CN211144379U

CN211144379U - Rock core drill bit for solid mineral exploration

Info

Publication number: CN211144379U
Application number: CN201921835227.2U
Authority: CN
Inventors: 高存山
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-31
Anticipated expiration: 2029-10-29

Abstract

The utility model relates to the technical field of mineral exploration equipment, and discloses a rock core drill bit for solid mineral exploration, which comprises a connecting piece, wherein one end of the connecting piece is fixedly provided with a drill bit, the inside of the drill bit is provided with a rock hole, the other end of the connecting piece is movably provided with a rock core outer tube, the surface of one end of the rock core outer tube, which is connected with the connecting piece, is provided with a screw thread, a rock core inner tube is movably sleeved in the screw thread, the inside of the rock core outer tube is provided with an outer tube clamping groove, the rock core inner tube is fixedly provided with an inner tube convex strip, the rock core drill bit for solid mineral exploration is novel in design, the rock core inner tube is arranged in the rock core outer tube, so that the rock core tube does not need to be knocked again in the rock core taking process, the rock core is prevented from being damaged, the, the operation is simpler and more complete.

Description

Rock core drill bit for solid mineral exploration

Technical Field

The utility model relates to a mineral exploration equipment technical field specifically is a solid rock core drill bit for mineral exploration.

Background

Core drilling is an exploration means commonly adopted by solid mineral geological exploration, a cylindrical drill bit and a drilling tool annularly crush rock along the circumference at the bottom of a hole, a columnar core is reserved at the central part of the bottom of the hole, and the core is taken out from the hole to research the conditions of geology and mineral products, so the core drilling is called core drilling; by the device, various properties of rocks can be measured, underground structures and rock deposition environments can be intuitively researched, and the properties of fluids in the underground structures and the rock deposition environments can be known; in the process of mineral exploration and development, drilling work needs to be carried out according to the stratum horizon and the depth of geological design, a coring tool is put into a well, a rock sample is drilled, and a rock core is the most intuitive and practical information for knowing underground stratum and mineral-containing characteristics.

Be fixed connection between current rock core drill bit and the core pipe, not good dismantlement, and the process of coring is inconvenient, and the incomplete utilization that is unfavorable for the later stage of rock core that takes out.

SUMMERY OF THE UTILITY MODEL

Not enough to current mineral exploration equipment, the utility model provides a rock core drill bit for solid mineral exploration possesses convenient to detach, the complete advantage of coring, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a rock core drill bit for solid mineral exploration, includes the connecting piece, the one end fixed mounting of connecting piece has the drill bit, the rock bore has been seted up to the inside of drill bit, the other end movable mounting of connecting piece has the rock core outer tube, the surface that rock core outer tube and connecting piece are connected one end is seted up threadedly, the rock core inner tube has been cup jointed in the screw thread internalization, the outer tube draw-in groove has been seted up to the inside of rock core outer tube, fixed mounting has the inner tube sand grip on the rock core inner.

Preferably, the number of the outer tube clamping grooves is two, and the outer tube clamping grooves are located in corresponding positions inside the outer tube of the rock core.

Preferably, the core inner tubes are two in total and are semicircular, and the tube peripheries in the two core inner tubes are circular.

Preferably, the number of the inner pipe convex strips is two, and the size of the positions of the two outer pipe clamping grooves is matched with the position and the size of the inner pipe convex strips.

Preferably, the rock hole is communicated with the interior of the outer core tube, and the inner diameter of the rock hole is consistent with that of the inner core tube.

Preferably, two the contactless between the rock core inner tube, the outer tube draw-in groove joint installation in inner tube sand grip and the rock core outer tube on the rock core inner tube.

With current mineral exploration equipment contrast, the utility model discloses possess following beneficial effect:

1. this rock core drill bit for solid mineral exploration through set up the screw thread on the rock core outer tube, with rock core outer tube and connecting piece threaded connection, the connecting piece again with drill bit fixed connection, dismantle more convenient of change drill bit, the practicality is stronger.

2. This rock core drill bit for solid mineral exploration through the internally mounted rock core inner tube at the rock core outer tube for need not beat the rock core pipe again at the in-process of coring, avoided damaging the rock core, utilize appurtenance to take out whole rock core inner tube from the rock core outer tube from one end, can obtain complete rock core, operate more simple and convenient and more complete.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic overall perspective view of the core barrel of the present invention;

FIG. 3 is an enlarged view of the whole part of the core barrel of the structure of the present invention;

fig. 4 is a schematic perspective view of the inner tube of the core of the present invention;

fig. 5 is a partially enlarged schematic view of the outer tube of the core according to the present invention;

fig. 6 is the utility model discloses the local enlarged schematic diagram of structure rock core inner tube.

