CN216811618U

CN216811618U - Drilling coring device

Info

Publication number: CN216811618U
Application number: CN202122684666.1U
Authority: CN
Inventors: 马忠德; 范文科; 云启成
Original assignee: Qinghai Bureau Of Coal Geological Exploration
Current assignee: Qinghai Bureau Of Coal Geological Exploration
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-06-24
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a drilling coring device which comprises a hammer block, a handle, an anti-skidding sleeve, a connecting cap, a first connecting hole, a connecting column, a second connecting hole, a connecting pin, a drill rod, a connector, a coring device, a groove, a steel sheet, a cutting edge, a connecting pin body, a cylindrical protrusion, a limiting ball and a pull ring. The device makes the core taking device lower part crooked through pressing the probing core taking device, treats that the pressure value reaches the certain degree, and the recess lower extreme is buckled and is covered whole incision, is convenient for extract appearance soil, does not spill and leaks, improves the accuracy of data, utilizes old and useless drilling rod to reform transform into the core taking device, reaches the effect of practicing thrift the cost.

Description

Drilling coring device

Technical Field

The utility model belongs to the technical field of coring equipment for geological engineering exploration, and relates to a drilling coring device.

Background

Engineering geological exploration is a geological investigation research work performed to find out geological factors affecting engineering buildings, and the engineering geological exploration to be explored is a geological investigation research work performed to find out geological factors affecting engineering buildings, and the geological factors to be explored include geological structures or geological structures: landform, hydrogeology condition, the physical mechanics nature of soil and rock, nature (physics) geology phenomenon and natural building material etc., geological engineering is carrying out the reconnaissance in-process, need take the core to deposit the appearance, be convenient for detect the geological sample, current coring device for geological engineering reconnaissance is mostly by the support frame, get the core motor, drill pipe and electric telescopic handle are constituteed, it drills into the underground to drive the drill pipe through getting the core motor with the electric telescopic handle cooperation, along with the drilling of drill pipe, soil geology removes gradually in the drill pipe, reach the purpose of taking the core to the soil geology of underground and depositing the appearance.

At present, when open-air drilling construction, because various reasons cause the rock core sampling rate low or lose to record and sample geological personnel rock core and cause the difficulty, original and chemical examination data can't be accurately extracted, the sample lacks more accurate, convenient sampling tool, and work efficiency is low, can not satisfy the user demand, therefore we have provided a geological engineering investigation and have used quick type coring device for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a drilling coring device which can effectively solve the problems of accuracy and convenience of tool sampling and improve the working efficiency when a sampling tool extracts a sample, and can be directly used for modifying a waste drill rod in a drilling machine to make the best use of the waste drill rod, so that the effect of saving the cost is achieved.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a core-taking device for drilling comprises a hammer block, a handle, a drill rod, a connector and a core-taking device, and is characterized in that the hammer block is welded and fixed at the upper end of the middle position of the handle; rubber anti-slip sleeves are sleeved at the two ends of the handle; the handle and the coring device are respectively arranged at two opposite ends of the drill rod; the drill rod is vertically fixed with the lower end of the handle; the connector is a cylinder, one end of the connector is provided with a hole and is provided with an internal thread, the other end of the connector is provided with an external thread, and the internal thread is in threaded connection with one end of the drill rod; the coring device is of a cylindrical structure, and internal threads are arranged on the inner side of a top end port; the other end of the connector is connected with the top end of the coring device through an external thread; the corer forms a U-shaped cut obliquely downward at barrel side 1/2; the inner side surfaces of the edges of the two sides of the U-shaped notch of the coring device and the inner side surface of the edge of the port of the coring device are inwards inclined to form a cutting edge; the inner side wall of the coring device corresponding to the position of the U-shaped notch 1/2 of the coring device is provided with a groove, and the end part of the U-shaped notch is bent inwards.

Further, the coring device forms an upward cambered surface corresponding to the bottom end of the U-shaped notch; two steel sheets are respectively fixed at the edges of two sides of the U-shaped notch of the coring device.

Further, the core device is got in probing still includes the connecting piece, the middle part of handle and the top of drilling rod are connected through the connecting piece, the connecting piece is including connecting cap, spliced pole and connecting pin, the connection cap is the hollow tube, the inner chamber of connecting the cap is hexagonal hole, the spliced pole is hexagonal prism, the cooperation of pegging graft in hexagonal prism and hexagonal hole, the pipe wall of connecting the cap is equipped with two first connecting holes along radial symmetry, transversely run through on the spliced pole has the second connecting hole, the cooperation of pegging graft with the connecting pin is pegged graft in second connecting hole and two first connecting holes.

Furthermore, the connecting pin comprises a cylindrical connecting pin body, a cylindrical protrusion is arranged on the side face of one end of the connecting pin body, a limiting counter bore is radially arranged on the side face of the other end, opposite to the connecting pin body, of the connecting pin body, a limiting spring is arranged in the limiting counter bore, one end of the limiting spring is fixedly connected with the bottom of the limiting counter bore, a limiting ball is arranged on the other end of the limiting spring, the limiting ball and the cylindrical protrusion are respectively matched with two opposite sides of the drill rod, a pull ring is arranged on the cylindrical protrusion, and the pull ring is connected with the cylindrical protrusion in a rotating mode.

