阅读说明：本技术 一种石油勘探用的打孔设备 (Drilling equipment for oil exploration ) 是由 刘晓思 于 2020-12-25 设计创作，主要内容包括：本发明涉及一种石油勘探用的打孔设备,包括连接杆、第一转杆、第二转杆和连接机构,所述连接机构包括从动组件和限位组件,该石油勘探用的打孔设备通过连接机构实现对第一转杆和第二转杆的转动,当第一转杆正转时,通过从动组件实现对第二转杆的反转,同时实现对第二转杆的加速,使得第二转杆更好的实现转孔,这里通过扭簧的回复力使得拉绳始终处于绷紧的状态,同时通过抵靠组件实现对第一转杆和第二转杆的弹性固定,提高了使用的实用性,而且还能通过第一转杆和第二转杆的转动方向的相反还能实现对泥土的切割,使得泥土可以更好的被气管吸收,提高排泥效果。(The invention relates to a drilling device for oil exploration, which comprises a connecting rod, a first rotating rod, a second rotating rod and a connecting mechanism, wherein the connecting mechanism comprises a driven assembly and a limiting assembly, the drilling equipment for oil exploration realizes the rotation of the first rotating rod and the second rotating rod through the connecting mechanism, when the first rotating rod rotates forwards, the second rotating rod rotates backwards through the driven component, at the same time, the second rotating rod is accelerated, so that the second rotating rod can better realize hole rotation, the stay cord is always in a tight state through the restoring force of the torsion spring, meanwhile, the elastic fixation of the first rotating rod and the second rotating rod is realized through the abutting component, the practicability of use is improved, but also can also realize the cutting to earth through the opposite of the rotation direction of first bull stick and second bull stick for earth can be better by the trachea absorption, improve row's mud effect.)

1. The perforating equipment for oil exploration is characterized by comprising a connecting rod (1), a first rotating rod (2), a second rotating rod (3) and a connecting mechanism, wherein the first rotating rod (2) is vertically arranged, the second rotating rod (3) is vertically arranged below the first rotating rod (2), the first rotating rod (2) and the second rotating rod (3) are coaxially arranged, the connecting rod (1) is vertically arranged above the first rotating rod (2), the connecting rod (1) is connected with an external driving device, and the connecting mechanism is arranged between the first rotating rod (2) and the second rotating rod (3);

the connecting mechanism comprises a driven assembly and a limiting assembly, the driven assembly comprises a driven unit and a connecting unit, the driven unit is arranged at one end, close to the first rotating rod (2), of the second rotating rod (3), the driven unit comprises a driven rod (4) and a first gear (5), the first gear (5) is horizontally arranged above the second rotating rod (3), the driven rod (4) is arranged between the first gear (5) and the second rotating rod (3), one end of the driven rod (4) is connected with the second rotating rod (3), the other end of the driven rod (4) is connected with the first gear (5), the driven rod (4) is in key connection with the first gear (5), and the driven rod (4) and the second rotating rod (3) are coaxially arranged;

one end of the first rotating rod (2) close to the second rotating rod (3) is provided with a cylindrical groove, the connecting unit is arranged in the cylindrical groove and comprises a second gear (6), a third gear (7), a bearing seat (8) and a supporting rod (9), the second gear (6) is an internal gear, the second gear (6) is arranged in the cylindrical groove, the outer ring of the second gear (6) is fixedly connected with the inner ring of the cylindrical groove, the bearing seat (8) is arranged at the bottom end inside the cylindrical groove, the third gear (7) is arranged below the bearing seat (8), the third gear (7) is positioned at one side of the second gear (6), the supporting rod (9) is arranged between the third gear (7) and the bearing seat (8), one end of the supporting rod (9) is connected with the bearing seat (8), and the other end of the supporting rod (9) is connected with the third gear (7), the third gear (7) is in key connection with the support rod (9), the third gear (7) is meshed with the second gear (6), and the second gear (6) is meshed with the first gear (5);

