CN213627500U

CN213627500U - Geological drilling coring device

Info

Publication number: CN213627500U
Application number: CN202021766263.0U
Authority: CN
Inventors: 王春元; 张维滨; 刘建军; 曹旭东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-07-06
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a geological drilling corer, which comprises a drill barrel, wherein a coring barrel is arranged at the inner side of an inner barrel, limiting plates are rotatably arranged at the bottom ends of the two sides of the inner wall of the inner barrel, L-shaped rods are fixedly arranged at the two sides of the bottom end of the outer wall of the coring barrel, a positioning block is fixedly connected at the bottom end of the L-shaped rod, a fixed barrel is fixedly arranged at the two sides of the top end of the outer wall of the coring barrel, a limiting disc is slidably connected at the inner side of the fixed barrel, the coring barrel slides upwards in the inner barrel after core drilling is completed, a control rod is pulled outwards in the process, a reset spring is compressed to enable the fixed barrel to slide to the topmost end of a chute, then the control rod is released to enable a limiting block to be clamped into a limiting groove corresponding to the top end of the chute, at the moment, one end of the limiting plate is lifted by the coring barrel under the action of the L-, the coring efficiency is improved.

Description

Geological drilling coring device

Technical Field

The utility model relates to a geological drilling technical field specifically is a geological drilling coring device.

Background

The geological drilling refers to the process of obtaining rock cores below the earth surface by using certain drilling mechanical equipment and processes, and the geological engineering geological drilling for reliably evaluating geological and mineral resource parameters refers to the process of obtaining rock cores below the earth surface by using certain drilling mechanical equipment and processes and the geological engineering for reliably evaluating the geological and mineral resource parameters.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a geological drilling corer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a geological drilling coring device comprises a drilling barrel, wherein a drill bit is fixedly connected to the bottom end of the drilling barrel, an inner barrel is arranged on the inner side of the drilling barrel, a coring assembly is arranged on the inner barrel, and the coring assembly comprises a coring barrel, a limiting plate, an L-shaped rod, a positioning block, a fixed barrel, a limiting disc, a movable rod, a reset spring, a control rod, a sliding groove, a limiting block and a limiting groove;

the utility model discloses a core taking device, including inner tube, fixed cylinder, limiting plate, movable rod outside cover, movable rod one end fixedly connected with control lever, the equal fixed mounting in inner tube inner wall both sides bottom rotates installs the limiting plate, the equal fixed mounting in inner tube outer wall bottom both sides has L type pole, L type pole bottom fixedly connected with locating piece, the equal fixed mounting in core tube outer wall top both sides has fixed cylinder, the inboard sliding connection of fixed cylinder has spacing dish, spacing dish one end fixedly connected with movable rod, movable rod outside cover has reset spring, movable rod one end fixedly connected with control lever, the spout that corresponds the position with fixed cylinder is all seted up at drill cylinder outside both ends, the stopper has all been welded at control lever outside both.

Preferably, the limiting plate is provided with a positioning groove in the side face, the L-shaped rod is connected to the inner wall of the positioning groove in a sliding mode, and the width of the positioning block is larger than that of the positioning groove.

Preferably, the return spring is installed on the inner side of the fixed cylinder, and the diameter of the limiting disc is larger than that of the movable rod.

Preferably, the top end of the coring barrel is uniformly provided with vent holes.

Preferably, the top end of the drill cylinder is provided with a damping assembly, and the damping assembly comprises a positioning shaft, a movable shaft, a damping spring, a rubber pad, a butt joint block, a butt joint rod and a fixed block;

the drill bit is characterized in that a positioning shaft is fixedly mounted at the top end of the drill bit, a movable shaft is movably sleeved on the outer side of the positioning shaft, a damping spring is mounted on the inner side of the positioning shaft, rubber pads are bonded on the inner walls of the positioning shaft and the movable shaft, butt-joint blocks are uniformly welded on the outer side of the positioning shaft, butt-joint rods corresponding to the butt-joint blocks are uniformly welded at the bottom ends of the movable shafts, and fixed blocks are fixedly connected to the bottom ends of the butt-joint rods.

