CN110905522A

CN110905522A - Well drilling machine

Info

Publication number: CN110905522A
Application number: CN201911018961.4A
Authority: CN
Inventors: 李军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-03-24

Abstract

The invention discloses a well drilling machine, which belongs to the technical field of drilling, and comprises a drill bit, a drill rod, an executing device, a feeding device, a control device, a supporting device and circulating liquid supply equipment, wherein one end of the drill rod is connected with the drill bit, the other end of the drill rod is communicated with the executing device, the control device is communicated with the executing device, two sides of the executing device are connected with the feeding device, the feeding device is arranged on two sides of the control device, and the top end of the control device is communicated with the circulating liquid supply equipment. When the device is used, the drill bit drives the well drilling machine to tunnel downwards, the circulating liquid supply equipment provides circulating liquid for the well drilling machine, the well drilling machine breaks rock strata into powder, then the powder is mixed with the circulating liquid and discharged out of a well through the circulating liquid supply equipment, the executing device and the control device are provided with the supporting devices at the periphery and abut against the wall of the well, and the effect of preventing the well drilling machine from rotating along with the drill bit is achieved.

Description

Well drilling machine

Technical Field

The embodiment of the invention relates to the technical field of drilling, in particular to a well drilling machine.

Background

The well drilling machine on the market at present mainly comprises a power machine, a transmission machine, a working machine, auxiliary equipment and the like, wherein the power machine provides torque force for a drill bit through a drill rod on the ground, the drill rod needs to be lengthened along with the increase of the well drilling depth, however, the torsional strength of the drill rod is sharply reduced along with the increase of the length of the drill rod, the weight of the lengthened drill rod is increased, the friction between the drill rod and a well wall is increased, the power of an engine needs to be increased, the well drilling requirement can be met by configuring a large derrick and a high-strength drill rod, and therefore the energy and labor cost occupied by well drilling is increased in multiples.

Disclosure of Invention

Therefore, the embodiment of the invention provides a well drilling machine, which aims to solve the problem that the well drilling operation occupies too high energy cost and labor cost due to insufficient torsional strength of a drill rod in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

the invention provides a well drilling machine which comprises a drill bit, a drill rod, an executing device, feeding devices, a control device, a supporting device, circulating liquid supply equipment and a data terminal, wherein the drill rod is of a hollow structure with a central through hole, one end of the drill rod is fixedly connected with the drill bit, the central through hole is communicated with the drill bit, the other end of the drill rod is in threaded connection with the executing device, the executing device is arranged below the control device, the control device is communicated with the executing device, two sides of the executing device are fixedly connected with the feeding devices, the two feeding devices are respectively arranged on two sides of the control device, the supporting devices are arranged on the periphery of the executing device and the control device, the top end of the control device is communicated with the circulating liquid supply equipment, and the data terminal is electrically connected with the control device.

Further, the control device comprises a control device shell, a controller, a water inlet pipeline and a first movable sliding groove, the controller is fixedly mounted inside the control device shell and is electrically connected with the data terminal, the water inlet pipeline is arranged at the top of the control device shell and is communicated with the circulating liquid supply equipment, and the first movable sliding groove is vertically and uniformly arranged on the outer wall of the control device shell.

Further, the executing device comprises an upper bearing, a lower connecting pipe, an upper connecting pipe, a first transmission gear, a second transmission gear, a servo motor, an executing device shell and a second moving chute, wherein the lower bearing is fixedly arranged in the executing device shell, the upper bearing is fixedly arranged right above the lower bearing, the lower connecting pipe is fixedly arranged on the upper bearing and the lower bearing in a penetrating manner, the lower connecting pipe is fixedly communicated with a drill rod, the first transmission gear is fixedly sleeved on the lower connecting pipe and is in transmission connection with the second transmission gear, the second transmission gear is fixedly sleeved on an output shaft of the servo motor, the servo motor is fixedly arranged on the inner wall of the executing device shell, the servo motor is electrically connected with the controller, four second moving chutes are vertically and uniformly arranged on the outer wall of the executing device shell, and the upper connecting pipe is fixedly connected with the upper, the upper connecting pipe is communicated with the lower connecting pipe.

Furthermore, the feeding device comprises a gear, a rack and a double-shaft motor, the double-shaft motor is fixedly arranged on two sides of the outer wall of the shell of the control device respectively, an output shaft of the double-shaft motor is connected with the gear in a transmission manner, the gear is connected with the rack in a transmission manner, and the double-shaft motor is electrically connected with the controller.