an annular limiting ring (10) is arranged at the top end of the second rotating rod (3), an annular limiting groove is arranged at the bottom end of the first rotating rod (2), the limiting ring (10) is located in the limiting groove, the limiting ring (10) is in sliding connection with the limiting groove, and the driven unit is located in the limiting ring (10);

the limiting assembly is arranged between the third gear (7) and the inner wall of the cylindrical groove, the limiting assembly comprises a limiting unit and an abutting unit, the limiting unit comprises a pull rope (11), a first fixed pulley (12), a second fixed pulley (13) and a take-up reel (14), the first fixed pulley (12) is arranged at one end, away from the second rotating rod (3), of the first gear (5), the second fixed pulley (13) is arranged at one end, away from the second rotating rod (3), of the third gear (7), the take-up reel (14) is arranged at the bottom end inside the cylindrical groove, one end of the pull rope (11) is connected with the middle of the first gear (5), one side of the other end of the pull rope (11) rounds the first fixed pulley (12) and the second fixed pulley (13) to be connected with the take-up reel (14), and a torsion spring is arranged in the take-up reel (14);

a communicating groove is arranged between the column-shaped groove and the limiting groove, the column-shaped groove is communicated with the limiting groove through the communicating groove, the abutting unit is positioned in the communicating groove, the abutting unit comprises an abutting plate (15), a spring (16), a cross rod (17), a positioning rod (18) and a positioning plate (19), the abutting plate (15) is arranged in the limiting groove, the cross rod (17) is horizontally arranged in the communicating groove, the positioning rod (18) is vertically arranged in the communicating groove, one end of the positioning rod (18) is hinged with the cross rod (17), the other end of the positioning rod (18) is connected with the inner wall of the positioning groove, one end of the cross rod (17) is positioned in the limiting groove, the other end of the cross rod (17) is positioned in the column-shaped groove, the spring (16) is arranged between the abutting plate (15) and the cross rod (17), one end of the spring (16) is connected with the cross rod (17), the other end and the support plate (15) of spring (16) are connected, locating plate (19) set up on horizontal pole (17) are kept away from the one end of support plate (15), locating plate (19) are located second fixed pulley (13), the one end that horizontal pole (17) were kept away from in locating plate (19) supports with second fixed pulley (13) and leans on.

2. The perforating device for oil exploration according to claim 1, characterized in that the articulation of the cross bar (17) with the positioning bar (18) is provided with a torsion spring.

3. The perforating device for oil exploration according to claim 1, characterized in that the end of the positioning plate (19) remote from the cross bar (17) is arc-shaped, the center of the arc is located on the cross bar (17), and the outer ring of the second fixed pulley (13) abuts against the arc of the positioning plate (19).

4. The perforating device for oil exploration according to claim 3, characterized in that the arc of the locating plate (19) is provided with a strip-shaped groove, the pulling rope (11) being located in the groove.

5. Perforating device for oil exploration, as claimed in claim 1, characterized in that said driven rod (4) is provided with a fan (20).

6. The perforating device for oil exploration according to claim 1, characterized in that the second rotating rod (3) is provided with a plurality of vertical air holes at its end close to the first rotating rod (2), and the second rotating rod (3) is provided with a plurality of perforations, which are in communication with the air holes.

7. Perforating device for oil exploration, according to claim 1, characterized in that the first gear wheel (5), the second gear wheel (6) and the third gear wheel (7) are coated with a lubricating oil.

8. Perforating device for oil exploration, as claimed in claim 1, characterized in that said fan (20) is made of copper.

9. Perforating device for oil exploration, as claimed in claim 1, characterized in that said stop collar (10) is of integral construction with the second rotating rod (3).

10. The perforating device for oil exploration according to claim 1, characterized in that the take-up reel (14) is provided with two limiting plates, and the two limiting plates are respectively arranged at two ends of the take-up reel (14).

Technical Field

The invention particularly relates to a drilling device for oil exploration.

