Sludge sampling device for wetland geological survey

Abstract

The sludge sampling device comprises a sampling head, a fixed pipe is arranged above the sampling head, a protective pipe is connected to the lower end of the fixed pipe in a sleeved mode, connecting blocks are arranged on the two sides of the upper end of the protective pipe, the upper portions of the connecting blocks are fixedly connected with connecting rods, a movable sleeve is connected to the upper end of the fixed pipe in a sleeved mode, and the movable sleeve is fixedly connected with the lower end of the protective pipe. Fixing plates are arranged on the two sides of the upper end of the movable sleeve, a holding rod is arranged at the position, above the movable sleeve, of the fixing pipe, one side of the upper end of the connecting rod penetrates through the fixing plates and the holding rod, the connecting rod is fixedly connected with the fixing plates, and the holding rod is movably connected with the connecting rod; the connecting rod is located between the fixing plate and the holding rod and sleeved with a spring, and feeding grooves are formed in the two sides of the lower end of the fixing pipe. According to the sampling device, sludge at a specified depth can be quickly sampled, mutual influence among sludge in different areas is avoided, and the sampling accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sludge sampling, particularly relates to a sludge sampling device for wetland geological survey. BACKGROUND

[0002] Wetland is the transitional zone between terrestrial ecosystem and aquatic ecosystem, and a lot of wetland aquatic plants grow in the specific environment that soil is soaked in water. Wetland has strong ecological purification effect, and is also known as "the kidney of the earth", some wetland plants can effectively absorb toxic substances in water and purify water quality, so it is necessary to regularly sample and detect wetland sludge to prevent too much pollutant in wetland from causing wetland pollution and damage, and the patent number CN220794688U discloses a sludge sampling device, which comprises a sampling cylinder, a sampling rod and an extension rod, a clamping seat is fixedly arranged on the upper end surface of the sampling cylinder, the sampling rod is arranged above the sampling cylinder, the extension rod is arranged at the upper end of the sampling rod, a plug is fixedly arranged on the lower end surface of the sampling rod, the plug is clamped into the clamping seat, a disc is fixedly arranged at the lower end of the extension rod, and a clamping assembly is arranged on the lower end surface of the disc. The sludge sampling device realizes effective clamping between the sampling rod and the extension rod through the clamping assembly, is simple to operate, saves time and effort, and avoids the problem that the joint falls off due to rotation of the extension rod, but the sampling device cannot effectively collect wetland sludge at different depths, and the collected materials at different depths are prone to mixing, which affects the accuracy of the data of the pollutants in the collected materials and causes deviation in the judgment of the pollutants in the wetland sludge, so that different treatment measures cannot be adopted for different pollutants. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems, the utility model provides a sludge sampling device for wetland geological survey. The utility model solves the problem that the sampling device cannot effectively collect wetland sludge at different depths, the collected materials at different depths are prone to mixing, which affects the accuracy of the data of the pollutants in the collected materials and causes deviation in the judgment of the pollutants in the wetland sludge, so that different treatment measures cannot be adopted for different pollutants.

[0004] The utility model discloses a kind of silt sampling devices for wetland geological survey, including sampling head, fixed pipe is equipped in sampling head upper side, the lower end of the fixed pipe is sleeved with protective tube, both sides of the upper end of the protective tube are equipped with connecting block, connecting rod is fixedly connected above the connecting block, the upper end of the fixed pipe is sleeved with movable sleeve, both sides of the upper end of the movable sleeve are equipped with fixed plate, gripping lever is equipped with in the upper side of the fixed pipe, the side of the upper end of connecting rod is penetrated fixed plate and gripping lever, connecting rod is fixedly connected between fixed plate, gripping lever is movably connected between connecting rod, spring is sleeved between connecting rod between fixed plate and gripping lever, both sides of the lower end of the fixed pipe are equipped with feed groove.

