CN113638695B

CN113638695B - Drilling equipment for oil development with protection processing function

Info

Publication number: CN113638695B
Application number: CN202111195356.1A
Authority: CN
Inventors: 曹洋
Original assignee: Dongying Jinyu Technology Development Co ltd
Current assignee: Dongying Jinyu Technology Development Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-08
Anticipated expiration: 2041-10-14
Also published as: CN113638695A

Abstract

The invention relates to the technical field of oil exploitation, in particular to a drilling device with a protection processing function for oil exploitation, which comprises a rack, wherein a fixed frame is arranged at the top of the rack, a mounting frame is arranged at the back of the fixed frame, a drilling mechanism is movably arranged in the fixed frame, and a rod changing mechanism is arranged in the mounting frame. Further improving the drilling efficiency of the drilling equipment.

Description

Drilling equipment for oil development with protection processing function

Technical Field

The invention relates to the technical field of oil exploitation, in particular to a drilling device with a protection processing function for oil exploitation.

Background

Oil extraction refers to the act of excavating and extracting oil in places where oil is stored. During the process of oil production, oil and gas flow from the reservoir to the well bottom and rise from the well bottom to the well top. The petroleum drilling machine generally comprises a hoisting system, a rotating system, a drilling fluid circulating system, a transmission system, a control system, a monitoring display instrument, a power driving system, a drilling machine base and a drilling machine auxiliary equipment system, and has the drilling capacity, the rotating drilling capacity, the circulating well flushing capacity and the like.

Great wearing and tearing can appear in the drill bit when the well drilling, need in time change the drill bit when the drill bit wearing and tearing volume is too big to guarantee the security of well drilling operation, current drilling equipment generally adopts artifical manual change's mode to the change of drill bit, need at first carry out the measurement of wearing and tearing volume to the drill bit, change new drill bit again after pulling down the drill bit that wears to next, whole process need consume longer time, influences the operating efficiency of well drilling.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides drilling equipment with a protection processing function for oil exploitation, and solves the problems that in the prior art, the drilling equipment needs to spend longer time on replacing a drill bit, and the drilling operation efficiency is influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the drilling equipment with the protection processing function for the oil exploitation comprises a rack, wherein a fixed frame is arranged at the top of the rack, a mounting frame is arranged on the back surface of the fixed frame, a moving frame is arranged at the bottom of the rack, a drilling mechanism is movably arranged in the fixed frame and comprises a drilling rod and a drill bit, a connecting seat is arranged at the bottom end of the drilling rod, the inside of the connecting seat is in threaded connection with the top end of the drill bit, a clamping ring is arranged above the surface of the drilling rod, a connecting frame is arranged on the surface of the clamping ring, a clamping groove matched with the clamping ring is formed in the connecting frame, the inside of the clamping groove is rotationally connected with the surface of the clamping ring, fixing plates are arranged on two sides of the inner wall of the fixed frame, one opposite sides of the two fixing plates are respectively in sliding connection with two sides of the connecting frame, and lifting assemblies are arranged in the two fixing plates, the top end of the drill rod is provided with a rotating assembly;

the rod changing mechanism is arranged inside the mounting rack and is positioned inside the mounting rack in a sliding mode;

trade the pole mechanism including being located the inside adjustable shelf of mounting bracket, and the bottom of adjustable shelf and the top sliding connection of frame, the inside symmetry of adjustable shelf is provided with two adjustable frames, and the inside of two adjustable frames all rotates and is provided with the card material frame, the front of adjustable frame is provided with adjusting motor, and the surface of adjusting motor output shaft is provided with adjusting gear, card material frame global is provided with the ring gear, and the surface of ring gear and adjusting gear's surface meshing transmission, the front and the back symmetry of adjustable shelf inner wall are provided with four servo electric jar one, and the one end of four servo electric jar drive shafts respectively with the top fixed connection of two adjustable frames.

