KR200328820Y1 - sampler of gravity and vacuum - Google Patents

Abstract

The present invention relates to a gravity vacuum sampler, the wire guide hole 11 penetrates in the center, and the wire guide hole 11 is formed by cutting to one side of the outer circumferential surface of the wire guide hole 11 so that the wire 2 is introduced into the wire guide hole 11. It consists of a wire inlet 12 which is to be, and the locking device 13 provided on the front upper and lower sides of the wire inlet 12 to prevent the separation of the wire 2 introduced into the wire guide hole (11), the inner bottom A hollow cylinder 10 formed in the conical shape and having a predetermined weight; The upper end is formed in a conical shape, the cylinder dropping portion 21 to which an impact is applied when the cylinder 10 falls, and the male screw portion 23a is formed below the outer circumferential surface and extends below the cylinder dropping portion 21. Combination portion 23 and the circular protrusion 24 is formed protruding from the lower inner side of the coupling portion 23 and the inner threaded portion 24a is formed around the inner circumferential surface, the opening and closing port in the inner center of the circular protrusion 24 25 is formed, and the outlet opening 26 is formed to extend from the opening and closing port 25 to penetrate the upper end of the cylinder dropping portion 22 and penetrate to one side of the coupling portion 23, the opening and closing hole 25 is A head 21 provided with a ball valve 27 in the outlet 26 to open and close; The first male screw portion 28a is formed at the upper end, the second male screw portion 28b is formed at the lower end, and a plurality of tape wound grooves 29 are arranged around the outer circumference, and the center is cut and provided in a detachable form. A sampling part 28; A cap 30 having an open bottom and a female screw portion 30a formed around an inner circumferential surface thereof and coupled to a lower second male screw portion 28a of the sample collection portion 28; The female screw portion 31a is formed around the inner circumferential surface to be coupled to the male screw portion 23a of the head 21, and the air hole 41 is formed in both lower sides thereof, and the hollow portion in which the male screw portion 31b is formed at the lower end thereof. A tube 31 of the type; A female threader 33a is formed around the upper inner circumferential surface and comprises a sampler 20 formed of a casing shoe 33 coupled to the male threader 31b of the tube 31; The lower end of the casing shoe 33 was provided with a gravity vacuum sampler formed to taper inward.

Therefore, since the components of the sampler 20 are screwed together, the assembly and separation of the sampler 20 is easy, so that the sampler 20 can be easily transported when sampling in the water phase, and at the drilling line when the sample is collected. By connecting wires (2) and (3) to the upper end of the sampler (20) and the cylinder (10), the cylinder (10) falls down while pressing the sampler (20) head 21 by gravity and moves to the bottom of the seabed. Installation is quick and easy, and when the stratum is hard or the depth of sampling is deep, the head 21 of the sampler 20 can be pushed into the cylinder 10 to be press-fitted, so that samples of deep depth can be collected. The ball valve 27 inside the head 21 of the sampler 20 opens and closes the opening and closing port 25 when the sampler 20 falls so that water and air in the sampler 20 are discharged. 20) to facilitate the fall, and the lifting of the sampler 20 Since the ball valve 27 blocks the opening and closing port 25, the inside of the sample collecting unit 28 containing the sample is vacuumed, thereby preventing the sample from being separated.

Description

Gravity sampler {sampler of gravity and vacuum}

The present invention relates to a sampler, in particular to a gravity vacuum sampler.

Currently, dams, rivers and coasts in Korea have accumulated sand, silt and dead fish and shellfish, and environmental pollution is increasing day by day. As the source of water, the condition of raw water, the components of contaminated sediments, the distribution and thickness of sediments, and the like, the necessity of establishing measures to prevent environmental pollution and coastal development is increasing day by day.

In general, at sea, dam, and lake, barges or offshore drilling vessels are used for drilling and drilling equipment to connect casings, rods, and drilling beads to the bottom, and to descend and rotate the beads to collect samples. Buddhism eggs by a cylindrical sampler using auger equipment on the ground Sampling methods are used.

