to the sample simultaneously and form the guard action in certain region, and sampling container (5) surface has continuous scale, consequently, take out the back when sampling container (5), directly read the scale of sample place and can obtain corresponding volume numerical value, make things convenient for data processing and record, sampling device need not use electricity, and the operation is safe.

Optionally, in order to achieve the effect of flexibly adjusting the length of the sampling rod (3) to adapt to different depths, as shown in fig. 1 and fig. 2, in the mud sampling device provided by the embodiment of the present invention, a threaded hole (12) is provided on the balance rod (2); the branch rod is a cylindrical pipe (13), the upper end of the branch rod is provided with a bolt, and the lower end of the branch rod is provided with a threaded hole; the branch rods are connected through threads.

Optionally, one or more of the cylindrical tubes (13) can be connected to form the sampling rod (3), and the length of each cylindrical tube (13) (excluding the length of the bolt) can be 1m, 1.2m, 1.5 m; the cylindrical pipe (13) is made of galvanized steel pipe.

Preferably, the number of the branch rods ranges from 1 to 7, each branch rod has a length of 1m and an accuracy of 0.01 m.

Optionally, the hand-held part (1) and the balance bar (2) are integrally formed. The handheld part (1) is also of a hollow tubular structure, the upper end and the lower end of the handheld part are both open, and the outer surface of the handheld part (1) is provided with an anti-skid pattern or an anti-skid sleeve.

In use, as shown in figure 1, the sub-rods are sequentially screwed to the required length to form the sampling rod (3). Because the branch rods are hollow, one end (fixed end) of the sampling rope (4) can penetrate through each branch rod and then is connected to a piston handle (9) of the sampling container (5), and the other end (free end) of the sampling rope (4) is remained to be long enough after penetrating through the balance rod (2) and is used for lifting up a piston of the sampling container (5) during sampling.

Optionally, in order to achieve the effects of being convenient to carry and quickly adjusting the sampling depth, as shown in fig. 3 and fig. 4, in the mud sampling device provided by the embodiment of the present invention, a balance rod (2) is provided with a threaded hole (12); the branch rod is a sleeve (14) with the diameter gradually increased from top to bottom, at least one bulge (15) is arranged at the top of the sleeve (14), at least one limiting hole (16) is arranged at the bottom of the sleeve (14), and the size of the limiting hole (16) corresponds to the size of the bulge (15).

Optionally, the projection (15) on the top of the sleeve (14) can move radially inwards or outwards relative to the sleeve (14); the branch rod comprises a plurality of sleeves (14), and the length of each sleeve (13) can be 1m, 1.2m and 1.5 m; the loop bars (14) are all made of galvanized steel pipes.

Preferably, the number of sleeves (14) is in the range of 1-7, each sleeve (14) is 1m in length, and the accuracy of the length scale marks (17) on the sleeves (14) is 0.01 m.

Optionally, the stop hole (16) at the bottom of the sleeve (14) has a diameter of 0.2-0.7cm, with typical but non-limiting values of 0.2cm, 0.3cm, 0.4cm, 0.5cm, 0.6cm, 0.7 cm; the protrusions (15) are small steel balls with a diameter of 0.2-0.7cm, with typical but not limiting diameter values of 0.2cm, 0.3cm, 0.4cm, 0.5cm, 0.6cm, 0.7 cm; the protrusion (15) is placed in a hole in the top of the sleeve (14) with a diameter slightly smaller than the diameter of the protrusion (15) just enough to allow the protrusion (15) to be snapped out without coming out of the hole, preferably the protrusion (15) is placed in a hole with a diameter of 0.2-0.7cm, typically but not limited to 0.2cm, 0.3cm, 0.4cm, 0.5cm, 0.6cm, 0.7cm in the top of the sleeve (14).

Optionally, the diameter of the limiting hole (16) at the bottom of the sleeve (14) is 0.5cm, the protrusion (15) is a small steel ball with the diameter of 0.5cm, and the protrusion (15) is arranged in the hole with the diameter of 0.45cm at the top of the sleeve (14). For example, a sampling rod consisting of 2 cannulae (1 # cannula is sleeved in 2# cannula when not in use): the 1# sleeve pipe is pulled out from the 2# sleeve pipe, the two sleeve pipes (14) are rotated to enable the bulge (15) at the bottom of the 1# sleeve pipe to be clamped in the limiting hole (16) at the top of the 2# sleeve pipe, the bottom of the 1# sleeve pipe is connected to the top of the 2# sleeve pipe, the top of the 1# sleeve pipe is connected with the balance rod (2), the bottom of the 2# sleeve pipe is connected with the sampling container (5), and the 1# sleeve pipe and the 2# sleeve pipe are connected to form the sampling rod (3). And so on for other numbers of sleeves (14).

