CN210154853U

CN210154853U - Mud sampler

Info

Publication number: CN210154853U
Application number: CN201920834140.7U
Authority: CN
Inventors: 郑冬梅; 凌忠
Original assignee: Beijing Rongtai Environmental Technology Co ltd
Current assignee: Beijing Rongtai Environmental Technology Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-03-17
Anticipated expiration: 2029-06-04

Abstract

The utility model provides a take mud sampler of magnetic hammer, it includes the closing cap, goes up sleeve, connection lid, lower sleeve, sampling head, magnetic hammer, pull rod and sampling tube, the closing cap sets gradually and detachably fixed connection with last sleeve, connection lid, lower sleeve, sampling head, the magnetic hammer sets up in the upper sleeve, pass pull rod slidable the hole of closing cap with magnetic hammer fixed connection, set up the sampling tube in the lower sleeve, lower telescopic first end with sampling tube detachably fixed connection. The utility model provides a take mud sampler of magnetic hammer can gather submarine bed mud and the bottom deeper bed mud in the deep water territory, is particularly suitable for the regional research sample collection of deep water and portable.

Description

Mud sampler

Technical Field

The utility model belongs to the technical field of environmental monitoring and research, improvement, concretely relates to take mud sampler of magnetic hammer.

Background

In the process of environmental monitoring, research and treatment, the sediments in lakes and seabed areas need to be monitored, the chemical components of the sediments in all levels and the vertical distribution of benthic organisms in the sediments are researched, and a gravity columnar mud sampler needs to be used for columnar collection, so that the natural levels of the sediments are not disturbed. Traditional gravity column mud sampler relies on the weight of self to come the mud sampler to directly insert the sediment into, because the restriction of mud sampler self weight, the degree of depth that can gather is limited, can only gather the deposit of shallow layer, and traditional gravity mud sampler is too heavy moreover, places on the ship and can produce the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to solving the above-described problems. An object of the utility model is to provide a adopt mud ware of taking magnetic hammer who solves any one in above problem. Specifically, the utility model provides a can gather the submarine bed mud in the deep water territory and the submarine deeper bed mud, the research sample collection and portable's of being particularly suitable for the deep water territory take the mud sampler of magnetic hammer.

In order to solve the technical problem, an object of the utility model is to provide a take mud sampler of magnetic hammer, mud sampler includes the closing cap, goes up sleeve, connection lid, lower sleeve, sampling head, magnetic hammer, pull rod and sampling tube, the closing cap sets gradually and detachably fixed connection with last sleeve, connection lid, lower sleeve, sampling head, the magnetic hammer sets up in the upper sleeve, pull rod slidable ground passes the hole of closing cap with magnetic hammer fixed connection, set up the sampling tube in the lower sleeve, lower telescopic first end with sampling tube detachably fixed connection.

Wherein, above-mentioned mud sampler of taking magnetic hammer can also have following characteristics:

the sampling head comprises a plurality of guide vane structures, the guide vane structures are in contact distribution along the periphery of the second end of the sampling head, and the first end of the sampling head is detachably and fixedly connected with the second end of the lower sleeve; the guide vane structure is rotatably connected with the second end of the sampling head, the rotating angle is a preset angle, when the second end of the sampling head is arranged below, a closed surface is formed between the guide vane structures, and the preset angle is 0-90 degrees.

any one of the guide vane structures comprises a first vane and a second vane, and the first vane and the second vane are mutually matched and contacted; the one end of second blade is equipped with second joint portion, the guide vane structure respectively through first joint portion with second joint portion with the rotatable connection of second end of sampling head, wherein, works as when sampling head second end is in the below, mutually support between the main part of first blade and the main part of second blade and form the closing surface.

the first joint portion is the communicating through-hole with the side of first blade, the second joint portion is the communicating through-hole with the side of second blade, wherein, first joint portion with second joint portion size is the same.

the ratio of the radius of the sampling head to the length of the first blade is 1: 0.8 to 1.1; the length of the first blade is greater than the length of the second blade, wherein h 1: h2 ═ 1: 0.6 to 0.8.

the ratio of the radius of the sampling tube to the length of the guide vane structure is 1: 1.1 to 1.3.

a first chest expander and a second chest expander are respectively arranged on two sides of the seal cover; and the first chest expander and the second chest expander simultaneously apply pulling force to the mud sampler so that the mud sampler moves along the vertical direction.

a tension device is arranged on the pull rod; the tension device is arranged at the first end of the pull rod, and the second end of the pull rod is fixedly connected with the magnetic hammer.

the mud sampler further comprises a mud pushing rod, a pressing plate is arranged at the lower end of the mud pushing rod, a plurality of measuring holes are vertically formed in the outer side surface of the mud pushing rod, and the circumference of the pressing plate is equal to the inner circumference of the sampling tube.