Furthermore, one end of the external thread of the drill rod and one end of the internal thread of the connector are both conical threads.

Compared with the prior art, the utility model has the following beneficial effects:

1. the material is easy to extract, and can be directly applied to the reconstruction of waste drill rods in the drilling machine.

2. The data is accurate, the notch is covered by turning over the groove in the corer, the sample soil is well preserved, and the omission phenomenon does not occur when the sample soil is upwards extracted

3. The operation is convenient, and the lower part of the core supplementing device is bent by pressure and directly enters the ore bed.

4. The core repairing device is easy to extract, and the drill is slowly rotated to core after the core repairing device enters an ore bed. And finally, taking out the ore bed and the coring device.

Drawings

FIG. 1 is an exploded view of a drill rod corer apparatus of the present invention;

FIG. 2 is a schematic view of a core extractor of the drill rod corer apparatus of the present invention;

FIG. 3 is a schematic view of the connection pin of the drill rod coring device of the present invention;

FIG. 4 is a schematic view of the overall configuration of a drill rod corer apparatus of the present invention;

the drill rod comprises a hammer block-1, a handle-2, an anti-skidding sleeve-3, a connecting cap-4, a first connecting hole-5, a connecting column-6, a second connecting hole-7, a connecting pin-8, a drill rod-9, a connector-10, a coring device-11, a groove-12, a steel sheet-13, a cutting edge-14, a connecting pin body-801, a cylindrical protrusion-802, a limiting ball-803 and a pull ring-804.

Detailed Description

The drawings in the embodiments of the utility model will be incorporated below; the technical scheme in the embodiment of the utility model is clearly and completely described;

as shown in fig. 1-4, the utility model provides a drill rod corer device, which comprises a hammer block 1, a handle 2, a drill rod 9, a connector 10 and a corer 11, and is characterized in that the upper end of the middle position of the handle 2 is fixedly welded with the hammer block 1, and when the hammer block 1 is hammered by a hammer to break a hard ore bed for downward sampling; the two ends of the handle are sleeved with rubber anti-slip sleeves 3; the handle 2 and the coring device 11 are respectively arranged at two opposite ends of the drill rod 9; the drill rod 9 is vertically fixed with the lower end of the handle 2; the connector 10 is a cylinder, one end of the connector is provided with a hole and is provided with an internal thread, the other end of the connector is provided with an external thread, and the internal thread is in threaded connection with one end of the drill rod 9; the 11-bit cylindrical structure of the coring device is characterized in that internal threads are arranged on the inner side of a top end port; the other end of the connector 10 is in threaded connection with the top end of the coring device 11 through external threads and can be used for plugging the top of the coring device 11; the corer 11 forms a U-shaped cut diagonally down on the barrel side 1/2; the inner side surfaces of the edges of the two sides of the U-shaped notch of the coring device 11 and the inner side surface of the edge of the port of the coring device 11 are inwards inclined to form a cutting edge 14, so that a soil layer can be conveniently cut when the coring device rotates; be equipped with recess 12 on the 11 inside walls of coring device that the U-shaped incision 1/2 position of coring device 11 corresponds, be convenient for upwards buckle the one end of coring device 11, U-shaped incision tip is inwards buckled, can prevent that U-shaped incision tip from outwards buckling the back to the outside, can not cover the incision to take place to omit the phenomenon when upwards taking, improve the accuracy of data.

Specifically, 11U-shaped notched both sides edge of coring device fix two steel sheets 13 respectively, strengthen the fore-and-aft intensity of U-shaped incision, prevent that the U-shaped incision of coring device 11 from being buckled when rotatory coring.

Specifically, the core device is got in probing still includes the connecting piece, the middle part of handle 2 and the top of drilling rod 9 are connected through the connecting piece, the connecting piece is including connecting cap 4, spliced pole 6 and connecting pin 8, connect cap 4 to be the hollow tube, the inner chamber of connecting cap 4 is hexagonal hole, spliced pole 6 is hexagonal prism, the cooperation of pegging graft of hexagonal prism and hexagonal hole, the pipe wall of connecting cap 4 is equipped with two first connecting holes 5 along radial symmetry, transversely run through on spliced pole 6 has second connecting hole 7, the cooperation of pegging graft of second connecting hole 7 and two first connecting holes 5 and connecting pin 8.

Specifically, the connecting pin comprises a cylindrical connecting pin body 801, a cylindrical protrusion 802 is arranged on the side face of one end of the connecting pin body 801, a limiting counter bore is radially arranged on the side face of the other end, opposite to the connecting pin body 801, of the connecting pin body, a limiting spring is arranged in the limiting counter bore, one end of the limiting spring is fixedly connected with the bottom of the limiting counter bore, a limiting ball 803 is arranged at the other end of the limiting spring, the limiting ball 803 and the cylindrical protrusion 802 are respectively matched with two opposite sides of the drill rod 9, a pull ring 804 is arranged on the cylindrical protrusion 802, and the pull ring 804 is rotatably connected with the cylindrical protrusion 802.

