Efficient gravity sampler

Abstract

The utility model discloses an efficient gravity sampler which comprises a floral tube and a sampling tube device, the sampling tube device is connected to the bottom of the floral tube, a hammering device is arranged in the floral tube, and the top of the floral tube is connected with a floral tube stress rope; the sampling tube device comprises a sampling tube, a lining PVC tube is arranged in the sampling tube, and petals used for preventing a sample entering the sampling tube from flowing back are mounted at the inner bottom of the sampling tube; the hammering device comprises a plumb bob and a releasing and recycling device; the floral tube and the sampling tube device sink through the floral tube stress rope, and after sinking, the release recovery device controls the plumb bob to impact the sampling tube, so that the sampling tube continues to sink. A combined structure of the upper-end floral tube and the lower-end sampling tube is adopted, the hammering device is arranged in the upper-end floral tube, and the PVC liner tube and the petal device for preventing a substrate sample from falling off are arranged in the lower-end sampling tube. The structure is high in sampling rate, simple to operate and easy to popularize and apply.

Description

TECHNICAL FIELD

[0001] The utility model relates to seabed sandy soil sediment layer sampling technical field especially a kind of high-efficiency gravity sampler. BACKGROUND

[0002] At present, seabed sandy soil sediment layer sampling generally adopts gravity columnar sampler, vibration columnar sampler. Gravity columnar sampling adopts the method of counterweight on the upper end of sampling tube to increase the weight of equipment, the top of gravity sampling tube is fixed with steel cable connected with winch through pulley, gravity sampler is retracted by winch forward and reverse, when sampling, winch releases gravity sampler quickly, gravity sampler moves downward in water in the way of approximate free fall, sampling tube is inserted into seabed sandy soil sediment layer, gravity sampler is retracted by reversing winch, seabed sandy soil sediment layer sample is taken out from sampling tube;Vibration columnar sampling adopts electric vibrator installed on the upper end of sampling tube, the top of sampling tube is fixed with steel cable connected with winch through pulley, vibrator cable is connected with cable winch through another pulley and connected with power on ship, when sampling, vibration gravity sampler is released by winch, cable winch is synchronously released, when vibration gravity sampler support touches seabed, the vibrator of vibration gravity sampler is started, sampling tube is inserted into seabed sandy soil sediment layer under the action of vibrator, winch is reversed, sampler is retracted to ship deck, seabed sandy soil sediment layer sample is taken out from sampling tube.

[0003] And the sampling length of gravity columnar sampler is short, is greatly influenced by seabed bottom nature, is a little longer in argillaceous bottom, is shorter in sandy bottom;The sampling length of vibration gravity columnar sampler is related to the power of vibrator, is also related to seabed bottom nature, is a little longer in argillaceous bottom, is shorter in sandy bottom, is generally longer than the sampling length of gravity columnar sampler, but the efficiency is lower than that of gravity columnar sampler. Overall, the sampling length of the two kinds of samplers is limited by equipment itself, and its structure and working principle cannot achieve high-efficiency sampling.

[0004] Therefore, a kind of high-efficiency gravity sampler is provided. UTILITY MODEL CONTENT

[0005] To solve the problems in the prior art, the utility model provides a kind of high-efficiency gravity sampler, solves the technical problems raised in the background art part.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of high-efficiency gravity sampler, including flower pipe and sampling tube device, sampling tube device is connected in the bottom of flower pipe, the inside of flower pipe has hammering device, and the top of flower pipe is connected with flower pipe stress rope;

[0008] The sampling tube device comprises a sampling tube, the inside of the sampling tube is provided with a PVC lining tube, and petals are arranged on the inner bottom of the sampling tube to prevent the backflow of the sample into the sampling tube;

[0009] The hammering device comprises a lead hammer and a release and recovery device;

[0010] The flower tube and the sampling tube device are sunk through the force bearing rope, after sinking, the release and recovery device controls the lead hammer to hit the sampling tube, and the sampling tube continues to sink.

[0011] Further, the bottom of the sampling tube is provided with a knife edge.

[0012] Further, the petals comprise a ring-shaped copper sheet elastic petal holder and a plurality of copper sheet elastic petals arranged in the copper sheet elastic petal holder and sequentially in contact, and the plurality of copper sheet elastic petals form a conical shape.

[0013] Further, the release and recovery device is arranged in the PVC lining tube, the release and recovery device comprises a pull rod and an I-shaped component arranged at the bottom of the pull rod, the top of the pull rod penetrates to the outside of the flower tube, the top of the pull rod is connected with a pull rope, the two I-shaped component clamping grooves of the I-shaped component are both hingedly connected with horn-shaped release rods through horn-shaped release shaft bolts, the bottoms of the two horn-shaped release rods are arranged below the I-shaped component, the bottoms of the two horn-shaped release rods are connected through a horn-shaped release rod spring, the bottoms of the two horn-shaped release rods jointly hold a clamping cap, and the clamping cap is connected with the lead hammer through a lead hammer pull rod.

