CN214471983U - Sampling device suitable for shallow water stereoplasm bed mud - Google Patents

Abstract

The utility model provides a sampling device suitable for shallow water stereoplasm bed mud, include: the supporting rod is provided with a sliding sleeve; the first grab bucket and the second grab bucket are mounted at the bottom end of the supporting rod through a hinge structure; the outer edge of each grab bucket is provided with a hanging ring, and the hanging rings are connected with an opening rope; and one end of the closed rope is fixed on the first grab bucket, a pulley is arranged on the second grab bucket, and the other end of the closed rope is fixed on the sliding sleeve after passing around the pulley. Sampling device is putting into the in-process of bed mud, through pressing down the bracing piece, can exert pressure to the grab bucket, increases the degree of depth that the grab bucket got into the bed mud. In the process of pulling, the sliding sleeve is pulled, so that the closing rope can be driven to pull the two grab buckets to fold, and the bottom mud made of harder materials can be conveniently dug.

Description

Sampling device suitable for shallow water stereoplasm bed mud

Technical Field

The utility model belongs to the technical field of the deposit sampling, concretely relates to sampling device suitable for shallow water stereoplasm bed mud.

Background

In recent years, water pollution has become an urgent problem to be solved for ecological environment protection, and bottom mud adsorption and release have also become the focus of research on water pollution. In order to research the migration and release mechanism of pollutants in sediment, a mud collecting device is generally used for collecting water sediments and then transporting the water sediments to a laboratory for experimental research.

At present, when the surface sediment of a water body is sampled, the used equipment is mainly a grab bucket type mud sampler. The grab bucket of grab bucket type dredger is connected with the rope, and under the action of gravity of grab bucket itself during the use, immerse it into the bottom through the rope, snatch the bed mud through the rope that opens and the closed rope of fixing on the grab bucket. The application of this kind of adopt mud ware among the prior art is comparatively extensive, and requires lowly to the water degree of depth, nevertheless because its effort to the deposit only relies on self gravity, to the lower and harder bed mud of texture of moisture content, has the problem of the sample difficulty, can cause empty mining often or the sample volume is few, is difficult to satisfy multiple circumstances such as great sample volume requirement. Therefore, the method has very important practical significance on how to accurately sample enough sediment aiming at the hard sediment.

Disclosure of Invention

The utility model provides a prior art lacks the sediment sampling device's that carries out accuracy and quantity sampling to the stereoplasm sediment technical problem, and then provides a sampling device easy and simple to handle, be applicable to shallow water stereoplasm sediment.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a sampling device suitable for shallow water hard bottom mud, comprising: the support rod is provided with a sliding sleeve, and the sliding sleeve is sleeved on the periphery of the support rod; the first grab bucket and the second grab bucket are mounted at the bottom end of the supporting rod through a hinge structure; the outer edge of each grab bucket is provided with a hanging ring, and the hanging rings are connected with an opening rope; and one end of the closed rope is fixed on the first grab bucket, a pulley is arranged on the second grab bucket, and the other end of the closed rope is fixed on the sliding sleeve after passing around the pulley.

One end of the opening rope is connected with the hanging ring, and the opening rope is fixed on the supporting rod through an openable locking mechanism.

The bracing piece adopts the cavity pole, locking mechanical system sets up the cavity passageway department of bracing piece be provided with the through-hole on the bottom lateral wall of bracing piece, open the rope by the through-hole gets into the cavity passageway of bracing piece.

The locking mechanism comprises a sliding groove, a compression spring is arranged on one side of the sliding groove, a sliding plate is arranged on the other side of the sliding groove, and the sliding plate is connected with the compression spring in an abutting mode and is suitable for sliding along the horizontal direction; the top plate and the bottom plate of the sliding groove are provided with a first rope threading hole which is communicated, the sliding plate is provided with a second rope threading hole, and the first rope threading hole and the second rope threading hole are arranged along the vertical direction in the axial direction.

And one side of the sliding plate, which is far away from the compression spring, is connected with a switch button, and the switch button penetrates through the side wall of the supporting rod and extends to the outside of the supporting rod.

And a sliding plate limiting mechanism is arranged on one side of the sliding plate, which is far away from the compression spring.

The second grab bucket is provided with a first hanging ring, the sliding sleeve is provided with a second hanging ring, and the other end of the closed rope is fixed on the sliding sleeve after passing around the pulley, the first hanging ring and the second hanging ring.

The other end of the closing rope is fixed on the sliding sleeve through a fixing pin.

Sampling device suitable for shallow water stereoplasm bed mud, the advantage lies in:

sampling device suitable for shallow water stereoplasm bed mud, be provided with bracing piece and sliding sleeve, putting into the in-process of bed mud with sampling device, through pressing the bracing piece, can exert pressure to the grab bucket, increase the degree of depth that the grab bucket got into the bed mud. In the process of pulling, the sliding sleeve is pulled, so that the closing rope can be driven to pull the two grab buckets to fold, and the bottom mud made of harder materials can be conveniently dug.

As preferred embodiment, in the utility model discloses in the upper portion of opening the rope is fixed on the bracing piece through the locking mechanical system that can open, under initial condition, open the rope and carry and draw the grab bucket presents the open mode, and after sampling device fell into the bed mud, the grab bucket of open mode was convenient for grab into more bed mud deposits. When the grab bucket needs to be pulled up, the opening rope is released by opening the locking mechanism, and then the subsequent operation of closing the grab bucket can be carried out, so that the operation performance of the device is improved, and the sampling operation is simpler and more convenient.

In order to make the technical scheme of the sampling device suitable for shallow water stereoplasm bed mud more clearly understand, it is right to combine specific figure and specific embodiment below the utility model discloses further explanation.

Drawings

Fig. 1 is a schematic structural diagram of a sampling device suitable for shallow hard bottom mud according to the present invention;

fig. 2 is a partial structural view of an opening rope of the sampling device according to the present invention;

fig. 3 is a schematic structural diagram of a locking mechanism of the sampling device according to the present invention;

fig. 4 is a side view of a second grab of the sampling device of the present invention.

Wherein the reference numerals are:

1-a support bar; 11-a hinge structure; 12-a sliding groove; 13-a compression spring; 14-the top plate of the sliding groove; 15-floor of the sliding groove; 16-a slide plate; 17-a switch button;

2-a sliding sleeve;

3, a grab bucket; 31-a lifting ring; 32-a pulley; 33-a first suspension loop; 331-a second grab;

4-opening the rope; 41-total rope; 5-closing the rope; 6-a second suspension loop; 7-a fixed pin; 8-a limit ring.

Detailed Description

This embodiment provides a sampling device suitable for shallow water stereoplasm bed mud, as shown in fig. 1, sampling device includes bracing piece 1, bracing piece 1 adopts the cavity pole. Be provided with sliding sleeve 2 on the bracing piece 1, sliding sleeve 2 suit is in the periphery of bracing piece 1 is suitable to be followed bracing piece 1 slides, in order to prevent that sliding sleeve 2 from droing be provided with two spacing rings 8 on the bracing piece 1, be located sliding sleeve 2's top and below respectively, sliding sleeve 2 suitably slides between two spacing rings 8.

Two grab buckets 3 are mounted at the bottom end of the support rod 1, as shown in fig. 1, the grab buckets are respectively a first grab bucket and a second grab bucket 331, the first grab bucket and the second grab bucket 331 are mounted at the bottom end of the support rod 1 through a hinge structure 11, and the hinge structure 11 can drive the two grab buckets to rotate, so that the opening and closing of the grab buckets are realized. A lifting ring 31 is arranged on the outer edge of each grab bucket, and the lifting ring 31 is connected with an opening rope 4; one end of the opening rope 4 is connected with the hanging ring 31, and the upper part of the opening rope 4 is fixed on the support rod 1 through an openable locking mechanism. As shown in fig. 2, two opening ropes 4 are provided and are connected to the hoist rings 31 of the first grab bucket and the second grab bucket 331, respectively, and the upper ends of the two opening ropes 4 are converged into one total rope 41. In a preferred embodiment, the lifting ring 31 is disposed at a middle position of an outer edge of the grab bucket.

In the present embodiment, the locking mechanism is disposed at the hollow channel of the support rod 1, a through hole (not shown) is disposed on the side wall of the bottom end of the support rod 1, and the opening rope 4 enters the hollow channel of the support rod 1 through the through hole. As shown in fig. 3, the locking mechanism includes a sliding groove 12, a compression spring 13 is disposed on one side of the sliding groove 12, and a sliding plate 16 is disposed on the other side of the sliding groove, and the sliding plate 16 is in interference connection with the compression spring 13 and is suitable for sliding in a horizontal direction; the top plate 14 and the bottom plate 15 of the sliding groove 12 are provided with a first rope threading hole which is through, the sliding plate 16 is provided with a second rope threading hole, and the first rope threading hole and the second rope threading hole are both arranged along the vertical direction in the axial direction. And one side of the sliding plate 16, which is far away from the compression spring 13, is connected with a switch button 17, and the switch button 17 penetrates through the side wall of the supporting rod 1 and extends to the outside of the supporting rod 1. A sliding plate limiting mechanism is arranged on the side of the sliding plate 16 far away from the compression spring 13 and used for limiting the sliding plate 16 to move towards the direction far away from the compression spring 13, the sliding plate limiting mechanism is a wall surface of the sliding groove 12 in the embodiment, and the switch button 17 can pass through the wall surface, but the sliding plate is limited in the wall surface. The main rope 41 formed by the opening ropes 4 is inserted through the first and second rope threading holes. In a locked state, the compression spring 13 pushes the sliding plate 16 to move towards the switch button 17, at this time, the second rope threading hole and the first rope threading hole are in a staggered state, so that the main rope 41 is locked, the grab bucket is opened, when the grab bucket needs to be closed, the switch button 17 is pressed, so that the second rope threading hole and the first rope threading hole are in a vertically corresponding through state, the main rope 41 slides downwards, and the grab bucket is closed. In order to further improve the locking effect, the main rope 41 is provided with a hard segment which is located above the top plate 14 of the sliding groove 12 in the locked state, and the main rope 41 is prevented from sliding downward because the hard segment is not easily deformed, and the hard segment can pass through the locking mechanism under the action of gravity when the switch button 17 is pressed. The hard segment may be implemented by fixing a sleeve made of plastic or a sleeve made of metal on the outer wall of the main string 41.

The sampling device is provided with a closed rope 5, one end of the closed rope 5 is fixed on the first grab bucket, a pulley 32 is arranged on the second grab bucket 331, and the other end of the closed rope 5 is fixed on the sliding sleeve 2 after bypassing the pulley 32. In a preferred embodiment, the second grapple 331 is provided with a first hook 33, the support rod 1 positioned below the sliding sleeve 2 is provided with a second hook 6, and the other end of the closing rope 5 is passed around the pulley 32 and the first and second hooks 33, 6 and then fixed to the sliding sleeve 2. The first suspension loop 33 and the second suspension loop 6 serve as a guide to prevent problems with the closure rope 5 being misplaced or jammed. In the present embodiment, the other end of the closing cord 5 is fixed to the sliding sleeve 2 by a fixing pin 7. Also as a preferred embodiment, in the present embodiment, two closing ropes 5 are provided, as shown in fig. 1 and 4, two pulleys 32 are provided on two parallel side walls of the second grapple 331, and two corresponding first suspension loops 33 and two corresponding second suspension loops 6 are provided, and the two first suspension loops 33 are respectively located on the upper edges of the two parallel side walls. One end of each of the two closing ropes 5 is fixed on two parallel side walls of the first grab bucket, and then is fixed on the sliding sleeve 2 after correspondingly passing around a pulley 32, a first hanging ring 33 and a second hanging ring 6.

The operation method of the sampling device suitable for shallow hard bottom mud in the embodiment comprises the following steps:

when the grab bucket is used, the main rope 41 of the opening rope 4 is lifted, the opening rope 4 drives the two grab buckets to be separated, the grab bucket is in an opening state, and the main rope of the opening rope is locked by the locking mechanism to be kept in the opening state. The supporting rod 1 of the sampling device is pressed down, so that the grab bucket penetrates into sediment, then the switch button 17 of the locking mechanism is pressed, and the main rope 41 slides downwards under the action of gravity; the sliding sleeve 2 is pulled upwards while the switch button 17 is pressed, the sliding sleeve 2 drives the closing rope 5 to move upwards until the two grab buckets are closed (namely, in a closed state as shown in figure 1), and the sampling device is lifted out of the water surface, so that the sampling of the sediment is completed.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (8)

1. A sampling device suitable for shallow water stereoplasm bed mud, its characterized in that includes:

the support rod is provided with a sliding sleeve, and the sliding sleeve is sleeved on the periphery of the support rod;

the first grab bucket and the second grab bucket are mounted at the bottom end of the supporting rod through a hinge structure;

the outer edge of each grab bucket is provided with a hanging ring, and the hanging rings are connected with an opening rope;

and one end of the closed rope is fixed on the first grab bucket, a pulley is arranged on the second grab bucket, and the other end of the closed rope is fixed on the sliding sleeve after passing around the pulley.

2. The sampling device for the shallow water hard bottom sediment according to claim 1, wherein one end of the opening rope is connected with the hanging ring, and the opening rope is fixed on a support rod through an openable locking mechanism.

3. The sampling device for shallow hard sediment according to claim 2, wherein the support rod is a hollow rod, the locking mechanism is disposed at the hollow channel of the support rod, a through hole is disposed on the bottom end side wall of the support rod, and the opening rope enters the hollow channel of the support rod through the through hole.

4. The sampling device for the shallow water hard bottom mud according to claim 3, wherein the locking mechanism comprises a sliding groove, a compression spring is arranged on one side of the sliding groove, a sliding plate is arranged on the other side of the sliding groove, and the sliding plate is in interference connection with the compression spring and is suitable for sliding along a horizontal direction; the top plate and the bottom plate of the sliding groove are provided with a first rope threading hole which is communicated, the sliding plate is provided with a second rope threading hole, and the first rope threading hole and the second rope threading hole are arranged along the vertical direction in the axial direction.

5. The sampling device for the shallow water hard bottom sediment according to claim 4, wherein a switch button is connected to one side of the sliding plate away from the compression spring and extends to the outside of the support rod through the side wall of the support rod.

6. The sampling device for the shallow water hard bottom mud according to claim 5, wherein a sliding plate limiting mechanism is arranged on one side of the sliding plate away from the compression spring.

7. The sampling device for the shallow water hard bottom sediment according to claim 6, wherein a first hanging ring is arranged on the second grab bucket, a second hanging ring is arranged on the sliding sleeve, and the other end of the closing rope is fixed on the sliding sleeve after passing around the pulley and the first and second hanging rings.

8. The sampling device for shallow hard sediment according to claim 7, wherein the other end of the closing rope is fixed on the sliding sleeve by a fixing pin.

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