Preferably, the bottom end of the butt joint rod movably penetrates through the top end of the butt joint block, and the cross section of the fixed block is the same as that of the butt joint block in size.

Compared with the prior art, the beneficial effects of the utility model are that:

1. after the core is accomplished at the brill core, with core barrel rebound including in the section of thick bamboo, outside pulling control lever of this in-process, reset spring compression, make fixed section of thick bamboo go up to the spout topmost, then release control lever, make the stopper card go into the spacing groove that the spout top corresponds, core barrel lifts limiting plate one end through the effect of L type pole and locating piece this moment, the contained angle space that makes limiting plate one end of both sides is less than core barrel opening part, thereby can prevent that the inside core bar of core barrel from dropping at the extraction in-process, improve coring efficiency.

2. When a drill barrel and a drill bit impact and core towards a soil layer, the movable shaft slides downwards outside the positioning shaft and compresses the damping spring and the rubber pad, so that the vibration generated during the operation of the drill barrel can be reduced, the movable shaft can be limited to slide up and down within a certain vertical range through the effect of the butt joint block, the butt joint rod and the fixed block, and the relative rotation of the movable shaft and the positioning shaft is limited simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the core taking assembly of the present invention;

fig. 3 is a schematic view of the mounting structure of the limiting plate of the present invention;

fig. 4 is a schematic view of the mounting structure of the return spring of the present invention;

FIG. 5 is a schematic view of the mounting structure of the middle stopper of the present invention;

FIG. 6 is a schematic structural view of a middle shock-absorbing assembly of the present invention;

fig. 7 is a schematic view of the installation structure of the middle butt-joint rod of the present invention.

In the figure: 1. drilling a barrel; 2. a drill bit; 3. an inner barrel;

4. a coring assembly; 401. a core taking barrel; 402. a limiting plate; 403. an L-shaped rod; 404. positioning blocks; 405. a fixed cylinder; 406. a limiting disc; 407. a movable rod; 408. a return spring; 409. a control lever; 410. a chute; 411. a limiting block; 412. a limiting groove;

5. positioning a groove; 6. an exhaust hole;

7. a shock absorbing assembly; 701. positioning the shaft; 702. a movable shaft; 703. a damping spring; 704. a rubber pad; 705. a butt joint block; 706. a docking rod; 707. and (5) fixing blocks.

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.

Referring to fig. 1-7, the present invention provides a technical solution: a geological drilling coring device comprises a drill barrel 1, wherein a drill bit 2 is fixedly connected to the bottom end of the drill barrel 1, an inner barrel 3 is installed on the inner side of the drill barrel 1, a coring assembly 4 is installed on the inner barrel 3, and the coring assembly 4 comprises a coring barrel 401, a limiting plate 402, an L-shaped rod 403, a positioning block 404, a fixed barrel 405, a limiting disc 406, a movable rod 407, a reset spring 408, a control rod 409, a sliding groove 410, a limiting block 411 and a limiting groove 412;

