CN219365945U - Sampling drill rod for geological exploration - Google Patents

Abstract

The utility model relates to a sampling drill rod for geological exploration, which comprises a handle and a drill bit, wherein the handle is connected to the drill bit, the sampling drill rod further comprises a plurality of drill bodies, the drill bit and the drill bodies are of hollow structures, spiral teeth are arranged on the drill bit and the drill bodies, drilling teeth matched with each other are arranged at the bottom of the drill bit, the drilling teeth are arranged in a staggered mode, the handle is connected with the drill bit through a compiling body, the handle is detachably connected with the drill bodies, and the drill bodies and the drill bit and the drill bodies are detachably connected. When the drill bit is used for downwards drilling and sampling, if the depth of drilling and sampling needs to be increased, only the handle needs to be removed, a new drill body is installed at the top of the drill body, drilling can be carried out after the handle is continuously installed, a drill rod is not required to be replaced after the drill bit is pulled out, the drilling efficiency is greatly improved, drill rod damage caused by repeated pulling and inserting of the drill rod can be avoided, the use is convenient, and the application range is improved.

Description

Sampling drill rod for geological exploration

Technical Field

The utility model relates to the field of exploration equipment, in particular to a sampling drill rod for geological exploration.

Background

In the geological exploration process, the earth surface is often required to be drilled and sampled to ascertain the stratum structure, so that the next detection or construction is planned in detail to ensure the detection or construction efficiency and safety.

The existing drilling sampling equipment is mostly provided with sampling drill pipes, wherein the sampling drill pipes are of hollow structures, handles are arranged at the tops of the sampling drill pipes, the sampling drill pipes can be rotated through the handles and pushed downwards, the sampling drill pipes are drilled into positions to be detected, and soil or rock stratum stretching out of stratum can be brought out of the drilling holes of the sampling drill pipes after the sampling drill pipes are pulled out. However, the length of the sampling drill rod is limited, and if the sampling depth needs to be increased, the longer sampling drill rod needs to be replaced, and if the longer sampling drill rod is directly used, the initial drilling operation is difficult to continue by holding the handle.

Therefore, a new type of sampling drill pipe for geological exploration is needed to solve the above problems.

Disclosure of Invention

One purpose of the utility model is to solve the problem that the existing sampling drill rod for geological exploration cannot adapt to the requirement of deep drilling.

According to one aspect of the utility model, a sampling drill rod for geological exploration is provided, and the sampling drill rod comprises a handle and a drill bit, wherein the handle is connected to the drill bit, the sampling drill rod further comprises a plurality of drill bodies, the drill bit and the drill bodies are of hollow structures, spiral teeth are arranged on the drill bit and the drill bodies, drilling teeth which are matched with each other are arranged at the bottom of the drill bit, the drilling teeth are arranged in a staggered mode, the handle is connected with the drill bit through a compiling body, the handle is detachably connected with the drill bodies, and the drill bodies and the drill bit and the drill bodies are detachably connected.

Through this scheme, the drill bit is when down boring the sample, if the degree of depth that needs to increase drilling the sample, only need demolish the handle, at the top installation new brill body of boring the body, continue to install behind the handle creep into can, need not to extract the back change drilling rod, not only improved drilling efficiency greatly, can avoid repeatedly pulling out the drilling rod damage that the drilling rod caused moreover, made things convenient for the use, improved application scope.

Preferably, the top end of the drill bit and the top end of the drill body are both provided with connecting holes which are axially arranged, the bottom end of the drill body is provided with connecting parts matched with the connecting holes, and the connecting parts are inserted into the connecting holes to connect the previous drill body or drill bit; and a jacking bolt is arranged perpendicular to the connecting hole and used for jacking the connecting part.

According to the scheme, after the connecting part is inserted into the connecting hole, the connecting part is tightly pressed by the pressing bolt, so that the connection and the disassembly are very convenient; and can connect between the arbitrary drilling rod, and arbitrary drilling rod can all be connected with drill bit or handle.

Preferably, the connecting portion is a hollow polygon prism, and the connecting hole is a polygon prism hole matched with the connecting portion.

Through this scheme, improve the fixed effect between connecting portion and the connecting hole, avoid torsion too big to cause the jack bolt to slide or fracture.

Preferably, the drill bit further comprises a core rod penetrating through the hollow structures of the drill body and the drill bit and being in clearance fit with the hollow structures.

Through this scheme, at the in-process of boring, hollow structure in the middle of the core bar can shutoff to conveniently bore, take out the core bar again after reaching appointed degree of depth, continue to bore into the sample, avoid the earth of a plurality of bottom to mix and influence the sampling accuracy.

Preferably, the bottom end of the core rod is a conical drilling head.

Through this scheme, the resistance that is favorable to reducing in the drilling process of the setting of drilling head improves and drills the convenience.

