CN111550178A

CN111550178A - Device for extracting rock fragments during drilling

Info

Publication number: CN111550178A
Application number: CN202010535080.6A
Authority: CN
Inventors: 黄俊煌
Original assignee: Ningbo Xichu Machinery Technology Co ltd
Current assignee: Ningbo Xichu Machinery Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-08-18

Abstract

The invention discloses a device for extracting rock fragments during well drilling, which comprises a working shell fixed on a telescopic rod of the well drilling, wherein a working cavity is arranged in the working shell, a fixed block is fixedly arranged on the inner wall of the right side in the working cavity, the upper end of the fixed block is connected with an extraction container in a sliding manner, three extraction containers can be accommodated in the working cavity, and the three extraction containers are mutually connected in a sliding manner; the speed reduction assembly is adopted to reduce the speed of the power of the drill bit drilling and transmit the power to the fourth transmission shaft, so that the downward moving speed of the toothed sliding block is not too high, the longer distance is kept when rock fragments are extracted every time, and the accuracy of data is guaranteed.

Description

Device for extracting rock fragments during drilling

Technical Field

The invention relates to the technical field of drilling equipment, in particular to a device for extracting rock fragments during drilling.

Background

When drilling, it is often necessary to sample rock fragments from rock strata at different depths to determine ultimately the best solution for subsequent work. However, the conventional sampling is carried out after the well is drilled, and the sampling cannot be directly carried out during the well drilling, so that rock fragments with the required depth cannot be timely sampled, and an optimal scheme cannot be formulated.

Disclosure of Invention

The object of the present invention is to provide a device for extracting rock fragments during drilling, which overcomes the above-mentioned drawbacks of the prior art.

The invention relates to a device for extracting rock fragments during well drilling, which comprises a working shell fixed on a telescopic rod of the well drilling, wherein a working cavity is arranged in the working shell, a fixed block is fixedly arranged on the inner wall of the right side in the working cavity, an extraction container is connected to the upper end of the fixed block in a sliding manner, three extraction containers can be contained in the working cavity and are mutually connected in a sliding manner, a fixed assembly is arranged in the working cavity, the fixed assembly is connected to a sliding block on the inner wall of the right side of the working cavity in a sliding manner, a horizontal block is fixedly arranged at the lower end of the sliding block and is provided with teeth at the lower end, a rock block extraction assembly is arranged in the extraction container, and the rock block extraction assembly comprises a transmission cavity arranged in the extraction container, a horizontal support fixedly arranged on the inner wall of the left side of the transmission cavity, a sliding support arranged in the, Set firmly in the vertical piece of sliding support lower extreme, locate draw in the container and be located the chamber is drawn to transmission chamber downside, still be equipped with in the working housing and be located the power chamber of working chamber downside, the power intracavity is equipped with the speed reduction subassembly.

Preferably, the power cavity rear side inner wall has set firmly the motor, power cavity downside inner wall rotate be connected have downwardly extending to the external world and with the first transmission shaft that motor lower extreme power is connected, be located the external drill bit has set firmly on the first transmission shaft.

Wherein the fixing component also comprises a first spring connected between the inner wall of the upper side of the working cavity and the sliding block, the inner wall of the rear side of the working cavity is rotationally connected with a second transmission shaft positioned on the left side of the sliding block, a friction wheel in friction connection with the left end of the sliding block is fixedly arranged on the second transmission shaft, a first belt wheel positioned at the front side of the friction wheel is fixedly arranged on the second transmission shaft, a third transmission shaft is rotatably connected with the inner wall of the front side of the working cavity, a second belt wheel is fixedly arranged on the third transmission shaft, a connecting belt is connected between the second belt wheel and the first belt wheel, a first bevel gear positioned at the rear side of the second belt wheel is fixedly arranged on the third transmission shaft, a fourth transmission shaft which extends downwards to the inner wall of the lower side of the working cavity is rotatably connected with the inner wall of the upper side of the working cavity, and a second bevel gear in meshed connection with the first bevel gear is fixedly arranged on the fourth transmission shaft.