This sampling method takes a lot of time and expense, such as towboat, drilling ship, anchor installation, material and technician transport when sampling in the water, even the time of investigation was limited to even and algae.

In addition, the fixed offshore drilling ship was difficult to move and install the equipment at a depth of more than 20m, and a large drilling ship was needed. Sampling was also performed after the casing was installed, connecting the rod and the collector to the lower part, and sampling took one to two or three days.

An object of the present invention for solving the above problems is to provide a gravitational vacuum sampler that is convenient to transport and install, and to collect a sample of a deep depth by a gravitational vacuum.

The present invention gravity gravimetric sampler for achieving the above object, in the sampler for sampling the sedimentary layer and the soft layer of the deep water, such as rivers, dams and coasts, wire guide hole penetrating the center, A wire inlet formed by being cut into one side of the outer circumferential surface of the wire induction hole so that wire is introduced into the wire induction hole, and a locking device provided at the front upper and lower sides of the wire inlet so as to prevent separation of the wire introduced into the wire induction hole; A hollow cylinder having a predetermined weight at a lower inner side thereof in a conical shape; A cylinder drop portion having an upper end conical shape and impacted when the cylinder is dropped; a coupling portion extending downward from the cylinder drop portion and having a male screw portion formed around the outer circumference; Consists of a circular protrusion that is formed around the female thread portion, the opening and closing hole is formed in the inner center of the circular protrusion, the opening extending from the opening is formed in the outlet through the upper end of the cylinder dropping portion and the coupling portion, the opening and closing opening and closing A head provided with a ball valve in said outlet so as to be provided; A first sampling screw portion formed at an upper end thereof, a second male screw portion formed at a lower end thereof, and having a plurality of tape winding grooves arranged around the outer circumferential surface thereof, and having a center cut out and provided in a separable form; A cap having an open bottom and a female screw portion formed around an inner circumferential surface thereof, the cap being coupled to the lower second male screw portion of the sample collection portion; A female thread portion formed around an inner circumferential surface of the head to be coupled to the male thread portion of the head, an air hole formed in both lower sides thereof, and a male thread portion formed at a lower end thereof; A female screw portion is formed around the upper inner circumferential surface, characterized in that it comprises a sampler consisting of a casing shoe coupled to the male screw portion of the tube.

Another characteristic of the gravity vacuum sampler of the present invention is characterized in that the lower end of the casing shoe is formed to be inclined downward to form a conical shape.

Therefore, the components of the sampler are screwed together so that the assembly and separation of the sampler is easy, so that the sampler can be easily transported when collecting the sample from the water phase. As the cylinder falls down by pressing the sampler head by gravity by connecting it, it is quick and easy to move and install to the bottom of the seabed, and when the ground is hard or the depth of sampling deepens, the head of the sampler can be pressed into the cylinder and press-fitted. In addition to taking samples with a deep depth, the ball valve inside the sampler head opens and closes the sampler when the sampler falls, allowing water and air inside the sampler to be discharged to facilitate the sampler dropping. When lifting the collector, the ball valve closes the opening and closing port, Ball, so there is an effect that it is possible to prevent the sample to escape.

Figure 1 is an external perspective view of the present invention gravity vacuum sampler.

Figure 2 is an exploded perspective view of a sampler according to the present invention.

Figure 3 is a cross-sectional view showing a drop state of the subject innovation gravity sampler.

Figure 4 is a schematic view showing a state in which the present invention gravity vacuum sampler is pressed into the stratum.

Figure 5 is a cross-sectional view showing the lifting state of the subject innovation gravity sampler.

Explanation of symbols on the main parts of the drawings

One ; Drilling lines 2,3; wire

10; Cylinder 11; Wire inductor

12; Wire inlet 13; lock

20; Sampler 21; head

22; Cylinder dropping part 23; Joint

23a; Male thread part 24; Round stone

25; Opening 26; outlet

27; Ball valve 28; Sample Collection Department

28a; First male thread portion 28b; 2nd male thread

29; Tape wound grooves 30; cap

30a; Female thread part 31; tube

31a; Female thread part 31b; Male thread

32; Air holes 33; Casing shoe

33a; Female thread part T; tape

P; pin

Specific features and advantages of the present invention will become more apparent from the following description with reference to the accompanying drawings.