Furthermore, the supporting device comprises a supporting claw, a supporting rod and a sliding block, the sliding block is movably arranged in the first moving chute and the second moving chute, the sliding block is hinged to one end of the supporting rod, the other end of the supporting rod is hinged to the middle of the supporting claw, the control device shell is hinged to one end of the supporting claw, the execution device shell is hinged to one end of the supporting claw, and the anti-skidding sleeve is mounted at the other end of the supporting claw.

Furthermore, the supporting device further comprises a fixed rack, a moving gear and a moving motor, the fixed racks are vertically fixed inside the executing device shell and the control device shell, the fixed racks are in transmission connection with the moving gear, the moving gear is in transmission connection with an output shaft of the moving motor, and the moving motor is fixedly connected with the sliding block.

Further, circulating liquid supply equipment includes hose, coil pipe frame and feed pump, the hose winding is at the coil pipe frame, hose one end and inlet channel intercommunication, the hose other end and feed pump intercommunication.

Further, still including flexible side's pipe, flexible side's pipe includes upper side's pipe and lower side's pipe, the fixed setting in controlling means casing lower extreme of upper side's pipe, upper side's pipe and inlet channel intercommunication, upper side's pipe movable sleeve is established on the lower side's pipe, upper side's pipe and lower side's pipe intercommunication, lower side's pipe is fixed to be set up in the execution device casing upper end, lower side's pipe and last connecting pipe intercommunication.

Furthermore, the drill bit comprises a cutting blade and a drill pipe, the top end of the drill pipe is fixed with a drill rod in a threaded mode, the drill pipe is communicated with the drill rod, and the cutting blade is fixedly arranged on the outer side of the drill pipe.

The embodiment of the invention has the following advantages:

during operation, the control device supports the well wall through the supporting device, the executing device packs up the supporting device, the distance between the control device and the executing device is controlled by the feeding device, the supporting device of the executing device is opened after reaching a certain distance, the supporting device of the control device packs up, the distance between the two parts is shortened by being driven by the rack and the gear, the reciprocating motion is carried out, meanwhile, circulating liquid is supplied to the drill bit, the servo motor drives the drill bit to operate, and the servo motor follows the drill bit to go deep into the well. Therefore, the problem that a thickened drill rod does not need to be lengthened, and a derrick is not required to be erected and a high-power machine is arranged is solved, so that the problem that energy and labor cost occupied in well drilling operation is too high is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a perspective view of a well drilling rig according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a well drilling rig in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of a well drilling rig according to an embodiment of the present invention;

FIG. 4 is a perspective view of a drill bit of a well drilling rig according to an embodiment of the present invention;

FIG. 5 is a perspective view of an actuator of a well drilling rig according to an embodiment of the present invention;

FIG. 6 is a perspective view of a dual-axis motor of a well drilling rig according to an embodiment of the present invention;

fig. 7 is a perspective view of a control device of a well drilling rig according to an embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating the use of a well drilling rig in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of a support apparatus for a well drilling rig according to an embodiment of the present invention;

