CN212689945U

CN212689945U - Drill rod for drilling rock stratum

Info

Publication number: CN212689945U
Application number: CN202020701479.2U
Authority: CN
Inventors: 刘家莲; 奚吉; 魏朋飞; 韩虎; 张飞
Original assignee: Anhui Baishijia New Energy Technology Co ltd
Current assignee: Anhui Baishijia New Energy Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-03-12
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a drilling rod that probing stratum was used, including the drilling rod body, the spread groove has been seted up at the middle part at drilling rod body top, the sample chamber has been seted up at the middle part of drilling rod body bottom, the lower surface activity of drilling rod body is provided with the drill rod head, the middle part of drill rod head runs through and is equipped with the intercommunicating pore, the inside and the inside in sample chamber of intercommunicating pore are linked together, the last fixed surface of drill rod head is provided with the retainer plate. The utility model discloses a set up the drilling rod body, the drill rod head, retainer plate and thread groove, make the drill rod head when probing the core pass through the intercommunicating pore and get into sample intracavity portion, rotate the drill rod head and can shift out the retainer plate from the inside of thread groove, thereby be convenient for take out the analysis to the core of sample intracavity portion, it is more convenient to use, still through setting up first screw hole, bolt and second screw hole, make bolt activity insert first screw hole and second screw hole inside, thereby make the drill rod head and this body coupling of drilling rod firm.

Description

Drill rod for drilling rock stratum

Technical Field

The utility model relates to a probing stratum technical field specifically is a drilling rod that probing stratum was used.

Background

The rock stratum is a geological professional term, and is a stacked rock stratum covered on an original earth crust, and is a 'big book of stones' left by billions of years of evolution and development of the earth, and the rock stratum arrives at the earth surface from the oldest geological age in a stacked manner; when a rock stratum is researched, a drilling device is needed to explore a ground borehole, and in order to make geological analysis and research more accurate, a drilled core needs to be sampled;

the conventional apparatus has the following disadvantages:

at present, most of the existing drill rods are inconvenient to disassemble and take out after the core sampling is completed, and the research efficiency of rock strata caused by inconvenient operation is lower, so that the drill rods are inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling rod that probing stratum was used 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 drill rod for drilling rock stratum comprises a drill rod body, wherein a connecting groove is formed in the middle of the top of the drill rod body, a sampling cavity is formed in the middle of the bottom of the drill rod body, a drill rod head is movably arranged on the lower surface of the drill rod body, a communicating hole penetrates through the middle of the drill rod head, the interior of the communicating hole is communicated with the interior of the sampling cavity, a fixing ring is fixedly arranged on the upper surface of the drill rod head, a threaded groove is formed in the lower surface of the drill rod body, the surface of the fixing ring is movably connected with the interior of the threaded groove, first threaded holes are respectively formed in the bottoms of two side walls of the drill rod body in a penetrating mode, bolts are movably arranged in the first threaded holes, second threaded holes are respectively formed in the middle of the two side walls of the fixing ring in a penetrating mode, the surfaces of the bolts, the top of intercommunicating pore right side inner wall is fixed and is provided with the overlap joint piece, the overlap joint groove has been seted up to the lower surface of fly leaf right-hand member, the left end of overlap joint piece and the inside activity overlap joint in overlap joint groove, the upper surface at fly leaf middle part and the left side inner wall of intercommunicating pore respectively with reset spring's both ends fixed connection, the inside bottom of intercommunicating pore is provided with prevents stifled mechanism.

Preferably, the inner wall of the connecting groove is milled with threads, and the vertical central line of the connecting groove and the vertical central line of the drill rod body are located on the same straight line.

Preferably, the cross sections of the fixing ring and the thread groove are both annular, and the size of the fixing ring is matched with the size of the inside of the thread groove.

Preferably, the outer side surface of the drill rod head is fixedly provided with a plurality of reinforcing lugs, the plurality of reinforcing lugs are uniformly distributed on the outer side surface of the drill rod head at equal intervals, and the lower surface of the drill rod head is fixedly provided with cutting lugs.

Preferably, prevent stifled mechanism and include the connecting rod, the both ends of connecting rod respectively with the both sides inner wall fixed connection of intercommunicating pore, the middle part activity of connecting rod is provided with the dwang, the fixed surface of dwang bottom is provided with rotatory piece, the fixed surface at dwang top is provided with the stopper, the spacing groove has been seted up to the side at connecting rod middle part, the inside swing joint of the surface of stopper and spacing groove.

Preferably, the one end that the dwang was kept away from to rotatory piece upwards slopes to set up, and the one end that the dwang was kept away from to rotatory piece is the cusp shape.

