CN216050799U - Soil sampling device in oblique ramming pipe - Google Patents

Abstract

The utility model provides a device of fetching earth in ramming pipe is rammed in slant relates to ramming pipe construction technical field, can avoid artifical unable directness to fetch earth in the pipe of ramming of minor diameter, can avoid instruments such as directional drill bit to ram defects such as mechanical damage from the intraductal fetching earth of minor diameter again. The soil taking device is jacked into the ramming pipe soil layer to take soil; the soil taking device comprises a soil taking body, the soil taking body comprises a drill rod and a conical drill bit, the conical drill bit is sequentially connected below the drill rod, and the bottom end of the drill rod is fixedly connected with the large end of the conical drill bit; the conical drill bit is positioned in the soil sampling pipe, the small end of the conical drill bit is arranged close to the bottom of the soil sampling pipe, and the large end of the conical drill bit is arranged close to the top of the soil sampling pipe; the drill rod drives the conical drill bit to rotate, and the conical drill bit is loaded into the soil sampling pipe after soil is sampled from the tamping pipe. This is disclosed fetches earth from ramming the pipe through the conical bit of the body of fetching earth, has realized that the device of fetching earth is easy and simple to handle and safe high-efficient.

Description

Soil sampling device in oblique ramming pipe

Technical Field

The utility model relates to a ram tub construction field, especially relate to a device of fetching earth in ramming tub is rammed in slant.

Background

When the directional drilling construction meets the stratum such as sand, pebbles, gravels and the like, the problems of drill jamming, drill bit damage and the like can be encountered in the direct construction, so that the pipe ramming method is used for isolation crossing construction when the stratum is met. The pipe ramming method refers to the use of pipe rams to ram pipe joints into the formation. At present, the most applied soil taking mode in a tamping pipe is a manual soil taking or punching and grabbing drilling method.

However, the methods of manual soil sampling, drill digging and grabbing and the like are suitable for soil sampling in the large-diameter ramming pipe, and the drill sticking phenomenon is often aggravated in the ramming pipe with a smaller diameter (particularly when a sandy gravel stratum exists), so that the construction period and the cost are lost. Therefore, instruments such as a punching-grabbing drill, a directional drill bit and the like are not suitable for soil taking of a smaller-diameter tamping pipe any more, and manual soil taking is not in accordance with the requirements of site safety civilized construction.

In view of the above, there is a need to find a convenient soil-taking device to replace manual work and other inefficient methods in the construction process of directional drilling combined pipe ramming.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a soil taking device which is obliquely rammed into a rammer pipe, wherein soil is taken in the rammer pipe through a conical drill bit of a soil taking body and the soil taking pipe, so that the defects that manual work cannot directly take soil in the soil taking pipe with a smaller diameter, and devices such as a directional drill bit and the like are damaged due to the fact that the devices take soil from the soil taking pipe with the smaller diameter can be avoided. The soil sampling device provided by the embodiment of the utility model is simple and convenient to operate, safe and efficient.

In order to achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:

a soil sampling device which is obliquely rammed into a ramming pipe is characterized in that the soil sampling device is jacked into the ramming pipe to sample soil; the soil sampling device comprises a soil sampling body and a soil sampling pipe, wherein the soil sampling body comprises a drill rod and a conical drill bit, the conical drill bit is sequentially connected below the drill rod, and the bottom end of the drill rod is fixedly connected with the large end of the conical drill bit;

the conical drill bit is positioned in the soil sampling pipe, the small end of the conical drill bit is arranged close to the bottom of the soil sampling pipe, and the large end of the conical drill bit is arranged close to the top of the soil sampling pipe;

the drill rod drives the conical drill bit to rotate, and the conical drill bit is loaded into the soil sampling pipe after soil is sampled from the tamping pipe.

In one possible implementation manner, the conical drill comprises a drill base body and a helical blade, wherein the helical blade is fixedly arranged on the drill base body, and the width of the helical blade gradually decreases from the top end of the soil sampling pipe to the bottom end of the soil sampling pipe, so that the helical blade is conical;

the helical blade conveys soil materials by using the soil sampling pipe.

In a possible implementation manner, a soil outlet is formed in the pipe wall of the soil sampling pipe, and soil conveyed by the conical drill bit is poured out from the soil outlet.