in the figure: 1, drilling a bit; 11 a cutting blade; 12 drilling a pipe; 2, drilling a drill pipe; 3 an execution device; 31 an upper bearing; 32 lower bearings; a lower connecting tube 33; 34 an upper connecting pipe; 35 driving a first gear; 36 a transmission gear II; 37 servo motor; 38 an actuator housing; 39 moving the second sliding chute; 4 a feeding device; 41 gear wheels; 42 rack gear; 43 a two-shaft motor; 5 a control device; 51 control device housing; 52 a controller; 53 water inlet pipe; 54 moving the first chute; 6, supporting the device; 61 supporting claws; 62 of a strut; 63 a slide block; 64 fixing the rack; 65 moving the gear; 7 circulating liquid supply means; 71 a hose; 72 coils of pipe racks; 73 a feed pump; 8, telescopic square tubes; 81, square tubes are arranged; 82 lower tubes.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Such as the control device 5, the support device 6, the circulating liquid supply apparatus 7 and the data terminal of fig. 1-9. The drill rod 2 is of a hollow structure with a central through hole, one end of the drill rod 2 is fixedly connected with the drill bit 1, the central through hole is communicated with the drill bit, and the other end of the drill rod 2 is communicated with the execution device 3 in a threaded connection mode. Thereby being convenient for the circulating liquid to be supplied to the drill bit 1, enabling the rock stratum broken by the drill bit to be fully mixed with the circulating liquid, and then forming slurry to be discharged out of the well through the circulating liquid supply device 7. The actuator 3 is arranged below the control device 5 and its main function is to drive the drill bit to break up the rock formation. The control device 5 is communicated with the execution device 3, two sides of the execution device 3 are fixedly connected with the feeding devices 4, the two feeding devices 4 are respectively installed on two sides of the control device 5, the feeding devices 4 drive the execution device to move up and down so as to carry out well excavation, supporting devices 6 are installed on the periphery of the execution device 3 and the control device 5, the supporting devices 6 are arranged to prevent the drill bit 1 from rotating to drive the well drilling machine to rotate, and therefore the well drilling machine fails, the top end of the control device 5 is communicated with the circulating liquid supply device 7, the data terminal is electrically connected with the control device 5, the data terminal coordinates coordination of all parts of the well drilling machine through the control device 5 and supplies electric energy to the well drilling machine, and the control device 5 plays a role in relay control.

According to an embodiment of the present invention, the cutting edge of the cutting blade 11 is embedded with cemented carbide, which has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance, etc., and can be easily broken even when hard rock is encountered during well drilling operation, thereby prolonging the service life of the drill bit 1.

According to an embodiment of the present invention, since some areas have abundant geothermal resources, in order to prevent the well drilling machine from being damaged by heat during the well drilling operation, the servo motor 37 of this embodiment is preferably a high temperature-resistant servo motor.

According to one embodiment of the present invention, the lower bearing 32 is fixedly disposed inside the actuator housing 38, the upper bearing 31 is fixedly disposed right above the lower bearing 32, the upper bearing 31 and the lower bearing 32 are fixedly disposed inside the actuator housing 48, and the lower connection pipe 33 is fixedly disposed on the upper bearing 41 and the lower bearing 42, so as to stabilize the position of the lower connection pipe 33, and the lower connection pipe 33 can freely rotate around the axis. The lower connecting pipe 33 is fixedly sleeved with a first transmission gear 35, the first transmission gear 35 is in transmission connection with a second transmission gear 36, the second transmission gear 36 is fixedly sleeved on an output shaft of the servo motor 37, when the servo motor 37 is started, the lower connecting pipe 33 rotates around an axis under the driving of the motor, and meanwhile, the lower connecting pipe 33 is fixedly communicated with the drill rod 2, so that the drill bit 1 rotates. Since the upper connection pipe 34 is communicated with the lower connection pipe 33, the circulating cooling fluid is flowed from the upper connection pipe 34 to the drill rod 2 through the lower connection pipe 33, so that the drill bit 1 is supplied with the circulating cooling fluid.

According to one embodiment of the present invention, the upper pipe 81 is fixedly disposed at the lower end of the control device housing 51, the upper pipe 81 is communicated with the water inlet pipe 53, the upper pipe 81 is movably sleeved on the lower pipe 82, the lower pipe 82 is fixedly disposed at the upper end of the actuator housing 38, and the lower pipe 82 is communicated with the upper connecting pipe 44. When the actuator housing 48 moves downward, the lower pipe 82 moves downward at the position of the upper pipe 81, preventing the circulating coolant from leaking. Meanwhile, when the drill bit rotates, the structure of the telescopic square tube 8 can offset part of torque, so that the stability of the well drilling machine is improved.

According to an embodiment of the present invention, the supporting device 6 includes a supporting claw 61, a supporting rod 62, and a sliding block 63, the sliding block 63 is movably disposed in the first moving chute 54 and the second moving chute 39, the sliding block 63 is fixedly disposed on a moving motor, the moving motor is in transmission connection with a moving gear 65, the moving gear 65 is in transmission connection with a fixed gear 64, and the fixed gear 64 is vertically fixed inside the actuator housing 38 and the control device housing 51, so as to drive the moving motor to move. Meanwhile, the sliding block 63 is hinged with one end of the supporting rod 62, the other end of the supporting rod 62 is hinged with the middle of the supporting claw 61, the control device shell 51 is hinged with one end of the supporting claw 61, the execution device shell 38 is hinged with one end of the supporting claw 61, when the sliding block 63 moves, the sliding block 63 drives the supporting rod 62 to move, so that the supporting claw 61 is opened or closed, and the other end of the supporting claw 61 is provided with an anti-slip sleeve to prevent the supporting claw 61 from sliding in contact with a hoistway. Furthermore, a plurality of the supporting devices 6 are electrically connected to the controller 52, and the controller 52 can send an electric signal to the motor to control the opening amplitude of the supporting jaws 61. In the well drilling operation, the path of well drilling can be accurately controlled by controlling the opening amplitude of the supporting claw 61, so that the flexibility of the well drilling machine is improved.