1 is an external perspective view showing a gravity vacuum sampler of the present invention, Figure 2 is an exploded perspective view of the sampler according to the present invention, the gravity vacuum sampler of the present invention has a large predetermined weight as shown in Figures 1 and 2 The cylinder 10 and the sampler 20 are comprised.

The cylinder 10 has a wire inlet 12 cut through the wire guide hole 11 at one side of the outer circumferential surface of the wire guide hole 11 so that the wire 2 penetrates into the wire guide hole 11 at one side of the outer circumferential surface thereof. Is formed. And the front of the wire inlet 12 is provided with a locking device (13) for preventing the wire (2) introduced into the wire guide hole (11) from being separated from the wire guide hole (11), the lower inside is a sampler to be described later It is formed in a conical shape so as to be in close contact with the cylinder drop portion 21 of the upper cone of the top (20).

The sampler 20 includes a head 21, a sampler 28 and a tube 31 coupled to the head 21, a cap 30 coupled to a lower end of the sampler 28, and a tube. The casing shoe 33 is coupled to the lower end of the 31, and the head 21 has a cylinder-shaped dropping part 21 to which an upper end is formed in a conical shape and an impact is applied when the cylinder 10 falls. A coupling portion 23 extending downward of the portion 21 and having a male screw portion 23a formed below the outer circumferential surface thereof, and a female screw portion 24a formed protruding from the bottom inner side of the coupling portion 23 and surrounding the inner circumferential surface thereof. It is composed of a circular protrusion 24.

Opening and closing hole 25 and the outlet 26 is formed in the head 21, the opening and closing port 25 is formed in the inner center of the circular protrusion 24, the discharge port 26 is extended from the opening and closing port 25 It is formed through the upper end of the cylinder dropping portion 21 and one side of the coupling portion 23, the outlet 26 is provided with a pin (P) to prevent the separation of the ball valve 27 to be described later.

Here, the outlet 26 is provided with a ball valve 27 for opening and closing the opening and closing port 25, the ball valve 27 is always blocking the opening and closing port 25 at the top of the opening and closing port 25, the sampler ( When the ball 20 is lowered in the water, the ball valve 27 is lifted upward, the opening and closing port 25 is opened, and the water is discharged to the discharge port 26, and the sample is taken and the ball collector 20 is lifted. (27) is lowered to the initial state to block the opening and closing port 25 so that water does not flow into the sampling unit 28 when the sampler 20 is lifted.

The sample collection portion 28 coupled to the circular protrusion 24 of the head 21 has a first male thread portion 28a coupled to the female screw portion 24a formed on the circular protrusion 24 of the head 21 at the top thereof. The second male screw portion 28a is formed at a lower end thereof, and a plurality of tape winding grooves 29 are arranged around the outer circumferential surface thereof. It is cut in the center and provided as a detachable type, and is coupled to the circular protrusions 24 of the head 21. The tape sampling grooves 28 around the outer circumferential surface are wound around the tape T to separate the sample collection unit 28 into one. By coupling to the circular protrusion 24 of the head 21.

The cap 30 coupled to the lower second male screw portion 28a of the sample collection portion 28 has an open bottom and a female screw portion 30a formed around the inner circumferential surface thereof.

The tube 31 has a female thread portion 31a formed around the inner circumferential surface, an air hole 41 is formed in both lower sides thereof, and a male thread portion 31b is formed at the lower end thereof so that the upper female thread portion 31a has a head ( It is coupled to the male screw portion 23a formed in the engaging portion 23 of 21.

The casing shoe 33 coupled to the lower male thread portion 31b of the tube 31 has a female thread portion 33a formed around the inner circumferential surface of the upper tube 31, and when the sampler 20 is introduced into the ground layer, The lower end was formed to be inclined downward to form a conical shape so that the sample could be easily introduced, so that foreign substances having a large diameter were not collected during sampling.