a core barrel 401 is arranged at the inner side of the inner barrel 3, a limit plate 402 is rotatably arranged at the bottom ends of the two sides of the inner wall of the inner barrel 3, L-shaped rods 403 are fixedly arranged at the two sides of the bottom end of the outer wall of the core barrel 401, a locating block 404 is fixedly connected at the bottom end of the L-shaped rod 403, a fixed barrel 405 is fixedly arranged at the two sides of the top end of the outer wall of the core barrel 401, a limit plate 406 is slidably connected at the inner side of the fixed barrel 405, a movable rod 407 is fixedly connected at one end of the limit plate 406, a reset spring 408 is sleeved at the outer side of the movable rod 407, a control rod 409 is fixedly connected at one end of the movable rod 407, sliding grooves 410 corresponding to the fixed barrel 405 are arranged at the two ends of the outer side of the drill barrel 1, limit blocks 411 are welded at the two ends of the outer side of the control rod 409, be convenient for L type pole 403 can pass limiting plate 402 in the normal band and carry out the ascending activity of vertical side, be convenient for drive the different positions jack-up in limiting plate 402 bottom when locating piece 404 rebound simultaneously, make limiting plate 402 rotate corresponding angle, reset spring 408 installs in solid fixed cylinder 405 inboard, spacing dish 406 diameter is greater than the movable rod 407 diameter, through spacing dish 406 compression reset spring 408 when being convenient for movable rod 407 outwards move about, exhaust hole 6 has evenly been seted up on core barrel 401 top, gaseous emission when being convenient for bore the core.

The top end of the drill cylinder 1 is provided with a damping assembly 7, and the damping assembly 7 comprises a positioning shaft 701, a movable shaft 702, a damping spring 703, a rubber pad 704, a butt joint block 705, a butt joint rod 706 and a fixed block 707;

the positioning shaft 701 is fixedly installed at the top end of the drill barrel 1, the movable shaft 702 is movably sleeved on the outer side of the positioning shaft 701, the damping spring 703 is installed on the inner side of the positioning shaft 701, rubber pads 704 are bonded to one ends of the inner walls of the positioning shaft 701 and the movable shaft 702, the butt joint block 705 is uniformly welded on the outer side of the positioning shaft 701, the butt joint rod 706 with a position corresponding to the butt joint block 705 is uniformly welded at the bottom end of the movable shaft 702, a fixed block 707 is fixedly connected to the bottom end of the butt joint rod 706, vibration generated during operation of the drill barrel 1 is reduced, the bottom end of the butt joint rod 706 movably penetrates through the top end of the butt joint block 705, the section size of the fixed block 707 is the same as that of the butt joint block 705, the.

The working principle is as follows: when coring is carried out, the coring barrel 401 slides to the bottommost end, the bottom end of the coring barrel 401 is abutted against the bottom end of the inner side of the drill barrel 1, the fixed barrel 405 is at the bottommost end of the inner side of the sliding chute 410, the limiting blocks 411 on the control rods 409 are clamped in the limiting grooves 412 corresponding to the bottom end of the sliding chute 410, the limiting plates 402 at two sides are extruded when the coring barrel 401 is at the bottommost end, the included angle between the limiting plates 402 at two sides is maximized, the coring operation is not influenced, after coring is completed, the control rods 409 at two sides are pulled outwards, the control rods 409 enable the limiting discs 406 to slide in the fixed barrel 405 through the movable rods 407, the reset springs 408 are compressed, then the coring barrel 401 is lifted upwards through the control rods 409 at two sides, the coring barrel 401 slides to the position with the largest top end, at the moment, the fixed barrel 405 is at the topmost end of the inner side of the sliding chute 410, then the control rods 409 are released, the limiting discs 406, therefore, one end of the limiting block 411 at two sides of the control rod 409 is just clamped into the corresponding limiting groove 412 at two sides of the top end of the sliding groove 410, so that the position of the core taking barrel 401 is fixed, in the process of sliding the core taking barrel 401 upwards, the positioning block 404 is driven to move upwards through the L-shaped rod 403, so that one end of the limiting plate 402 is lifted up in the process of lifting the positioning block 404, the movement of the L-shaped rod 403 is not influenced through the action of the positioning groove 5 on the limiting plate 402, finally the limiting plates 402 at two sides are in an inclined state, and the included angle space between the limiting plates 402 at two sides is smaller than the opening end of the core taking barrel 401, so that the core rod;