The utility model discloses a take mud sampler of magnetic hammer adopts detachable fixed connection, portable, when carrying out the lightweight to the mud sampler, can form the impact force to the mud sampler through the reciprocating motion of magnetic hammer, realize that the mud sampler can be smooth to get into the operation in the deep sea waters, gather submarine bed mud and the bottom mud of the bottom deeper layer in the deep sea; can form the closing surface that has the bearing function through the one end of sampling head, realize after the collection is accomplished with the complete sealing up of bed mud sample in the sampling tube, realized carrying out the reading to the height on each layer of bed mud sample when taking out the bed mud sample simultaneously to work efficiency has been improved.

Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 schematically shows a schematic structural view of an embodiment of a mud sampler with a magnetic hammer according to the present invention;

FIG. 2 is a schematic view of the structure of the mud pushing rod arranged in the sampling tube;

FIG. 3 is a schematic structural diagram of a sampling head;

FIG. 4 is a schematic structural diagram of a guide vane structure;

fig. 5 is a schematic structural view of a first blade and a second blade of a guide vane structure.

The attached drawings are as follows: 1. sealing the cover; 11. a first chest expander; 12. a second chest expander; 2. an upper sleeve; 3. a connecting cover; 4. a lower sleeve; 41. calibration; 42. an observation hole; 5. a sampling head; 51. a guide vane structure; 511. a first blade; 512. a second blade; 513. a first clamping part; 514. a second clamping part; 6. a magnetic hammer; 61. a groove; 7. a pull rod; 71. a tension device; 8. a sampling tube; 9. a mud pushing rod; 91. pressing a plate; 92. and (6) measuring the hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The utility model discloses a take mud sampler of magnetic hammer drives the design of taking magnetic hammer reciprocating motion of magnetism to constantly exert the impact force to the mud sampler through the pull rod for the mud sampler can gather submarine bed mud and the bottom more deep bed mud in the deep water territory, is particularly suitable for the regional research sample collection of deep water.

The following describes in detail a mud sampler with a magnetic hammer according to the present invention with reference to the accompanying drawings.

Fig. 1 shows a schematic structural diagram of an embodiment of the mud sampler with the magnetic hammer. Referring to fig. 1, the mud sampler comprises a sealing cover 1, an upper sleeve 2, a connecting cover 3, a lower sleeve 4, a sampling head 5, a magnetic hammer 6, a pull rod 7 and a sampling tube 8. for carrying, each component of the mud sampler of the utility model can be designed into a detachable connection mode, such as a threaded connection, and can be used by fixedly connecting each component in a threaded manner when in use, specifically, the sealing cover 1 and the upper sleeve 2, the connecting cover 3, the lower sleeve 4 and the sampling head 5 are sequentially arranged and detachably fixedly connected, the magnetic hammer 6 is arranged in the upper sleeve 2, the pull rod 7 slidably passes through a hole of the sealing cover 1 to be fixedly connected with the magnetic hammer 6, the sampling tube 8 is arranged in the lower sleeve, and the first end of the lower sleeve 4 is detachably fixedly connected with the sampling tube 8,

as shown in fig. 1, in the above embodiment, the cover 1 is provided with a first tension device 11 and a second tension device 12 on both sides thereof, and the first tension device 11 and the second tension device 12 may be circular pull rings, when the dredger is used for sampling in a deeper water area, it is necessary to first sink the dredger to the bottom of the water, the dredger is sufficiently sunk to the bottom of the water by using its own weight, or the weight of the dredger and a weight block provided on the dredger, and in order to make the dredger move downward in a direction perpendicular to the bottom of the water during sinking, a wire or other firm pull rope may be used to be tied to the first tension device 11 and the second tension device 12, respectively, under the force acting on the first tension device 11 and the second tension device 12 together, so as to keep the dredger moving vertically.

In the above embodiment, the pulling device 71 is provided on the pulling rod 7, the pulling device 71 may be a circular hole, and is provided near the first end of the pulling rod 7, and may be tied to the pulling device 71 by a wire or other firm pulling rope in advance, after the dredger is submerged into the sea water, the pulling rod 7 is pulled by the pulling rope, the pulling rod 7 drives the magnetic hammer 6 provided at the second end thereof to move upwards, after the magnetic hammer 6 rises to the top end of the upper sleeve 2, the pulling rope is released, the magnetic hammer 6 falls freely to hit the connecting cover 3, the above process is repeated for a plurality of times, the reciprocating motion of the magnetic hammer 6 hits the connecting cover 3, so that the whole dredger receives continuous downward hitting force, the force against the resistance of the sea water is increased, the dredger continues to move downwards into the sea, so that the dredger can operate in the deep sea area, when the dredger enters the bottom mud, the force of the magnetic hammer 6 on the connecting cover enables the mud sampler to continuously move downwards to the depth of the mud layer, so that the mud sampler can gradually descend to the depth of the mud layer to be sampled.