The gravity vacuum sampler structure of the present invention has a tape T in the tape winding groove 29 formed around the outer circumferential surface after mutually matching the sampler 28 separated when the sampler 20 is coupled. Rotating and fixing by rotating the cap 30 to the second male screw portion (28b) formed at the bottom to combine the separated sample collection unit 28 as one.

Then, the first male screw portion 28a of the upper end of the sample collection portion 28 is fastened to the female screw portion 24a formed around the inner side of the circular protrusion 24 of the head 21 to the circular protrusion 24 of the head 21. Sampling portion 28 is coupled, the female screw portion (23a) formed on the coupling portion 23 of the head 21 is fastened to the female screw portion 31a formed on the upper end of the tube 31 is coupled to the head 21 The tube 31 is coupled to the portion 23, and the female thread portion 33a formed on the casing shoe 33 is fastened to the male screw portion 31b formed at the lower end of the tube 31, thereby casing the lower end of the tube 31. Shoe 33 is coupled.

With the sampler 20 assembled as described above, one side of the wire (2) fixed to the drilling vessel (1) at the irradiated position of the water when sampling the sedimentary layer and the soft layer in the area or the coast where the depth of river, dam, etc. is more than 50m or the coast After fixing the other side to the upper end of the sampler 20, the sampler 20 is dropped on the seabed so as to enter the strata of the seabed.

Then, the cylinder 10 is inserted into the wire inlet 12 formed by cutting the wire 2 connected to the sampler 20 to one side of the outer circumferential surface of the cylinder 10 such that the cylinder 10 is positioned perpendicularly to the sampler 20. ) Place the locking device 13 in the upper and lower side of the wire inlet 12 so that the wire 2 is not separated from the wire guide hole 11 in the center, and fix the wire 3 to the upper end of the cylinder 10. .

The cylinder 10 installed as described above is fixed to the sampler 20 and dropped to the upper side of the sampler 20 which is guided and dropped by the wire 2 positioned in the wire guide hole 11.

The cylinder 10 dropped to the upper side of the sampler 20 has its lower part in close contact with the cylinder dropping portion 21 of the upper part of the sampler 20 to apply a load to the sampler 20 to stratify the sampler 20. Drop to

At this time, the sampler 20 is dropped in the water as shown in Fig. 3 and the water discharged inside the tube 31 to the air hole 41 formed on both sides of the tube 31 is discharged, the ball valve inside the head 21 As the 27 is lifted by gravity, the opening and closing port 25 is opened and the water that is filled in the sample collection unit 28 is dropped while being discharged to the outside through the outlet 26.

The sampler 20 is press-fitted into the strata of the sea bed by the load of the cylinder 10. When the strata are hard or the depth of sampling becomes deep, the head 21 of the sampler 20 is moved to the cylinder 10. When the sample collecting portion 28 is pressed into the strata, samples such as fish and shellfish are collected and contained in the sample collecting portion 28.

When the sample is collected and contained in the sampling unit 28, the cylinder 10 and the sampler 20 are lifted up and lifted by the drilling line 1. When the sampler 20 is lifted up in the water, the ball valve ( 27 is lowered to the initial state as shown in Figure 5 to block the opening and closing port 25, thereby vacuuming the interior of the sampling unit 28 is prevented from the separation of the sample collected in the sampling unit 28.

In addition, the water is introduced into the air hole 41 formed on both sides of the tube 31 when the sampler 20 is raised to remove foreign substances that are buried on the inner circumferential surface of the tube 31 when the sample is collected.

As such, when the cylinder 10 and the sampler 20 are lifted by the drilling line 1, the tube 31 is separated from the head 21, and the separated sample collecting part 28 containing the sample is placed in the head ( 21 from the circular protrusions (24).

Then, after separating the cap 30 coupled to the lower end of the sample collection unit 28 separated from the circular protrusion 24 and removing the tape (T) wound in the tape winding groove 29, the sample collection unit 28 Separate and analyze the collected sample inside.