According to a specific embodiment of the present invention, two dual-shaft motors 43 are fixedly disposed on two sides of an outer wall of the control device housing 51, the output shafts of the dual-shaft motors 43 are respectively sleeved with a gear 41, the gear 41 is in transmission connection with a rack 42, when the gear 41 rotates, the rack 42 vertically displaces, and the rack 42 is fixedly connected with the actuator 3, so that the actuator 3 vertically displaces.

According to an embodiment of the present invention, a hose 71 is wound on a coil frame 72, the coil frame 72 plays a role of gathering the hose 71, and can lift, pull and lower the well drilling machine by means of the hose 71, one end of the hose 71 is communicated with the water inlet pipe 53, and the other end of the hose 71 is communicated with the feed pump 73. Therefore, the supply pump 73 can draw circulating liquid from the sedimentation tank to supply the circulating liquid to the well drilling machine, then the circulating liquid is mixed with the rock stratum crushed by the drill bit 1 of the well drilling machine to form slurry, and when the slurry amount in the well reaches a certain degree, the slurry overflows out of the well mouth and finally flows into the sedimentation tank, so that the well is excavated.

The application process of the embodiment of the invention is as follows:

according to the well drilling machine provided by the invention, when well drilling operation is carried out, the well drilling machine is in contact with the well wall in the well by using the supporting claw 61, and the stability of the well drilling machine in the well can be improved due to the anti-skidding sleeve arranged at the free end of the supporting claw 61, so that the well drilling machine is prevented from skidding due to the rotation of the drill bit 1. Then, the gear 41 rotates and then drives the rack 42 to move longitudinally, the rack 42 is fixedly connected with the executing device shell 38, so that the executing device 3 can move longitudinally, the executing device 3 drives the drill bit 1 to rotate, the executing device 3 and the driving drill bit 1 move together in the descending process of the executing device 3, the rock stratum is smashed by the drill bit 1, and meanwhile, the circulating liquid supply device 7 supplies circulating liquid through the drill bit 1, so that the smashed rock stratum and the circulating liquid are mixed to form slurry. When the mud amount in the well reaches a certain degree, the mud overflows to the outside of the well mouth and finally flows into a sedimentation tank, so that the well is excavated.

Because the actuating device 4 goes deep into the well along with the drill bit 1, the drilling operation can be carried out without using a heavy and thick drill rod, the work of erecting a derrick during the drilling operation is saved, meanwhile, the torsional strength of the drill rod 2 can be improved by a shorter drill rod, the drilling efficiency can be ensured without a large-power machine, and the problem of overhigh energy and labor cost occupied in the well drilling operation is solved.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The well drilling machine is characterized by comprising a drill bit (1), a drill rod (2), an executing device (3), a feeding device (4), a control device (5), a supporting device (6), circulating liquid supply equipment (7) and a data terminal, wherein the drill rod (2) is of a hollow structure with a central through hole, one end of the drill rod (2) is fixedly connected with the drill bit (1), the central through hole is communicated with the drill bit, the other end of the drill rod (2) is communicated with the executing device (3) in a threaded mode, the executing device (3) is arranged below the control device (5), the control device (5) is communicated with the executing device (3), two sides of the executing device (3) are fixedly connected with the feeding device (4), the two feeding devices (4) are respectively arranged on two sides of the control device (5), the supporting devices (6) are arranged on the peripheries of the executing device (3) and the control device (5), the top end of the control device (5) is communicated with a circulating liquid supply device (7), and the data terminal is electrically connected with the control device (5).