when the drill cylinder 1 and the drill bit 2 work on a soil layer, strong impact force can be generated when the drill cylinder 1 continuously drills into the soil layer, at the moment, the movable shaft 702 at the top end of the drill cylinder 1 correspondingly slides in the vertical direction outside the positioning shaft 701, one end of the inner wall of the positioning shaft 701 continuously compresses the damping spring 703 and the corresponding rubber pad 704, certain impact force can be buffered, work is facilitated, the movable shaft 702 drives the butt joint rod 706 to penetrate through the butt joint block 705 to correspondingly slide when moving, the movable range and the movable direction of the movable shaft 702 can be limited through the action of the butt joint block 705, the butt joint rod 706 and the fixed block 707, and relative rotation between the movable shaft 702 and the positioning shaft 701 is prevented.

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. A geological drilling corer, comprising a drilling drum (1), characterized in that: the bottom end of the drilling cylinder (1) is fixedly connected with a drill bit (2), an inner cylinder (3) is installed on the inner side of the drilling cylinder (1), a coring assembly (4) is installed on the inner cylinder (3), and the coring assembly (4) comprises a coring cylinder (401), a limiting plate (402), an L-shaped rod (403), a positioning block (404), a fixed cylinder (405), a limiting disc (406), a movable rod (407), a reset spring (408), a control rod (409), a sliding chute (410), a limiting block (411) and a limiting groove (412);

a coring barrel (401) is installed on the inner side of the inner barrel (3), a limiting plate (402) is installed at the bottom ends of the two sides of the inner wall of the inner barrel (3) in a rotating mode, L-shaped rods (403) are fixedly installed on the two sides of the bottom end of the outer wall of the coring barrel (401), positioning blocks (404) are fixedly connected to the bottom ends of the L-shaped rods (403), fixed barrels (405) are fixedly installed on the two sides of the top end of the outer wall of the coring barrel (401), limiting discs (406) are slidably connected to the inner side of the fixed barrels (405), movable rods (407) are fixedly connected to one ends of the limiting discs (406), reset springs (408) are sleeved on the outer sides of the movable rods (407), control rods (409) are fixedly connected to one ends of the movable rods (407), sliding grooves (410) corresponding to the fixed barrels (405) are formed in the two ends of the, the top ends and the bottom ends of the two sides of the inner wall of the sliding groove (410) are provided with limiting grooves (412) corresponding to the limiting blocks (411).

2. A geological drilling coring device as defined in claim 1, wherein: locating slot (5) has been seted up to limiting plate (402) side, L type pole (403) sliding connection is in locating slot (5) inner wall, locating piece (404) width is greater than the width of locating slot (5).

3. A geological drilling coring device as defined in claim 1, wherein: the reset spring (408) is arranged on the inner side of the fixed cylinder (405), and the diameter of the limiting disc (406) is larger than that of the movable rod (407).

4. A geological drilling coring device as defined in claim 1, wherein: the top end of the core taking barrel (401) is uniformly provided with vent holes (6).

5. A geological drilling coring device as defined in claim 1, wherein: the top end of the drill cylinder (1) is provided with a damping assembly (7), and the damping assembly (7) comprises a positioning shaft (701), a movable shaft (702), a damping spring (703), a rubber pad (704), a butt joint block (705), a butt joint rod (706) and a fixed block (707);

drill section of thick bamboo (1) top fixed mounting has location axle (701), loose axle (702) has been cup jointed in the activity of location axle (701) outside, damping spring (703) are installed to location axle (701) inboard, location axle (701) and loose axle (702) inner wall one end all bond and have rubber pad (704), the even welding in location axle (701) outside has butt joint piece (705), the even welding in loose axle (702) bottom has butt joint pole (706) that correspond the position with butt joint piece (705), butt joint pole (706) bottom fixedly connected with fixed block (707).

6. A geological drilling coring device as defined in claim 5, wherein: the bottom end of the butt joint rod (706) movably penetrates through the top end of the butt joint block (705), and the size of the section of the fixed block (707) is the same as that of the section of the butt joint block (705).