Wherein, the rock mass extracting component also comprises a second spring connected between the horizontal bracket and the right inner wall of the reset cavity, the left inner wall of the extracting cavity is fixedly provided with a limit block which can be abutted against the left end of the sliding bracket, the rear inner wall of the transmission cavity is rotationally connected with a fifth transmission shaft positioned at the upper side of the sliding bracket, the fifth transmission shaft is fixedly provided with a first gear which is engaged with the toothed part at the upper end of the sliding bracket, the fifth transmission shaft is fixedly provided with a third bevel gear positioned at the front side of the first gear, the left inner wall of the transmission cavity is rotationally connected with a sixth transmission shaft which extends leftwards into the working cavity, the sixth transmission shaft positioned in the transmission cavity is fixedly provided with a fourth bevel gear which is engaged with the third bevel gear, and the sixth transmission shaft positioned in the working cavity is fixedly provided with a second gear, the inner wall of the rear side of the working cavity is slidably connected with a toothed sliding block in threaded connection with the threaded part on the fourth transmission shaft, a third spring is connected between the toothed sliding block and the inner wall of the upper side of the working cavity, and the toothed part at the front end of the toothed sliding block can be meshed with the second gear.

Wherein, the speed reducing component comprises a seventh transmission shaft which is connected with the upper end of the motor in a power way, a third gear is fixedly arranged on the seventh transmission shaft, a rotating bracket which is arranged on the lower side of the third gear is rotatably connected on the seventh transmission shaft, three eighth transmission shafts are rotatably connected on the rotating bracket in a one hundred twenty degree way, a fourth gear which is meshed with the third gear is fixedly arranged on each eighth transmission shaft, the radius of the fourth gear is larger than that of the third gear, a linkage block is fixedly arranged at the center of the upper end of the fourth gear, two fixed brackets are fixedly arranged on the inner walls of the front side and the rear side of the power cavity, a fixed gear ring is fixedly connected on the fixed bracket at the front side, the fixed gear ring is fixedly connected with the fixed bracket at the rear side, the toothed part of the inner ring of the fixed gear ring is meshed with the three fourth gears, and a ninth transmission shaft which extends upwards into the working cavity is rotatably connected on the inner wall of the upper side, the ninth transmission shaft in the power cavity is fixedly provided with a rotating wheel, the lower end of the rotating wheel is arranged in a linkage cavity connected with the linkage block in a sliding mode, the ninth transmission shaft in the working cavity is fixedly provided with an one-way bearing only capable of achieving one-way transmission, the outer surface of the one-way bearing is fixedly provided with a third belt wheel, the fourth transmission shaft is fixedly provided with a fourth belt wheel, and a transmission belt is connected between the fourth belt wheel and the third belt wheel.

The invention has the beneficial effects that: the invention adopts the toothed sliding block capable of sliding up and down, and the front end toothed part of the toothed sliding block sliding down is meshed with the corresponding second gear, so that different rock fragments are extracted into the corresponding extraction cavities at different heights; the speed reduction assembly is adopted to reduce the speed of the power of the drill bit drilling and transmit the power to the fourth transmission shaft, so that the downward moving speed of the toothed sliding block is not too high, the longer distance is kept when rock fragments are extracted every time, and the accuracy of data is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall construction of a device for extracting rock fragments during drilling according to the present invention;

FIG. 2 is a schematic enlarged view of the structure of "A" of FIG. 1;