[0005] In the above scheme, the mounting groove is formed in the upper end of the fixed plate away from the movable sleeve, the mounting groove is provided with a limiting plate, and the limiting plate is movably connected to the fixed plate through a pin shaft away from the movable sleeve.

[0006] In the above scheme, the limiting plate is provided with an arc groove matched with the gripping lever away from the movable sleeve.

[0007] In the above scheme, the gripping lever is sleeved with an anti-skid sleeve outside.

[0008] In the above scheme, the sampling head is provided with a cone head below.

[0009] In the above scheme, the sampling head is threadedly connected with the fixed pipe.

[0010] The utility model has the advantages and beneficial effects that the utility model provides a kind of silt sampling devices for wetland geological survey, the upper end of limiting plate is abutted below gripping lever, so that protective tube is positioned outside feed groove, after sampling device is inserted into the position to be sampled, limiting plate is moved to the inside of mounting groove by rotating limiting plate, limiting plate is pulled to fixed plate, fixed plate drives movable sleeve and connecting rod to move in vertical direction, under the driving of connecting rod, protective tube also moves, feed groove leaks from the inside of protective tube, and the silt to be sampled can enter the inside of sampling head through feed groove.The sampling device is simple in structure, convenient to operate, good in protection effect, can quickly sample the silt of specified depth, avoids the mutual influence between silt in different regions, and improves the precision of sampling. BRIEF DESCRIPTION OF DRAWINGS

[0011] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0012] Fig. 1 It is a structure schematic view of the utility model;

[0013] Fig. 2 It is a sectional view of the utility model;

[0014] Fig. 3 It is a structure schematic view of A part of the utility model.

[0015] In the drawing: 1, sampling head 2, fixed tube 3, protective tube 4, connecting block

[0016] 5, connecting rod 6, movable sleeve 7, fixed plate 8, handle bar

[0017] 9, spring 10, installation groove 11, limiting plate 12, feeding slot

[0018] 13, arc groove 14, anti-skid sleeve 15, cone head. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0020] As Figs. 1-3 shown, the utility model is a kind of silt sampling device for wetland geological survey, including sampling head 1, fixed tube 2 is equipped on the upper of sampling head 1, the lower end of fixed tube 2 is sleeved with protective tube 3, protective tube 3 can be vertically moved on the outside of fixed tube 2, the upper end of protective tube 3 both sides is equipped with connecting block 4, connecting block 4 upper is fixedly connected with connecting rod 5, the upper end of fixed tube 2 is sleeved with movable sleeve 6, movable sleeve 6 can be vertically moved on the outside of fixed tube 2, the upper end of movable sleeve 6 both sides is equipped with fixed plate 7, fixed tube 2 is located above movable sleeve 6 and is equipped with handle bar 8, the one side of connecting rod 5 upper end is penetrated fixed plate 7 and handle bar 8, connecting rod 5 is fixedly connected between fixed plate 7, handle bar 8 is movably connected between connecting rod 5, spring 9 is sleeved between connecting rod 5 between fixed plate 7 and handle bar 8, the lower end of fixed tube 2 both sides is equipped with feeding slot 12, when fixed plate 7 is pulled, fixed plate 7 drives movable sleeve 6 and connecting rod 5 to move vertically, under the driving of connecting rod 5, protective tube 3 also moves, feeding slot 12 leaks from the inside of protective tube 3, the silt to be sampled can enter the inside of sampling head 1 through feeding slot 12, when fixed plate 7 is moved, fixed plate 7 extrudes spring 9, after sampling is completed, under the action of spring 9 elasticity, connecting rod 5 and protective tube 3 can be automatically reset.

[0021] The upper end of the fixed plate 7 is provided with a mounting groove 10 away from the movable sleeve 6, the mounting groove 10 is provided with a limiting plate 11, the limiting plate 11 is movably connected with the fixed plate 7 through a pin shaft near the movable sleeve 6, the limiting plate 11 can rotate around the fixed plate 7 through the pin shaft, when the limiting plate 11 is perpendicular to the fixed plate 7, the upper end of the limiting plate 11 abuts below the grip rod 8, through the limiting of the limiting plate 11, the spacing between the fixed plate 7, the movable sleeve 6 and the grip rod 8 is fixed, and the protective tube 3 is located outside the feeding groove 12.

