CN111997553A

CN111997553A - Grinding and milling device and method for underground petroleum drilling

Info

Publication number: CN111997553A
Application number: CN202010807932.2A
Authority: CN
Inventors: 宋桂会; 刘岩; 王学坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2020-11-27

Abstract

The invention discloses a milling device and a method for underground petroleum drilling, wherein the technical scheme is as follows: the box body is internally provided with a milling mechanism; milling mechanism includes the base, the base inlays to be established inside the box, base top fixedly connected with motor, the inside cavity of having seted up of base, motor output shaft fixedly connected with transmission shaft, run through the cavity and extend to the base bottom at the bottom of the transmission shaft, transmission shaft bottom fixedly connected with milling head, the fixed cover in the transmission shaft outside has first bevel gear, and a milling device beneficial effect that oil drilling used in the pit is: through setting up milling mechanism, in the actual work, motor work back drives the transmission shaft and grinds the milling head and rotate and grind and mill simultaneously, still will make self remove to can alleviate staff's work burden, help staff's application of force to promote to grind the milling head and be close to processing spare part, reduced staff's intensity of labour.

Description

Grinding and milling device and method for underground petroleum drilling

Technical Field

The invention relates to the technical field of milling, in particular to a milling device and a milling method for underground petroleum drilling.

Background

During the borehole operation of oil drilling, often can use milling device to some parts or pipeline milling hole or repair work, need the staff to widely promote the milling instrument when milling to spare part among the prior art for inside the milling head mills processing spare part, lead to staff's work burden big, working strength is high.

Therefore, it is necessary to invent a milling device and a method for drilling well.

Disclosure of Invention

Therefore, the invention provides a grinding and milling device and a method for underground petroleum drilling, wherein the grinding and milling mechanism is arranged, in actual work, after a motor works, the motor drives a transmission shaft and a grinding and milling head to rotate for grinding and milling, and the grinding and milling head also moves, so that the work load of workers can be reduced, the workers are assisted to apply force to push the grinding and milling head to be close to a processing part, the labor intensity of the workers is reduced, and the problems that in the prior art, when the part is ground and milled, the workers need to push a grinding and milling tool vigorously, so that the grinding and milling head is milled into the processing part, the work load of the workers is large, and the work intensity is high are solved.

In order to achieve the above purpose, the invention provides the following technical scheme: a milling device for underground petroleum drilling comprises a box body, wherein a milling mechanism is arranged in the box body;

the milling mechanism comprises a base, the base is embedded in a box body, a motor is fixedly connected to the top of the base, a cavity is formed in the base, a transmission shaft is fixedly connected to an output shaft of the motor, the bottom of the transmission shaft penetrates through the cavity and extends to the bottom of the base, a milling head is fixedly connected to the bottom end of the transmission shaft, a first bevel gear is fixedly sleeved on the outer side of the transmission shaft, second bevel gears are arranged on two sides of the first bevel gear respectively, the two second bevel gears are located on two sides of the first bevel gear respectively, the first bevel gear and the second bevel gear are located in the cavity, the second bevel gear is meshed with the first bevel gear, a first rotating shaft is fixedly connected to the outer sides of the two second bevel gears, penetrating grooves are formed in two sides of the base, the outer ends of the two first rotating shafts extend into the two penetrating grooves respectively, and a third, run through inslot portion and inlay and be equipped with the second pivot, both ends extend to outside both sides around the base respectively around the second pivot, the equal fixedly connected with gear in both ends around the second pivot, the fixed fourth bevel gear that has cup jointed in second pivot outside, fourth bevel gear is located and runs through inslot portion, fourth bevel gear is located third bevel gear one side, fourth bevel gear is connected with the meshing of third bevel gear, the equal fixedly connected with backup pad of box both sides inner wall, two the backup pad is located the base both sides respectively, two the inboard equal fixedly connected with pinion rack of backup pad, two the pinion rack is located four gear outsides respectively, the gear is connected with the meshing, logical groove has been seted up to the bottom half.

Preferably, both sides are the slider fixedly connected with around the base, the spout has all been seted up to both sides inner wall around the box, two the slider is located inside two spouts respectively, slider and spout phase-match.

