CN219142333U

CN219142333U - Sediment sampler

Info

Publication number: CN219142333U
Application number: CN202320115156.9U
Authority: CN
Inventors: 石保忠; 刘英雷; 李国刚; 胡治洲; 肖春桥; 万凯; 李东辉
Original assignee: Qingdao Huanhai Offshore Engineering Survey And Research Institute Co ltd
Current assignee: Qingdao Huanhai Offshore Engineering Survey And Research Institute Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-06-06
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses a sediment sampler, and relates to the technical field of hydrologic equipment. The sediment sampler comprises: the grab bucket comprises a left grab bucket and a right grab bucket which are mutually hinged, and openings of the left grab bucket and the right grab bucket are opposite; the pull rod assembly comprises a left pull rod and a right pull rod which are respectively fixed on the left grab bucket and the right grab bucket; the fixed rod is fixed at the hinge joint of the left grab bucket and the right grab bucket; the top of left grab bucket, right grab bucket all is equipped with the sample connection, is equipped with the screw thread mouth of pipe coaxial with the sample connection on the sample connection, connect the screw cap on the screw thread mouth of pipe. According to the utility model, the sampling port is arranged at the top of the grab bucket, and the structures such as the threaded pipe orifice, the screw cover and the like are matched with the sampling port, so that the sampling operation of sediment layering test samples such as sediment can be finished, and the operation is convenient.

Description

Sediment sampler

Technical Field

The utility model relates to the technical field of hydrologic equipment, in particular to a sediment sampler.

Background

In environmental and water conservancy scientific research, sediment such as underwater sediment and the like is often required to be sampled in the ocean, the lake or the river, and components in the sample are detected; wherein, sediment sampling devices are generally used for sampling.

Currently, grab bucket type sediment samplers are one of the sediment samplers; the grab bucket type sediment sampler generally sends grab buckets to the bottom of a water area by gravity through ropes, after the grab buckets are contacted with sediment, the grab buckets are pushed to gather together to grab sediment, and then the gathered grab buckets are pulled out of the water surface through winches or manually pulled ropes.

In the prior art, sediment at the bottom of the water needs to be subjected to layered inspection sometimes, and sediment such as sediment taken by a traditional grab bucket type sediment sampler is used for unloading samples, and the two grab buckets are opened to discharge the samples completely, so that the layered distribution of the sediment is influenced, and the layered inspection result is influenced.

Therefore, how to solve the technical problems is to design a sediment sampler capable of taking out layered test samples, which is a technical problem to be solved in the technical field of the current hydrologic equipment.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

Aiming at the technical problems, the embodiment of the utility model provides a sediment sampler to solve the problems in the background technology.

The utility model provides the following technical scheme:

a sediment sampler comprising:

the grab bucket comprises a left grab bucket and a right grab bucket which are mutually hinged, and openings of the left grab bucket and the right grab bucket are opposite;

the pull rod assembly comprises a left pull rod and a right pull rod which are respectively fixed on the left grab bucket and the right grab bucket;

the fixed rod is fixed at the hinge joint of the left grab bucket and the right grab bucket;

the top of left grab bucket, right grab bucket all is equipped with the sample connection, is equipped with the screw thread mouth of pipe coaxial with the sample connection on the sample connection, connect the screw cap on the screw thread mouth of pipe.

Preferably, the longitudinal sections of the left grab bucket and the right grab bucket are fan-shaped; the left grab bucket is provided with shaft sleeves I at two sides of the fan-shaped vertex position and close to the middle position, and a gap exists between the two shaft sleeves I; the two sides of the right grab bucket at the top of the fan shape are provided with shaft sleeves II; the shaft sleeves I and II of the left grab bucket and the right grab bucket are inserted into the pin shafts for hinging.

Preferably, the bottom of the fixing rod is fixed on the pin shaft and is positioned at a gap position between the two shaft sleeves I.

Preferably, the top of the left grab bucket and the right grab bucket is provided with a vent hole.

Preferably, the balancing weights are arranged on two sides of the left grab bucket and the right grab bucket.

Preferably, the left grab bucket and the right grab bucket are provided with positioning components for keeping the left grab bucket and the right grab bucket to maintain a fixed opening and closing angle.

Preferably, the positioning assembly comprises a positioning seat I, a positioning seat II and a positioning plate;

the positioning seat I is fixed at the top of the left grab bucket and is provided with a shaft hole;

the positioning seat II is fixed at the top of the right grab bucket and is provided with a positioning shaft;

one end of the positioning plate is provided with a rotating shaft, and the other end of the positioning plate is provided with a clamping groove with an upward opening;

the rotating shaft is rotatably arranged on the shaft hole of the positioning seat I, and the clamping groove can be clamped on the positioning shaft of the positioning seat II.