In one possible implementation mode, the soil sampling pipe corresponding to the soil outlet is provided with a plurality of frames, and the frames are distributed along the axial direction of the soil sampling pipe;

each frame is fixed with the inner wall of the soil sampling pipe.

In a possible implementation manner, an openable and closable soil retaining cover plate is movably arranged in the soil sampling pipe, and the soil retaining cover plate divides the soil sampling pipe into a soil side and a soil-free side;

when the soil retaining cover plate is closed, the conical drill bit is positioned on the soil-free side of the soil taking pipe, and when the soil retaining cover plate is opened, the conical drill bit enters the soil-taking side from the soil-free side of the soil taking pipe to take soil.

In a possible implementation manner, a movable mechanism is arranged on the inner wall of the soil sampling pipe, and the movable mechanism is connected with the soil sampling pipe and the soil retaining cover plate;

the soil retaining cover plate is pushed by soil in the tamping pipe to move from the bottom end to the top end of the soil taking pipe through the movable mechanism.

In a possible implementation manner, the soil retaining cover plate is connected with the soil taking pipe through a thin rod, and the soil retaining cover plate rotates around the thin rod to prevent soil materials from inclining to the soil-free side of the soil taking pipe.

In a possible implementation manner, the soil retaining cover plate comprises a first cover plate and a second cover plate, and the first cover plate and the second cover plate are respectively connected with the soil sampling pipe;

an opening and closing mechanism is arranged between the first cover plate and the second cover plate and is opened or closed towards the soil-free side of the soil sampling pipe.

In the present disclosure, at least the following technical effects or advantages are provided:

according to the embodiment of the utility model, the conical drill bit of the soil taking body is used for taking soil from the tamping pipe, so that the defects that manual work cannot directly take soil in the smaller tamping pipe and devices such as a directional drill bit and the like are damaged due to taking soil from the smaller soil taking pipe can be avoided, and the soil taking device is simple and convenient to operate, safe and efficient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a soil sampling device that is diagonally rammed into a rammer tube according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of the soil sampling body in FIG. 1;

FIG. 3 is a schematic view showing the construction of the soil sampling pipe and the soil blocking cover plate of FIG. 1;

FIG. 4 is a schematic view of the structure of the soil outlet of the soil sampling pipe in FIG. 1;

fig. 5 is a schematic view showing the construction of the soil guard cover plate of fig. 1 and 3;

reference numerals: 1-taking out the soil; 11-a drill rod; 12-a cone drill bit; 121-a drill bit base; 122-helical blades; 2-a soil sampling pipe; 21-a soil outlet; 22-a frame; 3-a soil retaining cover plate; 5-slender rod; 6-a chain; a-big end; b-small end.

Detailed Description

The present disclosure is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present disclosure, and those skilled in the art should understand that the functional, methodological, or structural equivalents of these embodiments or substitutions may be included in the scope of the present disclosure.

In the description of the embodiments of the present disclosure, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are merely for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the utility model, the meaning of "a plurality" is two or more unless otherwise specified.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1 and 2, an embodiment of the present disclosure provides a soil sampling device that is obliquely rammed into a rammer pipe, wherein the soil sampling device is pushed into the rammer pipe to sample soil; the soil sampling device comprises a soil sampling body and a soil sampling pipe 2, wherein the soil sampling body comprises a drill rod 11 and a conical drill bit 12, the conical drill bit 12 is sequentially connected below the drill rod 11, and the bottom end of the drill rod 11 is fixedly connected with the large end of the conical drill bit 12; the conical drill bit 12 is positioned in the soil sampling pipe 2, the small end of the conical drill bit 12 is arranged close to the bottom of the soil sampling pipe, and the large end of the conical drill bit 12 is arranged close to the top of the soil sampling pipe; the drill rod 11 drives the conical drill bit 12 to rotate, and the conical drill bit 12 is filled in the soil taking pipe 2 after soil is taken from the rammer pipe.

The pipe ramming method is a method of using pipe ramming hammer as a device capable of ramming hollow ramming pipe, and its basic principle is that the pipe ramming pipe to be laid is directly rammed into stratum along designed route by using compressed air or hydraulic oil as power. The oblique tamping of the embodiment of the disclosure means that the tamping route of the tamping pipe is oblique in the tamping process of the tamping pipe hammer.

