Labor-saving silt sampling device for water and soil conservation monitoring

Abstract

The utility model provides a laborsaving silt sampling device for water and soil conservation monitoring, which comprises a casing, a motor, a screw rod and a sampling cylinder, the motor is fixedly mounted in the casing, the output end of the motor rotatably extends out of one end of the casing and is fixedly connected with one end of the screw rod, and the other end of the screw rod is fixedly connected with the sampling cylinder. A piston head is detachably, coaxially and fixedly mounted at the other end of the screw rod, a sliding seat is coaxially mounted on the screw rod in a meshing manner, the sampling cylinder is coaxially arranged outside the screw rod and the piston head in a sleeving manner, the sampling cylinder is rotatably and relatively slidably connected with the screw rod and the piston head, and one end of the sampling cylinder is detachably and fixedly connected with one end of the sliding seat; due to the integral arrangement, the sediment sampler can be automatically drilled into sediment for sampling, so that the workload of operators is reduced, and the sediment sampler is more convenient and efficient; meanwhile, water can be prevented from entering the sampling barrel before sampling, so that the sampling quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of water and soil conservation monitoring, especially relates to a labor-saving soil and water conservation monitoring silt sampling device. BACKGROUND

[0002] The silt sampling device for water and soil conservation monitoring is used for collecting silt samples in rivers, lakes, reservoirs and other water bodies, so as to determine parameters such as sediment concentration, sediment transport rate and silt particle size distribution. This kind of device needs to meet the requirements of disturbing the natural water flow as little as possible during sampling, and being able to obtain representative samples.

[0003] After retrieval, such as China patent No. CN217930914U discloses a silt sampling device for water and soil conservation monitoring, which comprises a handle, a scale line, a connecting pipe, a foot pedal, a sampling cylinder, a push rod, a push plate, a level and a horizontal floating ball. The upper end of the sampling cylinder is provided with the foot pedal, the upper end of the foot pedal is provided with the connecting pipe, the inside of the connecting pipe is provided with the push rod, the bottom end of the push rod and inside the sampling cylinder are provided with the push plate, the level is embeddedly installed at the top end position of the push rod of the silt sampling device, the inside of the level is provided with the horizontal floating ball and oil, so that the horizontal floating ball can move freely inside the oil. When the silt sampling device is tilted during sampling, the horizontal floating ball will move to the edge position, thereby reminding the sampling personnel that the silt sampling device is tilted, so that the silt sampling device can be righted, which can improve the sampling accuracy to some extent, so that the sampled silt samples can more accurately show the water and soil silt situation.

[0004] However, the above-mentioned silt sampling device for water and soil conservation monitoring completely needs manual force to drill into the silt during sampling, which affects the sampling efficiency due to physical exertion when sampling multiple times. At the same time, water is easy to enter the sampling cylinder during sampling, which occupies the sampling volume of the sampling cylinder, thereby affecting sampling.

[0005] Therefore, it is very necessary to invent a labor-saving silt sampling device for water and soil conservation monitoring. Utility model content

[0006] In order to solve the above technical problems, the utility model provides a labor -saving formula soil and water conservation monitoring is with sediment sampling device adopts technical scheme for: a labor -saving formula soil and water conservation monitoring is with sediment sampling device, including casing, motor, screw rod and sampling cylinder, wherein: motor fixed mounting in casing, the output end of motor rotates and protrudes from one end of casing and is fixedly connected with one end of screw rod, the other end of screw rod is detachable coaxially fixed mounting has piston head, the coaxial mesh is installed with slide on screw rod; Sampling cylinder is coaxially sleeved in the outside of screw rod and piston head, the sampling cylinder is rotatably and relatively slidingly connected with screw rod and piston head, one end of sampling cylinder is detachably fixedly connected with one end of slide;

[0007] The other end of casing is fixedly installed with holding mechanism;

[0008] The length of sampling cylinder plus the length of slide is equal to the length of screw rod plus the length of piston head;

[0009] The piston head is in contact with the inner surface of the sampling cylinder.

[0010] The diameter of the piston head is greater than the diameter of the screw rod.

[0011] The controller of the motor and the battery are fixedly installed in the casing, and the forward and reverse switch of the motor is arranged outside the casing.