Fig. 2 shows a schematic view of the construction of the mudjack 9 in the sampling tube 8.

As shown in fig. 2, in order to take out the collected sediment sample from the sampling tube 8, a mud pushing rod 9 is needed, a circular pressing plate 91 is arranged at the lower end of the mud pushing rod 9, the circumference of the circular pressing plate 91 is equal to the inner circumference of the sampling tube 8, and the sediment sample is conveniently and completely pushed out of the sampling tube 8; the vertical a plurality of measuring holes 92 that set up of mud pushing rod 9 lateral surface, for the layering condition of conveniently taking notes the sediment sample, can set up the distance between the measuring hole to equidistant, for example the distance between the adjacent measuring hole 92 is 1cm, and at the in-process of pushing out the sediment sample sampling tube 8 with the sediment sample, the operator can be through reading the height of each layer of the sediment sample that the number record of measuring hole 92 was released.

Fig. 3 is a schematic structural diagram of an embodiment of a sampling head.

As shown in fig. 3, the sampling head 5 may be cylindrical, the sampling head 5 includes a plurality of guide vane structures 51, the plurality of guide vane structures 51 are distributed along the periphery of the second end of the sampling head in a contact manner, the first end of the sampling head is detachably and fixedly connected with the second end of the lower sleeve 4, any one of the guide vane structures 51 is rotatably connected with the second end of the sampling head, the rotation angle is α, when the second end of the sampling head is located below, a closed surface is formed between the plurality of guide vane structures 51, wherein the predetermined angle α is 0 to 90 degrees.

The angle of rotation is the angle that the guide vane structure formed with the inner wall of sampling head in rotatory in-process, and when the sediment that awaits measuring advances into the sampling head from the second end that the sampling head was equipped with guide vane structure 51 or the sampling head did not set up the first end of guide vane structure 2 when the below, all guide vane structures can rotate to paste on the inner wall at the sampling head.

The ratio of the radius of the sampling tube 8 (not shown) to the length L of the guide vane structure 51 is 1: 1.1-1.3, so that the guide vane structure 51 can bear the weight of bottom mud and be sealed and stored in the mud sampler.

Specifically, in the process that the mud sampler descends from the surface of the sediment to be detected to the deep part of the mud layer, due to the upward thrust of the sediment, the guide vane structures 51 of the sampling head 5 are all unfolded upwards, the sediment to be detected enters the sampling pipe 8 through the second end of the sampling head 5, when the mud sampler is lifted upwards after the collection is finished, the guide vane structures 51 stop rotating after being influenced by the gravity of the sediment sample in the sampling pipe 8 from an included angle of about 0 degree with the inner wall of the sampling head to an included angle of about 90 degrees with the inner wall of the sampling head, so that a plurality of guide vane structures 51 are connected with each other to form a closed surface with a bearing function, one end of the sampling head is in a closed state, so that the collected sediment sample is completely sealed in the sampling tube 8, and the sediment sample is prevented from being separated from the mud sampler when the mud sampler is in a vertical state.

Fig. 4 shows a schematic structural view of an embodiment of a guide vane structure, fig. 5 shows a schematic structural view of a first vane and a second vane, and as shown in fig. 4 and fig. 5, a guide vane structure 51 includes a first vane 511 and a second vane 512, the first vane 511 and the second vane 512 are in mutual fit contact, one end of the first vane 511 is provided with a first clamping portion 513, can be rotatably clamped with the inner wall of the sampling head, one end of the second blade 512 is provided with a second clamping part 514, the guide vane structure 51 is rotatably connected with the second end of the sampling head through a first clamping part 513 and a second clamping part 514 respectively, when the end of the sampling head provided with the guide vane structure 51 is below, and the second end of the sampling head is below, the main body of the first vane and the main body of the second vane are mutually matched to form a closed surface with a load-bearing function.

Specifically, the main body of the first blade comprises a trapezoid structure and a triangular structure, the main body of the second blade is of the triangular structure, and the triangular structure of the main body of the first blade and the triangular structure of the main body of the second blade are both isosceles triangle structures.

The first clamping portion 513 is a through hole communicated with the side edge of the first blade 511, and the second clamping portion 514 is a through hole communicated with the side edge of the second blade 512, wherein the first clamping portion 513 and the second clamping portion 514 have the same size, so that the production process is reduced in the manufacturing process, and the installation is convenient.