FIG. 3 is a schematic enlarged view of the structure of "B" of FIG. 1;

fig. 4 is a schematic view of the structure in the direction "C-C" of fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-4, an apparatus for extracting rock fragments during drilling according to an embodiment of the present invention includes a working housing 11 fixed on a telescopic rod of a drilling well, a working chamber 12 is disposed in the working housing 11, a fixing block 46 is fixedly disposed on a right inner wall of the working chamber 12, an extraction container 40 is slidably connected to an upper end of the fixing block 46, three extraction containers 40 are accommodated in the working chamber 12, the three extraction containers 40 are slidably connected to each other, a fixing assembly 901 is disposed in the working chamber 12, the fixing assembly 901 is slidably connected to a sliding block 23 on the right inner wall of the working chamber 12, a horizontal block 24 fixed to a lower end of the sliding block 23 and having teeth at a lower end thereof, when the sliding block 23 moves downward, the teeth at a lower end of the horizontal block 24 are cooperatively connected to the teeth at an upper end of the extraction container 40 at an uppermost side, thereby preventing the three extraction containers 40 from sliding, a rock mass extraction assembly 902 is arranged in the extraction container 40, the rock mass extraction assembly 902 comprises a transmission cavity 39 arranged in the extraction container 40, a horizontal support 35 fixedly arranged on the left inner wall of the transmission cavity 39, a sliding support 29 arranged in the transmission cavity 39, a reset cavity 31 arranged in the sliding support 29 and slidably connected with the horizontal support 35, a vertical block 30 fixedly arranged at the lower end of the sliding support 29, and an extraction cavity 61 arranged in the extraction container 40 and positioned at the lower side of the transmission cavity 39, the vertical block 30 is driven to move rightwards by the rightward sliding of the sliding support 29, when the sliding support 29 is reset leftwards, the vertical block 30 extracts external rock fragments into the extraction cavity 61, and a power cavity 57 positioned at the lower side of the working cavity 12 is further arranged in the working shell 11, a speed reducing assembly 903 capable of reducing the speed of power and transmitting the power to other assemblies is arranged in the power cavity 57.

Advantageously, the motor 53 is fixedly arranged on the inner wall of the rear side of the power cavity 57, the first transmission shaft 54 which extends downwards to the outside and is in power connection with the lower end of the motor 53 is rotatably connected to the inner wall of the lower side of the power cavity 57, and the drill bit 14 is fixedly arranged on the first transmission shaft 54 which is positioned on the outside.

According to the embodiment, the fixing assembly 901 is described in detail below, the fixing assembly 901 further includes a first spring 22 connected between an upper inner wall of the working chamber 12 and the sliding block 23, a second transmission shaft 20 located at a left side of the sliding block 23 is rotatably connected to a rear inner wall of the working chamber 12, a friction wheel 21 frictionally connected to a left end of the sliding block 23 is fixedly disposed on the second transmission shaft 20, a first pulley 62 located at a front side of the friction wheel 21 is fixedly disposed on the second transmission shaft 20, a third transmission shaft 17 is rotatably connected to a front inner wall of the working chamber 12, a second pulley 16 is fixedly disposed on the third transmission shaft 17, a connecting belt 19 is connected between the second pulley 16 and the first pulley 62, a first bevel gear 18 located at a rear side of the second pulley 16 is fixedly disposed on the third transmission shaft 17, a fourth transmission shaft 13 extending downward to a lower inner wall of the working chamber 12 is rotatably connected to an upper inner wall of the working chamber 12, the fourth transmission shaft 13 is fixedly provided with a second bevel gear 15 engaged with the first bevel gear 18, and the sliding block 23 is moved downwards by clockwise rotation of the friction wheel 21 and presses the three extraction containers 40 through the horizontal block 24.

