CN216788309U

CN216788309U - Simple drilling device for geological mineral exploration

Info

Publication number: CN216788309U
Application number: CN202220062992.0U
Authority: CN
Inventors: 黄坤朋; 徐然
Original assignee: Shandong Lunan Geological Engineering Survey Institute of Second Geological Brigade of Shandong Geological Survey Bureau
Current assignee: Shandong Lunan Geological Engineering Survey Institute of Second Geological Brigade of Shandong Geological Survey Bureau
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-06-21
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to the technical field of geological exploration drilling equipment, in particular to a simple drilling device for geological mineral exploration. According to the utility model, the diameter expanding part is arranged at the bottom end of the sampling cylinder, the mounting groove and the movable nail are arranged in the diameter expanding part, the spring is used for giving the turning thrust to the movable nail, the tip end of the movable nail is upwards and obliquely extended into the sampling cylinder, and a barb hooking acting force is given to the sample core in the sampling cylinder, so that the sample core is kept in the sampling cylinder, the broken core is prevented from sliding down from the sampling cylinder, the sampling cylinder and a drill bit are not required to be replaced, and the broken core is more efficiently and conveniently taken out.

Description

Simple drilling device for geological mineral exploration

Technical Field

The utility model relates to the technical field of geological exploration drilling equipment, in particular to a simple drilling device for geological mineral exploration.

Background

Portable simple and easy drilling equipment is a equipment commonly used in geological and mineral exploration operation, and the steam generator has a simple structure, conveniently carry and the characteristics of use, be applicable to outdoor geological exploration sample operation, among the prior art, when getting the core behind the drilling operation, if meet disconnected core, fall the condition such as core, need propose the drill bit in advance, take out complete rock core back in the drill bit, change under the slightly little model drill bit hole utilize drill bit incisor to bite down and drop at downthehole rock core and propose, complex operation and inefficiency, it is necessary to improve it, with the convenience of reinforcing coring work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art in the background art and provide a simple drilling device for geological mineral exploration.

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

a simple drilling device for geological mineral exploration comprises a rack, a drilling machine body arranged on the rack and a sampling cylinder arranged at the output shaft end of the drilling machine body, wherein the bottom end of the sampling cylinder is provided with an expanding part, the bottom of the expanding part is in threaded connection with a drill bit, a mounting groove communicated with the inside of the sampling cylinder is formed in the expanding part, a movable nail is rotatably connected in the mounting groove through a pin shaft, the bottom end of the movable nail is integrally provided with a pressing handle, a spring is arranged between the bottom of the pressing handle and the bottom of the mounting groove, the top of the expanding part is provided with a vertical hole, and a threaded rod is in threaded connection with the inside of the vertical hole.

Preferably, the inside of mounting groove just is located the activity nail and is provided with limit baffle between the pressure handle, the contained angle between activity nail and the pressure handle is 90 degrees.

Preferably, the number of the mounting grooves is at least two, and the mounting grooves are distributed along the inside of the diameter-expanding part at equal angles.

Preferably, the length of the threaded rod is greater than the depth of the mounting groove, and a handle portion is arranged at the top end of the threaded rod.

Preferably, the number of the vertical holes is equal to that of the mounting grooves, and the vertical holes are positioned right above the mounting grooves.

The utility model has at least the following beneficial effects:

through set up the hole enlargement portion in the sampling tube bottom, and set up mounting groove and activity nail structure in the hole enlargement portion, utilize the spring to give activity nail upset thrust after removing the restriction of threaded rod to pressing the handle, make the pointed end of activity nail stretch into the sampling tube to the top slope, give the effort that a barb in the sampling tube colluded tightly, make the appearance core keep in the sampling tube, can avoid disconnected core landing from the sampling tube, take out disconnected core from the sample hole, compare prior art, need not to carry out the change operation of sampling tube and drill bit, only need rotate the threaded rod and make its upwards promote the back and stretch into the sample hole again with the sampling tube and take a sample, make the disconnected core taking out operation to probing sampling in-process more high-efficient and convenient.

Drawings

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

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a sampling tube structure according to the present invention;

fig. 3 is a partial enlarged view of the utility model at a in fig. 2.

