CN218121484U - Columnar mud sampler capable of sampling in layers - Google Patents

Abstract

The utility model discloses a columnar mud sampler of stratified sampling relates to columnar mud sampler technical field, include the pole and replace the subassembly, pole middle part cover is equipped with the subassembly of replacing that is used for the differentiation impact force, it includes impact block, inner chamber, shell fragment group, conical surface, nut and inclined plane to replace the subassembly, the inner chamber has been seted up to impact block inside, and the impact block passes through inner chamber slidable mounting in the pole outside, the annular fixed mounting of inner chamber bottom middle-end has three shell fragment groups, and the shell fragment group top outside has seted up the conical surface, inner chamber top opening part is provided with the nut, and the nut passes through the interlock of bottom outside screw thread and the inboard screw thread in impact block top mutually. Compared with the existing device, the columnar mud sampler capable of sampling in layers gives a strong impact force to the impact block by replacing different balancing weights, so that the mud sampler can go deep into different depths to complete sampling of water sediments, and the columnar mud sampler is high in applicability.

Description

Columnar mud sampler capable of sampling in layers

Technical Field

The utility model relates to a column adopts mud ware technical field, specifically is a column adopts mud ware of layering sample.

Background

The columnar mud sampler is a device for extracting sediments at the bottom of a water body in a columnar shape, is also called a core sampler, and has the basic principle that a slender mud sampling pipe is vertically inserted into a substrate, and the sediments captured in the pipe are lifted up to sample without falling off, so that the columnar mud sampler is suitable for sampling the sediments of the water body in lakes in cities.

As in application No.: CN202022653746.6, the utility model discloses a novel column mud sampler, include: the device comprises a rod part, a non-return device and a sampling pipe; the non-return device is upward in the positive direction, and the lower part of the non-return device is communicated with the sampling pipe; the sampling pipe is of a transparent tubular structure, and the lower part of the sampling pipe is provided with an opening; the rod part is provided with an upper limit structure and a lower limit structure, and a collision block is sleeved between the upper limit structure and the lower limit structure. The utility model provides a gather the column mud sampler of shallow water earth often directly mention when taking out the operation, and this process needs the technical problem of great power.

The column-shaped dredger similar to the above application has the following disadvantages at present: the depth of sampling is fixed, can't carry out the layering sample to the deposit of the different degree of depth in water bottom, when pulling out the sampling rod, and the column deposit in the mud sampler easily takes place the disturbance and drops even.

In view of the above, a research and improvement is made for the existing structure and defects, and a pillar-shaped mud sampler capable of sampling in layers is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but column mud sampler of layering sample to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: including the pole and replace the subassembly, pole middle part cover is equipped with the subassembly of replacing that is used for the differentiation impact force, it includes kicking block, inner chamber, shell fragment group, conical surface, nut and inclined plane to replace the subassembly, the inside inner chamber of having seted up of kicking block, and the kicking block passes through inner chamber slidable mounting in the pole outside, the annular fixed mounting of inner chamber bottom middle-end has three shell fragment groups, and the shell fragment group top outside has seted up the conical surface, inner chamber top opening part is provided with the nut, and the nut passes through bottom outside screw thread and the interlock of the inboard screw thread in kicking block top mutually, the inclined plane has been seted up to nut bottom inboard, and inclined plane extension line contained angle is less than conical surface extension line contained angle.

Furthermore, the replacing component also comprises a through hole, the middle part of the screw cap is longitudinally penetrated and provided with the through hole, and the bottom of the through hole is communicated with the inner cavity.

Furthermore, a hanging ring is fixedly installed at the tail end of the top of the rod, and a limiting ring is sleeved on the top of the rod.

Furthermore, the middle part of the rod is fixedly provided with a bottom support, and the middle end of the bottom of the rod is provided with a threaded hole.

Furthermore, the bottom of the rod is provided with a sampling pipe, a check valve is arranged in the sampling pipe, and a U-shaped sampling groove with a downward opening is formed in the bottom of the sampling pipe.

Furthermore, sampling pipe top middle-end fixed mounting has the thread pole, and the sampling pipe passes through the thread pole and the screw hole interlock is fixed, sampling pipe top outside fixed mounting has the pot head, and the gomphosis of pot head hole terminal surface installs the sealing washer.

Furthermore, the top of the rod is slidably mounted with a balancing weight, the circumference surface of the balancing weight is provided with a signboard, the bottom of the balancing weight is integrally and fixedly mounted with an insertion tube, and the insertion tube is slidably mounted inside the through hole.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the columnar mud sampler capable of sampling in a layered mode is provided, and the impact block is endowed with stronger impact force by replacing different balancing weights, so that the mud sampler of the scheme can be deeply inserted into different depths to complete sampling of water body sediments.