According to the embodiment, the rock mass extracting assembly 902 will be described in detail below, the rock mass extracting assembly 902 further includes a second spring 32 connected between the horizontal bracket 35 and the inner wall of the right side of the reset cavity 31, a limit block 34 capable of abutting against the left end of the sliding bracket 29 is fixedly arranged on the inner wall of the left side of the extracting cavity 61, a fifth transmission shaft 27 located on the upper side of the sliding bracket 29 is rotatably connected to the inner wall of the rear side of the transmission cavity 39, a first gear 25 engaged with the toothed part of the upper end of the sliding bracket 29 is fixedly arranged on the fifth transmission shaft 27, a third bevel gear 26 located on the front side of the first gear 25 is fixedly arranged on the fifth transmission shaft 27, a sixth transmission shaft 36 extending leftwards into the working cavity 12 is rotatably connected to the inner wall of the left side of the transmission cavity 39, a fourth bevel gear 33 engaged with the third bevel gear 26 is fixedly arranged on the sixth transmission shaft 36 located in the transmission cavity 39, a second gear 37 is fixedly arranged on the sixth transmission shaft 36 positioned in the working cavity 12, a toothed sliding block 38 in threaded connection with a threaded part on the fourth transmission shaft 13 is slidably connected to the inner wall of the rear side of the working cavity 12, a third spring 41 is connected between the toothed sliding block 38 and the inner wall of the upper side of the working cavity 12, and the toothed part at the front end of the toothed sliding block 38 can be meshed with the second gear 37.

According to the embodiment, the speed reducing assembly 903 is described in detail below, the speed reducing assembly 903 includes a seventh transmission shaft 52 that is power-connected to the upper end of the motor 53, a third gear 55 is fixedly installed on the seventh transmission shaft 52, a rotating bracket 51 that is located below the third gear 55 is rotatably connected to the seventh transmission shaft 52, three eighth transmission shafts 50 are rotatably connected to the rotating bracket 51 in a one-hundred-twenty degree relationship, a fourth gear 49 that is engaged with the third gear 55 is fixedly installed on the eighth transmission shafts 50, the fourth gear 49 has a larger radius than the third gear 55, a linkage block 56 is fixedly installed at the center of the upper end of the fourth gear 49, two fixing brackets 60 are fixedly installed on the inner walls of the front and rear sides of the power cavity 57, a fixing gear ring 48 is fixedly installed on the fixing bracket 60 on the front side, and the fixing gear ring 48 is fixedly connected to the fixing bracket 60 on the rear side, and the toothed part of the inner ring of the fixed gear ring 48 is meshed with three fourth gears 49, the inner wall of the upper side of the power cavity 57 is rotatably connected with a ninth transmission shaft 45 which extends upwards into the working cavity 12, a rotating wheel 47 is fixedly arranged on the ninth transmission shaft 45 in the power cavity 57, the lower end of the rotating wheel 47 is arranged in a linkage cavity 58 which is in sliding connection with the linkage block 56, a one-way bearing 44 which can only perform one-way transmission is fixedly arranged on the ninth transmission shaft 45 in the working cavity 12, a third belt wheel 43 is fixedly arranged on the outer surface of the one-way bearing 44, a fourth belt wheel 59 is fixedly arranged on the fourth transmission shaft 13, and a transmission belt 42 is connected between the fourth belt wheel 59 and the third belt wheel 43.

In the initial state, the horizontal block 24 is in the upper limit position, the toothed slider 38 is in the upper limit position, and the vertical block 30 is in the left limit position.

When drilling and sampling are carried out, the working shell 11 moves downwards, the motor 53 is started to enable the first transmission shaft 54 and the seventh transmission shaft 52 to rotate, the rotating first transmission shaft 54 drives the drill bit 14 to rotate, the rotating drill bit 14 moves downwards to drill the rock and break the rock into rock fragments, the rotating seventh transmission shaft 52 drives the third gear 55 to rotate, the rotating third gear 55 enables the ninth transmission shaft 45 to rotate in a speed reduction mode through the fourth gear 49, the linkage block 56 and the rotating wheel 47, the rotating direction of the ninth transmission shaft 45 is the same as the transmission direction of the one-way bearing 44, the rotating ninth transmission shaft 45 drives the fourth transmission shaft 13 to rotate sequentially through the one-way bearing 44, the third belt wheel 43, the transmission belt 42 and the fourth belt wheel 59, the rotating fourth transmission shaft 13 drives the third transmission shaft 17 to rotate sequentially through the second bevel gear 15 and the first bevel gear 18, the third transmission shaft 17 rotating clockwise drives the second transmission shaft 20 to rotate clockwise sequentially through the second belt wheel 16, the connecting belt 19 and the first belt wheel 62, the second transmission shaft 20 rotating clockwise drives the horizontal block 24 to move downwards through the friction wheel 21 and the sliding block 23 and enables the toothed part at the lower end of the horizontal block 24 to be matched and connected with the toothed part at the upper end of the uppermost extraction container 40, so that the three extraction containers 40 are prevented from sliding, the first spring 22 accumulates elastic potential energy, the fourth transmission shaft 13 rotating clockwise drives the toothed sliding block 38 to move downwards, the third spring 41 accumulates elastic potential energy, when the toothed sliding block 38 moving downwards drives the second gear 37 to rotate, the second gear 37 rotating clockwise drives the fifth transmission shaft 27 to rotate anticlockwise sequentially through the sixth transmission shaft 36, the fourth bevel gear 33 and the third bevel gear 26, and the fifth transmission shaft 27 rotating anticlockwise drives the sliding bracket 29 to move rightwards through the first gear 25, the second spring 32 accumulates elastic potential energy, the sliding bracket 29 moving to the right drives the vertical block 30 to move to the outside, along with the continuous downward movement of the toothed sliding block 38, when the toothed part at the front end of the toothed sliding block 38 is not meshed with the second gear 37, the second spring 32 releases the elastic potential energy and drives the vertical block 30 to move to the left through the sliding bracket 29 and reset, the vertical block 30 moving to the left extracts outside rock fragments into the corresponding extraction cavity 61, along with the continuous descending of the working shell 11, the rock fragments with different depths are extracted into the corresponding extraction cavity 61, when the extraction is completed, the motor 53 is turned off, the drill bit 14 loses power and does not rotate any more, the third spring 41 releases the elastic potential energy and drives the toothed sliding block 38 to move upwards, when the toothed sliding block 38 moves upwards and the last second gear 37 is meshed with each other, the last sliding bracket 29 is abutted against the limiting block 34, the toothed slider 38 cannot move upward, when the extraction container 40 is taken out to the right by an external manipulator, the toothed slider 38 can be reset upward, the first spring 22 releases the elastic potential energy and drives the horizontal block 24 to move upward and reset, and in the process of resetting the toothed slider 38, the rotation direction of the third belt wheel 43 is different from the transmission direction of the one-way bearing 44, so that the drill bit 14 does not rotate at this time, and the device returns to the initial state.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a broken extraction element of rock during drilling, is including fixing the work casing on the drilling telescopic link, be equipped with the working chamber in the work casing, the inner wall of working chamber right side has set firmly the fixed block, fixed block upper end sliding connection has the extraction container, can hold threely in the working chamber the extraction container, and three the mutual sliding connection of extraction container, its characterized in that: a fixing component is arranged in the working cavity, the fixing component is connected with a sliding block on the inner wall of the right side of the working cavity in a sliding manner, and a horizontal block which is fixedly arranged at the lower end of the sliding block and is provided with teeth at the lower end is fixedly arranged; draw and be equipped with the detritus in the container and draw the subassembly, the detritus draws the subassembly including locating draw transmission chamber in the container, set firmly in the horizontal stand of transmission chamber left side inner wall, locate sliding support in the transmission intracavity, locate in the sliding support and horizontal stand sliding connection's the chamber that resets, set firmly in the vertical piece of sliding support lower extreme, locate draw in the container and be located the chamber is drawed to transmission chamber downside, still be equipped with in the working casing and be located the power chamber of working chamber downside, the power intracavity is equipped with the speed reduction subassembly.

2. A device for extraction of rock fragments during drilling according to claim 1 wherein: the power cavity rear side inner wall has set firmly the motor, power cavity downside inner wall rotate be connected have downwardly extending outside and with the first transmission shaft that motor lower extreme power is connected is located the external drill bit has set firmly on the first transmission shaft.