Preferably, the joints of the transmission shaft, the first rotating shaft, the second rotating shaft and the base are movably connected through a first bearing.

Preferably, the top of the base is fixedly connected with a protective box, the protective box is sleeved outside the motor, and a plurality of heat dissipation holes are formed in the top of the protective box.

Preferably, base top fixedly connected with protective housing, the protective housing cover is established in the motor outside, the fixed four filter screens that are equipped with, four of inlaying in protective housing top the filter screen is circumference form evenly distributed.

Preferably, the top of the protection box is fixedly connected with a handle, the outer side of the handle is fixedly sleeved with a soft rubber pad, and the outer side of the soft rubber pad is wave-shaped.

Preferably, the bottom plate is embedded in both sides of the box body, a third rotating shaft is embedded in the bottom plate in a fixed mode, both ends of the third rotating shaft extend into the box body, the third rotating shaft is movably connected with the box body at the joint through a second bearing, the bottom plate is made of a metal iron material, and magnet blocks are embedded in both sides of the box body in a fixed mode and located on the inner sides of the two bottom plates respectively.

Preferably, two door plates are respectively embedded in the front side and the rear side of the box body, the two door plates are respectively located on the two sides of the sliding groove, the outer sides of the two door plates are movably connected with the box body through hinges, and glass plates are fixedly embedded in the door plates.

Preferably, both sides of the box body are provided with grooves, and the grooves are located at the top of the bottom plate.

Preferably, the cross-sectional shape of the through groove is two funnel shapes which are symmetrically distributed, and the through groove is positioned at the bottom of the milling head.

The invention relates to a using method of a milling device for underground petroleum drilling, which comprises the following steps:

firstly, after the milling device for underground petroleum drilling is arranged at a working position, the bottom plate (20) is put down in a rotating mode, the bottom plate (20) is stepped on by feet, then the motor (3) is started, the motor (3) works to drive the transmission shaft (4) and the milling head (5) to rotate, the transmission shaft (4) drives the first bevel gear (6) to rotate when rotating, and further drives the two second bevel gears (7) to rotate, so as to drive the two first rotating shafts (8) and the third bevel gear (9) to rotate, then the two fourth bevel gears (12) to rotate, further drives the two second rotating shafts (11) to rotate, and further drives the gear (10) to rotate, after the final gear (10) rotates, the final gear moves on the toothed plate (14), so as to push the base (2) to move downwards, further enables the milling head (5) to move downwards while rotating, and a worker can hold the handle (19), then downward force is applied, and finally the milling head (5) finishes milling work on parts at the working position under the downward movement of the milling head and the force application of workers;

in addition, when milling, the hopper-shaped through groove (15) of lower half makes the dust granule be difficult for getting into inside box (1), and the hopper-shaped through groove (15) of upper half makes the dust granule that gets into box (1) drop outside box (1) through groove (15) easily to it is inside to reduce the dust granule to get into box (1).

The invention has the beneficial effects that:

1. according to the invention, through the arrangement of the milling mechanism, in actual work, after the motor works, the transmission shaft and the milling head are driven to rotate to mill, and the milling head can move, so that the workload of workers can be reduced, the workers can be assisted to apply force to push the milling head to approach to a processing part, and the labor intensity of the workers is reduced;

2. according to the invention, the two funnel-shaped through grooves which are symmetrically distributed are arranged, so that dust particles are not easy to enter the box body by the lower funnel-shaped through groove and the dust particles entering the box body are easy to fall out of the box body by the upper funnel-shaped through groove during milling, thereby reducing the dust particles entering the box body;

3. according to the invention, through arranging the door plate and the glass plate, the dust entering condition in the box body can be conveniently observed through the glass plate on the door plate, and meanwhile, the door plate can be conveniently opened to overhaul or replace the milling head;

4. according to the invention, the rotatable and storable bottom plate is arranged, and the magnet blocks are arranged on the two sides of the box body, so that the bottom plate can be conveniently stretched out and stored, and the use is more flexible and convenient.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a front view cross-section view provided by the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 4 is a perspective view of a base provided by the present invention;

FIG. 5 is a perspective view of a handle provided by the present invention;

fig. 6 is a perspective view of a protective box according to example 2 of the present invention.