The length h1 of the first blade 511 is greater than the length h2 of the second blade 512, wherein h 1: h2 ═ 1: 0.6-0.8, when the mud sampler lifts up after finishing collecting, the second blades 512 rotate to form an included angle of about 90 degrees with the inner wall of the sampling head before the first blades 511 to prevent the sediment sample from leaking out of the sampling tube 8, and then the first blades 5 rotate along with the second blades 512 to be mutually connected to form a closed surface with a bearing function, so that the sediment sample is completely sealed in the sampling tube 8.

In the above embodiment, the ratio of the radius r of the sampling head to the length h1 of the first blade 511 is 1: 0.8 to 1.1, wherein the diameter of the sampling head can be set to 10 cm.

The utility model discloses a take mud sampler of magnetic hammer, adopt detachable fixed connection mode, and is convenient for carry, when carrying out the lightweight to mud sampler, can form the impact force to mud sampler through the reciprocating motion of magnetic hammer, the operation in the entering deep sea waters that mud sampler can be smooth is realized, the one end through the sampling head can form the closed surface that has the bearing function, realize in the sampling tube with the complete sealing up of bed mud sample after gathering the completion, realized highly carrying out the reading to each layer of bed mud sample when taking out the bed mud sample simultaneously, thereby work efficiency has been improved.

The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A mud sampler with a magnetic hammer is characterized by comprising a sealing cover (1), an upper sleeve (2), a connecting cover (3), a lower sleeve (4), a sampling head (5), the magnetic hammer (6), a pull rod (7) and a sampling tube (8),

closing cap (1) and upper sleeve (2), connection lid (3), lower sleeve (4), sampling head (5) set gradually and detachably fixed connection, magnetism hammer (6) set up in upper sleeve (2), pull rod (7) slidable pass the hole of closing cap (1) with magnetism hammer (6) fixed connection, set up sampling tube (8) in the lower sleeve, the first end of lower sleeve (4) with sampling tube (8) detachably fixed connection.

2. The mud sampler with the magnetic hammer according to claim 1, wherein the sampling head (5) comprises a plurality of guide vane structures (51), a plurality of guide vane structures (51) are distributed along the periphery of the second end of the sampling head in contact, and the first end of the sampling head is detachably and fixedly connected with the second end of the lower sleeve (4);

any one guide vane structure (51) is rotatably connected with the second end of the sampling head, the rotating angle is a preset angle (α), when the second end of the sampling head is arranged below, a closed surface is formed among a plurality of guide vane structures (51), and the preset angle (α) is 0-90 degrees.

3. The mud sampler with magnetic hammer as claimed in claim 2, wherein any one of the guide vane structures (51) comprises a first vane (511) and a second vane (512), and the first vane (511) and the second vane (512) are in fit contact with each other;

one end of the first blade (511) is provided with a first clamping part (513), one end of the second blade (512) is provided with a second clamping part (514), the guide vane structure (51) is rotatably connected with the second end of the sampling head through the first clamping part (513) and the second clamping part (514) respectively,

when the second end of the sampling head is arranged below, the body of the first blade and the body of the second blade are matched with each other to form a closed surface.

4. The mud sampler with the magnetic hammer as claimed in claim 3, wherein the first catching portion (513) is a through hole communicating with a side of the first blade (511), the second catching portion (514) is a through hole communicating with a side of the second blade (512),

wherein the first clamping part (513) and the second clamping part (514) have the same size.

5. A mud sampler as claimed in claim 4, wherein the ratio between the radius (r) of the sampling head (5) and the length (h1) of the first blade (511) is 1: 0.8 to 1.1;

the length (h1) of the first blade (511) is greater than the length (h2) of the second blade (512), wherein h 1: h2 ═ 1: 0.6 to 0.8.

6. A dredger according to claim 2, characterized in that the ratio of the radius (R) of the sampling tube (8) to the length (L) of the guide vane structure (51) is 1: 1.1 to 1.3.

7. The mud sampler with magnetic hammer as claimed in claim 1, wherein a first tensioner (11) and a second tensioner (12) are respectively provided on both sides of the cover (1);

the first chest expander (11) and the second chest expander (12) simultaneously apply pulling force to the mud sampler to enable the mud sampler to move in the vertical direction.

8. The mud sampler with magnetic hammer as claimed in any one of claims 1 to 7, wherein the pull rod (7) is provided with a tension device (71);

the tension device (71) is arranged at the first end of the pull rod, and the second end of the pull rod is fixedly connected with the magnetic hammer (6).

9. The mud sampler with the magnetic hammer according to claim 1, further comprising a mud pushing rod (9), wherein a pressing plate (91) is arranged at the lower end of the mud pushing rod, a plurality of measuring holes (92) are vertically arranged on the outer side surface of the mud pushing rod,

wherein the circumference of the pressure plate (91) is equal to the inner circumference of the sampling tube (8).