The device has the technical effects that the device is simple in structure and convenient to use, the length of the sampling drill rod can be increased according to the geological exploration requirement, and the sampling drill rod does not need to be replaced, so that the exploration efficiency is improved, drill rod damage and sample scattering caused by frequent plugging and unplugging of the sampling drill rod are avoided, and the device is suitable for various sampling depths.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic diagram of a sampling drill pipe for geological exploration according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the drill body and the drill bit in fig. 1.

Fig. 3 is a schematic view of the structure of the handle of fig. 2.

Fig. 4 is a schematic view of the core pin of fig. 2.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Examples: as shown in fig. 1 to 4, the sampling drill rod for geological exploration in this embodiment includes a handle 200 and a drill bit 100, the handle 200 is connected to the drill bit 300, and further includes a plurality of drill bodies 300, the drill bit 100 and the drill bodies 300 are hollow structures, spiral teeth 001 are respectively provided on the drill bit 100 and the drill bodies 300, drilling teeth 110 which are mutually matched are provided at the bottom of the drill bit 100, the drilling teeth 110 are mutually staggered, the handle 200 is connected with the drill bit 100 through the drill bodies 300, the handle 200 is detachably connected with the drill bodies 100, and the drill bodies 300 and the drill bit 100 and the drill bodies 300 are detachably connected.

Through this scheme of this embodiment, drill bit 100 is when down boring the sample, if need increase the degree of depth of drilling the sample, only need demolish handle 200, at the top installation new brill body 300 of brill body 300, continue to install behind handle 200 creep into can, need not to extract the back and change the drilling rod, not only improved drilling efficiency greatly, can avoid the drilling rod damage that the repeated plug drilling rod caused moreover, made things convenient for the use, improved application scope.

In this embodiment or other embodiments, the top end of the drill bit 100 and the top end of the drill body 300 are both provided with connection holes 002 that are axially arranged, the bottom end of the drill body 300 is provided with connection parts 003 that are matched with the connection holes 002, the connection parts 003 are inserted into the connection holes 002 to connect the previous drill body 300 or drill bit 100, and the middle of the bottom of the handle 200 is provided with connection parts 003 that can be connected with the connection holes 002 on the drill body 300 or drill bit 100; a tightening bolt (not shown) for tightening the connection portion 003 is provided perpendicularly to the connection hole 002.

After the connecting part 003 is inserted into the connecting hole 002, the connecting part is tightly pressed by a pressing bolt, and the connection and the disassembly are very convenient; but also enables connection between any drill rods 300, and any drill rods 300 can be connected with the drill bit 100 or the handle 200.

In this embodiment or other embodiments, the connection portion 003 is a hollow polygon prism, and the connection hole 002 is a polygon prism hole matching the connection portion 003. The fixing effect between the connecting part 003 and the connecting hole 002 is improved, and the problem that the tightening bolt slides or breaks due to overlarge torsion is avoided.

In this or other embodiments, the core rod 400 is further included, and the core rod 400 penetrates through the hollow structure of the drill body 300 and the drill bit 100 and is in clearance fit with the hollow structure. In the drilling process, the core rod 400 can be used for plugging the middle hollow structure so as to facilitate drilling, and when the specified depth is reached, the core rod 400 is pulled out again, and the drilling and sampling are continued, so that the influence of soil mixing of a plurality of bottom layers on the sampling precision is avoided.

A pull ring is provided at the top of the core bar 400, which can facilitate the pulling operation of the core bar 400.

In this or other embodiments, the bottom end of the core rod 400 is a conical drill bit 410. The provision of the drill head 410 helps to reduce drag during drilling and improve drilling convenience.

The technical effect of this embodiment lies in, this device simple structure, convenient to use can increase the length of sampling drill rod according to geological prospecting's needs, need not to change the sampling drill rod to improved exploration efficiency, avoided the drilling rod damage and the sample scattering that frequent plug sampling drill rod caused, be fit for various sampling depth and use.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (2)

1. The utility model provides a geological exploration is with sample drilling rod, includes handle and drill bit, the handle is connected to on the drill bit, its characterized in that still includes a plurality of bores the body, the drill bit with it is hollow structure to bore the body, the drill bit with it all is provided with spiral tooth to bore on the body, the bottom of drill bit is provided with the drilling tooth of mutually supporting, it is mutual staggered to bore the tooth, the handle through bore the body with the drill bit links, the handle with bore the body and can dismantle the connection, bore between the body and the drill bit with it can dismantle the connection to bore between the body; the top end of the drill bit and the top end of the drill body are both provided with connecting holes which are axially arranged, the bottom end of the drill body is provided with connecting parts which are matched with the connecting holes, and the connecting parts are inserted into the connecting holes to connect the previous drill body or drill bit; a jacking bolt is arranged perpendicular to the connecting hole and is used for jacking the connecting part; the connecting part is a hollow polygon prism, and the connecting hole is a polygon prism hole matched with the connecting part; the drill bit further comprises a core rod, wherein the core rod penetrates through the drill body and the hollow structure of the drill bit and is in clearance fit with the hollow structure.

2. The drill pipe of claim 1, wherein the core rod has a conical drill head at its bottom end.