As the cut soil layer enters the rammer pipe along with the propelling of the rammer pipe, the soil taking body of the embodiment of the disclosure is used for discharging soil materials in the rammer pipe. In particular, the rammed pipe is uncovered at both ends (the rammed pipe is typically a steel pipe of about 1.2m diameter), the rammed pipe (not shown in the figures). In practical application, firstly, a tamping pipe (a steel pipe with the diameter of about 1.2 m) is tamped into a soil layer, then, a soil taking pipe is jacked into the tamping pipe to take soil (the diameter of the soil taking pipe is about 0.45m), and the soil taking pipe is used for containing soil materials in the tamping pipe. The rammed pipe is static after being rammed into a soil layer, the inside of the rammed pipe is filled with a cut soil layer, the rammed pipe is filled with soil by using a soil taking device with an internal twist drill, then soil is filled into the soil taking pipe with the diameter of about 0.45m, the whole soil taking device is taken out, and the whole soil taking device enters the rammed pipe to take soil again after the soil is poured out of the rammed pipe.

The conical drill extends into the soil sampling pipe 2 from the top end of the soil sampling pipe. The conical drill bit 12 of the soil sampling body is arranged at the lower end of the drill rod 11, the drill rod 11 is connected with the top end of the soil sampling pipe 2, and the drill rod 11 can axially move along the soil sampling pipe 2 and rotate around the axis of the drill rod 11 in the soil sampling pipe 2. When the soil sampling pipe 2 is jacked into the rammer pipe for a certain distance, the tapered drill rod 11 of the soil sampling body is moved into the soil material layer in the soil sampling pipe 2, the tapered drill bit 12 is driven by the drill rod 11 to rotate and simultaneously jacked forwards, and when the soil sampling pipe 2 is basically filled, the drill rod 11 is continuously used for dragging the soil sampling body together with the soil sampling pipe 2 back to the outside of the rammer pipe.

The process of the soil material discharged from the soil sampling body in the embodiment of the disclosure is as follows: the directional drilling machine and the soil sampling pipe 2 are arranged in the same horizontal direction, and the head of the drill rod 11 is aligned with the pipe orifice of the rammed ramming pipe; after the drill rod 11 of the directional drill is lengthened in sections, the soil sampling body and the soil sampling pipe 2 are moved to the area where the soil layer in the tamping pipe is located, and the direction is finely adjusted through a directional drill guide system; slowly pushing the soil sampling body and the soil sampling pipe 2 to the soil layer inside the tamping pipe by utilizing the thrust provided by the directional drilling machine, so that the conical drill bit 12 is contacted with the soil layer, and the soil retaining cover plate 3 is opened towards the drill rod 11 side at the moment; the torque and the thrust provided by the directional drilling machine enable the soil taking body to rotate, and soil materials are rotated into the soil taking pipe 2; the whole soil taking system is pulled to the outer side of the tamping pipe by the pulling force provided by the directional drilling machine to unload soil.

Referring to fig. 2, the cone drill 12 of the present disclosure includes a drill base 121 and a helical blade 122, wherein the helical blade 122 is fixed to the drill base 121, and the width of the helical blade 122 gradually decreases from the top end of the soil sampling pipe 2 to the bottom end of the soil sampling pipe 2, so that the helical blade 122 is in a cone shape; the helical blades 122 convey the soil in the soil sampling pipe 2.

When the soil enters the helical blade 122 along the bottom end of the helical blade 122, the helical blade 122 rotates to push the soil and the helical blade 122 to jointly generate torque, and the soil subsequently entering the helical blade 122 pushes the previous soil to move along the helical blade 122 to the top end of the helical blade 122.

Referring to fig. 1, 3 and 4, the soil sampling pipe 2 according to the embodiment of the present disclosure has a soil outlet 21 formed on a pipe wall thereof, and soil transported by the conical drill 12 is discharged from the soil outlet 21. The disclosed embodiment utilizes the helical blade 122 to transport the soil material, and when the soil material is transported to the soil outlet 21, the soil material is poured out through the soil outlet 21.