[0014] Further, the pull rod is provided with a pull rod guide right circular ring which is in contact with the upper end port of the flower tube.

[0015] Further, the outer wall of the lead hammer is provided with a longitudinal guide groove, the guide groove is provided with a lead hammer guide sheave, the lead hammer guide sheave contacts the inner wall of the PVC lining tube, and the lead hammer guide sheave is arranged in the guide groove through a lead hammer guide sheave fixing bolt.

[0016] Further, the flower tube is provided with a plurality of drainage holes.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The present application adopts the combined structure of the upper end flower tube and the lower end sampling tube, the hammering device is arranged in the upper end flower tube, and the PVC lining tube and the petal device for preventing the bottom sample from falling are arranged in the lower end sampling tube. The structure has high sampling rate, simple operation and easy popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a front view structural schematic diagram of the present application;

[0020] Fig. 2This is a schematic diagram of the structure of this utility model cut out step by step;

[0021] Fig. 3 This is a schematic diagram of the working motion state of this utility model.

[0022] In the diagram: 1. Sampling tube; 2. Flower tube; 3. Connection between sampling tube and flower tube; 4. Drainage hole; 5. Flower tube tension rope; 6. Pull rod rope; 7. Tension ring; 8. Pull rod; 9. Pull rod guide; 10. I-beam component; 11. Tension rope fixing bolt; 12. Pull rod tension rope fixing bolt; 13. I-beam component slot; 14. Plumb bob; 15. Horn-shaped release rod; 16. Plumb bob pull rod; 17. Cap; 18. Horn-shaped release device pivot bolt; 19. Copper sheet elastic petal support; 20. Copper sheet elastic petal; 21. Inner PVC pipe lining; 22. Knife edge; 23. Horn-shaped release device spring; 24. Plumb bob guide pulley fixing bolt; 25. Plumb bob guide pulley; 26. Guide groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] A high-efficiency gravity sampler, as follows: Figs. 1-3 As shown, it includes a flower tube 2 and a sampling tube device. The sampling tube device is connected to the bottom of the flower tube 2. The inside of the flower tube 2 has a hammering device, and the top of the flower tube 2 is connected to a flower tube force rope 5.

[0025] The sampling tube device includes a sampling tube 1, the inside of which is lined with a PVC tube 21, and the bottom of the sampling tube 1 is fitted with petals to prevent the sample entering the sampling tube 1 from flowing back.

[0026] The hammering device includes a plumb bob 14 and a release and recovery device;

[0027] The flower tube 2 and the sampling tube device are lowered by the flower tube force rope 5. After lowering, the release recovery device controls the lead hammer 14 to strike the sampling tube 1, so that the sampling tube 1 continues to sink.

[0028] Furthermore, the bottom of the sampling tube 1 has a blade 22, and the petals are nested and locked inside the blade 22. The blade 22 is screwed onto the sampling tube 1 by threads. When sampling, the substrate sample enters the PVC liner. When the tube is lifted, the sample inside moves down, causing the petals to close and preventing the sample from slipping further.

[0029] Further, the petal includes a ring-shaped copper petal elastic holder and a plurality of copper petal elastics installed in the copper petal elastic holder and sequentially contacted.

[0030] Further, the releasing and recovering device is located in the inner PVC pipe 21, and includes a pull rod 8 and an I-shaped part 10 at the bottom of the pull rod 8. The top of the pull rod 8 penetrates to the outside of the flower pipe 2, and is connected with a pull rod pull rope 6. The I-shaped part 10 is hinged with two horn-shaped release rods 15 in the I-shaped part clamping slots 15 on the two sides of the I-shaped part 10 through horn-shaped releaser rotating shaft bolts 18. The bottoms of the two horn-shaped release rods 15 are located below the I-shaped part 10, and the bottoms of the two horn-shaped release rods 15 are connected through horn-shaped release rod springs 23. The bottoms of the two horn-shaped release rods 15 jointly hold a clamping cap 17, and the clamping cap 17 is connected with a plumb bob 14 through a plumb bob pull rod 16.

[0031] Further, the pull rod 8 is installed with a pull rod guide circle ring 9 on the upper port contact part of the flower pipe 2, so that the pull rod 8 moves linearly.

[0032] Further, the outer wall of the plumb bob 14 is provided with a longitudinal guide slot 26, and the guide slot 26 is installed with a plumb bob guide sheave 25. The plumb bob guide sheave 25 contacts the inner wall of the inner PVC pipe 21, and the plumb bob guide sheave 25 is installed in the guide slot 26 through a plumb bob guide sheave fixing bolt 24, so that the plumb bob 14 moves linearly.