1. The utility model, through replacing the different balancing weights, gives the impact block a stronger impact force when the impact block impacts the bottom support in the middle of the rod under the action of gravity, so that the mud sampler can penetrate into different depths to complete the sampling of water body sediments;

2. the utility model discloses a setting of check valve, check valve are single by the ball-type check valve of making, open on its inner chamber wall has one or more through-holes, this through-hole is used for the exhaust and drainage when inserting into the aquatic and moving downwards under the sampling pipe, after the sampling pipe emerged the surface of water, the air can get into the check valve from this, can be more laborsaving take out the column earth in the sampling pipe, mould the negative pressure in the sampling pipe through the check valve and make the deposit in the mud sampler not receive excessive disturbance and drop;

3. the utility model discloses a sampling pipe's setting, the sampling pipe is equipped with the U-shaped sampling groove that the opening is down inside to facilitate the sample, sampling pipe realizes through top thread pole with the dismouting of pole bottom screw hole, the sampling pipe layering sampling in batches of being convenient for change different, the setting of pole top pot head and the inside gomphosis sealing washer prevents the screw hole inside into water the corrosion;

drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the counterweight of the present invention.

In the figure: 1. a rod; 2. a hoisting ring; 3. a limiting ring; 4. a bottom support; 5. a threaded hole; 6. a sampling tube; 7. a check valve; 8. a sampling slot; 9. a threaded rod; 10. end sleeves; 11. a seal ring; 12. replacing the component; 1201. an impact block; 1202. an inner cavity; 1203. a spring sheet group; 1204. a conical surface; 1205. a nut; 1206. a bevel; 1207. perforating; 13. a balancing weight; 14. a signboard; 15. and (4) inserting a tube.

Detailed Description

As shown in figure 1, a lifting ring 2 is fixedly installed at the tail end of the top of a rod 1, a limiting ring 3 is sleeved on the top of the rod 1, a bottom support 4 is fixedly installed in the middle of the rod 1, a threaded hole 5 is formed in the middle of the bottom of the rod 1, a sampling pipe 6 is arranged at the bottom of the rod 1, a check valve 7 is arranged inside the sampling pipe 6, the check valve 7 is a one-way ball check valve 7, one or a plurality of through holes are formed in the inner cavity wall of the check valve 7, the through holes are used for exhausting and draining water when the sampling pipe 6 is inserted into water and moves downwards, air can enter the check valve 7 after the sampling pipe 6 is exposed out of the water, the columnar soil in the sampling pipe 6 can be taken out in a labor-saving manner, and negative pressure is formed in the sampling pipe 6 through the check valve 7 so that sediments in the mud sampler cannot be disturbed excessively and fall off, the bottom of the sampling tube 6 is provided with a U-shaped sampling groove 8 with a downward opening, the middle end of the top of the sampling tube 6 is fixedly provided with a thread rod 9, the sampling tube 6 is fixedly occluded with a threaded hole 5 through the thread rod 9, the outer side of the top of the sampling tube 6 is fixedly provided with an end sleeve 10, a sealing ring 11 is embedded in the end surface of an inner hole of the end sleeve 10, the sampling tube 6 is of a transparent tubular structure and can be made of organic glass or transparent plastic, the sampling tube is internally provided with the U-shaped sampling groove 8 with the downward opening so as to facilitate sampling, the sampling tube 6 is assembled and disassembled with the threaded hole 5 at the bottom of the rod 1 through the thread rod 9 at the top so as to facilitate replacement of different sampling tubes 6 for batch layered sampling, the end sleeve 10 at the top of the rod 1 and the sealing ring 11 embedded in the rod are arranged, and water entering corrosion inside the threaded hole 5 is prevented;

as shown in fig. 2-3, the middle of the rod 1 is sleeved with a replacement assembly 12 for differentiating impact force, the replacement assembly 12 includes an impact block 1201, an inner cavity 1202, a spring set 1203, a conical surface 1204, a nut 1205 and an inclined surface 1206, the inner cavity 1202 is formed inside the impact block 1201, the impact block 1201 is slidably mounted outside the rod 1 through the inner cavity 1202, three spring sets 1203 are fixedly mounted annularly at the middle end of the bottom of the inner cavity 1202, the conical surface 1204 is formed outside the top of the spring set 1203, a nut 1205 is arranged at an opening at the top of the inner cavity 1202, the nut 1205 is engaged with an inner thread at the top of the impact block 1201 through an outer thread at the bottom, the inclined surface 1206 is formed inside the bottom of the nut 1205, an included angle of an extension line of the inclined surface 1206 is smaller than an included angle of the extension line of the conical surface 1204, the replacement assembly 12 further includes a through hole 1207, the middle of the nut 1205 is longitudinally penetrated through a through hole 1207, the bottom of the through hole 1207 is communicated with the inner cavity 1202, a balance weight 13 is slidably mounted at the top of the rod 1, and the periphery of the balancing weight 13 is provided with a signboard 14, the bottom of the balancing weight 13 is integrally and fixedly provided with an insertion tube 15, the insertion tube 15 is slidably mounted inside a through hole 1207, the balancing weight 13 with different specifications and masses is selected by the signboard 14, the insertion tube 15 at the bottom of the balancing weight 13 is inserted into the through hole 1207 at the middle part of the nut 1205, the insertion tube 15 is placed inside the annular spring sheet set 1203 through the inner cavity 1202, then a user screws the nut 1205, under the action that the included angle of the extension line of the inner side inclined plane 1206 at the bottom of the nut 1205 is smaller than the included angle of the extension line of the outer side conical plane 1204 at the top of the spring sheet set 1203, in the rotating and descending process of the nut 1205, the spring sheet set 1203 is closed by the extrusion of the inclined plane 1206 to the conical plane 1204, the insertion tube 15 inside is locked, the integrative connection of the balancing weight 13 and the replacement component 12 is realized, by replacing different balancing weights 13, when the impact block 1201 impacts the bottom support 4 at the middle part of the rod 1 under the action of gravity, endows the impact block 1201 with stronger impact force, so that the mud sampler can penetrate into different depths to finish sampling of water body sediments.