2. The well drilling machine according to claim 1, characterized in that the control device (5) comprises a control device shell (51), a controller (52), a water inlet pipeline (53) and first movable sliding chutes (54), the controller (52) is fixedly installed inside the control device shell (51), the controller (52) is electrically connected with a data terminal, the water inlet pipeline (53) is arranged at the top of the control device shell (51), the water inlet pipeline (53) is communicated with a circulating liquid supply device (7), and the outer wall of the control device shell (51) is vertically and uniformly provided with the first movable sliding chutes (54).

3. The well drilling machine according to claim 2, characterized in that the actuator (3) comprises an upper bearing (31), a lower bearing (32), a lower connecting pipe (33), an upper connecting pipe (34), a first transmission gear (35), a second transmission gear (36), a servo motor (37), an actuator housing (38) and a second moving chute (39), the lower bearing (32) is fixedly arranged in the actuator housing (38), the upper bearing (31) is fixedly arranged right above the lower bearing (32), the lower connecting pipe (33) is fixedly arranged on the upper bearing (31) and the lower bearing (32) in a penetrating way, the lower connecting pipe (33) is fixedly communicated with the drill rod (2), the first transmission gear (35) is fixedly sleeved on the lower connecting pipe (33), the first transmission gear (35) is in transmission connection with the second transmission gear (36), and the second transmission gear (36) is fixedly sleeved on an output shaft of the servo motor (37), the servo motor (37) is fixedly arranged on the inner wall of the executing device shell (38), the servo motor (37) is electrically connected with the controller (52), four movable sliding grooves II (39) are vertically and uniformly arranged on the outer wall of the executing device shell (38), the upper connecting pipe (34) is fixedly connected with the upper bearing (31), and the upper connecting pipe (34) is communicated with the lower connecting pipe (33).

4. The well drilling machine according to claim 3, wherein the feeding device (4) comprises a gear (41), a rack (42) and a double-shaft motor (43), the double-shaft motor (43) is fixedly arranged on two sides of the outer wall of the control device shell (51), the output shafts of the double-shaft motor (43) are in transmission connection with the gear (41), the gear (41) is in transmission connection with the rack (42), and the double-shaft motor (43) is electrically connected with the controller (52).

5. The well drilling machine according to claim 4, characterized in that the supporting device (6) comprises a supporting claw (61), a supporting rod (62) and a sliding block (63), the sliding block (63) is movably arranged in the first moving chute (54) and the second moving chute (39), the sliding block (63) is hinged with one end of the supporting rod (62), the other end of the supporting rod (62) is hinged with the middle part of the supporting claw (61), the control device shell (51) is hinged with one end of the supporting claw (61), the execution device shell (38) is hinged with one end of the supporting claw (61), and the other end of the supporting claw (61) is provided with an anti-slip sleeve.

6. A well drilling machine according to claim 5, characterized in that the supporting device (6) further comprises a fixed rack (64), a moving gear (65) and a moving motor, wherein a plurality of the fixed racks (64) are vertically fixed inside the actuating device housing (38) and the control device housing (51), the fixed racks (64) are in transmission connection with the moving gear (65), the moving gear (65) is in transmission connection with an output shaft of the moving motor, and the moving motor is fixedly connected with the sliding block (63).

7. A well drilling machine according to claim 6, characterized in that the circulating liquid supply device (7) comprises a hose (71), a coil frame (72) and a supply pump (73), the hose (71) is wound around the coil frame (72), one end of the hose (71) is communicated with the water inlet pipe (53), and the other end of the hose (71) is communicated with the supply pump (73).

8. The well drilling machine according to claim 7, further comprising a telescopic square pipe (8), wherein the telescopic square pipe (8) comprises an upper pipe (81) and a lower pipe (82), the upper pipe (81) is fixedly arranged at the lower end of the control device shell (61), the upper pipe (81) is communicated with the water inlet pipeline (53), the upper pipe (81) is movably sleeved on the lower pipe (82), the upper pipe (81) is communicated with the lower pipe (82), the lower pipe (82) is fixedly arranged at the upper end of the execution device shell (48), and the lower pipe (82) is communicated with the upper connecting pipe (44).

9. A well drilling machine according to claim 8, characterized in that the drill bit (1) comprises a cutting blade (11) and a drill pipe (12), the top end of the drill pipe (12) is fixed with the drill rod (2) in a screwing way, the drill pipe (12) is communicated with the drill rod (2), and the cutting blade (11) is fixedly arranged on the outer side of the drill pipe (12).