[0033] Further, the flower pipe 2 is provided with a plurality of drainage holes 4, which is beneficial to drainage of the plumb bob 14 when the plumb bob 14 moves in the flower pipe 2, and reduces the water resistance.

[0034] Embodiment one

[0035] The plumb bob and the releaser are separated for sampling: when sampling, the lifting equipment is put into water, and is lowered to the seabed. Under the action of the gravity of the equipment itself, the knife edge is inserted into the seabed to a certain depth. After the equipment is stable, the pull rod rope is pulled up, the pull rod drives the plumb bob to move upward. When the top of the horn-shaped releaser is pressed, the plumb bob is released. When the plumb bob is released, the pull rod pull rope is quickly loosened. The plumb bob moves in the flower pipe to hammer the sampling pipe. The sampling pipe is inserted into the seabed sediment layer. The equipment is lifted to the platform. The PVC lining pipe is taken out. The sampling is completed.

[0036] Embodiment two

[0037] The plumb bob and the releaser are not separated for sampling: when sampling, the lifting equipment is put into water, and is lowered to the seabed. Under the action of the gravity of the equipment itself, the knife edge is inserted into the seabed to a certain depth. After the equipment is stable, the pull rod rope is pulled up, the pull rod drives the plumb bob to move upward. When the top of the horn-shaped releaser is not pressed, the pull rod pull rope is quickly loosened. The plumb bob, the pull rod and the I-shaped part move together in the flower pipe to hammer the sampling pipe. The sampling pipe is inserted into the seabed sediment layer. The equipment is lifted to the platform. The PVC lining pipe is taken out. The sampling is completed.

[0038] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should, therefore, be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims concerned.

[0039] Furthermore, it should be understood that although the present specification describes exemplary embodiments, the application is not limited to only one independent technical solution in each embodiment, and the specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A high efficiency gravity sampler characterized by, The application relates to a flower tube (2) and a sampling tube device connected at the bottom of the flower tube (2), wherein the inside of the flower tube (2) is provided with a hammering device, and the top of the flower tube (2) is connected with a flower tube stress rope (5). The sampling tube device comprises a sampling tube (1), the inside of the sampling tube (1) is provided with an inner lining PVC tube (21), and the inner bottom of the sampling tube (1) is provided with petal-shaped parts for preventing backflow of samples into the sampling tube (1). The hammering device comprises a lead hammer (14) and a release and recovery device. The flower tube (2) and the sampling tube device are sunk through the flower tube stress rope (5), after sinking, the release and recovery device controls the lead hammer (14) to impact the sampling tube (1), so that the sampling tube (1) continues to sink. The release and recovery device is arranged in the inner lining PVC tube (21), the release and recovery device comprises a pull rod (8) and an I-shaped part (10) arranged at the bottom of the pull rod (8), the top of the pull rod (8) penetrates to the outside of the flower tube (2), the top of the pull rod (8) is connected with a pull rod pull rope (6), the I-shaped part (10) is hinged with two horn-shaped release rods (15) through horn-shaped releaser rotating shaft bolts (18) in the I-shaped part clamping grooves (13) on the two sides of the I-shaped part (10), the bottoms of the two horn-shaped release rods (15) are arranged below the I-shaped part (10), the bottoms of the two horn-shaped release rods (15) are connected through horn-shaped release rod springs (23), the bottoms of the two horn-shaped release rods (15) jointly hold a clamping cap (17), and the clamping cap (17) is connected with the lead hammer (14) through a lead hammer pull rod (16).

2. The high efficiency gravity sampler of claim 1, wherein, The bottom of the sampling tube (1) is provided with a knife edge (22).

3. The high efficiency gravity sampler of claim 1, wherein, The petal-shaped parts comprise a ring-shaped copper sheet elastic petal-shaped part body and a plurality of copper sheet elastic petals arranged in the copper sheet elastic petal-shaped part body and sequentially in contact, and the plurality of copper sheet elastic petals form a conical shape.

4. The high efficiency gravity sampler of claim 3, wherein, The pull rod (8) is provided with a pull rod guide right circular ring (9) on the upper end port contact part of the flower tube (2).

5. The high efficiency gravity sampler of claim 1, wherein, The outer wall of the lead hammer (14) is provided with a longitudinal guide groove (26), the guide groove (26) is provided with a lead hammer guide pulley (25), the lead hammer guide pulley (25) is in contact with the inner lining PVC tube (21), and the lead hammer guide pulley (25) is arranged in the guide groove (26) through a lead hammer guide pulley fixing bolt (24).

6. The high efficiency gravity sampler of claim 1, wherein, The flower tube (2) is provided with a plurality of drainage holes (4).

Images