In the mud sampling container provided by the embodiment of the utility model, as shown in fig. 4, the top of the sleeve (14) connected with the balance bar (2) is provided with a bolt, the bottom of the sleeve is provided with at least one limiting hole (16), and preferably, 2 limiting holes (16) are symmetrically arranged; the top of the sleeve (14) connected with the sampling container (5) is provided with at least one bulge (15), the bottom end is a threaded hole, and preferably, the bulges (15) are symmetrically provided with 2.

When the sampling device is used, as shown in fig. 3, the sleeves (14) which are sleeved together are pulled out by the required amount and the corresponding sleeves (14) are rotated, the protrusions (15) are rotated into the corresponding limiting holes (16) to form the sampling rod (3), the sampling height is fixed, the balancing rod (2) is connected with the top end of the sleeve (14) through a bolt, and the bottom of the sleeve (14) is connected with the top of the sampling container (5). Because the sleeve (14) is hollow, one end (fixed end) of the sampling rope (4) after penetrating through each tube can be connected to the piston handle (9) of the sampling container (5), and the other end (free end) of the sampling rope is enough length after penetrating through the balance rod (2) and is used for lifting the piston of the sampling container (5) upwards during sampling.

In order to facilitate assembly of various components, in the mud sampling device provided by the embodiment of the utility model, as shown in fig. 7 in combination with fig. 1 or fig. 3, the top of the sampling container (5) is a hollow bolt and is connected with a threaded hole at the bottom of the sampling rod (3); the piston shank (9) can enter the hollow bolt when rising.

According to the mud sampling device provided by the embodiment of the utility model, as shown in fig. 1 and 3, the gradually-increased length scale marks (17) are marked on the surface of the sampling rod (3) from bottom to top and are used for measuring the height of a sample inlet and outlet (7) from the water surface during sampling; the numerical value of the bottom end scale mark is the initial distance between the sample inlet and outlet (7) and the bottom end of the sampling rod (3), and the accuracy is centimeter level.

Optionally, the initial distance from the sample inlet/outlet (7) of the sampling container (5) to the bottom end of the sampling rod (3) is 20cm, the number of the scale marks at the bottom end of the sampling rod (3) is 0.20m, the scale marks are gradually increased upwards and are sequentially marked as 0.50m, 1.00m, 1.50m, 2.00m, 2.50 m, 3.00m, 3.50m, 4.00m, 4.50m, 5.00m, 5.50m and 7.00 m.

Optionally, in order to quickly collect and collect a parallel sample, as shown in fig. 5 and fig. 6, in the mud sampling device provided by the embodiment of the present invention, a first threaded hole (18) is formed in the middle of the balance bar (2), and second threaded holes (19) and third threaded holes (20) are symmetrically formed in both sides of the balance bar; the handheld part (1) is connected with the first threaded hole (18), and the second threaded hole (19) and the third threaded hole (20) are respectively connected with the device main body and used for collecting parallel samples.

When in use, as shown in fig. 5, the first threaded hole (18) is connected with the handheld part (1); the second threaded hole (19) is connected with a set of sampling rod (3) and a sampling container (5), one end of the sampling rope (4) is connected with the sampling container (5), the other end of the sampling rope penetrates through the sampling rod (3) and is reserved with enough length for sampling and controlling the piston (8) and the piston handle (9); the third threaded hole (20) is connected with another set of sampling rod (3) and another sampling container (5), one end of another sampling rope (4) is connected with the sampling container (5), the other end of the another sampling rope penetrates through the sampling rod (3) and is reserved with enough length to be used for sampling the corresponding control piston (8) and the corresponding piston handle (9). Thereby can transfer whole device through handheld portion (1) to through controlling two parallel appearance of sampling rope (4) simultaneous acquisition.