In the figure: the grinding and milling machine comprises a box body 1, a base 2, a motor 3, a transmission shaft 4, a milling head 5, a first bevel gear 6, a second bevel gear 7, a first rotating shaft 8, a third bevel gear 9, a gear 10, a second rotating shaft 11, a fourth bevel gear 12, a supporting plate 13, a toothed plate 14, a through groove 15, a sliding block 16, a protective box 17, a filter screen 18, a handle 19, a bottom plate 20, a third rotating shaft 21, a magnet block 22, a door plate 23 and a glass plate 24.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1:

referring to the attached drawings 1-5, the invention provides a milling device for an oil drilling well, which comprises a box body 1, wherein a milling mechanism is arranged in the box body 1;

the milling mechanism comprises a base 2, the base 2 is embedded in a box body 1, the top of the base 2 is fixedly connected with a motor 3, a cavity is formed in the base 2, an output shaft of the motor 3 is fixedly connected with a transmission shaft 4, the bottom of the transmission shaft 4 penetrates through the cavity and extends to the bottom of the base 2, the bottom end of the transmission shaft 4 is fixedly connected with a milling head 5, the outer side of the transmission shaft 4 is fixedly sleeved with a first bevel gear 6, two sides of the first bevel gear 6 are respectively provided with a second bevel gear 7, the two second bevel gears 7 are respectively positioned on two sides of the first bevel gear 6, the first bevel gear 6 and the second bevel gear 7 are both positioned in the cavity, the second bevel gear 7 is meshed with the first bevel gear 6, the outer sides of the two second bevel gears 7 are respectively fixedly connected with a first rotating shaft 8, the outer ends of the two first rotating shafts 8 respectively extend into the two through grooves, the outer ends of the two first rotating shafts 8 are fixedly connected with third bevel gears 9, the second rotating shafts 11 are embedded in the through grooves, the front ends and the rear ends of the second rotating shafts 11 respectively extend to the outer parts of the front side and the rear side of the base 2, the front ends and the rear ends of the second rotating shafts 11 are fixedly connected with gears 10, the outer sides of the second rotating shafts 11 are fixedly sleeved with fourth bevel gears 12, the fourth bevel gears 12 are positioned in the through grooves, the fourth bevel gears 12 are positioned on one sides of the third bevel gears 9, the fourth bevel gears 12 are meshed with the third bevel gears 9, the inner walls of the two sides of the box body 1 are fixedly connected with supporting plates 13, the two supporting plates 13 are respectively positioned on the two sides of the base 2, the inner sides of the two supporting plates 13 are fixedly connected with toothed plates 14, and the two toothed plates 14 are respectively positioned, the gear 10 is meshed with the toothed plate 14, and the bottom of the box body 1 is provided with a through groove 15;

furthermore, the front side and the rear side of the base 2 are both fixedly connected with sliding blocks 16, the inner walls of the front side and the rear side of the box body 1 are both provided with sliding grooves, the two sliding blocks 16 are respectively positioned in the two sliding grooves, and the sliding blocks 16 are matched with the sliding grooves, so that the base 2 can stably move up and down in the box body 1;

furthermore, the joints of the transmission shaft 4, the first rotating shaft 8 and the second rotating shaft 11 with the base 2 are movably connected through first bearings, which is beneficial to the stable rotation of the transmission shaft 4, the first rotating shaft 8 and the second rotating shaft 11 in the base 2;

further, a protective box 17 is fixedly connected to the top of the base 2, the protective box 17 is sleeved outside the motor 3, and a plurality of heat dissipation holes are formed in the top of the protective box 17, so that the motor 3 can be protected, and normal heat dissipation of the motor 3 can be guaranteed through the heat dissipation holes;

furthermore, the top of the protective box 17 is fixedly connected with a handle 19, a soft rubber pad is fixedly sleeved on the outer side of the handle 19, the outer side of the soft rubber pad is wave-shaped, and the wavy soft rubber pad enables workers to feel more comfortable when holding the handle 19;

further, 1 both sides of box all inlay and be equipped with bottom plate 20, the inside fixed third pivot 21 that inlays of bottom plate 20, both ends all extend to inside 1 of box around the third pivot 21, third pivot 21 all passes through second bearing swing joint with the box 1 junction, bottom plate 20 is made by metal iron material, 1 both sides of box are all fixed to be inlayed and are equipped with magnet piece 22, two magnet piece 22 is located two bottom plates 20 inboards respectively, is of value to when needs use, can put down bottom plate 20, steps on bottom plate 20 with the foot, and then the milling work is carried out to starter motor 3.

