CN211347463U

CN211347463U - Drilling sampling positioning device

Info

Publication number: CN211347463U
Application number: CN201922157390.4U
Authority: CN
Inventors: 黄书岭; 丁秀丽; 秦洋; 张雨霆; 高志扬
Original assignee: Changjiang River Scientific Research Institute Changjiang Water Resources Commission
Current assignee: Changjiang River Scientific Research Institute Changjiang Water Resources Commission
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-25
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a drilling sampling positioning device, which comprises a drilling positioning turntable and a fixed base, wherein the drilling positioning turntable is in a ring shape, drill bit positioning holes with equidistant axes parallel to the axis of the ring are distributed on the drilling positioning turntable, and the outer side wall of the drilling positioning turntable is provided with a mounting synapse of a restraining bolt; the fixed base comprises a circular base wall and a fixed foot seat fixedly connected with the outer side of the base wall, and the drilling positioning rotary table is arranged on the inner side of the base wall; the wall of the base is provided with a connecting groove, a limiting hole is arranged below the connecting groove, and the limiting hole consists of two mutually communicated hole sites; an inhibition bolt mounting synapse of the drilling positioning turntable penetrates through the limiting hole, and is embedded in one hole position of the limiting hole through a turntable rotation inhibition bolt mounted at the front end of the inhibition bolt mounting synapse; the fixing base is internally provided with a fixing bolt. The utility model discloses can realize the drilling location sample to solve in the rock mass or the rock mass and spout the problem that the sample was driped a hole to the layer cementation position.

Description

Drilling sampling positioning device

Technical Field

The utility model relates to a rock mechanics tests technical field, specifically indicates a drilling sample positioner.

Background

The indoor test is a main means for researching the physical and mechanical properties of the rock material, and the physical and mechanical properties of the rock material have important guiding significance on engineering practice. The physical and mechanical properties of the rock material can be effectively researched through indoor tests. The strength and deformation parameters of the rock can be effectively ascertained through indoor tests, and the method has great significance for the design and construction of geotechnical engineering. The natural environment of the rock mass is complex, which is not beneficial to the field in-situ test, and the economic cost is high when the field in-situ test is carried out, so that the indoor test after the rock sample is obtained on the field is an effective means for researching the physical and mechanical properties of the rock.

The drilling sampling is a main means for sampling rocks, but when the drilling sampling is applied to weak rocks and weak cementing structural surfaces in the rocks, when a drill bit drills, sawtooth cutting at the front end of the drill bit brings vibration and torsional load to rock samples in the drill bit, and the hole wall of the drill bit also brings torsional load to the rock samples in the drill bit in the rotating process, so that the rock samples in the drill bit are broken at some weak cementing structural surfaces, the sampling is difficult, and the sampling rate is very low.

Disclosure of Invention

An object of the utility model is to overcome prior art's weak point, and provide a drilling sample positioner, can realize the drilling sample of perturbation to solve in the rock mass or the rock mass and spout the problem that the sample was carried out to layer cementation position.

In order to achieve the above object, the utility model relates to a drilling sampling positioning device, which comprises a drilling positioning turntable and a fixed base, and is characterized in that the drilling positioning turntable is in a ring shape, drill bit positioning holes with equidistant axes parallel to the axis of the ring are distributed on the drilling positioning turntable, and a stop bolt mounting synapse is arranged on the outer side wall; the fixed base comprises a circular base wall and a fixed foot seat fixedly connected with the outer side of the base wall, and the drilling positioning rotary table is arranged on the inner side of the base wall; the base wall is provided with a connecting groove, a limiting hole is arranged below the connecting groove, and the limiting hole consists of two mutually communicated hole sites; the inhibition bolt mounting synapse of the drilling positioning turntable penetrates through the limiting hole, and is embedded in one hole position of the limiting hole through the turntable rotation inhibition bolt mounted at the front end of the inhibition bolt mounting synapse; and a fixing bolt is arranged in the fixing foot seat of the fixing base.

Furthermore, the outer wall of the drilling positioning turntable is also provided with a plurality of connecting synapses, the connecting synapses and the installation synapses of the inhibition bolts are uniformly distributed, the position on the base wall corresponding to the connecting synapses is also provided with a connecting groove and a limiting hole, and the limiting hole consists of two hole positions which are mutually communicated.

Furthermore, the rotating disc rotation inhibiting bolt consists of a bolt shell wall and a spring, wherein the bolt shell wall is a hollow cylinder, one end of the bolt shell wall is provided with an opening, and the spring is positioned inside the bolt shell wall and sleeved at the front end of the synapse of the inhibiting bolt.

Furthermore, the fixing foot seat is provided with a hole along the axis, the inner wall of the hole is provided with a thread, an adjusting bolt is arranged below the hole, and the fixing bolt penetrates through the hole of the fixing foot seat and the through hole of the adjusting bolt to fix the fixing base on the surface of the rock mass.