With continuing reference to fig. 1, 3 and 4, the soil sampling pipe 2 corresponding to the soil outlet 21 is provided with a plurality of frames 22, and the plurality of frames 22 are distributed along the axial direction of the soil sampling pipe; each frame 22 is fixed to the inner wall of the soil sampling pipe. The purpose of the frame 22 in the disclosed embodiment is to reinforce the soil sampling pipe 2 at the soil outlet 21. Preferably, the cross section of the frame 22 of the embodiment of the present disclosure is circular, the circular cross section is matched with the inner wall of the soil sampling pipe, and the frame 22 is preferably a steel bar frame, which is convenient for fixing the inner wall of the soil sampling pipe 2 and has the advantages of low material cost and convenient manufacture.

With continued reference to fig. 1 and 3, an openable and closable soil retaining cover plate 3 is movably disposed in the soil sampling pipe 2, and the soil retaining cover plate 3 divides the soil sampling pipe 2 into a soil side and a soil-free side; when the soil retaining cover plate 3 is closed, the conical drill bit 12 is positioned on the soil-free side of the soil taking pipe, and when the soil retaining cover plate 3 is opened, the conical drill bit 12 enters the soil layer in the rammer pipe from the soil-free side of the soil taking pipe to take soil.

This disclosed embodiment sets up in the bottom of geotome along 2 axially movable fender boards of geotome, and this fender board diameter slightly is less than 2 internal diameters of geotome to at the top welding short reinforcement of geotome, the short reinforcement blocks the extra-pipe removal of fender board to the geotome, and short reinforcement symmetrical arrangement is two sets of.

In some embodiments of the present disclosure, the inner wall of the soil sampling pipe is provided with a movable mechanism, and the movable mechanism is connected with the soil sampling pipe 2 and the soil retaining cover plate 3; the soil retaining cover plate 3 is pushed by soil materials in the soil sampling pipe 2 to move from the bottom end to the top end of the soil sampling pipe through the movable mechanism.

The movable mechanism of the embodiment of the present disclosure may be a sliding chute and sliding block mechanism, or a guide groove and guide block mechanism or a chain wheel and chain 6 mechanism, and in principle, any mechanical structure that can realize the axial reciprocating motion of the soil retaining cover plate 3 along the soil sampling pipe 2 can be referred to as the movable mechanism of the present application.

Referring to fig. 5, the soil-retaining cover plate 3 of the present disclosure is connected to the soil-taking pipe 2 via the thin rod 5, and the soil-retaining cover plate 3 rotates around the thin rod 5 to prevent the soil from inclining to the soil-free side of the soil-taking pipe.

Thin pole 5 and the geotome 2 of this disclosed embodiment are connected, and soil retaining cover plate 3 and thin pole 5 are connected, and soil retaining cover plate 3 rotates in geotome 2 around thin pole 5. Soil guard plate 3 is solid device, be connected through slender pole 5 with soil sampling pipe 2, can rotate around the junction, soil guard plate is pressed into soil sampling pipe 2 by the soil layer backpressure after whole soil sampling system gets into the soil layer in, remove out of the tube and go out the soil in-process after soil sampling device 1 and soil sampling pipe 2 dress soil, because soil sampling pipe 2 places along with ramming the pipe slant, can extrude the baffle and remove to the outside of the tube under the action of gravity in the soil sampling pipe 2 in-process that moves outward, the welding stops soil guard plate to revolute and move to the outside of the tube at orificial symmetrical arrangement short reinforcement this moment, the soil in soil sampling pipe 2 has been blockked promptly and has outwards dumped.

With continuing reference to fig. 5, the soil retaining cover plate 3 of the present disclosure includes a first cover plate and a second cover plate, and the first cover plate and the second cover plate are respectively connected to the soil sampling pipe 2; an opening and closing mechanism is arranged between the first cover plate and the second cover plate, and the opening and closing mechanism is opened or closed towards the soil-free side outside the soil sampling pipe.

Referring to fig. 5, the first cover plate and the second cover plate shown in fig. 5 are both circular, a hollow area is above the thin rod 5 of the first cover plate and the second cover plate shown in fig. 5, a solid area is below the thin rod 5 of the soil-retaining cover plate 3, and in actual use, the solid area retains soil and the hollow area is penetrated by the conical drill 12. The first cover plate and the second cover plate are both connected with the soil sampling pipe 2. When the hollow area of the first cover plate and the hollow area of the second cover plate are joined, the tapered drill rod 11 can pass through the hollow areas. Both the first and second cover plates of the disclosed embodiment may rotate about their respective thin rods 5.