Preferably, the lifting component includes two inside elevator blocks that are located the fixed plate, the inside of fixed plate is rotated and is provided with the screw rod, and the surface of screw rod and the inside screw thread internal connection of elevator block, the both sides of link extend to the inside of two fixed plates respectively, and the both sides of link respectively with one side fixed connection of two elevator blocks, the top of fixed plate is provided with the installing frame, and the top of installing frame is provided with elevator motor, the one end of elevator motor output shaft extends to the inside of installing frame, and the top of two screw rods all extends to the inside rotation of installing frame and is connected, the surface of elevator motor output shaft and the surface of two screw rods all are provided with the drive wheel, and connect through chain drive between the surface of three drive wheel.

Preferably, the rotating assembly includes rotating electrical machines, the rear at link top is provided with fixed frame, and rotating electrical machines is located the inside of fixed frame, the surface of rotating electrical machines output shaft is provided with drive gear, the bottom of drilling rod runs through fixed frame and extends to the inside of fixed frame, and the drilling rod is located the inside surface of fixed frame and is provided with driven gear, drive gear's surface and driven gear's surface meshing transmission.

Preferably, the right side of adjustable shelf is provided with the connecting block, the front and the back of mounting bracket inner wall all are provided with servo electric jar two, and the one end of two drive shafts of two servo electric jars all with one side fixed connection of connecting block.

Preferably, the front of the connecting frame is hinged with a movable ring through a hinge, and one side of the movable ring is fixedly connected with the inside of the connecting frame through a bolt.

Preferably, both sides of the lower part in the fixing frame are provided with washing nozzles, and an image acquisition sensor is erected on the left side of the fixing frame.

Preferably, the right side of mount inner wall is seted up with fixed frame matched with spout, and the inside symmetry of spout is provided with two slide bars, two the top of slide bar all runs through fixed frame, and the surface of two slide bars all with the inside sliding connection of fixed frame.

Preferably, the working method of the drilling equipment specifically comprises the following steps:

firstly, a moving frame drives a rack and a fixed frame to move to a drilling area, and a lifting assembly is used for driving a drill rod and a drill bit to descend in the rack;

secondly, driving the drill rod and the drill bit to rotate by using the rotating assembly while the drill rod descends, and performing rotary drilling operation by using the rotating drill bit;

thirdly, after the drill bit is matched with a drill rod to perform drilling operation, the drill bit is lifted between two flushing nozzles, the drill bit is flushed by the two flushing nozzles while rotating at a low speed, after mud blocks on the surface of the drill bit are flushed, size information of the drill bit is acquired through an image acquisition sensor, and whether the abrasion loss of the drill bit needs to be replaced or not is analyzed;

and fourthly, when the drill bit is replaced, the worn drill bit is replaced by the material replacing mechanism, then the new drill bit and the connecting seat are connected in an assembling mode, and the new drill bit is used for continuing drilling operation.

(III) advantageous effects

The invention provides a drilling device with a protection processing function for oil exploitation. Compared with the prior art, the method has the following beneficial effects:

(1) set up the mechanism of reloading through one side in the frame, when changing the drill bit, utilize two card material frames in the mechanism of reloading to realize demolising old drill bit, accomplish the assembly between with new drill bit and the connecting seat after that, realize the automatic change and the assembly processing to the drill bit, need not the manual work and change the processing to the drill bit, utilize the cooperation between card material frame and the accommodate motor, not only improved the change efficiency to the drill bit, also more laborsaving in the mode of manual change relatively, assembly between drill bit and the connecting seat is more firm, the in-process of having effectively avoided changing the drill bit simultaneously takes place the condition appearance that the drill bit dropped to the well drilling, the safety and stability of drill bit change in-process has been guaranteed.

(2) Through setting up lifting unit and rotating assembly in the inside of frame, utilize lifting unit and rotating assembly cooperation between the two, two elevator blocks drive the drilling rod and carry out the oscilaltion in the mount, and the rotating electrical machines passes through drive gear and driven gear's meshing transmission, makes the drilling rod carry out stable rotation, and drilling rod and drill bit carry out the rotation type well drilling operation as a whole, have further improved drilling efficiency.