Background

The drilling equipment that current is used for oil exploration usefulness generally all realizes punching through the drill bit, realizes the collection to earth through the trachea when punching, but the trachea can only realize the absorption to the earth of small granule, and to the earth of big granule, the trachea can not realize to its fine absorption, makes the card of drill bit dead easily, and the long-time work of drill bit makes the drill bit send out the boiling hot simultaneously, can make the life of drill bit reduce.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the punching equipment for oil exploration is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a drilling device for oil exploration comprises a connecting rod, a first rotating rod, a second rotating rod and a connecting mechanism, wherein the first rotating rod is vertically arranged, the second rotating rod is vertically arranged below the first rotating rod, the first rotating rod and the second rotating rod are coaxially arranged, the connecting rod is vertically arranged above the first rotating rod, the connecting rod is connected with an external driving device, and the connecting mechanism is arranged between the first rotating rod and the second rotating rod;

the connecting mechanism comprises a driven assembly and a limiting assembly, the driven assembly comprises a driven unit and a connecting unit, the driven unit is arranged at one end, close to the first rotating rod, of the second rotating rod, the driven unit comprises a driven rod and a first gear, the first gear is horizontally arranged above the second rotating rod, the driven rod is arranged between the first gear and the second rotating rod, one end of the driven rod is connected with the second rotating rod, the other end of the driven rod is connected with the first gear, the driven rod is connected with the first gear in a key connection mode, and the driven rod and the second rotating rod are coaxially arranged;

a cylindrical groove is formed in one end, close to the second rotating rod, of the first rotating rod, the connecting unit is arranged in the cylindrical groove and comprises a second gear, a third gear, a bearing seat and a supporting rod, the second gear is an internal gear and is arranged in the cylindrical groove, the outer ring of the second gear is fixedly connected with the inner ring of the cylindrical groove, the bearing seat is arranged at the bottom end inside the cylindrical groove, the third gear is arranged below the bearing seat and is positioned on one side of the second gear, the supporting rod is arranged between the third gear and the bearing seat, one end of the supporting rod is connected with the bearing seat, the other end of the supporting rod is connected with the third gear, the third gear is connected with the supporting rod in a key mode, the third gear is meshed with the second gear, and the second gear is meshed with the first gear;

the top end of the second rotating rod is provided with an annular limiting ring, the bottom end of the first rotating rod is provided with an annular limiting groove, the limiting ring is positioned in the limiting groove, the limiting ring is in sliding connection with the limiting groove, and the driven unit is positioned in the limiting ring;

the limiting assembly is arranged between the third gear and the inner wall of the cylindrical groove, the limiting assembly comprises a limiting unit and a propping unit, the limiting unit comprises a pull rope, a first fixed pulley, a second fixed pulley and a take-up reel, the first fixed pulley is arranged at one end, away from the second rotating rod, of the first gear, the second fixed pulley is arranged at one end, away from the second rotating rod, of the third gear, the take-up reel is arranged at the bottom end inside the cylindrical groove, one end of the pull rope is connected with the middle part of the first gear, one side of the other end of the pull rope bypasses the first fixed pulley and the second fixed pulley to be connected with the take-up reel, and a torsion spring is arranged in the take-up reel;

a communicating groove is arranged between the column-shaped groove and the limiting groove, the column-shaped groove is communicated with the limiting groove through the communicating groove, the abutting unit is positioned in the communicating groove, the abutting unit comprises an abutting plate, a spring, a cross rod, a positioning rod and a positioning plate, the abutting plate is arranged in the limiting groove, the cross rod is horizontally arranged in the communicating groove, the positioning rod is vertically arranged in the communicating groove, one end of the positioning rod is hinged with the cross rod, the other end of the positioning rod is connected with the inner wall of the positioning groove, one end of the cross rod is positioned in the limiting groove, the other end of the cross rod is positioned in the column-shaped groove, the spring is arranged between the abutting plate and the cross rod, one end of the spring is connected with the cross rod, the other end of the spring is connected with the abutting plate, the positioning plate is arranged at one end of the cross rod far away from the abutting plate, one end of the positioning plate, which is far away from the cross rod, is abutted against the second fixed pulley.