Specifically, the external thread at one end of the drill rod 9 and the internal thread at one end of the connector 10 are both conical threads.

When the device is used, the handle 2 is held by hand, the drill rod 9 is vertical to a hollow drilled on the ground, the drill rod 9 is slowly rotated and pressed downwards when the drill rod reaches the top of an ore bed, at the moment, the lower part of the coring device 11 is bent by pressing the drilling coring device 11, when the pressure value reaches a certain degree, the lower end of the groove 12 is bent to cover the whole notch, sample soil is conveniently extracted, leakage is avoided, the accuracy of data is improved, the steel sheets 13 reinforced at two sides of the U-shaped notch can prevent the lower end of the coring device 11 from being turned backwards along the groove 12 due to the fact that the ore bed is too hard, and the working efficiency is improved; the hammer block 1 of establishing is added to the handle, can pound hammer block 1 down sample with the hammer when the manual work is pressed motionlessly, and is simple high-efficient, secondly, connects drilling rod 9 and corer 11 through interior external thread connector 10, both can change corer 11 at any time, can also be when not needing manual probing to take a sample, connects on electric drill's drilling rod 9 through interior external thread connector 10. The connecting piece is used for facilitating the disassembly of the components, the rotation dislocation between the components can not occur, and the components can be firmly connected. Simple and efficient, and convenient to disassemble. Secondly, when the connecting cap 4 and the connecting column 6 are locked through the connecting pin 8, the body of the connecting pin 8 only needs to sequentially penetrate through the first connecting hole 5, the second connecting hole 7 and the other first connecting hole 5, and the limiting ball 803 and the cylindrical protrusion 802 are respectively attached to two opposite sides of the drill rod 9, so that the locking device is simple and efficient; when it is desired to separate the connecting cap 4 from the connecting post 6, the pull ring 804 is simply pulled.

Claims

1. A drilling coring device comprises a hammer block (1), a handle (2), a drill rod (9), a connector (10) and a coring device (11), and is characterized in that the upper end of the middle position of the handle (2) is fixedly welded with the hammer block (1); rubber anti-slip sleeves (3) are sleeved at the two ends of the handle; the handle (2) and the coring device (11) are respectively arranged at two opposite ends of the drill rod (9); the drill rod (9) is vertically fixed with the lower end of the handle (2); the connector (10) is a cylinder, one end of the connector is provided with a hole and is provided with an internal thread, the other end of the connector is provided with an external thread, and the internal thread is in threaded connection with one end of the drill rod (9); the coring device (11) is of a cylindrical structure, and internal threads are arranged on the inner side of a top end port; the other end of the connector (10) is connected with the top end of the coring device (11) through an external thread; the coring apparatus (11) forms a U-shaped cut obliquely downward at the barrel side 1/2; the inner side surfaces of the edges of the two sides of the U-shaped cut of the coring device (11) and the inner side surface of the port edge of the coring device (11) are inwards inclined to form a cutting edge (14); the inner side wall of the coring device (11) corresponding to the U-shaped cut 1/2 of the coring device (11) is provided with a groove (12), and the end part of the U-shaped cut is bent inwards.

2. A drilling coring device as set forth in claim 1, wherein: the coring device (11) forms an upward cambered surface corresponding to the bottom end of the U-shaped notch; two steel sheets (13) are respectively fixed at the edges of two sides of the U-shaped notch of the coring device (11).

3. A drilling coring device as set forth in claim 1, wherein: the core device is got in probing still includes the connecting piece, the middle part of handle (2) and the top of drilling rod (9) are connected through the connecting piece, the connecting piece is including connecting cap (4), spliced pole (6) and connecting pin (8), connect cap (4) to be the hollow tube, the inner chamber of connecting cap (4) is hexagonal hole, spliced pole (6) are hexagonal prism, hexagonal prism and hexagonal hole cooperation of pegging graft, the pipe wall of connecting cap (4) is equipped with two first connecting holes (5) along radial symmetry, transverse penetration has second connecting hole (7) on spliced pole (6), second connecting hole (7) and two first connecting holes (5) and connecting pin (8) cooperation of pegging graft.

4. A drilling coring device as set forth in claim 3, wherein: connecting pin (8) are including columniform connecting pin body (801), the side of connecting pin body (801) one end is equipped with cylindrical arch (802), the side of the relative other end of connecting pin body (801) is along radially being equipped with spacing counter bore, be provided with spacing spring in the spacing counter bore, the one end of spacing spring and the bottom fixed connection of spacing counter bore, the other end of spacing spring is equipped with spacing ball (803), spacing ball (803) and cylindrical arch (802) cooperate with the relative both sides of drilling rod (9) respectively, be equipped with pull ring (804) on cylindrical arch (802), pull ring (804) rotate with cylindrical arch (802) and link.

5. A drilling coring device as set forth in claim 1, wherein: one end of the external thread of the drill rod (9) and one end of the internal thread of the connector (10) are both conical threads.