The gravity vacuum sampler of the present invention, as the components of the sampler 20 are screwed, so that the assembly and separation of the sampler 20 is easy, so that the sampler 20 can be easily transported when sampling in the water phase. Do.

In addition, at the time of sampling, the cylinder 10 is connected to the sampler 20 and the upper end of the cylinder 10 at the drilling line 1 by the gravity of the cylinder 10 and the sampler 20 head 21 by gravity. It is quick and easy to move and install to the sea floor by pressing and dropping.

When the strata are hard or the sampling depth is deep, the head 21 of the sampler 20 may be hit by the cylinder 10 to be press-fitted so that a sample having a depth of 100 m or more may be collected.

According to the gravity vacuum sampler according to the present invention as described above, since the components of the sampler 20 are screwed, the assembly and separation of the sampler 20 is easy, so that the sampler when collecting the sample from the water phase ( 20) is easy to transport, and when the sample is collected from the drilling vessel 20 and the upper end of the cylinder 10 and the wire (2) (3) by connecting the cylinder 10 by the gravity sampler 20 Since it falls while pressing the head 21, it is quick and simple to move and install to the seabed strata, and when the strata is hard or the depth of sampling becomes deep, the head 21 of the sampler 20 is hit by the cylinder 10 and press-fitted. In addition, since the sample can be sampled with a deep depth, the ball valve 27 inside the head 21 of the sampler 20 can open and close the opening 25 when the sampler 20 falls. 20) Sampling by draining the water and air inside (20) facilitates the fall, and when the sampler 20 is lifted, the ball valve 27 blocks the opening and closing port 25, so that the inside of the sample collection unit 28 containing the sample is vacuum, so that the sample is separated. There is an effect that can be prevented.

Claims (2)

In the sampler that collects samples of deep sedimentary layers and soft layers, such as rivers, dams and shores, A wire inlet 12 penetrates through the center, a wire inlet 12 formed by cutting to one side of the outer circumferential surface of the wire guide hole 11 so that the wire 2 enters the wire guide hole 11, and the wire guide hole ( 11 is formed of a locking device 13 provided on the front upper and lower sides of the wire inlet 12 so as to prevent the separation of the wire (2) drawn in, the lower end of the inner cylinder is formed in a conical shape (10) )Wow; The upper end is formed in a conical shape, the cylinder dropping portion 21 to which an impact is applied when the cylinder 10 falls, and the male screw portion 23a is formed below the outer circumferential surface and extends below the cylinder dropping portion 21. Combination portion 23 and the circular protrusion 24 is formed protruding from the lower inner side of the coupling portion 23 and the inner threaded portion 24a is formed around the inner circumferential surface, the opening and closing port in the inner center of the circular protrusion 24 25 is formed, and the outlet opening 26 is formed to extend from the opening and closing port 25 to penetrate the upper end of the cylinder dropping portion 22 and penetrate to one side of the coupling portion 23, the opening and closing hole 25 is A head 21 provided with a ball valve 27 in the outlet 26 to open and close; The first male screw portion 28a is formed at the upper end, the second male screw portion 28b is formed at the lower end, and a plurality of tape wound grooves 29 are arranged around the outer circumference, and the center is cut and provided in a detachable form. A sampling part 28; A cap 30 having an open bottom and a female screw portion 30a formed around an inner circumferential surface thereof and coupled to a lower second male screw portion 28a of the sample collection portion 28; A female threaded portion 31a is formed around an inner circumferential surface of the head 21 to be coupled to the male threaded portion 23a of the head 21, and an air hole 41 is formed in both lower sides thereof, and a male threaded portion 31b is formed at a lower end thereof. (31); Gravity vacuum sampler, characterized in that it consists of a sampler 20 formed of a casing shoe 33 coupled to the male screw portion 31b of the tube 31 is formed around the upper inner peripheral surface 33a. . The method of claim 1, Gravity vacuum sampler, characterized in that the lower end of the casing shoe 33 is formed to be inclined downward to form a conical shape.