In order to realize the return of the cross rod, a torsional spring is arranged at the hinged position of the cross rod and the positioning rod.

For better supporting with the second locating wheel and leaning on, the one end that the horizontal pole was kept away from to the locating plate is the arc, the curved centre of a circle is located the horizontal pole, the outer lane of second fixed pulley supports with the cambered surface of locating plate and leans on.

In order to limit the pull rope, a strip-shaped groove is formed in the arc surface of the positioning plate, and the pull rope is located in the groove.

In order to realize cooling, a fan is arranged on the driven rod.

In order to improve the cooling effect, the second bull stick is close to one of first bull stick and serves and be equipped with a plurality of vertical air vents, be equipped with a plurality of perforation on the second bull stick, perforation and air vent intercommunication.

In order to reduce friction, the first gear, the second gear and the third gear are coated with lubricating oil.

In order to prolong the service life, the fan is made of copper.

In order to increase the firmness, the limiting ring and the second rotating rod are of an integrally formed structure.

In order to limit the stay cord and prevent the stay cord from being separated from the take-up reel, two limiting plates are arranged on the take-up reel and are respectively arranged at two ends of the take-up reel.

The drilling equipment for oil exploration has the advantages that the first rotating rod and the second rotating rod are rotated through the connecting mechanism, when the first rotating rod rotates forwards, the second rotating rod is rotated backwards through the driven assembly, meanwhile, the second rotating rod is accelerated, hole rotating of the second rotating rod is better achieved, the stay rope is always in a tightened state through the restoring force of the torsion spring, meanwhile, elastic fixing of the first rotating rod and the second rotating rod is achieved through the abutting assembly, the practicability of use is improved, cutting of soil can be achieved through the opposite rotating directions of the first rotating rod and the second rotating rod, the soil can be better absorbed by an air pipe, and the mud discharging effect is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the structure of a perforating apparatus for oil exploration of the present invention;

FIG. 2 is a schematic view showing a connection structure of a connecting rod, a first rotating rod, a second rotating rod and a connecting mechanism of the perforating apparatus for oil exploration according to the present invention;

FIG. 3 is a schematic view showing a connection structure of a first rotating rod and a connecting mechanism of the perforating apparatus for oil exploration according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1;

in the figure: 1. the novel wire winding machine comprises a connecting rod, 2, a first rotating rod, 3, a second rotating rod, 4, a driven rod, 5, a first gear, 6, a second gear, 7, a third gear, 8, a bearing seat, 9, a supporting rod, 10, a limiting ring, 11, a pull rope, 12, a first fixed pulley, 13, a second fixed pulley, 14, a wire collecting disc, 15, a supporting plate, 16, a spring, 17, a cross rod, 18, a positioning rod, 19, a positioning plate and 20, and a fan.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-2, a drilling device for oil exploration comprises a connecting rod 1, a first rotating rod 2, a second rotating rod 3 and a connecting mechanism, wherein the first rotating rod 2 is vertically arranged, the second rotating rod 3 is vertically arranged below the first rotating rod 2, the first rotating rod 2 and the second rotating rod 3 are coaxially arranged, the connecting rod 1 is vertically arranged above the first rotating rod 2, the connecting rod 1 is connected with an external driving device, and the connecting mechanism is arranged between the first rotating rod 2 and the second rotating rod 3.

