CN221350599U

CN221350599U - Sampling device

Info

Publication number: CN221350599U
Application number: CN202323039989.0U
Authority: CN
Inventors: 马德庆; 李华; 党洪量; 于小亮
Original assignee: Qinghai Geological Survey Bureau
Current assignee: Qinghai Geological Survey Bureau
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-07-16
Anticipated expiration: 2033-11-09

Abstract

The utility model relates to the technical field of sampling and discloses a sampling device which comprises a casing, wherein a motor for driving a sleeve to rotate is arranged in the casing, a hollow drill rod is arranged at the end part of the sleeve, a drill bit is arranged at the end part of the drill rod, a plurality of drilling teeth are arranged on the conical surface of the drill bit, a plurality of through holes staggered with the drilling teeth are arranged in the drill bit in advance, and the through holes are communicated into the drill rod. This sampling device through setting up the drilling rod cavity to utilize the drill bit to break, make the detritus after the breakage and the rock dust sample can get into the drilling rod in and store, can take out inside sample when taking out the drilling rod, again with the sample in the drilling rod pour collect can, the drilling rod is horizontal gesture or vertical gesture, the collection of sample can all be carried out.

Description

Sampling device

Technical Field

The utility model relates to the technical field of sampling, in particular to a sampling device.

Background

The mine geological sampling refers to collecting certain samples from ore bodies, surrounding rocks and mine products according to certain specification requirements. The method aims to study mineral quality, physical and chemical properties of ores and surrounding rocks, technical properties of ores, mining conditions of mineral deposits and the like, and provide data for mineral deposit evaluation, calculation of reserves, related geology, mining, mineral separation, comprehensive utilization of mineral products and the like. The drilling method is to drill blast holes or special sampling holes by using a roadway, and collect rock dust and rock scraps as samples.

The national patent network publishes that the authority number is CN 214584136U's mine geology rock sampling device, the device "utilize first elastic plate and second elastic plate to cause the extrusion to the rock wall, start drilling motor, drive the drilling rod rotates, bore the appearance to the rock wall, in-process sample drops and collects in the collecting vat," when carrying out the horizontal sample of punching to the vertically rock wall, because the collecting vat is located drilling rod below position, the sample can just fall into the collecting vat after falling out and collect, but when punching the sample to underground, collecting vat and drilling rod are parallel state, the sample can't fall into the collecting vat, can only continue to pile up around the drilling rod, the collecting vat just can't carry out the collection of sample this moment, cause the drawback that the sample can not obtain the collection when punching the sample downwards perpendicularly.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a sampling device for solving the problems in the background art.

(II) technical scheme

In order to solve the problems, the utility model provides the following technical scheme:

the utility model provides a sampling device, includes the casing, install drive sleeve pipe pivoted motor in the casing, the drilling rod that the cavity set up is installed to the sleeve pipe tip, and the drill bit is installed to the drilling rod tip, and the taper surface mounting of drill bit has a plurality of brill teeth, is equipped with a plurality of through openings that stagger with brill teeth on the drill bit in advance, and the through opening communicates to in the drilling rod.

Preferably, the back of the drill bit on the inner side of the drill rod is provided with a back plate, the through hole penetrates through the back plate, a bolt is arranged between the center position of the back plate and the drill bit, a gap is reserved between the back plate and the back of the drill bit, a movable plate is arranged in the gap, a hole is formed in the middle of the movable plate and is movably sleeved on the bolt on the corresponding position, the movable plate is provided with a plurality of sector plates corresponding to the through hole, and a blocking strip propping against the side edge of the sector plates is arranged at the side edge of the through hole in the reverse direction of the rotation of the drill bit.

Preferably, a handle is arranged on the outer wall of the shell.

Preferably, the grip is sleeved with an anti-slip sleeve made of rubber.

Preferably, a seat cylinder is arranged on the shell corresponding to the handle, an annular first baffle and an annular second baffle are arranged on the inner wall of the seat cylinder, gaps are reserved between the first baffle and the handle as well as between the second baffle and the handle, one end of the handle extends into the seat cylinder, a first annular plate and a second annular plate which are respectively close to the side surfaces of the first baffle and the second baffle are arranged on the handle in the seat cylinder, a plurality of springs are arranged between the first baffle and the second baffle, and two ends of each spring are respectively fixed with the outer wall of the handle and the inner wall of the seat cylinder at the corresponding position.

Preferably, a limiting plate propped against the end part of the drill rod is arranged in the sleeve, the sleeve is connected with the drill rod through threads, and the threads of the sleeve and the drill rod are reverse threads opposite to the rotation direction of the drill rod.

(III) beneficial effects

Compared with the prior art, the utility model provides a sampling device, which has the following beneficial effects:

1. This sampling device through setting up the drilling rod cavity to utilize the drill bit to break, make the detritus after the breakage and the rock dust sample can get into the drilling rod in and store, can take out inside sample when taking out the drilling rod, again with the sample in the drilling rod pour collect can, the drilling rod is horizontal gesture or vertical gesture, the collection of sample can all be carried out.

2. This sampling device carries out the switching of drill bit opening through setting up the sector plate that utilizes drilling rod rotation centrifugal force to carry out the pivoted, opens when drilling and ensures that the sample gets into, shields when putting forward, avoids the sample to fall out, ensures the stability of sample take-up volume.

3. According to the sampling device, vibration buffering is carried out on the handle by using the spring, so that vibration conduction to the two arms can be reduced during drilling and sampling, and vibration feeling of the two arms can be reduced.

Drawings

FIG. 1 is an external view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a transmission of a sleeve according to the present utility model;

FIG. 4 is an enlarged view of a drill bit of the present utility model;

FIG. 5 is a schematic view of the installation of a sector plate in the present utility model;

FIG. 6 is a cross-sectional view of the grip of the present utility model.

In the figure: 1. a housing; 2. a motor; 3. a toothed ring; 4. a gear; 5. a fixing plate; 6. a sleeve; 7. a drill rod; 8. a drill bit; 9. a limiting plate; 10. a grating plate; 11. drilling teeth; 12. a through port; 13. a back plate; 14. a movable plate; 15. a sector plate; 16. a barrier strip; 17. a grip; 18. a seat cylinder; 19. a first baffle; 20. a second baffle; 21. a first annular plate; 22. a second annular plate; 23. an end plate; 24. and (3) a spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, a sampling device comprises a casing 1, a grip 17 is arranged on the outer side wall of the casing 1, a fixed plate 5 is welded in the casing 1, a sleeve 6 is sleeved on the fixed plate 5 through a bearing, a toothed ring 3 is welded on the outer wall of the sleeve 6 above the fixed plate 5, a gear 4 is sleeved on the fixed plate 5 through a bearing, the gear 4 is meshed with the toothed ring 3, a motor 2 is arranged on an inner side bolt of the casing 1, a motor shaft of the motor 2 extends to the center of the gear 4 for transmission connection, a transmission system of the motor 2 and the gear 4 is generally provided with a speed reducer, and a grid plate 10 for heat dissipation is arranged on the casing 1 corresponding to a screw at the position of the motor 2;

The end mouth position threaded connection of sleeve pipe 6 has drilling rod 7, drilling rod 7 is the external screw thread, sleeve pipe 6 is the internal screw thread, in order to prevent to loosen, can adopt the reverse screw thread, promptly with the screw thread that the drilling rod 7 rotation direction is opposite, still welded mounting in the sleeve pipe 6 supports to limiting plate 9 of drilling rod 7 tip, the drilling bit 8 is installed through the bolt to the drilling rod 7 tip of keeping away from sleeve pipe 6, the conical setting of drill bit 8, a plurality of brill teeth 11 are installed to equidistant welded mounting of conical surface of drill bit 8, a plurality of through-holes 12 that stagger with brill teeth 11 are preset on the drill bit 8, drilling rod 7 cavity sets up, through-hole 12 communicates to in the drilling rod 7.

During the use, the drill rod 7 is screwed into the sleeve 6 for installation, then the power supply of the motor 2 is connected, the motor 2 is electrified to work and drive the sleeve 6 to rotate by utilizing the meshing relationship between the gear 4 and the toothed ring 3, and then drive the drill rod 7 and the drill bit 8 to rotate, the drill teeth 11 continuously cut and crush rock during rotation, so that broken and punched holes are formed, broken rock scraps and rock powder are samples for sampling, the broken rock scraps and the rock powder enter the drill rod 7 through the through hole 12 for temporary storage, the drilling is stopped after the drilling amount reaches the sampling amount, the motor 2 is powered off, the drill rod 7 and the drill bit 8 are taken out from the rock hole by the external pulling machine shell 1, and then the rock scraps and the rock powder in the drill rod 7 are poured out from the through hole 12.

In this embodiment, a back plate 13 is welded or bolted to the back surface of the drill bit 8 inside the drill rod 7, a through hole 12 penetrates through the back plate 13 to keep communication with the drill rod 7, a bolt is further installed between the center position of the back plate 13 and the back surface of the drill bit 8, a gap is reserved between the back plate 13 and the back surface of the drill bit 8, a movable plate 14 is arranged in the gap, a hole is formed in the middle of the movable plate 14 and is movably sleeved on the bolt at the corresponding position, a plurality of sector plates 15 corresponding to the through hole 12 are further integrally formed on the peripheral wall of the movable plate 14, and a barrier strip 16 propping against the side edge of the sector plates 15 is welded and installed at the side edge of the through hole 12 in the reverse direction of rotation of the drill bit 8.

When the drill bit 8 rotates to punch, the fan-shaped plate 15 is influenced by centrifugal force and is abutted against the barrier strip 16 according to the rotation direction, at the moment, the through hole 12 is kept open, rock scraps and rock powder generated by punching can normally enter the drill rod 7, after the punching is finished, the motor 2 can be rotated reversely in a short time by switching the current direction, at the moment, the fan-shaped plate 15 is driven by the reverse centrifugal force and can be abutted against the barrier strip 16 from the other side in the punching direction of the drill bit 8, at the moment, the fan-shaped plate 15 moves to the position of the through hole 12 to block, and therefore, when the drill rod is taken out, the rock scraps and the rock powder in the drill rod 7 are not easy to fall out from the through hole 12, and the stability of the sample size in the drill rod 7 is ensured.

In this embodiment, a seat tube 18 is welded and installed on the casing 1 corresponding to the position of the handle 17, an annular first baffle 19 and an annular second baffle 20 are welded and installed on the inner wall of the seat tube 18, one end of the handle 17 extends into the seat tube 18, a first annular plate 21 and a second annular plate 22 which are respectively close to the side surfaces of the first baffle 19 and the second baffle 20 are welded and installed on the handle 17 in the seat tube 18, a plurality of springs 24 are arranged between the first baffle 19 and the second baffle 20, two ends of the springs 24 are respectively welded and fixed with the outer wall of the handle 17 and the inner wall of the seat tube 18 corresponding to the positions, end plates 23 are welded and installed on the end bolts of the seat tube 18 far away from the casing 1, and gaps are reserved among the first baffle 19, the second baffle 20, the end plates 23 and the handles 17.

When the hand-held grip 17 is used for punching and sampling, punching vibration is firstly transmitted to the seat barrel 18 by the drill bit 8, the drill rod 7, the sleeve 6 and the casing 1 which are rigidly connected, at the moment, the vibration force is transmitted to the grip 17 and needs to pass through the spring 24, and due to the elastic action of the spring, part of the vibration force can be absorbed during transmission, the vibration is expressed as small-amplitude vibration relative to the grip 17, and the casing 1 is greatly vibrated relatively, so that the vibration force finally transmitted to the arm of a human body is weakened, and the vibration feeling of the arm is reduced.

In this embodiment, the grip 17 is further covered with a rubber anti-slip sleeve.

A hold stability for increasing the hand, the sense of touch of rubber is also better simultaneously, can promote the use travelling comfort.

Claims

1. A sampling device comprising a housing (1), characterized in that: install drive sleeve (6) pivoted motor (2) in casing (1), sleeve pipe (6) tip installs drilling rod (7) that the cavity set up, and drill bit (8) are installed to drilling rod (7) tip, and the taper surface mounting of drill bit (8) has a plurality of brill tooth (11), presets on drill bit (8) a plurality of through-holes (12) that stagger with brill tooth (11), and through-hole (12) communicate to in drilling rod (7).

2. A sampling device according to claim 1, wherein: the back of the drill bit (8) on the inner side of the drill rod (7) is provided with a back plate (13), a through hole (12) penetrates through the back plate (13), a bolt is arranged between the center position of the back plate (13) and the back of the drill bit (8), a gap is reserved between the back plate (13) and the back of the drill bit (8), a movable plate (14) is arranged in the gap, a hole is formed in the middle of the movable plate (14) and is movably sleeved on the bolt on the corresponding position, a plurality of sector plates (15) corresponding to the through hole (12) are arranged on the movable plate (14), and a baffle strip (16) propped against the side of the sector plates (15) is arranged at the side position of the through hole (12) in the rotating direction of the reverse drill bit (8).

3. A sampling device according to claim 1, wherein: the outer wall of the shell (1) is provided with a handle (17).

4. A sampling device according to claim 3, wherein: the grip (17) is sleeved with an anti-slip sleeve made of rubber.

5. A sampling device according to claim 4, wherein: a seat cylinder (18) is arranged on the machine shell (1) corresponding to the handle (17), an annular first baffle (19) and an annular second baffle (20) are arranged on the inner wall of the seat cylinder (18), gaps are reserved between the first baffle (19) and the second baffle (20) and the handle (17), one end of the handle (17) extends into the seat cylinder (18), a first annular plate (21) and a second annular plate (22) which are respectively close to the side surfaces of the first baffle (19) and the second baffle (20) are arranged on the handle (17) in the seat cylinder (18), a plurality of springs (24) are arranged between the first baffle (19) and the second baffle (20), and two ends of each spring (24) are respectively fixed with the outer wall of the handle (17) in the corresponding position and the inner wall of the seat cylinder (18).

6. A sampling device according to claim 1, wherein: a limiting plate (9) propped against the end part of the drill rod (7) is arranged in the sleeve (6), the sleeve (6) is connected with the drill rod (7) through threads, and the threads of the sleeve (6) and the drill rod (7) are reverse threads opposite to the rotation direction of the drill rod (7).