[0012] The end of the casing towards the screw rod is detachably fixedly installed with a protective cylinder, the protective cylinder is coaxially sleeved outside the sampling cylinder, and the protective cylinder is rotatably and relatively slidingly connected with the slide.

[0013] A drainage notch is formed in one side of the protective cylinder, and the drainage notch is in communication with the inside of the protective cylinder.

[0014] At least one drainage hole is formed in the circumferential surface of the upper part of the sampling cylinder, the drainage hole is in communication with the inside of the sampling cylinder, and a drill bit is arranged in the opening of the bottom of the sampling cylinder.

[0015] The holding mechanism comprises a handle column, a handle and a level, one end of the handle column is coaxially fixedly connected with one end of the casing, the other end of the handle column is fixedly connected with the handle, and the level is fixedly installed on the handle.

[0016] The output end of the motor is fixedly connected with one end of the screw rod through a shaft coupling.

[0017] A spiral guide rail groove is formed in the inner surface of the protective cylinder, and the protective cylinder is meshed with the slide through the spiral guide rail groove.

[0018] Rolling balls corresponding to the spiral guide rail groove are rotatably installed on the outer surface of the slide, the rolling balls are in the spiral guide rail groove and rolling contact between the spiral guide rail groove.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] The whole setting, in the sampling process, can make the sampling cylinder automatically enter the silt for sampling, during which only the operator needs to ensure the perpendicularity of the whole and slightly exert the downward force, so that not only the workload of the operator can be reduced, but also the sampling is more rapid, convenient and efficient;

[0021] Before sampling, the opening of the sampling cylinder can be plugged by the piston head, so as to avoid water from entering the sampling cylinder and occupying the volume inside the sampling cylinder, thereby ensuring the accuracy of sampling. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model.

[0023] Figure 2 It is the local section structure schematic diagram of the protective cylinder of the utility model.

[0024] Figure 3 It is the local section structure schematic diagram of the protective cylinder and the sampling cylinder of the utility model.

[0025] Figure 4 It is the local section structure schematic diagram of the protective cylinder, the sampling cylinder and the casing of the utility model.

[0026] Figure 5 It is the local enlarged structure schematic diagram of A of the utility model.

[0027] Figure 6 It is the structure schematic diagram of the sliding seat and the protective cylinder of the utility model.

[0028] Figure 7 It is the local enlarged structure schematic diagram of B of the utility model.

[0029] In the drawing:

[0030] Casing 1, motor 2, shaft coupling 3, screw rod 4, piston head 5, sliding seat 6, ball 61, sampling cylinder 7, protective cylinder 8, spiral guide rail groove 81, drain hole 9, handle column 10, handle 11, level 12, controller 13, storage battery 14, drain groove 15, forward and reverse switch 16. DETAILED DESCRIPTION

[0031] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0032] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The present application will be further described below in conjunction with the drawings: Embodiments

[0034] Reference Figures 1-7 A labor-saving type sediment sampling device for soil and water conservation monitoring, comprising a casing 1, a motor 2, a lead screw 4 and a sampling cylinder 7, wherein: the motor 2 is fixedly installed in the casing 1, so as to protect the motor 2 through the casing 1, the output end of the motor 2 is rotatably extended from one end of the casing 1 and fixedly connected with one end of the lead screw 4, so as to drive the lead screw 4 to reverse through the motor 2, the other end of the lead screw 4 is detachably coaxially fixedly installed with a piston head 5, so as to block the opening of the sampling cylinder 7 through the piston head 5 before sampling, prevent water from entering the sampling cylinder 7, and facilitate pushing out the sample in the sampling cylinder 7 later, a sliding seat 6 is coaxially meshed and installed on the lead screw 4, so as to move up and down along the lead screw 4 under the drive of the lead screw 4, the sampling cylinder 7 is coaxially sleeved outside the lead screw 4 and the piston head 5, the sampling cylinder 7 is rotatably and relatively slidably connected with the lead screw 4 and the piston head 5, one end of the sampling cylinder 7 is detachably fixedly connected with one end of the sliding seat 6, so as to move up and down along the lead screw 4 with the sliding seat 6;

[0035] In the embodiment, the other end of the casing 1 is fixedly provided with a holding mechanism, so as to facilitate the operator to ensure the stability and verticality during the whole sampling process.