Realize the rotation to first bull stick 2 and second bull stick 3 through coupling mechanism, when first bull stick 2 corotation, realize the reversal to second bull stick 3 through driven subassembly, realize accelerating to second bull stick 3 simultaneously, make the better realization of second bull stick 3 change the hole, can also realize the cutting to earth through the opposite of the rotation direction of first bull stick 2 and second bull stick 3, make earth can be better absorbed by the trachea, improve row's mud effect

As shown in fig. 3, the connecting mechanism includes a driven assembly and a limiting assembly, the driven assembly includes a driven unit and a connecting unit, the driven unit is disposed at one end of the second rotating rod 3 close to the first rotating rod 2, the driven unit includes a driven rod 4 and a first gear 5, the first gear 5 is horizontally disposed above the second rotating rod 3, the driven rod 4 is disposed between the first gear 5 and the second rotating rod 3, one end of the driven rod 4 is connected with the second rotating rod 3, the other end of the driven rod 4 is connected with the first gear 5, and the driven rod 4 is coaxially disposed with the second rotating rod 3;

one end of the first rotating rod 2 close to the second rotating rod 3 is provided with a cylindrical groove, the connecting unit is arranged in the cylindrical groove, the connecting unit comprises a second gear 6, a third gear 7, a bearing seat 8 and a support rod 9, the second gear 6 is an internal gear, the second gear 6 is arranged in the cylindrical groove, the outer ring of the second gear 6 is fixedly connected with the inner ring of the cylindrical groove, the bearing seat 8 is arranged at the bottom end inside the cylindrical groove, the third gear 7 is arranged below the bearing seat 8, the third gear 7 is positioned at one side of the second gear 6, the strut 9 is arranged between the third gear 7 and the bearing block 8, one end of the supporting rod 9 is connected with the bearing seat 8, the other end of the supporting rod 9 is connected with the third gear 7, the third gear 7 is in key connection with the support rod 9, the third gear 7 is meshed with the second gear 6, and the second gear 6 is meshed with the first gear 5;

the top of second bull stick 3 is equipped with annular spacing collar 10, the bottom of first bull stick 2 is equipped with annular spacing groove, spacing collar 10 is located the spacing inslot, spacing collar 10 and spacing groove sliding connection, the driven unit is located spacing collar 10.

Here connecting rod 1 rotates first bull stick 2 of drive and rotates, first bull stick 2 drives third gear 7 and rotates, third gear 7 drive second gear 6 rotates, second gear 6 drives first gear 5 and rotates, first gear 5 drives driven lever 4 and rotates, thereby drive second bull stick 3 and rotate, here not only realize the speed-up to second bull stick 3, still realize rotating reverse change to second bull stick 3 simultaneously, make second bull stick 3 opposite with the pivoted direction of first bull stick 2, the direction of rotation through first bull stick 2 and second bull stick 3 is opposite, can also realize the smashing to earth, improve the crushing effect of earth, simultaneously moisture that contains in the earth can also realize the heat dissipation to first bull stick 2 and second bull stick 3, the earth that is smashed simultaneously is absorbed by the trachea more easily, thereby improve the collection effect of earth.

The second gear wheel 6 here drives the rotation of the strut 9 when it rotates, so that the strut 9 rotates freely in the bearing block 8.

As shown in fig. 4, the limiting assembly is disposed between the third gear 7 and the inner wall of the cylindrical groove, the limiting assembly includes a limiting unit and an abutting unit, the limiting unit includes a pull rope 11, a first fixed pulley 12, a second fixed pulley 13 and a take-up reel 14, the first fixed pulley 12 is disposed at one end of the first gear 5 away from the second rotating rod 3, the second fixed pulley 13 is disposed at one end of the third gear 7 away from the second rotating rod 3, the take-up reel 14 is disposed at the bottom end inside the cylindrical groove, one end of the pull rope 11 is connected with the middle part of the first gear 5, one side of the other end of the pull rope 11 is connected with the take-up reel 14 by passing around the first fixed pulley 12 and the second fixed pulley 13, and a torsion spring is disposed in the take-up reel 14;