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

1. the utility model discloses a set up drilling rod body, drill rod head, retainer plate and thread groove, make the drill rod head get into the sample intracavity portion through the intercommunicating pore when probing the stratum, rotate the drill rod head and can shift out the retainer plate from the thread groove inside, thereby be convenient for take out the analysis to the core of sample intracavity portion, it is more convenient to use, still through setting up first screw hole, bolt and second screw hole, make the bolt activity insert inside first screw hole and the second screw hole, stabilize the fixation ring and fix, thereby make the drill rod head and drill rod body be connected firmly, convenient to use;

2. the utility model discloses a set up the fly leaf, overlap joint piece and reset spring, make reset spring reset and stretch and promote the fly leaf and rotate the overlap joint on overlap joint piece surface, thereby make the fly leaf block the rock core at intercommunicating pore interior top, thereby effectually prevent the rock core backward flow, still through setting up the connecting rod, dwang and rotatory piece, drive the dwang rotation when making the inside rock core of intercommunicating pore flow, the dwang drives rotatory piece and rotates inside the intercommunicating pore and smash, thereby can prevent intercommunicating pore bottom opening jam, make the rock core sample effect better.

Drawings

FIG. 1 is a front cross-sectional view of the overall structure of a drill rod for drilling rock formations in accordance with the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 of a drill rod for drilling rock formations in accordance with the present invention;

fig. 3 is an enlarged view of the structure B of fig. 1 of a drill rod for drilling a rock formation according to the present invention.

In the figure: 1. a drill rod body; 2. connecting grooves; 3. a sampling cavity; 4. a drill bit head; 5. a communicating hole; 6. a stationary ring; 7. a thread groove; 8. a first threaded hole; 9. a bolt; 10. a second threaded hole; 11. reinforcing the bumps; 12. cutting the bump; 13. a movable plate; 14. a lapping block; 15. a lap joint groove; 16. a return spring; 17. a connecting rod; 18. rotating the rod; 19. rotating the block; 20. a limiting block; 21. a limiting groove.

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. 1-3, the present invention provides a technical solution: a drill rod for drilling rock stratum comprises a drill rod body 1, a connecting groove 2 is formed in the middle of the top of the drill rod body 1, a sampling cavity 3 is formed in the middle of the bottom of the drill rod body 1, a drill rod head 4 is movably connected to the lower surface of the drill rod body 1, a communicating hole 5 is formed in the middle of the drill rod head 4 in a penetrating mode, the interior of the communicating hole 5 is communicated with the interior of the sampling cavity 3, a fixing ring 6 is fixedly connected to the upper surface of the drill rod head 4, a threaded groove 7 is formed in the lower surface of the drill rod body 1, the surface of the fixing ring 6 is movably connected with the interior of the threaded groove 7, first threaded holes 8 are formed in the bottoms of two side walls of the drill rod body 1 in a penetrating mode, bolts 9 are inserted into internal threads of the first threaded holes 8, second threaded holes 10 are formed in the middle of the two side walls of the fixing, the top fixedly connected with overlap joint piece 14 of intercommunicating pore 5 right side inner wall, overlap joint groove 15 has been seted up to the lower surface of movable plate 13 right-hand member, the inside activity overlap joint of overlap joint piece 14 left end and overlap joint groove 15, the upper surface at movable plate 13 middle part and the left side inner wall of intercommunicating pore 5 respectively with reset spring 16's both ends fixed connection, the inside bottom of intercommunicating pore 5 is provided with prevents stifled mechanism.

The inner wall of the connecting groove 2 is milled with threads, and the vertical center line of the connecting groove 2 and the vertical center line of the drill rod body 1 are located on the same straight line.

The cross sections of the fixing ring 6 and the thread groove 7 are both annular, and the size of the fixing ring 6 is matched with the size of the inside of the thread groove 7.

The outer side surface of the drill rod head 4 is fixedly provided with a plurality of reinforcing lugs 11, the reinforcing lugs 11 are uniformly distributed on the outer side surface of the drill rod head 4 at equal intervals, and the lower surface of the drill rod head 4 is fixedly connected with a cutting lug 12.

Prevent stifled mechanism and include connecting rod 17, the both ends of connecting rod 17 respectively with the both sides inner wall fixed connection of intercommunicating pore 5, the middle part activity of connecting rod 17 is pegged graft and is had dwang 18, the fixed surface of dwang 18 bottom is connected with rotatory piece 19, the fixed surface at dwang 18 top is connected with stopper 20, spacing groove 21 has been seted up to the side at connecting rod 17 middle part, stopper 20's the surface and the inside swing joint of spacing groove 21.

The one end that rotatory piece 19 kept away from dwang 18 upwards slopes to set up, and the one end that rotatory piece 19 kept away from dwang 18 is the cusp shape, smashes the rock when being convenient for rotatory piece 19 rotates.