Further, both sides inlay respectively around the box 1 and are equipped with two door plant 23, two door plant 23 is located the spout both sides respectively, two the door plant 23 outside all is through hinge and 1 swing joint of box, the inside glass board 24 that all fixes of door plant 23 is equipped with, conveniently observes the inside dust condition of getting into of box 1 through the glass board 24 on the door plant 23, conveniently opens door plant 23 simultaneously and overhauls or change milling head 5.

Furthermore, grooves are formed in two sides of the box body 1 and are located at the top of the bottom plate 20, and therefore workers can lift the lifting device conveniently through the two grooves.

Further, lead to groove 15 cross sectional shape for two mutual symmetric distributions leak hopper-shaped, lead to groove 15 and be located milling head 5 bottom, two mutual symmetric distributions leak hopper-shaped be favorable to reducing the milling when dust granule gets into inside box 1 through leading to groove 15.

firstly, after the milling device for underground petroleum drilling provided by the invention is arranged at a working position, the lower bottom plate 20 is rotationally placed, the foot is used for stepping on the bottom plate 20, then the motor 3 is started, the motor 3 works to drive the transmission shaft 4 and the milling head 5 to rotate, the transmission shaft 4 drives the first bevel gear 6 to rotate and further drives the two second bevel gears 7 to rotate when rotating, so as to drive the two first rotating shafts 8 and the third bevel gear 9 to rotate, then the two fourth bevel gears 12 rotate and further drive the two second rotating shafts 11 and further drive the gear 10 to rotate, after the final gear 10 rotates, the toothed plate is moved on the gear 14, so as to push the base 2 to move downwards, so that the milling head 5 moves downwards while rotating, a worker can hold the handle 19 and apply force downwards, and finally the milling head 5 moves downwards under the action of the worker, finishing milling work on parts at the working positions;

in addition, when milling, the hopper-shaped through groove 15 of lower half makes the dust granule be difficult for getting into inside box 1, and the hopper-shaped through groove 15 of upper half makes the dust granule that gets into box 1 drop out of box 1 through groove 15 easily to it is inside to reduce the dust granule to get into box 1.

Example 2:

referring to the attached drawings 1-6, the invention provides a milling device for underground petroleum drilling, which is different from the embodiment 1 in that:

2 top fixedly connected with protecting box 17 of base, the protecting box 17 cover is established in the 3 outsides of motor, protecting box 17 top is fixed to be inlayed and is equipped with four filter screens 18, four filter screen 18 is circumference form evenly distributed, compares in embodiment 1, and the bleeder vent is seted up at protecting box 17 top, and filter screen 18 not only can effectively guarantee that motor 3 during operation normally dispels the heat, still can effectively prevent to get into the inside influence motor 3 normal use of protecting box 17 when the during operation dust dances.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a milling device that oil drilling used in pit, includes box (1), its characterized in that: a milling mechanism is arranged in the box body (1);