a communicating groove is arranged between the column-shaped groove and the limiting groove, the column-shaped groove is communicated with the limiting groove through the communicating groove, the abutting unit is positioned in the communicating groove, the abutting unit comprises an abutting plate 15, a spring 16, a cross rod 17, a positioning rod 18 and a positioning plate 19, the abutting plate 15 is arranged in the limiting groove, the cross rod 17 is horizontally arranged in the communicating groove, the positioning rod 18 is vertically arranged in the communicating groove, one end of the positioning rod 18 is hinged with the cross rod 17, the other end of the positioning rod 18 is connected with the inner wall of the positioning groove, one end of the cross rod 17 is positioned in the limiting groove, the other end of the cross rod 17 is positioned in the column-shaped groove, the spring 16 is arranged between the abutting plate 15 and the cross rod 17, one end of the spring 16 is connected with the cross rod 17, the other end of the spring 16 is connected with the abutting plate 15, one end of the abutting plate 15, which is far, the positioning plate 19 is arranged at one end of the cross rod 17 far away from the abutting plate 15, the positioning plate 19 is positioned on the second fixed pulley 13, and one end of the positioning plate 19 far away from the cross rod 17 abuts against the second fixed pulley 13.

When the limiting ring 10 is located in the limiting groove, one end of the limiting ring 10 far away from the second rotating rod 3 abuts against the abutting plate 15, so as to drive the abutting plate 15 to move towards the connecting rod 1, at the moment, the spring 16 is in a compressed state, the transverse rod 17 is moved by the restoring force of the spring 16, when the transverse rod 17 at one end located in the limiting groove moves towards the connecting rod 1, the transverse rod 17 at the other end in the cylindrical groove moves towards the second rotating rod 3, so that the positioning plate 19 abuts against the second fixed pulley 13, so as to fix the pull rope 11, namely the first rotating rod 2 and the second rotating rod 3, wherein the pull rope 11 is tensioned by a torsion spring in the take-up reel 14, then the pull rope 11 is fixed by the positioning plate 19, so as to improve the fixing effect of the first rotating rod 2 and the second rotating rod 3, wherein the abutting plate 15 abuts against the end face of the top end of the limiting ring 10, when the stop collar 10 is rotated, the abutment plate 15 slides on the stop collar 10, so that the stop of the pull rope 11 of the positioning plate 19 is not affected.

In order to realize the restoration of the cross rod 17, a torsion spring is arranged at the hinged part of the cross rod 17 and the positioning rod 18.

The torsion spring functions to return the cross bar 17 and thus the positioning plate 19.

For better abutting against the second positioning wheel, one end of the positioning plate 19, which is far away from the cross rod 17, is arc-shaped, the center of the arc is located on the cross rod 17, and the outer ring of the second fixed pulley 13 abuts against the arc surface of the positioning plate 19.

The contact area is increased, and therefore the limiting effect is improved.

In order to limit the pull rope 11, a strip-shaped groove is formed in the arc surface of the positioning plate 19, and the pull rope 11 is located in the groove.

The effect of recess is used for realizing spacing to stay cord 11, realizes the protection to stay cord 11 simultaneously, prevents that stay cord 11 from being damaged by locating plate 19 pressure, can also increase the area of contact between stay cord 11 and the locating plate 19 simultaneously, improves frictional force to improve the spacing effect to stay cord 11.

For cooling purposes, a fan 20 is provided on the driven lever 4.

The fan 20 is vented.

In order to improve the cooling effect, one of second bull stick 3 near first bull stick 2 serves and is equipped with a plurality of vertical air vents, be equipped with a plurality of perforation on the second bull stick 3, perforation and air vent intercommunication.

The second rotating rod 3 is cooled by the flow velocity of air, so that the service life of the second rotating rod 3 is prolonged

In order to reduce friction, the first gear 5, the second gear 6 and the third gear 7 are coated with lubricating oil.

The lubricating oil has the function of reducing friction and enabling the rotation to be smoother

In order to prolong the service life, the fan 20 is made of copper.

Prevent corrosion and prolong the service life.

In order to increase the firmness, the limiting ring 10 and the second rotating rod 3 are of an integrally formed structure.

The integrated structure increases the firmness of the limiting ring 10 and the second rotating rod 3, and improves the service life

In order to limit the pull rope 11 and prevent the pull rope 11 from being separated from the take-up reel 14, two limiting plates are arranged on the take-up reel 14 and are respectively arranged at two ends of the take-up reel 14.