The working principle is as follows: when the columnar mud sampler capable of sampling in a layered mode is used, the limiting ring 3 sleeved on the top of the hanging ring 2 is taken down firstly when the balancing weight 13 is installed, the balancing weight 13 with different specifications and qualities is selected through the signboard 14, the insertion tube 15 at the bottom of the balancing weight 13 is inserted into the through hole 1207 in the middle of the nut 1205, the insertion tube 15 is placed into the annular elastic sheet set 1203 after passing through the inner cavity 1202, then a user screws the nut 1205, under the effect that the included angle of the extension line of the inner side inclined plane 1206 at the bottom of the nut 1205 is smaller than that of the extension line of the outer side conical plane 1204 at the top of the elastic sheet set, the insertion tube 15 in the elastic sheet set 1203 is locked by extrusion of the inclined plane 1206 on the conical plane 1204 in the rotating and descending process of the nut 1205, the integrated connection of the balancing weight 13 and the replacing component 12 is achieved, through replacing different balancing weights 13, when the impact block 1201 impacts the bottom base 4 in the middle of the rod 1203 1 under the action of gravity, the impact block 1201 is endowed with stronger impact force, and the impact force on the impact block 1201, so that the mud sampler in the scheme can be deep and sampling of water body sediments at different depths can be completed.

Claims (7)

1. The utility model provides a columnar mud sampler of layering sample, its characterized in that, includes pole (1) and replacement subassembly (12), pole (1) middle part cover is equipped with replacement subassembly (12) that are used for the impact force of differentiation, replacement subassembly (12) are including impact block (1201), inner chamber (1202), shell fragment group (1203), conical surface (1204), nut (1205) and inclined plane (1206), inner chamber (1202) have been seted up to impact block (1201) inside, and impact block (1201) through inner chamber (1202) slidable mounting in pole (1) outside, the annular fixed mounting of inner chamber (1202) bottom middle-end has three shell fragment groups (1203), and shell fragment group (1203) top outside has seted up conical surface (1204), inner chamber (1202) top opening part is provided with nut (1205), and nut (1205) are through the inside thread interlock mutually of bottom outside thread and impact block (1201) top, nut (1205) bottom inboard is seted up inclined plane (1206), and nut (1206) extension line is less than conical surface (1204) extension line contained angle.

2. The columnar sampler with layered sampling as claimed in claim 1, wherein the replacing component (12) further comprises a through hole (1207), the through hole (1207) is longitudinally formed in the middle of the screw cap (1205) in a penetrating manner, and the bottom of the through hole (1207) is communicated with the inner cavity (1202).

3. The columnar mud sampler capable of sampling in layers as claimed in claim 1, wherein the tail end of the top of the rod (1) is fixedly provided with a hanging ring (2), and the top of the rod (1) is sleeved with a limiting ring (3).

4. The columnar mud sampler capable of sampling in layers according to claim 1, wherein a bottom support (4) is fixedly arranged in the middle of the rod (1), and a threaded hole (5) is formed in the middle end of the bottom of the rod (1).

5. The columnar sampler capable of sampling in layers as claimed in claim 1, wherein a sampling pipe (6) is arranged at the bottom of the rod (1), a check valve (7) is arranged inside the sampling pipe (6), and a U-shaped sampling groove (8) with a downward opening is formed at the bottom of the sampling pipe (6).

6. The columnar mud sampler capable of sampling in a layered mode according to claim 5 is characterized in that a thread rod (9) is fixedly installed at the middle end of the top of the sampling pipe (6), the sampling pipe (6) is meshed and fixed with the threaded hole (5) through the thread rod (9), an end sleeve (10) is fixedly installed on the outer side of the top of the sampling pipe (6), and a sealing ring (11) is installed on the end face of an inner hole of the end sleeve (10) in an embedded mode.

7. The columnar sampler capable of layered sampling according to claim 1, wherein a balancing weight (13) is slidably mounted at the top of the rod (1), a signboard (14) is arranged on the circumferential surface of the balancing weight (13), an insertion tube (15) is fixedly mounted at the bottom of the balancing weight (13) in an integrated manner, and the insertion tube (15) is slidably mounted inside the through hole (1207).

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