SU1518673A1 - Underwater sampler - Google Patents

Abstract

The invention relates to underwater technical means for sampling bottom soil, in particular to samplers that are lowered from a ship on a flexible link. The aim of the invention is to increase the efficiency and reliability of operation. The sampler contains a core tube with a vibrating hammer installed inside the supporting frame, a movable holder with hinged hinges attached to it and a lifting mechanism containing a winch, pulley, a drum with a ratchet. The movable blocks of the chain hoist and the drum are mounted on the upper end of the frame, and the movable blocks are on the vibratory hammer, while the cable is passed through the blocks of the chain hoist, is wound on the drum and fixed to the holder. The frame is provided with a spring-loaded latch, which interacts with the clip, and restricts the movement of the clip and vibro-hammer. 1 hp f-ly, 4 ill.

Description

The invention relates to a device O1 (St-vam for sampling, in particular to devices for sampling of bottom soil, descending from a ship on a flexible connection.

The purpose of the invention is to increase efficiency, activity and reliability of work.

FIG. 1 shows the sampler, obliy view; in fig. 2 — node I in FIG. one; on . 3 - sampler when lifting it from the ground; in fig. 4 - mutual position of the cage and frame during the descent of the sampler overboard.

The sampler consists of vibrohammer 1, co-wing pipe 2, cable 3, holder 4, paws 5, consisting of the upper 6 and nk .. of their 7 rods and frame 8,

The butt 9 on the yoke 4 is made with longitudinal inclined grooves 10 under the axis 11 of the upper rod 11 6. The stops 12 are rigidly fixed on the upper rods x 6 of the legs from the inside, and the stops 14 are fixed to the outside of the middle part of the frame 8. The free end of the cable 3 is rigidly fixed on the butt 9, winding not less than eight shlag around the transit drum 15 installed in the upper part of the frame B. C bar} 0ana 15 the cable 3 is stored in blocks 16 installed on the vibratory hammer 1, and in blocks 17 installed in the tops (parts of the frame V. Drum 15 stopports from pro screwed ratchet

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18, rigidly mounted on the drum, and the pawl 19, a spring-loaded spring 20. iia vibratory hammer 1 has a folding lever 21 with a spring 22, holding it in a vertical position. The frame 8 is equipped with a latch 23, which locks the holder 4 in its extreme upper position: 4J hinge 24 Latch 23 consists of a tongue 25 with a spring 26, which is pivotally connected to the lever 27, on which a handle 28 with a cable 29 is loosely attached.

The sampler works as follows.

To descend the sampler to the bottom, the yoke 4 is fixed on the frame 8 with a clamp 23, and the tab 25 goes into the loop 24, and the handle 28 with the rope 29 is dressed on the lever 27. The rope 29 is fixed on board the vessel. The dog 19 is pulled out of the catch with the ratchet wheel 18, the drum 15 is rotated by hand and the free loop of the cable 3 is released to move the sleeve 4 down. The OIBO 21 lever 21 is away from the pawl 19, which is pressed against the snoring wheel 18 by the spring 20. The sampler lifts the natro 3, is taken overboard and lowered. In this case, the cable 29 lifts the handle 28 with the lever 27, the tongue 25 comes out of the oeTJHi 24 and the holder 4 lowers its own weight as well. R.-3-ng. Diet rods 6 and 7 paws in the side,

D (to the bottom, the rods 7 become pa and the weight of the sampler is inhaled. At that, the axes 11 - rods 6 in the butts 9 move upwards (the holder 4 is rotated relative to the roller 8). Then the vibratory hammer 1 is turned on and the core is driven. pipe 2 to the ground.

After the lever 21 descends below the pawl 19, it takes up a vertical position under the action of the spring 22, pulling out the 1st column pipe 2 is made with a winch (not shown), which selects the cable 3. The column pipe 2 is pulled out of the ground by ustion, n times large traction effort winch, where n - the multiplicity of the polyspast.

If there is a ship mixing, the relative sampling cable 3 tries to bend the frame 8, but with an effort of n times 1-1 mm, which is necessary for pulling out. After complete crushing of core pipe 2 vibratory hammer 1

the upper position comes to Kpaiuiee and the lever 21 pulls the pawl 19 out of engagement with the ratchet wheel 18, the drum 15 releases the cable 3, rewinds it through the drum 15, raises the holder 4 to the extreme upper position where it is locked with a lock 23, lift the sampler on

pabulu cable 3,

The use of this device makes it possible to increase the reliability of sampling at the expense of safety when laying on the ground, reducing the bending forces on the core pipe when pulling out. In this case, it is possible to use a winch of smaller capacity, which reduces the energy consumption for taking samples,

The descent is the rise of the device, the divergence of the paws and their folding, the lifting and lowering of the cage occurs automatically, which reduces the time spent on the test. The device is lifted onto the borg in folded form, having dimensions and dimensions that will facilitate the work with its tilting ia deck of the vessel.

About Oh p. inventions

1. Underwater sampler, including a column tube, vibratory hammer, for:; pc. Fused at its upper end,

.1 a single yoke with hinged hinged legs and a lifting mechanism containing a winch with a cable, installed on the vessel’s borg, differing in

THAT, in order to increase the efficiency and reliability of work, it is equipped with a flooring frame, a column tube is installed inside the frame with the possibility of vertical movement, the mechanism

lifting is additionally equipped with a multiple polyspast and a ratchet drum, while the fixed blocks of the polyspast and the drum are fixed on the upper end of the frame, and the movable ones on the vibro-hammer equipped with a spring-loaded lever installed with the possibility of rotation and interaction with the ratchet paw, the frame is equipped with a spring-loaded latch installed with the possibility of interaction with the holder, and the limiters of the stirring of the holder and the vibration of the cylinder, and the cable passed through the blocks of the chain hoist, wound on the drum and fixed to the holder.

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23

15

nineteen

FIG. 2

79 (4 /

15

18

Fig 14

22

Claims (1)

1. An underwater sampler, including a core tube, a vibratory hammer mounted on its upper end, a sliding clip with hinged legs pivotally mounted on it, and a lifting mechanism comprising a winch with a cable mounted on board the vessel, characterized in that, in order to improve efficiency and reliability of operation, it is equipped with a supporting frame, the core tube is installed in the frame of the frame with the possibility of vertical movement, the lifting mechanism is additionally equipped with a multiple pulley block and a drum with ratchet, while the stationary tackle locks and drum are fixed on the upper end of the frame, and movable - on the vibratory hammer, equipped with a spring-loaded lever mounted to rotate and interact with the ratchet dog, the frame is equipped with a spring-loaded latch installed with the possibility of interaction with the holder, and limiters of movement of the holder and vibration hammer, and the cable is passed through the pulley blocks, wound on a drum and mounted on a clip. 1518673 b lever connected by a cable t nom. court5 1, about t - that sub2. Sampler n <> n. L