In order to accelerate the suction of the mud sample by the sampling container (5), the mud sampling device provided by the embodiment of the utility model is shown in fig. 7 in combination with fig. 8 and fig. 1, and the cutter heads (11) are of arc-shaped sheet structures and are symmetrically arranged. The symmetrically arranged tool bits (11) with arc-shaped sheet structures are more favorable for taking the effect of shoveling, and are favorable for the smooth suction of the slurry sample into the sample inlet and outlet (7) of the sampling container (5), thereby realizing the purpose of sampling.

Optionally, the sampling container (5) is cylindrical in appearance, and the cutter head (11) with the arc-shaped sheet structure and the sampling container (5) are designed in an integrated mode.

Optionally, a plurality of sample inlets and outlets (7) of the sampling container (5) are arranged; preferably, 2-3 sample inlets and outlets (7) of the sampling container (5) are arranged.

The mud sampling device provided by the utility model can be used for sampling other fluids, has the advantages of low manufacturing cost, simple structure, convenience in operation, portability, scientific and accurate sampling, can directly obtain the sampling volume and the sampling depth, and is convenient for data recording.

The embodiments of the present invention are described only for the purpose of understanding the technical solutions of the present invention in detail, and the description should not be construed as limiting the technical solutions of the present invention. Obvious modifications or substitutions in the technical scheme of the utility model are considered to be part of the utility model and belong to the protection scope of the utility model as long as the technical effect expected by the utility model can be achieved within the overall conception of the utility model.

Claims

1. The utility model provides a mud sampling device which characterized in that: the device comprises a handheld part, a balance rod and a device main body, wherein the device main body comprises a sampling rod, a sampling rope and a sampling container; the sampling rod is hollow, comprises one or more branch rods and is used for adjusting the sampling depth; the top end of the sampling rod is connected with the balance rod, and the bottom end of the sampling rod is connected with the sampling container; the hand-held part is connected with the balance rod through threads, and the sampling rod is connected with the balance rod through threads; the bottom of the sampling container is a sample inlet and outlet, a piston and a piston handle are arranged in the sampling container, the bottom end of the piston handle is connected with the piston, and the top end of the piston handle is connected with the sampling rope; the sampling rope penetrates through the sampling rod and the balance rod and is used for lifting the piston handle and the piston during sampling; the surface of the balancing rod is provided with a level gauge; the surface of the sampling container is provided with volume scale marks; the outer surface of the bottom of the sampling container is provided with a cutter head, so that slurry can be conveniently inserted for sampling.

2. The mud sampling apparatus of claim 1, wherein: the balance rod is provided with a threaded hole; the branch rod is a cylindrical pipe, the upper end of the branch rod is provided with a bolt, and the lower end of the branch rod is provided with a threaded hole; the branch rods are connected through threads.

3. The mud sampling apparatus of claim 1, wherein: the balance rod is provided with a threaded hole; divide the sleeve pipe of pole for from top to bottom diameter grow gradually, the sleeve pipe top sets up at least one arch, the bottom sets up at least one spacing hole, the size in spacing hole with bellied size corresponds the setting.

4. The mud sampling apparatus of claim 3, wherein: the top of the sleeve connected with the balance rod is provided with a bolt, the bottom of the sleeve is provided with at least one limiting hole, and the top of the sleeve connected with the sampling container is provided with at least one protrusion, and the bottom of the sleeve is provided with a threaded hole.

5. The mud sampling apparatus of claim 1, wherein: the top of the sampling container is a hollow bolt and is connected with a threaded hole at the bottom of the sampling rod; the piston shank is able to enter the hollow bolt when it is raised.

6. The mud sampling apparatus of claim 1, wherein: the surface of the sampling rod is marked with gradually-increased length scale marks from bottom to top and is used for measuring the height of a sample inlet and a sample outlet from the water surface during sampling; the numerical value of bottom scale mark does the sample is imported and exported apart from the initial distance of sampling rod bottom, and the accuracy is the centimeter level.

7. The mud sampling apparatus of claim 1, wherein: a first threaded hole is formed in the middle of the balancing rod, and a second threaded hole and a third threaded hole are symmetrically formed in the two sides of the balancing rod; the handheld portion is connected with the first threaded hole, and the second threaded hole and the third threaded hole are respectively connected with the device main body and used for collecting parallel samples.

8. The mud sampling apparatus of claim 1, wherein: the tool bit is arc sheet structure, and the symmetry sets up.