[0036] In the embodiment, the piston head 5 is in contact sealing sliding connection with the inner surface of the sampling cylinder 7, so as to block the opening of the sampling cylinder 7 by the piston head 5 before sampling, prevent water from entering the sampling cylinder 7, and clean the inner surface of the sampling cylinder 7 during the process of pushing the sample in the sampling cylinder 7 out.

[0037] The length of the sampling cylinder 7 plus the length of the sliding seat 6 is equal to the length of the lead screw 4 plus the length of the piston head 5; the diameter of the piston head 5 is greater than the diameter of the lead screw 4.

[0038] In the embodiment, the controller 13 of the motor 2 and the storage battery 14 are fixedly installed inside the casing 1, the forward and reverse switch 16 of the motor 2 and the charging hole of the storage battery 14 are arranged outside the casing 1, and the controller adopts the prior art, such as a single-chip microcomputer, but is not limited to this kind of controller.

[0039] In the embodiment, the end of the casing 1 towards the lead screw 4 is detachably fixedly provided with a protection cylinder 8, the protection cylinder 8 is coaxially sleeved outside the sampling cylinder 7, so as to protect the lead screw 4 by the protection cylinder 8, avoid the lead screw 4 from contacting the human body during rotation, the sampling cylinder 7 and the protection cylinder 8 are in rotating and relatively sliding connection, the diameter of the sampling cylinder 7 is smaller than the inner diameter of the protection cylinder 8, and the protection cylinder 8 and the sliding seat 6 are in rotating and relatively sliding connection.

[0040] In the embodiment, the protection cylinder 8 is provided with a drainage slot 15 on one side, the drainage slot 15 is in communication with the inside of the protection cylinder 8, so as to drain the water in the protection cylinder 8 through the drainage slot 15.

[0041] In the embodiment, at least one drainage hole 9 is arranged on the circumferential surface of the upper part of the sampling cylinder 7, the drainage hole 9 is in communication with the inside of the sampling cylinder 7, so as to drain the water in the sampling cylinder 7 into the protection cylinder 8 through the drainage hole 9, and the bottom opening of the sampling cylinder 7 is provided with a drill bit, so as to drill into the silt better.

[0042] In the embodiment, the holding mechanism comprises a handle column 10, a handle 11 and a level 12, one end of the handle column 10 is fixedly connected with one end of the casing 1 in a coaxial manner, the other end of the handle column 10 is fixedly connected with the handle 11, the handle column 10 can generate a certain space between the handle 11 and the casing 1, so as to facilitate the operator to hold the handle 11, and the handle 11 is fixedly provided with the level 12, such as a bubble level, so as to ensure the verticality during sampling.

[0043] In this embodiment, the output end of the motor 2 is fixedly connected with one end of the screw rod 4 through the shaft coupling 3, so that the screw rod 4 can be replaced.

[0044] In this embodiment, the inner surface of the protective cylinder 8 is provided with a spiral guide groove 81, and the protective cylinder 8 is connected with the sliding seat 6 through the spiral guide groove 81; the outer surface of the sliding seat 6 is rotatably provided with a ball 61 corresponding to the spiral guide groove 81, and the ball 61 is located in the spiral guide groove 81 and is in rolling contact with the spiral guide groove 81; through the spiral guide groove 81 and the ball 61, the sliding seat 6 can be prevented from slipping during the driving of the sliding seat 6 by the screw rod 4.

[0045] Specifically, during sampling, the screw rod 4 is driven to reverse by the motor 2, so that the sampling cylinder 7 moves along the screw rod 4 to one side of the casing 1 until the piston head 5 is flush with the opening of the sampling cylinder 7, at which time the sediment sampling can be performed, the opening of the protective cylinder 8 and the sampling cylinder 7 is in contact with the sediment, and the verticality of the whole is ensured by the level 12; due to the arrangement of the piston head 5, water can be prevented from directly entering the sampling cylinder 7.