[0022] The limiting plate 11 is provided with an arc groove 13 matched with the grip rod 8 away from the movable sleeve 6, the arc groove 13 is more convenient for the limiting plate 11 to abut the grip rod 8.

[0023] The outer side of the grip rod 8 is sleeved with an anti-skid sleeve 14, the anti-skid sleeve 14 effectively increases the friction between the palm and the grip rod 8.

[0024] The sampling head 1 is provided below with a taper head 15, the taper head 15 is more convenient for the sampling device to be inserted into the sludge.

[0025] The sampling head 1 is threadedly connected with the fixed tube 2, the threaded connection is more convenient for the sampling head 1 and the fixed tube 2 to be disassembled and assembled.

[0026] Specifically, when the sludge is sampled, the limiting plate 11 rotates around the fixed plate 7 through the pin shaft, the limiting plate 11 is rotated to be perpendicular to the fixed plate 7, the upper end of the limiting plate 11 abuts below the grip rod 8, at this time, the protective tube 3 is positioned outside the feeding groove 12, after the sampling device is inserted into the sampling position, the limiting plate 11 is rotated, the limiting plate 11 is moved into the mounting groove 10, the fixed plate 7 is pulled, the fixed plate 7 drives the movable sleeve 6 and the connecting rod 5 to move in the vertical direction, under the driving of the connecting rod 5, the protective tube 3 also moves, the feeding groove 12 leaks from the inside of the protective tube 3, the sludge to be sampled can enter into the inside of the sampling head 1 through the feeding groove 12, after the sampling is completed, under the elastic force of the spring 9, the connecting rod 5 and the protective tube 3 can be automatically reset, so that the phenomenon that the sludge in the non-sampling area enters into the inside of the sampling head 1 can be effectively avoided.

[0027] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for sampling sludge for wetland geological surveys, comprising a sampling head (1), characterized in that, The sampling head (1) is provided with a fixed tube (2) above it, the lower end of the fixed tube (2) is sleeved with a protective tube (3), the upper end of the protective tube (3) is provided with a connecting block (4) on both sides, the connecting block (4) is fixedly connected with a connecting rod (5) above it, the upper end of the fixed tube (2) is sleeved with a movable sleeve (6), the upper end of the movable sleeve (6) is provided with a fixed plate (7) on both sides, the fixed tube (2) above the movable sleeve (6) is provided with a handle (8), the upper end of the connecting rod (5) penetrates through the fixed plate (7) and the handle (8) on one side, the connecting rod (5) is fixedly connected with the fixed plate (7), the handle (8) is movably connected with the connecting rod (5), the connecting rod (5) is sleeved with a spring (9) between the fixed plate (7) and the handle (8), the lower end of the fixed tube (2) is provided with an inlet slot (12) on both sides.

2. The sludge sampling device for wetland geological survey of claim 1, wherein, The upper end of the fixed plate (7) is provided with a mounting groove (10) away from the movable sleeve (6) on one side, the mounting groove (10) is provided with a limiting plate (11) inside, the limiting plate (11) is movably connected with the fixed plate (7) through a pin shaft on the side close to the movable sleeve (6).

3. The sludge sampling device for wetland geological survey of claim 2, wherein, The limiting plate (11) is provided with an arc groove (13) matched with the handle (8) on the side away from the movable sleeve (6).

4. The sludge sampling device for wetland geological survey of claim 1, wherein, The handle (8) is sleeved with an anti-skid sleeve (14) on the outside.

5. The sludge sampling device for wetland geological survey of claim 1, wherein, The sampling head (1) is provided with a taper head (15) below it.

6. The sludge sampling device for wetland geological survey of claim 1, wherein, The sampling head (1) is threadedly connected with the fixed tube (2).

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