Furthermore, the wall thickness D between the adjacent drill positioning holes is smaller than the drill positioning diameter D.

Furthermore, the nut of the adjusting bolt is hemispherical, is provided with a hole along the central axis and is arranged on the inner wall of the fixed foot seat.

Furthermore, the fixed foot seats are uniformly distributed on the outer side of the base seat wall.

Compared with the prior art, the utility model discloses a drilling sample positioner fixes on waiting to take a sample rock mass surface through with a drilling sample positioner, follows handheld electric drill the drill bit locating hole drills the rock mass respectively, rotatory drilling location carousel then utilizes handheld electric drill to follow at last the drill bit locating hole carries out compound drilling to the rock mass respectively, realizes separating cylindrical rock specimen under the perturbation condition inside complete rock mass. To the condition that rock mass surface has undulation slightly, accessible turn knob adjusting bolt finely tunes the fixed baseplate and makes level, need not to carry out flattening in advance to the work plane.

Drawings

Fig. 1 is an overall structure diagram of a drilling sampling positioning device of the present invention;

wherein, 1-location carousel, 2-fixed baseplate, 3-carousel rotation restrain bolt, 4-adjusting bolt, 5-fixing bolt.

FIG. 2 is an exploded view of the positioning device for drilling sampling of the present invention;

the structure comprises 11 parts of a turntable wall, 12 parts of a drill positioning hole, 13 parts of a connecting synapse, 14 parts of a restraining bolt mounting synapse, 21 parts of a base wall, 22 parts of a fixing pin, 211 parts of a connecting groove and 212 parts of a limiting hole.

FIG. 3 is an internal construction view of the rotation-inhibiting bolt of FIG. 1;

wherein, 31-the bolt shell wall, 32-the spring.

FIG. 4 is a view showing the internal structure of the connection of the fixing foot, the fixing bolt and the adjusting bolt of FIG. 1;

FIG. 5 is a partial schematic view of the coupler slot of FIG. 1;

wherein, 2121 is a hole site, and 2122 is a hole site.

FIG. 6 is a partial schematic view of the spacing hole of FIG. 1;

fig. 7 is a flowchart of an implementation method of the present invention.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1, the utility model provides a drilling sample positioner, including drilling location carousel 1, fixed baseplate 2, the rotatory restraint bolt 3 of carousel, fixing bolt 5, adjusting bolt 4.

As shown in FIG. 2, the drill positioning disk 1 is composed of a disk wall 11, a drill positioning hole 12, a connecting synapse 13 and a pin-holding synapse 14. The drilling positioning rotary table 1 is in a circular ring shape, drill positioning holes 12 with equal intervals and axes parallel to the axis of the circular ring are distributed on the drilling positioning rotary table, and the wall thickness D between adjacent holes of the drill positioning holes 12 is smaller than the drill positioning diameter D. The outer side wall is provided with a tumbler mounting synapse 14 and two connecting synapses 13, the connecting synapses 13 and the tumbler mounting synapses 14 being evenly distributed outside the turntable wall 11.

As shown in fig. 3, the fixed base 2 is composed of a circular base wall 21 and three fixed bases 22 fixed on the outer side of the base wall, and the drilling positioning rotary table 1 is arranged on the inner side of the base wall 21. The base wall 21 is provided with a connecting groove 211 and a limiting hole 212, and the limiting hole 212 is located below the connecting groove 211 and communicated with the connecting groove 211. The limiting hole 212 is formed by two communicating hole sites, namely a first hole site 2121 and a second hole site 2122. The connection synapse 13 and the inhibition bolt mounting synapse 14 of the drilling positioning turntable 1 respectively pass through a limiting hole 212, and the inhibition bolt mounting synapse 14 is embedded in a hole position of the limiting hole 212 through the turntable rotation inhibition bolt 3 arranged at the front end; the connection synapse 13 is embedded in a hole site on the same side of the hole 212, and the pin-mounting synapse 14 and the connection synapse 13 are inhibited to stabilize the device during the drilling operation. Each fixing foot seat 22 is internally provided with a fixing bolt 5, the fixing foot seats 22 are provided with holes along the axis, the inner wall of each hole is carved with threads, an adjusting bolt 4 is arranged below each hole, and the fixing bolts 5 penetrate through the holes of the fixing foot seats 22 and the through holes of the adjusting bolts 4 to fix the fixing base 2 on the surface of a rock mass.

As shown in fig. 4, the turntable rotation inhibiting bolt 3 is composed of a bolt housing wall 31 and a spring 32, and is installed at the front end of the inhibiting bolt installation synapse 14, the bolt housing wall 31 is a hollow cylinder with an opening at one end, and the spring 32 is located inside the bolt housing wall 31 and sleeved at the front end of the inhibiting bolt installation synapse 14.