(3) By arranging the flushing nozzle at one side of the frame and arranging the image acquisition sensor at one side of the frame, when the drill bit is lifted out of the well, the drill bit is washed by using the washing spray head, the size information of the drill bit is collected by using the image collecting sensor, the error of image information collection caused by mud blocks on the surface of the drill bit is avoided, the size data of the drill bit is compared by using the image collecting sensor, thereby realizing the rapid determination of the abrasion loss of the drill bit, avoiding the need of measuring the abrasion loss of the drill bit manually, reducing the labor intensity of operators, effectively improving the information acquisition efficiency of the drill bit, when the abrasion loss of the drill bit is determined to exceed the maximum abrasion loss, the material changing mechanism is immediately controlled to automatically change the drill bit, the automatic processing is realized when the abrasion loss of the drill bit is confirmed to change the drill bit, and the drilling efficiency of the drilling equipment is further improved.

Drawings

FIG. 1 is a schematic diagram of a drilling equipment structure for oil exploitation with a protection treatment function according to the present invention;

FIG. 2 is a side view of an oil-producing well-drilling apparatus structure with a guard treatment function according to the present invention;

FIG. 3 is a side view of the internal structure of the mounting plate and the connecting bracket of the present invention;

FIG. 4 is a side view of the internal structure of the mounting frame of the present invention;

figure 5 is a side view of the internal structure of the fixed frame according to the invention;

FIG. 6 is a cross-sectional view of the mounting frame and the mobile frame structure of the present invention;

FIG. 7 is a cross-sectional view of the connecting base and the drill structure of the present invention.

In the figure, 10, a frame; 20. a fixed mount; 30. a mounting frame; 40. a movable frame; 50. a movable ring; 60. washing the spray head; 101. a drill stem; 102. a drill bit; 103. a snap ring; 104. a connecting frame; 105. a card slot; 106. a fixing plate; 107. a connecting seat; 201. a lifting block; 202. a screw; 203. installing a frame; 204. a lifting motor; 205. a driving wheel; 206. a chain; 301. a rotating electric machine; 302. a fixing frame; 303. a drive gear; 304. a driven gear; 401. a movable frame; 402. a movable frame; 403. a material clamping frame; 404. adjusting the motor; 405. an adjusting gear; 406. a ring gear; 407. a first servo electric cylinder; 408. connecting blocks; 409. a second servo electric cylinder; 501. a chute; 502. a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example 1:

referring to fig. 1-7, the drilling equipment for oil exploitation with protection processing function comprises a frame 10, a fixed frame 20 is disposed on the top of the frame 10, a mounting frame 30 is disposed on the back of the fixed frame 20, and a moving frame 40 is disposed on the bottom of the frame 10, wherein the moving frame 40 is composed of a moving track and a driving wheel, and the surface of the driving wheel is in meshing transmission connection with the inner surface of the moving track.

A drilling mechanism is movably arranged in the fixed frame 20, the drilling mechanism comprises a drill rod 101 and a drill bit 102, a drill hole is arranged in the frame 10 and is positioned right below the drill bit 102, a connecting seat 107 is arranged at the bottom end of the drill rod 101, and the inside of the connecting base 107 is threadedly connected to the top end of the drill bit 102, a snap ring 103 is provided above the surface of the drill rod 101, the surface of the snap ring 103 is provided with a connecting frame 104, the inside of the connecting frame 104 is provided with a clamping groove 105 matched with the snap ring 103, the inside of the clamping groove 105 is rotatably connected with the surface of the snap ring 103, the connecting frame 104 and the drill rod 101 are connected in a matching way through the matching connection between the clamping ring 103 and the clamping groove 105, the fixing plates 106 are arranged on two sides of the inner wall of the fixing frame 20, and one side opposite to the two fixing plates 106 is respectively connected with two sides of the connecting frame 104 in a sliding manner, the lifting assemblies are arranged inside the two fixing plates 106, and the rotating assemblies are arranged at the top ends of the drill rods 101.

When using, the movable frame 40 drives the frame 10 and the fixed frame 20 to move to the drilling area, the drill bit 102 is connected with the connecting seat 107 at the bottom end of the drill rod 101, the lifting assembly is used for driving the drill rod 101 to lift in the fixed frame 20, meanwhile, the rotating assembly drives the drill rod 101 to rotate, the drill bit 102 at the bottom end of the drill rod 101 is used for rotary drilling, and further the drilling efficiency is effectively improved.