The sediment sampler provided by the embodiment of the utility model has the following beneficial effects: according to the utility model, the sampling port is arranged at the top of the grab bucket, and the structures such as the threaded pipe orifice, the screw cover and the like are matched with the sampling port, so that the sampling operation of sediment layering test samples such as sediment can be finished, and the operation is convenient.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in an open state at an angle I;

FIG. 2 is a schematic view of the structure of the second opening angle of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model in a closed state at an angle I;

FIG. 4 is a schematic view of the structure of the second closed state angle of the present utility model;

FIG. 5 is a view showing the effect of the utility model after the screw cap is opened;

FIG. 6 is a schematic view of the left grab of the present utility model;

FIG. 7 is a schematic view of the right grab bucket according to the present utility model;

FIG. 8 is a schematic view of the connection of the pin shaft and the fixed rod in the present utility model;

FIG. 9 is a schematic view of a positioning plate according to the present utility model;

FIG. 10 is an enlarged view of a portion of FIG. 6A in accordance with the present utility model;

fig. 11 is a partial enlarged view of B in fig. 7 according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of the present utility model.

See fig. 1-11.

Aiming at the problems mentioned in the background art, the embodiment of the utility model provides a sediment sampler to solve the technical problems, and the technical scheme is as follows:

a sediment sampler comprising:

the grab bucket comprises a left grab bucket 110 and a right grab bucket 120 which are mutually hinged, and the openings of the left grab bucket 110 and the right grab bucket 120 are opposite; the left grab 110 and the right grab 120 can be opened or closed;

the pull rod assembly comprises a left pull rod 141 and a right pull rod 142 which are respectively welded on the left grab bucket 110 and the right grab bucket 120;

in this embodiment, the left grab 110 and the right grab 120 have the same structure and are L-shaped;

the left pull ring 141a and the right pull rod 142a are welded at the ends of the left pull rod 141 and the right pull rod 142 respectively; the left pull ring 141a and the right pull rod 142a are used for connecting a traction rope;

a fixing rod 150 fixed to the hinge of the left and

right grapples

110 and 120; a lifting lug 151 is welded at the end part of the fixed rod 150, and the lifting lug 151 is used for connecting a lifting rope;

the top of the left grab bucket 110 and the top of the right grab bucket 120 are respectively provided with a sampling port 171, the sampling port 171 is provided with a threaded pipe orifice 172 coaxial with the sampling port 171, and the threaded pipe orifice 172 is connected with a screw cap 180;

in this embodiment, the threaded orifice 172 is a section of cylindrical threaded pipe, on which external threads are provided; the screw cap 180 is a cap, and an inner circumferential wall of the cap is provided with an internal thread adapted to the external thread.

After the sediment sampler finishes sampling and hangs out the water surface, the screw cap 180 can be taken down from the threaded pipe orifice 172, and then the sediment sample such as sediment with a layered structure is vertically inserted into the sampling port 171 through the sampler such as a test tube, a cylindrical pipe and the like and taken out.

In this embodiment, the longitudinal sections of the left grab 110 and the right grab 120 are fan-shaped; the left grab bucket 110 is welded with a shaft sleeve I111 at two sides of the fan-shaped vertex position and close to the middle position, and a gap exists between the two shaft sleeves I111; the right grab bucket 120 is welded with a shaft sleeve II 121 at two sides of the fan-shaped vertex position; the pin shaft 152 is inserted into the shaft sleeves I111 and II 121 of the left grab bucket 110 and the right grab bucket 120 for hinging.

In this embodiment, the bottom of the fixing rod 150 is welded to the pin 152, and the welding position is located at a gap position between the two shaft sleeves i 111.

It should be noted that, the shaft sleeve i 111 of the left grab bucket 110 and the shaft sleeve ii 121 of the right grab bucket 120 are in staggered fit with each other, so that the left grab bucket 110 and the right grab bucket 120 are conveniently hinged on the pin shaft 152; and the two shaft sleeves I111 of the left grab bucket 110 are separated by a gap, so that the pin shaft 152 can fix the fixing rod 150 at the gap position.

In this embodiment, the top of the left grab bucket 110 and the right grab bucket 120 is provided with a vent hole 160; through setting up the air vent 160, sediment sampler can follow the air vent 160 discharge at the in-process bubble of sinking, and the sediment sampler of being convenient for sinks.

In this embodiment, the balancing weights 130 are disposed on two sides of the left grab bucket 110 and the right grab bucket 120; the weight 130 can increase the weight of the sediment sampler, facilitating its sinking into the water.