In the figure: 1. a frame; 2. a drilling rig body; 3. a sampling tube; 4. a drill bit; 5. mounting grooves; 6. a movable nail; 7. pressing the handle; 8. a spring; 9. vertical holes; 10. a threaded rod; 11. and a limiting baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-3, a simple drilling device for geological mineral exploration comprises a frame 1, a drilling machine body 2 arranged on the frame 1 and a sampling cylinder 3 arranged at the output shaft end of the drilling machine body 2, wherein the bottom end of the sampling cylinder 3 is provided with an expanding part, the bottom of the expanding part is in threaded connection with a drill bit 4, the inside of the expanding part is provided with a mounting groove 5 communicated with the inside of the sampling cylinder 3, the inside of the mounting groove 5 is rotatably connected with a movable nail 6 through a pin shaft, the bottom end of the movable nail 6 is integrally formed with a pressing handle 7, a spring 8 is arranged between the bottom of the pressing handle 7 and the bottom of the mounting groove 5, the top of the expanding part is provided with a vertical hole 9, the inside of the vertical hole 9 is in threaded connection with a threaded rod 10, and the vertical hole 9 is a threaded hole.

The scheme has the following working processes:

when in use, if a broken core slips out of the sampling cylinder 3 in the drilling and sampling process, the drilling machine body 2 is lifted along the frame 1, the sampling cylinder 3 is lifted out of a sampling hole, the threaded rod 10 of the diameter expanding part of the sampling cylinder 3 is rotated, the threaded rod 10 is lifted in the vertical hole 9, the limitation on the pressing handle 7 is removed after the bottom end of the threaded rod 10 is lifted, the pressing handle 7 and the movable nail 6 are pushed to turn over under the action of the spring 8, the tip of the movable nail 6 extends upwards into the sampling cylinder 3, the drilling machine body 2 is descended along the frame 1 again, the sampling cylinder 3 extends into the sampling hole again, under the action of the spring 8 and the dead weight of the broken core, the tip of the movable nail 6 forms a barb to hook the side surface of the broken core, so as to avoid the broken core from slipping from the sampling cylinder 3, the broken core sampling hole is turned over the threaded rod 10 after the broken core is lifted, the pressing handle 7 is pressed down, and the movable nail 6 is turned over into the mounting groove 5, the broken core can be taken out from the sampling cylinder 3.

Further, the inside of mounting groove 5 just is located movable nail 6 and is provided with limit baffle 11 between pressing handle 7, and movable nail 6 and the contained angle of pressing between handle 7 are 90 degrees, and limit baffle 11 is spacing for the upset movable angle who presses handle 7, guarantees to press the below that 7 ends of handle are located perpendicular hole 9.

Further, at least two mounting grooves 5 are provided, and the mounting grooves 5 are distributed at equal angles along the inside of the diameter-expanded portion.

Further, the length of the threaded rod 10 is greater than the depth of the mounting groove 5, and the top end of the threaded rod 10 is provided with a handle part, and the length of the handle part is not greater than the difference between the diameter-expanding part and the sampling tube 3.

Further, the number of the vertical holes 9 is equal to the number of the mounting grooves 5, and the vertical holes 9 are positioned right above the mounting grooves 5.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A simple drilling device for geological mineral exploration comprises a frame (1), a drilling machine main body (2) arranged on the frame (1) and a sampling cylinder (3) arranged at the output shaft end of the drilling machine main body (2), it is characterized in that the bottom end of the sampling cylinder (3) is provided with an expanding part, the bottom of the expanding part is connected with a drill bit (4) through a screw thread, the inside of the diameter expanding part is provided with an installation groove (5) communicated with the inside of the sampling cylinder (3), a movable nail (6) is rotatably connected inside the mounting groove (5) through a pin shaft, a pressing handle (7) is integrally formed at the bottom end of the movable nail (6), a spring (8) is arranged between the bottom of the pressing handle (7) and the bottom of the mounting groove (5), the top of the diameter expanding part is provided with a vertical hole (9), and a threaded rod (10) is connected with the internal thread of the vertical hole (9).

2. The simple drilling device for geological mineral exploration, according to claim 1, wherein a limit baffle (11) is arranged inside the installation groove (5) and between the movable nail (6) and the pressing handle (7), and the included angle between the movable nail (6) and the pressing handle (7) is 90 degrees.

3. The simplified drilling apparatus for geological mineral exploration according to claim 1, wherein at least two installation slots (5) are provided, and the installation slots (5) are equiangularly distributed along the inside of the enlarged diameter portion.

4. The simplified drilling apparatus for geological mineral exploration, according to claim 1, wherein the length of said threaded rod (10) is greater than the depth of the installation channel (5), and the top end of the threaded rod (10) is provided with a handle portion.

5. The simplified drilling rig for geological mineral exploration, according to claim 1, characterized in that the number of vertical holes (9) is equal to the number of installation slots (5) and vertical holes (9) are located directly above installation slots (5).