In the figure: 1. a connecting member; 2. a drill bit; 3. drilling a rock hole; 4. a core outer tube; 5. a thread; 6. a core inner tube; 7. an outer tube clamping groove; 8. and (4) carrying out inner pipe convex strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-6, a core drill bit for solid mineral exploration, including connecting piece 1, the one end fixed mounting of connecting piece 1 has drill bit 2, the diameter of drill bit 2 is far greater than connecting piece 1 and core outer tube 4, the inside of drill bit 2 has seted up rock bore 3, the inside screw thread 5 that has seted up of the other end of connecting piece 1, the other end of connecting piece 1 passes through screw thread 5 and core outer tube 4 threaded connection, the surface of core outer tube 4 and the connecting piece 1 one end of being connected has seted up screw thread 5, core inner tube 6 has been cup jointed in the activity of screw thread 5, outer tube draw-in groove 7 has been seted up to the inside of core outer tube 4, fixed mounting has.

Wherein, outer tube draw-in groove 7 is total two, and is located the inside corresponding position of rock core outer tube 4, and position symmetry installs more stably.

Wherein, two total core inner tubes 6, and be the semicircular in shape, two core inner tubes 6 enclose for circular, better cup joint with in the core outer tube 4.

Wherein, the inner tube sand grip 8 is total two, and the size of the position of two outer tube draw-in grooves 7 and the position and the size phase-match of inner tube sand grip 8, the fixed rock core inner tube 6 of being convenient for avoids the activity of rock core inner tube 6 to the influence of boring the coring.

Wherein, the inside of rock bore 3 and rock core outer tube 4 communicates with each other, and the internal diameter of rock bore 3 is unanimous with the internal diameter of rock core inner tube 6, makes things convenient for the extraction of rock core.

Wherein, contactless between two rock core inner tubes 6, the installation of the 7 joints of outer tube draw-in groove in inner tube sand grip 8 on the rock core inner tube 6 and the rock core outer tube 4, the narrow and small space between 6 in the rock core inner tube is convenient for take out the rock core more completely when taking out rock core inner tube 6 in the rock core outer tube 4.

The working principle is as follows: during the use, with the installation such as the free end of rock core outer tube 4 and drilling machine together, rock core outer tube 4, connecting piece 1 and drill bit 2 rotate in the subsurface, 2 diameters of drill bit are far greater than rock core outer tube 4, drill bit 2 can break the rock on every side at the in-process that descends, the rock core is left in the position of 3 straight-through rock core inner tubes 6 in rock cavern, after the probing, dismantle connecting piece 1 and rock core outer tube 4, push into along the one end of rock core outer tube 4 through appurtenance, release rock core inner tube 6, can take out complete rock core.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a core bit for solid mineral exploration, includes connecting piece (1), its characterized in that: the drill bit is characterized in that a drill bit (2) is fixedly mounted at one end of a connecting piece (1), a rock hole (3) is formed in the drill bit (2), a rock core outer tube (4) is movably mounted at the other end of the connecting piece (1), threads (5) are formed in the surface of one end, connected with the connecting piece (1), of the rock core outer tube (4), a rock core inner tube (6) is sleeved in the threads (5) in a movable mode, an outer tube clamping groove (7) is formed in the inner portion of the rock core outer tube (4), and an inner tube convex strip (8) is fixedly mounted on the rock core.

2. The core bit for solid mineral exploration, according to claim 1, wherein: the outer tube clamping grooves (7) are two in number and are located in corresponding positions inside the core outer tube (4).

3. The core bit for solid mineral exploration, according to claim 1, wherein: the core inner tubes (6) are two in total and are semi-annular, and the two core inner tubes (6) are circular in circumference.

4. The core bit for solid mineral exploration, according to claim 1, wherein: the inner tube sand grip (8) is totally two, and the size of the position of the two outer tube clamping grooves (7) is matched with the position and the size of the inner tube sand grip (8).

5. The core bit for solid mineral exploration, according to claim 1, wherein: the rock hole (3) is communicated with the interior of the outer rock core pipe (4), and the inner diameter of the rock hole (3) is consistent with that of the inner rock core pipe (6).

6. The core bit for solid mineral exploration, according to claim 1, wherein: and the two core inner pipes (6) are not in contact with each other, and inner pipe convex strips (8) on the core inner pipes (6) are clamped and installed with outer pipe clamping grooves (7) in the core outer pipes (4).