According to the embodiment of the utility model, the conical drill bit 12 and the soil sampling pipe 2 of the soil sampling body are used for sampling soil from the rammer pipe which is rammed obliquely, so that the defects that manual work cannot directly sample soil in the rammer pipe with a smaller diameter, and devices such as a directional drill bit are used for sampling soil from the rammer pipe with the smaller diameter to cause damage to the devices and the like can be avoided, and the soil sampling device 1 is simple and convenient to operate, safe and efficient.

The above-listed detailed description is merely a specific description of possible embodiments of the present disclosure, and is not intended to limit the scope of the disclosure, which is intended to include within its scope equivalent embodiments or modifications that do not depart from the technical spirit of the present disclosure.

It will be evident to those skilled in the art that the disclosure is not limited to the details of the foregoing illustrative embodiments, and that the present disclosure may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the disclosure being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A soil sampling device which is obliquely rammed into a ramming pipe is jacked into the ramming pipe for soil sampling; the soil sampling device comprises a soil sampling body and a soil sampling pipe, and is characterized in that the soil sampling body comprises a drill rod and a conical drill bit, the conical drill bit is sequentially connected below the drill rod, and the bottom end of the drill rod is fixedly connected with the large end of the conical drill bit;

the conical drill bit is positioned in the soil sampling pipe, the small end of the conical drill bit is arranged close to the bottom of the soil sampling pipe, and the large end of the conical drill bit is arranged close to the top of the soil sampling pipe;

the drill rod drives the conical drill bit to rotate through torque provided by the outside, and the conical drill bit loads soil in the rammer pipe into the soil sampling pipe through rotation to finish soil sampling in the rammer pipe.

2. The soil sampling device for oblique ramming into a rammer tube according to claim 1, wherein said conical bit comprises a bit body and a helical blade, said helical blade is fixed to said bit body, and the width of said helical blade gradually decreases from the top end of said soil sampling tube to the bottom end of said soil sampling tube, so that said helical blade is conical;

the helical blade conveys soil in the soil sampling pipe.

3. The soil sampling device for obliquely tamping into a tamping tube according to claim 1 or 2, wherein the wall of the soil sampling tube is provided with a soil outlet, and soil conveyed by the conical drill bit is poured out from the soil outlet.

4. The soil sampling device for obliquely tamping into a rammer pipe according to claim 3, wherein the soil sampling pipe corresponding to the soil outlet is provided with a plurality of frames, and the frames are distributed along the axial direction of the soil sampling pipe;

each frame is fixed with the inner wall of the soil sampling pipe.

5. The soil sampling device for obliquely tamping into a rammer tube according to claim 1, wherein an openable and closable soil retaining cover plate is movably disposed in said soil sampling tube, said soil retaining cover plate dividing said soil sampling tube into a soil-containing side and a soil-free side;

when the soil retaining cover plate is closed, the conical drill bit is positioned on the soil-free side of the soil taking pipe, and when the soil retaining cover plate is opened, the conical drill bit enters the soil-taking side from the soil-free side of the soil taking pipe to take soil.

6. The soil sampling device for obliquely tamping into a rammer tube according to claim 5, wherein said soil sampling tube is provided at its inner wall with a movable mechanism connecting said soil sampling tube and said earth-retaining cover plate;

the soil retaining cover plate is pushed by soil in the soil sampling pipe to move from the bottom end to the top end of the soil sampling pipe through the movable mechanism.

7. The soil sampling device for oblique ramming into a rammer tube according to claim 5, wherein said soil retaining cover plate is connected to said soil sampling tube by a thin rod, said soil retaining cover plate rotating around the thin rod to block the soil material from inclining to the soil-free side of said soil sampling tube.

8. The device for sampling soil diagonally rammed into a rammer tube according to claim 5, wherein said earth-retaining cover plate comprises a first cover plate and a second cover plate, said first cover plate and said second cover plate being respectively connected to said soil-sampling tube;

an opening and closing mechanism is arranged between the first cover plate and the second cover plate and is opened or closed towards the soil-free side of the soil sampling pipe.

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