The limiting plate is used for limiting the pull rope 11 and preventing the pull rope 11 from being separated from the take-up reel 14.

When the first rotating rod 2 and the second rotating rod 3 need to be installed, the second rotating rod 3 is firstly moved, so that the second rotating rod 3 moves towards the direction of the first installation, so that the limiting ring 10 is located in the limiting groove, at this time, one end, away from the second rotating rod 3, of the limiting ring 10 abuts against the abutting plate 15, so that the abutting plate 15 is driven to move towards the connecting rod 1, at this time, the spring 16 is in a compressed state, the movement of the cross rod 17 is realized through the restoring force of the spring 16, when the cross rod 17 at one end, located in the limiting groove, moves towards the direction of the connecting rod 1, the cross rod 17 at the other end, located in the cylindrical groove, moves towards the direction of the second rotating rod 3, so that the positioning plate 19 abuts against the second fixed pulley 13, so that the fixing of the pull rope 11 is realized, that the fixing of the first rotating rod 2 and the second rotating rod 3 is realized, wherein the pull rope 11 is tensioned through a torsion spring in the take-up reel, then realize the fixed to stay cord 11 through locating plate 19 to improve the fixed effect of first bull stick 2 and second bull stick 3, the board 15 that supports here is supported with the terminal surface at the top of spacing collar 10, when spacing collar 10 rotated, supported board 15 and will slide on spacing collar 10, so can not influence the spacing of locating plate 19 board stay cord 11 here.

When a hole needs to be rotated, firstly, the connecting rod 1 is driven to rotate by an external driving device, the connecting rod 1 drives the first rotating rod 2 to rotate, the first rotating rod 2 drives the third gear 7 to rotate, the third gear 7 drives the second gear 6 to rotate, the second gear 6 drives the first gear 5 to rotate, and the first gear 5 drives the driven rod 4 to rotate, so as to drive the second rotating rod 3 to rotate, wherein not only the speed of the second rotating rod 3 is increased, but also the reverse rotation of the second rotating rod 3 is changed, so that the rotating directions of the second rotating rod 3 and the first rotating rod 2 are opposite, the soil can be smashed by the first rotating rod 2 and the second rotating rod 3 in opposite rotating directions, the soil smashing effect is improved, meanwhile, the moisture in the soil can also realize the heat dissipation of the first rotating rod 2 and the second rotating rod 3, and the smashed soil is absorbed by the air pipe more easily, thereby improving the soil collection effect.

Here when needs carry out maintenance to first bull stick 2 and second bull stick 3, only need stimulate second bull stick 3, at this moment spacing collar 10 will with lean on the separation of leaning on board 15, the restoring force through spring 16 and torsional spring realizes the restoration to locating plate 19, this moment stay cord 11 is not receiving locating plate 19's spacing, at this moment only the restoring force of torsional spring is carrying out the pulling to stay cord 11, make first bull stick 2 and second bull stick 3 support all the time and lean on, need carry out the separation to first bull stick 2 and second bull stick 3 through the manpower, when the distance that second bull stick 3 and first bull stick 2 part is far away more, the torsional spring is just big more to the restoring force of stay cord 11.

Compared with the prior art, this drilling equipment that oil exploration was used passes through coupling mechanism and realizes the rotation to first bull stick 2 and second bull stick 3, when the corotation of first bull stick 2, realize the reversal to second bull stick 3 through driven subassembly, realize simultaneously accelerating second bull stick 3, make the better realization bull stick 3 change the hole, here make stay cord 11 be in the state of tightening all the time through the restoring force of torsional spring, realize the elastic fixation to first bull stick 2 and second bull stick 3 through leaning on the subassembly simultaneously, the practicality of use has been improved, and can also realize the cutting to earth through the opposite of the rotation direction of first bull stick 2 and second bull stick 3, make earth can be better absorbed by the trachea, improve the mud discharging effect.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.