3. A device for extraction of rock fragments during drilling according to claim 1 wherein: the fixing component also comprises a first spring connected between the inner wall of the upper side of the working cavity and the sliding block, the inner wall of the rear side of the working cavity is rotationally connected with a second transmission shaft positioned on the left side of the sliding block, a friction wheel in friction connection with the left end of the sliding block is fixedly arranged on the second transmission shaft, a first belt wheel positioned at the front side of the friction wheel is fixedly arranged on the second transmission shaft, a third transmission shaft is rotatably connected with the inner wall of the front side of the working cavity, a second belt wheel is fixedly arranged on the third transmission shaft, a connecting belt is connected between the second belt wheel and the first belt wheel, a first bevel gear positioned at the rear side of the second belt wheel is fixedly arranged on the third transmission shaft, a fourth transmission shaft which extends downwards to the inner wall of the lower side of the working cavity is rotatably connected with the inner wall of the upper side of the working cavity, and a second bevel gear in meshed connection with the first bevel gear is fixedly arranged on the fourth transmission shaft.

4. A device for extraction of rock fragments during drilling according to claim 1 wherein: the rock mass extracting assembly further comprises a second spring connected between the horizontal support and the inner wall of the right side of the reset cavity, a limiting block capable of being abutted to the left end of the sliding support is fixedly arranged on the inner wall of the left side of the extracting cavity, a fifth transmission shaft located on the upper side of the sliding support is rotatably connected to the inner wall of the rear side of the transmission cavity, a first gear meshed with the toothed part on the upper end of the sliding support is fixedly arranged on the fifth transmission shaft, a third bevel gear located on the front side of the first gear is fixedly arranged on the fifth transmission shaft, the inner wall of the left side of the transmission cavity is rotatably connected with a sixth transmission shaft extending leftwards into the working cavity, a fourth bevel gear meshed with the third bevel gear is fixedly arranged on the sixth transmission shaft located in the working cavity, a second gear is fixedly arranged on the sixth transmission shaft, and the inner wall of the rear side of the working cavity is slidably connected with a threaded part on the fourth transmission shaft And a third spring is connected between the toothed sliding block and the inner wall of the upper side of the working cavity, and the toothed part at the front end of the toothed sliding block can be meshed with the second gear.

5. A device for extraction of rock fragments during drilling according to claim 2 wherein: the speed reducing assembly comprises a seventh transmission shaft which is in power connection with the upper end of the motor, a third gear is fixedly arranged on the seventh transmission shaft, a rotating bracket which is positioned on the lower side of the third gear is rotatably connected on the seventh transmission shaft, three eighth transmission shafts are rotatably connected on the rotating bracket in a one hundred twenty degree manner, a fourth gear which is in meshing connection with the third gear is fixedly arranged on each eighth transmission shaft, the radius of the fourth gear is larger than that of the third gear, a linkage block is fixedly arranged at the center of the upper end of the fourth gear, two fixed brackets are fixedly arranged on the inner walls of the front side and the rear side of the power cavity, a fixed gear ring is fixedly arranged on the fixed bracket on the front side, the fixed gear ring is fixedly connected with the fixed bracket on the rear side, the toothed part of the inner ring of the fixed gear is in meshing connection with the three fourth gears, and a ninth transmission shaft which extends upwards into the working cavity is rotatably connected on the inner wall of the upper, the ninth transmission shaft in the power cavity is fixedly provided with a rotating wheel, the lower end of the rotating wheel is arranged in a linkage cavity connected with the linkage block in a sliding mode, the ninth transmission shaft in the working cavity is fixedly provided with an one-way bearing only capable of achieving one-way transmission, the outer surface of the one-way bearing is fixedly provided with a third belt wheel, the fourth transmission shaft is fixedly provided with a fourth belt wheel, and a transmission belt is connected between the fourth belt wheel and the third belt wheel.