the milling mechanism comprises a base (2), the base (2) is embedded in a box body (1), a motor (3) is fixedly connected to the top of the base (2), a cavity is formed in the base (2), a transmission shaft (4) is fixedly connected to an output shaft of the motor (3), the bottom of the transmission shaft (4) penetrates through the cavity and extends to the bottom of the base (2), a milling head (5) is fixedly connected to the bottom end of the transmission shaft (4), a first bevel gear (6) is fixedly sleeved on the outer side of the transmission shaft (4), second bevel gears (7) are arranged on two sides of the first bevel gear (6), the two second bevel gears (7) are respectively located on two sides of the first bevel gear (6), the first bevel gear (6) and the second bevel gear (7) are located in the cavity, and the second bevel gears (7) are in meshed connection with the first bevel gear (6), the outer sides of the two second bevel gears (7) are fixedly connected with first rotating shafts (8), through grooves are formed in two sides of the base (2), the outer ends of the two first rotating shafts (8) extend into the two through grooves respectively, the outer ends of the two first rotating shafts (8) are fixedly connected with third bevel gears (9), second rotating shafts (11) are embedded in the through grooves, the front ends and the rear ends of the second rotating shafts (11) extend out of the front sides and the rear sides of the base (2) respectively, gears (10) are fixedly connected with the front ends and the rear ends of the second rotating shafts (11), fourth bevel gears (12) are fixedly sleeved on the outer sides of the second rotating shafts (11), the fourth bevel gears (12) are located in the through grooves, the fourth bevel gears (12) are located on one side of the third bevel gears (9), and the fourth bevel gears (12) are meshed with the third bevel gears (9), the all fixedly connected with backup pad (13), two of box (1) both sides inner wall backup pad (13) are located base (2) both sides respectively, two equal fixedly connected with pinion rack (14) in backup pad (13) inboard, two pinion rack (14) are located four gear (10) outsides respectively, gear (10) are connected with pinion rack (14) meshing, logical groove (15) have been seted up to box (1) bottom.

2. The milling device for use in a well for drilling oil according to claim 1, wherein: base (2) front and back both sides equal fixedly connected with slider (16), the spout has all been seted up to both sides inner wall around box (1), two slider (16) are located two spouts inside respectively, slider (16) and spout phase-match.

3. The milling device for use in a well for drilling oil according to claim 1, wherein: the joint of the transmission shaft (4), the first rotating shaft (8) and the second rotating shaft (11) with the base (2) is movably connected through a first bearing.

4. The milling device for use in a well for drilling oil according to claim 1, wherein: the motor protection device is characterized in that a protection box (17) is fixedly connected to the top of the base (2), the protection box (17) is sleeved on the outer side of the motor (3), and a plurality of heat dissipation holes are formed in the top of the protection box (17).

5. The milling device for use in a well for drilling oil according to claim 1, wherein: base (2) top fixedly connected with protective housing (17), protective housing (17) cover is established in the motor (3) outside, protective housing (17) top is fixed to be inlayed and is equipped with four filter screens (18), four filter screen (18) are circumference form evenly distributed.

6. A milling device for use downhole in oil drilling according to claim 4 or 5, wherein: the protection box (17) top fixedly connected with handle (19), the fixed cover in handle (19) outside has connect soft cushion, the soft cushion outside sets up to the wave.

7. The milling device for use in a well for drilling oil according to claim 1, wherein: the utility model discloses a box, including box (1), bottom plate (20), third pivot (21) and box (1), box (1) both sides all inlay and are equipped with bottom plate (20), bottom plate (20) inside fixed the inlaying is equipped with third pivot (21), both ends all extend to inside box (1) around third pivot (21), third pivot (21) all pass through second bearing swing joint with box (1) junction, bottom plate (20) are made by metallic iron material, box (1) both sides are all fixed the inlaying and are equipped with magnet piece (22), two magnet piece (22) are located two bottom plate (20) inboards respectively.

8. The milling device for the downhole drilling of oil wells according to claim 2, wherein: two door plants (23) are respectively embedded in the front side and the rear side of the box body (1), the two door plants (23) are respectively located on the two sides of the sliding groove, the outer sides of the door plants (23) are movably connected with the box body (1) through hinges, and glass plates (24) are fixedly embedded in the door plants (23).

9. The milling device for use in an oil drilling well according to claim 7, wherein: the milling machine is characterized in that grooves are formed in two sides of the box body (1), the grooves are located in the top of the bottom plate (20), the cross sections of the through grooves (15) are funnel-shaped, the two funnel-shaped sections are symmetrically distributed, and the through grooves (15) are located at the bottom of the milling head (5).

10. A method of using a milling device for downhole drilling in oil wells according to any of claims 1-9, characterized in that it comprises the following steps: