CN221224316U - Mud flowing sampler - Google Patents

Abstract

The utility model discloses a mud flow sampler which comprises a soil inlet pipe, a conical bottom sealing, a bottom ring cutter and a lining pipe sealing door, wherein the outer edge of the upper end of the bottom ring cutter is connected with the soil inlet pipe, the outer edge of the lower end of the bottom ring cutter is connected with the conical bottom sealing, a plurality of mud flow sample inlets are formed in the soil inlet pipe, the mud flow sample inlets are uniformly arranged along the circumferential direction of the soil inlet pipe, the lining pipe sealing door is inserted into the soil inlet pipe, and the lining pipe sealing door is positioned at the mud flow sample inlet and used for sealing the mud flow sample inlets. According to the mud flowing sampler, the ring cutters with the bottoms can be taken down from the soil inlet pipe, so that the ring cutters with the bottoms can be replaced, mud flowing at different depths can be sampled continuously, the working efficiency is greatly improved, and repeated configuration of a plurality of sets of samplers or repeated arrangement of sampling personnel to a sampling place and a site for storing samples are avoided.

Description

Mud flowing sampler

Technical Field

The utility model relates to the technical field of a flowing mud sampler for geotechnical engineering drilling, in particular to a flowing mud sampler.

Background

In the field of geotechnical engineering investigation, in order to solve the time-varying silt falling condition of new dredged silt in a dredged area of new dredged soil for sea reclamation, indoor tests are usually required to be carried out by adopting flowing soil samples at different depth positions. But the new hydraulic filling sludge is in a plastic flowing state, and basically has no bearing capacity, so that all drilling equipment cannot perform investigation operation at present, and sampling operation is required to be performed manually by means of a foam plate. At present, a sampler is not provided for manually sampling a flowing soil sample in JGJ/T87-2012 of the technical rules of geological exploration and sampling of constructional engineering. How to scientifically and effectively take the soil samples of the new hydraulic filling sludge with different depths at different moments is a very troublesome problem.

Disclosure of utility model

In order to solve the defects of the technical scheme, the utility model aims to provide a mud flowing sampler.

The aim of the utility model is achieved by the following technical scheme.

The utility model provides a flow mud sampler, includes into soil pipe, circular cone back cover, takes end ring sword and inside lining pipe sealing door, take end ring sword's upper end outer fringe to connect advance the soil pipe, take end ring sword's lower extreme outer fringe to connect circular cone back cover advance to offer a plurality of on the soil pipe and flow mud sample introduction port, a plurality of it evenly sets up along advancing soil pipe circumference advance the intraductal inside lining pipe sealing door that alternates of soil, inside lining pipe sealing door is located it flows mud sample introduction port department for shutoff flows mud sample introduction port.

In the above technical scheme, the soil inlet pipe is internally provided with the limiting protrusion, and the limiting protrusion is positioned below the mud flowing sample inlet and used for limiting the sealing door of the lining pipe so as to seal the mud flowing sample inlet.

In the technical scheme, the upper end of the soil inlet pipe is connected with a joint pipe, the pipe diameter of the joint pipe is gradually reduced, and the outer edge of the upper end of the joint pipe is connected with an extension pipe.

In the above technical scheme, inside lining pipe sealing door is tubulose, including constant diameter section and pipe diameter convergent section, the pipe diameter convergent section is connected to constant diameter section upper end, the external diameter of constant diameter section equals the internal diameter of advance soil pipe, the upper end threaded connection of pipe diameter convergent section is interior lining pipe and is connected the pole, and the upper portion that should interior lining pipe connects the pole passes the extension pipe is located the extension pipe outside.

In the technical scheme, the lining pipe connecting rod is a hollow pipe.

In the above technical scheme, the ring cutter with the bottom comprises a ring cutter body and a base, wherein the base is arranged at the lower end of the ring cutter body and is used for containing mud.

In the technical scheme, the cutting ring body is provided with the outer wire by turning.

In the technical scheme, a cutter ring cover is arranged at the upper end of the cutter ring body.

In the technical scheme, the inner diameter of the ring cutter body is 79.8mm, and the height of the ring cutter body is 40m.

The utility model has the advantages and beneficial effects that:

1. The mud flowing sampler is pressed into a soil sample by manual pressing, the disturbance to the soil sample can be reduced to the greatest extent by adopting a slow static pressure mode, meanwhile, the lining pipe sealing door closes the mud flowing sample inlet in the sinking process, mud flowing at a non-designated position is prevented from entering the sampler, when the lining pipe sealing door is opened, mud flowing at the designated position enters the soil inlet pipe and fills the ring cutter with the bottom, then the lining pipe sealing door is closed, the ring cutter with the bottom is taken out, sampling is accurate, and the ring cutter cover is timely sealed, so that water loss is avoided.

2. According to the mud flowing sampler, the ring cutters with the bottoms can be taken down from the soil inlet pipe, so that the ring cutters with the bottoms can be replaced, mud flowing at different depths can be sampled continuously, the working efficiency is greatly improved, and repeated configuration of a plurality of sets of samplers or repeated arrangement of sampling personnel to a sampling place and a site for storing samples are avoided.

3. The lining pipe seals the use of door, has avoided the entering of non-sampling position mud flow, accurate sample.

4. The utility model has simple operation and convenient assembly and disassembly, and greatly improves the working efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

Fig. 2 is a schematic view of the structure of the bottomed cutter ring and the cutter ring cover of the present utility model.

Fig. 3 is a partial enlarged view of fig. 1.

Wherein,

1: Soil inlet pipe, 2: conical back cover, 3: cutting ring with bottom, 3-1: cutting ring body, 3-2: base, 4: lining tube seals the door, 4-1: equal pipe diameter section, 4-2: pipe diameter convergent section, 5: mud flowing inlet, 6: limit bump, 7: joint pipe, 8: extension tube, 9: lining pipe extension rod, 10: a knife ring cover.

Other relevant drawings may be made by those of ordinary skill in the art from the above figures without undue burden.

Detailed Description

The technical scheme of the utility model is further described below with reference to specific embodiments.

Example 1

As shown in fig. 1-3, a mud sampler comprises a soil inlet pipe 1, a conical bottom sealing 2, a bottom ring cutter 3 and a lining pipe sealing door 4, wherein the outer edge of the upper end of the bottom ring cutter 3 is in threaded connection with the lower end of the soil inlet pipe 1, the outer edge of the lower end of the bottom ring cutter 3 is in threaded connection with the conical bottom sealing 2 (the bottom is conical, the lower end is favorable for reducing the drop resistance, and the disturbance to the soil sample is small), 4 mud inlet openings 5 are formed in the soil inlet pipe 1, 4 mud inlet openings 5 are uniformly arranged at intervals along the circumferential direction of the soil inlet pipe 1, the lining pipe sealing door 4 is inserted into the soil inlet pipe 1, and the lining pipe sealing door 4 is positioned at the mud inlet opening 5 and is used for sealing the mud inlet openings 5.

Specifically, a limiting protrusion 6 is arranged in the soil inlet pipe 1, the limiting protrusion 6 is positioned below the flowing mud sample inlet 5 and is used for limiting the lining pipe sealing door 4 so as to be capable of sealing the flowing mud sample inlet 5, the upper end of the soil inlet pipe 1 is connected with a joint pipe 7, the pipe diameter of the joint pipe 7 is gradually reduced, and the outer edge of the upper end of the joint pipe is in threaded connection with an extension pipe 8;

Specifically, the lining pipe sealing door 4 is tubular and comprises an equal pipe diameter section 4-1 and a pipe diameter gradually-reduced section 4-2, the upper end of the equal pipe diameter section 4-1 is connected with the pipe diameter gradually-reduced section 4-2, the outer diameter of the equal pipe diameter section 4-1 is equal to the inner diameter of the soil inlet pipe 1, the outer edge of the upper end of the pipe diameter gradually-reduced section 4-2 is in threaded connection with a lining pipe connecting rod 9 (the lining pipe connecting rod 9 is a hollow pipe), the upper part of the lining pipe connecting rod 9 penetrates out of the connecting pipe 8 and is positioned outside the connecting pipe 8, an operator can hold the lining pipe connecting rod 9 to plug the lining pipe sealing door 4, the lining pipe sealing door 4 is high in strength and thin in wall thickness, and the lining pipe sealing door can effectively seal the mud flowing inlet 5. The length of the lining pipe sealing door 4 is smaller than that of the soil inlet pipe 1, and when the lining pipe sealing door 4 is lifted upwards, the mud flowing inlet 5 is opened, and meanwhile, enough space is reserved for accommodating soil samples.

Specifically, the ring cutter 3 with the bottom comprises a ring cutter body 3-1 and a base 3-2, wherein the base 3-2 is arranged at the lower end of the ring cutter body 3-1 and is used for containing mud, and the ring cutter body 3-1 is provided with an external thread by turning.

Example 2

On the basis of embodiment 1, in this embodiment, a cutter cover 10 is mounted on the upper end of the cutter body 3-1, and after the cutter body 3 with the bottom is removed from the soil inlet pipe 1, the cutter cover 10 is used to cover the cutter body 3 with the bottom to prevent water loss of the mud. The inner diameter of the ring cutter body 3-1 is 79.8mm, and the height is 40m.

The use method of the mud flow sampler provided by the utility model comprises the following steps:

Step 1, assembling a sludge flow sampler, and detecting the flexibility of a lining pipe door closure and the tightness of a sludge flow inlet by inserting and pulling a lining pipe joint rod;

Step 2, because the new hydraulic filling sludge is very poor and has low bearing capacity, a sampling person needs to be transported to a designated sampling position by means of a bamboo pole by utilizing a foam board, and the sampling person transports a plurality of ring cutters with bottoms and a plurality of soil-bearing sample boxes of the sludge flow sampler to the designated sampling position;

Step 3, pressing down the lining pipe connecting rod to enable the lining pipe sealing door to move downwards, closing the mud flowing inlet, slowly pressing down the long pipe to enable the whole mud flowing sampler to vertically enter the mud, when the mud flowing sampler reaches a specified sampling depth, lifting up the lining pipe connecting rod to enable the lining pipe sealing door to move upwards, opening the mud flowing inlet, and enabling the mud flowing to simultaneously enter a ring cutter with a bottom in the soil inlet pipe from multiple directions;

step 4, when the lining pipe sealing door is opened for 1-2 minutes, the flowing mud is filled with the ring cutter with the bottom, at the moment, the lining pipe connecting rod is slowly pushed down, the flowing mud sample inlet is closed, and the extension pipe is lifted upwards until the whole flowing mud sampler is lifted out of the ground;

Step 5, the mud flowing sampler is kept vertical, the conical bottom sealing is dismounted, the ring cutter with the bottom is taken down, excessive mud on the ring cutter with the bottom is scraped off by a scraper, the ring cutter cover is quickly screwed on by wiping cleanly by a rag, and the ring cutter with the bottom is placed in the soil sample box;

And 6, repeating the steps 1 to 5, and pressing down the mud flowing sampler to different depths or positions by replacing the ring cutter with the bottom, so that mud samples flowing at different depths and positions can be continuously taken, and the mud samples are transported back to a laboratory for indoor test.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The foregoing has described exemplary embodiments of the utility model, it being understood that any simple variations, modifications, or other equivalent arrangements which would not unduly obscure the utility model may be made by those skilled in the art without departing from the spirit of the utility model.

Claims (9)

1. The utility model provides a flow mud sampler, its characterized in that, including advancing soil pipe, circular cone back cover, area end ring sword and inside lining pipe sealing door, the upper end outer fringe of area end ring sword is connected advance the soil pipe, the circular cone back cover is connected to the lower extreme outer fringe of area end ring sword advance to offer a plurality of mud sample inlets that flow on the soil pipe, a plurality of it evenly sets up along advancing soil pipe circumference advance the intraductal inside lining pipe sealing door that alternates of advance, inside lining pipe sealing door is located it flows mud sample inlet department for shutoff flows mud sample inlet.

2. The mud flow sampler of claim 1, wherein a limit protrusion is arranged in the soil inlet pipe, and the limit protrusion is positioned below the mud flow inlet and is used for limiting a sealing door of the lining pipe so as to seal the mud flow inlet.

3. The mud flow sampler of claim 1, wherein the upper end of the soil inlet pipe is connected with a joint pipe, the pipe diameter of the joint pipe is gradually reduced, and the outer edge of the upper end of the joint pipe is connected with an extension pipe.

4. A mud flow sampler according to claim 3, wherein the lining pipe sealing door is tubular and comprises an equal-diameter section and a pipe diameter tapered section, the pipe diameter tapered section is connected to the upper end of the equal-diameter section, the outer diameter of the equal-diameter section is equal to the inner diameter of the soil inlet pipe, the upper end of the pipe diameter tapered section is in threaded connection with a lining pipe connecting rod, and the upper part of the lining pipe connecting rod penetrates through the connecting pipe and is positioned outside the connecting pipe.

5. The mud flow sampler of claim 4, wherein the liner tube extension rod is a hollow tube.

6. The mud flow sampler of claim 1, wherein the bottomed ring cutter includes a ring cutter body and a base mounted at a lower end of the ring cutter body for holding mud flow.

7. The mud flow sampler of claim 6, wherein the ring body is turned with an outer wire using a lathe.

8. The mud flow sampler of claim 6, wherein a cutter cover is mounted to the upper end of the cutter body.

9. The mud flow sampler of claim 6, wherein the inner diameter of the ring cutter body is 79.8mm and the height is 40m.