As shown in fig. 5, the adjusting bolt 4 has a hemispherical shape, and is formed with a hole along the central axis and mounted on the inner wall of the fixing base 22. The fixing bolt 5 passes through the hole of the fixing foot seat 22 and the through hole of the adjusting bolt 4 to fix the fixing base 2 on the rock surface.

In operation, a method for implementing a borehole sampling positioning device comprises the following steps:

1) installation: selecting a sampling part, determining the positions of mounting hole sites of the three fixing foot seats 22 on the surface of a rock wall to be sampled, drilling holes by adopting a handheld electric drill, and respectively arranging self-tapping screw expansion pipes in the three mounting holes; the fixing bolt 5 is fastened through a knob, the device is fixed on the surface of the rock wall to be sampled, and the leveling and fastening are further carried out on the device through the knob of the adjusting bolt 4;

2) primary drilling: the rotary table rotation restraining bolt 3 is rotated to a first hole position 2121 of the limiting hole 212, and a handheld electric drill is adopted to perform primary drilling on the rock wall to be sampled sequentially and respectively along the drill bit positioning hole 12 on the drilling positioning rotary table 1;

3) adjusting and positioning hole positions: the rotating disc is pulled to rotate the restraining bolt 3, the restraining bolt 3 is rotated from the first hole position 2121 of the limiting hole 212 to the second hole position 2122, and the rotating disc is loosened to enable the restraining bolt 3 to be clamped on the second hole position 2122;

4) drilling and disassembling again: and (3) adopting a handheld electric drill to drill the rock wall to be sampled respectively along the drill bit positioning holes 12 on the drilling positioning rotary table 1 in sequence, and detaching the device after the drilling is finished.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the patent solution and not for limiting, and those skilled in the art should understand that the technical solution of the patent can be modified or substituted with equivalent without departing from the spirit and scope of the patent solution, which shall be covered by the claims of the patent.

Claims

1. The utility model provides a drilling sample positioner, includes drilling location carousel (1) and fixed baseplate (2), its characterized in that: the drilling positioning turntable (1) is in a circular ring shape, drill positioning holes (12) with equal intervals and axes parallel to the axis of the circular ring are distributed on the drilling positioning turntable, and a stop bolt mounting synapse (14) is arranged on the outer side wall of the drilling positioning turntable;

the fixed base (2) comprises a circular base wall (21) and a fixed foot seat (22) fixedly connected with the outer side of the base wall (21), and the drilling positioning turntable (1) is arranged on the inner side of the base wall (21); the base wall is provided with a connecting groove (211), a limiting hole (212) is arranged below the connecting groove (211), and the limiting hole (212) consists of two mutually communicated hole positions;

an inhibition bolt mounting synapse (14) of the drilling positioning turntable (1) penetrates through the limiting hole (212), and is embedded in one hole position of the limiting hole (212) through a turntable rotation inhibition bolt (3) mounted at the front end of the inhibition bolt mounting synapse (14);

and a fixing bolt (5) is arranged in a fixing foot seat (22) of the fixing base (2).

2. A drill sampling positioning device according to claim 1 wherein: the outer wall of the drilling positioning turntable (1) is further provided with a plurality of connecting synapses (13), the connecting synapses (13) and the restraining bolt mounting synapses (14) are uniformly distributed, the position, corresponding to the connecting synapses (13), on the base wall (21) is also provided with a connecting groove (211) and a limiting hole (212), and the limiting hole (212) is formed by two mutually communicated hole positions.

3. A drill sampling positioning device according to claim 1 wherein: the turntable rotation inhibition bolt (3) is composed of a bolt shell wall (31) and a spring (32), the bolt shell wall (31) is a hollow cylinder, one end of the bolt shell wall is provided with an opening, the spring (32) is located inside the bolt shell wall (31) and is sleeved at the front end of an inhibition bolt installation synapse (14).

4. A drill sampling positioning device according to claim 1 wherein: the fixed foot seat (22) is provided with a hole along the axis, the inner wall of the hole is provided with a thread, the lower part of the hole is provided with an adjusting bolt (4), and the fixed bolt (5) penetrates through the hole of the fixed foot seat (22) and the through hole of the adjusting bolt (4) to fix the fixed base (2) on the surface of a rock body.

5. A drill sampling positioning device according to claim 1 wherein: the wall thickness D between adjacent drill positioning holes (12) is smaller than the drill positioning diameter D.

6. A drill sampling positioning device according to claim 4 wherein: the nut of the adjusting bolt (4) is hemispherical, is provided with a hole along the central axis and is arranged on the inner wall of the fixed foot seat.

7. A drill sampling positioning device according to claim 1 wherein: the fixed foot seats (22) are uniformly distributed on the outer side of the base seat wall (21).