[0046] Then the screw rod 4 is driven to rotate forward by the motor 2, so that the sampling cylinder 7 is moved out of the protective cylinder 8 and drills into the sediment, at which time the piston head 5 is away from the opening of the sampling cylinder 7 and generates a required sampling space, and the sediment enters the sampling cylinder 7 during the downward movement of the sampling cylinder 7; when the piston head 5 exceeds the drain hole 9, the water carried by the sediment in the sampling cylinder 7 is drained into the protective cylinder 8 through the drain hole 9, so as to reduce the occupation of the internal volume of the sampling cylinder 7 by water, and the water drained into the protective cylinder 8 can be drained from the drain groove 15; after the required sediment is taken, the motor 2 is stopped and pulled out.

[0047] When the sample in the sampling cylinder 7 needs to be taken out, the screw rod 4 is driven to reverse, so that the sampling cylinder 7 moves along the screw rod 4 to one side of the casing 1, and the sample in the sampling cylinder 7 is pushed out by the piston head 5 until the piston head 5 is flush with the opening of the sampling cylinder 7.

[0048] The technical scheme disclosed in the utility model, or the similar technical scheme designed by the person skilled in the art under the inspiration of the technical scheme of the utility model, and achieving the above technical effects, all fall within the protection scope of the utility model.

Claims

1. A labor-saving sediment sampling device for soil and water conservation monitoring, characterized in that: Including casing (1), motor (2), screw rod (4) and sampling cylinder (7), wherein: the motor (2) is fixedly installed in the casing (1), the output end of the motor (2) is rotatably extended from one end of the casing (1) and is fixedly connected with one end of the screw rod (4), the other end of the screw rod (4) is fixedly installed with the piston head (5), the screw rod (4) is engagedly installed with the sliding seat (6); the sampling cylinder (7) is sleeved outside the screw rod (4) and the piston head (5), the sampling cylinder (7) is rotatably and relatively slidably connected between the screw rod (4) and the piston head (5), one end of the sampling cylinder (7) is fixedly connected with one end of the sliding seat (6); The other end of the casing (1) is fixedly installed with a holding mechanism; The piston head (5) is in contact sealing sliding connection with the inner surface of the sampling cylinder (7); At least one drainage hole (9) is formed in the circumferential surface of the upper part of the sampling cylinder (7), the drainage hole (9) is in communication with the inside of the sampling cylinder (7), and the bottom opening of the sampling cylinder (7) is provided with a drill bit tooth.

2. The labor-saving sediment sampling device for soil and water conservation monitoring according to claim 1, characterized in that: The controller (13) of the motor (2) and the battery (14) are fixedly installed inside the casing (1), and the forward and reverse switch (16) of the motor (2) is arranged outside the casing (1).

3. The labor-saving sediment sampling device for soil and water conservation monitoring according to claim 1, characterized in that: The end of the casing (1) towards the screw rod (4) is fixedly installed with a protective cylinder (8), the protective cylinder (8) is sleeved outside the sampling cylinder (7), and the protective cylinder (8) is rotatably and relatively slidably connected with the sliding seat (6).

4. The labor-saving sediment sampling device for soil and water conservation monitoring according to claim 3, characterized in that: A drainage notch (15) is formed in one side of the protective cylinder (8), and the drainage notch (15) is in communication with the inside of the protective cylinder (8).

5. The labor-saving sediment sampling device for soil and water conservation monitoring of claim 1, wherein: The holding mechanism comprises a handle column (10), a handle (11) and a level (12), one end of the handle column (10) is fixedly connected with one end of the casing (1), the other end of the handle column (10) is fixedly connected with the handle (11), and the handle (11) is fixedly installed with the level (12).

6. The labor-saving sediment sampling device for soil and water conservation monitoring of claim 1, wherein: The output end of the motor (2) is fixedly connected with one end of the screw rod (4) through a shaft coupling (3).

7. The labor-saving sediment sampling device for soil and water conservation monitoring of claim 3, wherein: A spiral guide rail groove (81) is formed in the inner surface of the protective cylinder (8), and the protective cylinder (8) is engagedly connected with the sliding seat (6) through the spiral guide rail groove (81).

8. The labor-saving sediment sampling device for soil and water conservation monitoring according to claim 7, characterized in that: A ball (61) corresponding to the spiral guide rail groove (81) is rotatably installed on the outer surface of the sliding seat (6), the ball (61) is in the spiral guide rail groove (81) and rolls in contact with the spiral guide rail groove (81).

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