In this embodiment, the left grab bucket 110 and the right grab bucket 120 are provided with positioning components for maintaining a fixed opening and closing angle; in the sinking process of the sediment sampler, the positioning assembly can ensure that the left grab bucket 110 and the right grab bucket 120 are always kept in a separated state, so that the sediment sampler is not closed in the sinking process, and normal sampling is ensured.

In this embodiment, the positioning assembly includes a positioning seat I193, a positioning seat II 194 and a positioning plate 190;

the positioning seat I193 is welded on the top of the left grab bucket 110 and is provided with a shaft hole;

the positioning seat II 194 is welded on the top of the right grab bucket 120, and is provided with a positioning shaft 195;

one end of the positioning plate 190 is provided with a rotating shaft 192, and the other end is provided with a clamping groove 191 with an upward opening;

the rotating shaft 192 is rotatably arranged on the shaft hole of the positioning seat I193, so that the rotating shaft 192 can rotate up and down relative to the positioning seat I193; when the opening and closing angles of the left grab 110 and the right grab 120 are required to be fixed, the clamping groove 191 of the positioning plate 190 is clamped on the positioning shaft 195 of the positioning seat II 194.

It should be noted that, in this embodiment, the positioning assembly is opened as follows:

1. when the sediment sampler sinks into the water, the sediment sampler slightly collides with the river bed under the action of gravity at the moment of sinking into the water, the clamping groove 191 is upwards clamped on the positioning shaft 195, and at the moment of collision, the connection position of the clamping groove 191 and the positioning shaft 195 is loosened, so that the clamping groove 191 falls from the positioning shaft 195;

2. if the impact in the above step 1 does not cause the clamping groove 191 to fall from the positioning shaft 195, the left grab 110 and the right grab 120 need to pull the hauling rope to control the left pull ring 141a and the right pull rod 142a to relatively displace in the process of gathering, closing and sampling, so that the left grab 110 and the right grab 120 gather close, and the clamping groove 191 is completely separated from the positioning shaft 195 due to the pulling force in the pulling process of the left pull ring 141a and the right pull rod 142a, so that the positioning assembly is opened.

The application method of the sediment sampler provided by the embodiment of the utility model comprises the following steps:

1. a lifting rope is connected to the lifting lug 151 of the fixed rod 150; the left pull ring 141a and the right pull ring 142a of the left pull rod 141 and the right pull rod 142 are respectively connected with a traction rope, and the traction ropes are tightened to separate the left grab bucket 110 from the right grab bucket 120;

2. sinking the sediment sampler to the water bottom by controlling the lowering length of the lifting rope;

3. pulling the traction rope to control the left pull ring 141a and the right pull rod 142a to relatively displace, so that the left grab bucket 110 and the right grab bucket 120 are gathered and closed to perform sediment sampling operations such as sediment;

4. after sampling is finished, controlling the lifting rope to wind up, and lifting the sediment sampler out of the water surface;

5. the screw cap 180 is removed from the screw nozzle 172, and then is vertically inserted into the sampling port 171 by a sampler such as a test tube, a column tube, etc., and the sediment sample such as sediment of a layered structure is taken out, thereby completing the sampling operation of the sediment layered inspection sample such as sediment.

The sediment sampler provided by the novel embodiment has the following beneficial effects: according to the utility model, the sampling port is arranged at the top of the grab bucket, and the structures such as the threaded pipe orifice, the screw cover and the like are matched with the sampling port, so that the sampling operation of sediment layering test samples such as sediment can be finished, and the operation is convenient.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may or may not be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present teachings and concepts, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the accompanying claims.

Claims

1. A sediment sampler, comprising:

2. The sediment sampler of claim 1, wherein the longitudinal sections of the left grab bucket and the right grab bucket are fan-shaped; the left grab bucket is provided with shaft sleeves I at two sides of the fan-shaped vertex position and close to the middle position, and a gap exists between the two shaft sleeves I; the two sides of the right grab bucket at the top of the fan shape are provided with shaft sleeves II; the shaft sleeves I and II of the left grab bucket and the right grab bucket are inserted into the pin shafts for hinging.

3. The sediment sampler of claim 2, wherein the bottom of the fixed rod is fixed on the pin shaft and is positioned in a gap between the two shaft sleeves i.

4. The sediment sampler of claim 1, wherein the tops of the left grab bucket and the right grab bucket are provided with vent holes.

5. The sediment sampler of claim 1, wherein the left grab bucket and the right grab bucket are provided with balancing weights on two sides.

6. The sediment sampler of claim 1, wherein the left grab bucket and the right grab bucket are provided with positioning components for maintaining a fixed opening and closing angle.

7. The sediment sampler of claim 6, wherein the positioning assembly comprises a positioning seat I, a positioning seat II and a positioning plate;