The working principle is as follows: when the utility model is used, the drill rod body 1 is connected with the drilling equipment through the connecting groove 2, the drilling equipment drives the drill rod body 1 to rotate, the drill rod body 1 drives the drill rod head 4 to drill the rock stratum, wherein, the core moves upwards through the bottom end of the intercommunicating pore 5, the core pushes the lapping groove 15 to rotate upwards, the lapping groove 15 extrudes the reset spring 16 to compress, meanwhile, the core flows to the inside of the sampling cavity 3 through the gap between the lapping groove 15 and the lapping block 14 to be stored, wherein, the reset spring 16 resets and stretches to drive the movable plate 13 to rotate reversely to lap the lapping block 14, thereby leading the movable plate 13 to isolate and block the top of the intercommunicating pore 5, in addition, the rotating rod 18 is driven to rotate under the action of the rotating block 19 when the core flows, the rotating rod 18 drives the rotating block 19 to rotate and smash the bottom of the intercommunicating pore, after the completion of drilling and sampling, the drill rod body 1 is shifted out from the underground, the rotating bolt 9 is lowered to be shifted out from the second threaded hole 10, the drill rod head 4 is rotated, the drill rod head 4 drives the fixing ring 6 to rotate and remove in the threaded groove 7, so that the drill rod head 4 is moved away from the bottom of the drill rod body 1, the core in the sampling cavity 3 is convenient to take out, and the operation is convenient and rapid.

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.

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 drill rod for drilling rock formations, comprising a drill rod body (1), characterized in that: the middle part of the top of the drill rod body (1) is provided with a connecting groove (2), the middle part of the bottom of the drill rod body (1) is provided with a sampling cavity (3), the lower surface of the drill rod body (1) is movably provided with a drill rod head (4), the middle part of the drill rod head (4) is provided with a communicating hole (5) in a penetrating way, the inside of the communicating hole (5) is communicated with the inside of the sampling cavity (3), the upper surface of the drill rod head (4) is fixedly provided with a fixing ring (6), the lower surface of the drill rod body (1) is provided with a thread groove (7), the surface of the fixing ring (6) is movably connected with the inside of the thread groove (7), the bottoms of two side walls of the drill rod body (1) are respectively provided with a first thread hole (8) in a penetrating way, the inside of the first thread hole (8) is movably provided with a bolt (9), bolt (9) surface and the inside swing joint of second screw hole (10), the top activity of intercommunicating pore (5) left side inner wall is provided with fly leaf (13), the fixed overlap joint piece (14) that is provided with in top of intercommunicating pore (5) right side inner wall, overlap joint groove (15) have been seted up to the lower surface of fly leaf (13) right-hand member, the left end of overlap joint piece (14) and the inside activity overlap joint of overlap joint groove (15), the upper surface at fly leaf (13) middle part and the left side inner wall of intercommunicating pore (5) respectively with reset spring (16)'s both ends fixed connection, the inside bottom of intercommunicating pore (5) is provided with prevents stifled mechanism.

2. A drill rod for drilling a formation as defined in claim 1, wherein: the inner wall of the connecting groove (2) is punched and milled with threads, and the vertical center line of the connecting groove (2) and the vertical center line of the drill rod body (1) are located on the same straight line.

3. A drill rod for drilling a formation as defined in claim 1, wherein: the cross sections of the fixing ring (6) and the thread groove (7) are both annular, and the size of the fixing ring (6) is matched with the size of the inside of the thread groove (7).

4. A drill rod for drilling a formation as defined in claim 1, wherein: the outer side of the drill rod head (4) is fixedly provided with a plurality of reinforcing lugs (11), the number of the reinforcing lugs (11) is multiple, the reinforcing lugs (11) are uniformly distributed on the outer side of the drill rod head (4) at equal intervals, and the lower surface of the drill rod head (4) is fixedly provided with cutting lugs (12).

5. A drill rod for drilling a formation as defined in claim 1, wherein: anti-blocking mechanism includes connecting rod (17), the both ends of connecting rod (17) respectively with the both sides inner wall fixed connection of intercommunicating pore (5), the middle part activity of connecting rod (17) is provided with dwang (18), the fixed surface of dwang (18) bottom is provided with rotatory piece (19), the fixed surface at dwang (18) top is provided with stopper (20), spacing groove (21) have been seted up to the side at connecting rod (17) middle part, the inside swing joint of the surface of stopper (20) and spacing groove (21).

6. A drill rod for drilling a formation as defined in claim 5, wherein: the one end tilt up setting of dwang (18) is kept away from to rotatory piece (19), and the one end that dwang (18) were kept away from to rotatory piece (19) is the prong shape.