The inside of mounting bracket 30 is provided with trades the pole mechanism, and trades the inside slip setting that the pole mechanism is located mounting bracket 30, when the wearing and tearing of drill bit 102 appear, utilizes to trade the pole mechanism and carries out quick replacement to wearing and tearing drill bit 102.

As a further supplement to the above embodiment, the lifting assembly includes two lifting blocks 201 located inside the fixing plate 106, a screw 202 is rotatably disposed inside the fixing plate 106, and a surface of the screw 202 is connected inside the inner thread of the lifting block 201, two sides of the connecting frame 104 respectively extend into the two fixing plates 106, and two sides of the connecting frame 104 are respectively fixedly connected to one side of the two lifting blocks 201, the connecting frame 104 is driven by the sliding movement of the two lifting blocks 201 to slide up and down inside the rack 10, a mounting frame 203 is disposed on the top of the fixing plate 106, a lifting motor 204 is disposed on the top of the mounting frame 203, one end of an output shaft of the lifting motor 204 extends into the mounting frame 203, and top ends of the two screws 202 both extend into the mounting frame 203 to be rotatably connected, driving wheels 205 are disposed on a surface of an output shaft of the lifting motor 204 and surfaces of the two screws 202, and the surfaces of the three driving wheels 205 are in driving connection through chains 206.

When the lifting device is used, the output shaft of the lifting motor 204 drives the driving wheel 205 on the surface to rotate, the chain 206 drives the driving wheels 205 on the surfaces of the two screws 202 to synchronously rotate, so that the two screws 202 rotate, the surfaces of the two screws 202 are respectively connected with the internal threads of the two lifting blocks 201, the lifting blocks 201 slide upwards or downwards in the mounting plate while the screws 202 rotate, the sliding direction is controlled according to the rotating direction of the screws 202, when the screws 202 rotate clockwise, the lifting blocks 201 slide downwards, when the screws 202 rotate anticlockwise, the lifting blocks 201 slide upwards, the sliding of the lifting blocks 201 can drive the connecting frame 104 to synchronously move, and further, the lifting movement of the drill rod 101 in the frame 10 is realized.

As a further supplement to the above embodiment, the rotating assembly includes a rotating motor 301, a fixed frame 302 is disposed behind the top of the connecting frame 104, the rotating motor 301 is located inside the fixed frame 302, a driving gear 303 is disposed on the surface of the output shaft of the rotating motor 301, the bottom end of the drill rod 101 penetrates through the fixed frame 302 and extends to the inside of the fixed frame 302, a driven gear 304 is disposed on the surface of the drill rod 101 located inside the fixed frame 302, and the surface of the driving gear 303 is in meshing transmission with the surface of the driven gear 304.

When the rotary drilling rig is used, the rotating motor 301 drives the driving gear 303 on the surface of the output shaft to rotate, the driving gear 303 drives the meshed driven gear 304 to rotate, the surface of the drill rod 101 rotates inside the connecting frame 104, the drill bit 102 arranged at the bottom end is driven to rotate by the rotation of the drill rod 101, rotary drilling operation is carried out by the aid of the rotary drill bit 102, and drilling efficiency is effectively improved.

As a further supplement to the above embodiment, the rod changing mechanism includes a movable frame 401 located inside the mounting frame 30, and the bottom of the movable frame 401 is slidably connected to the top of the frame 10, two movable frames 402 are symmetrically disposed inside the movable frame 401, and a material clamping frame 403 is rotatably disposed inside each of the two movable frames 402, wherein a material clamping frame matched with the drill 102 is disposed inside each material clamping frame 403, an adjusting motor 404 is disposed on the front surface of each movable frame 402, an adjusting gear 405 is disposed on the surface of the output shaft of each adjusting motor 404, a gear ring 406 is disposed on the circumferential surface of each material clamping frame 403, the surface of each gear ring 406 is in meshing transmission with the surface of the adjusting gear 405, four servo electric cylinders one 407 are symmetrically disposed on the front surface and the back surface of the inner wall of the movable frame 401, one end of each drive shaft of the four servo electric cylinders one 407 is fixedly connected to the tops of the two movable frames 402, a connecting block 408 is disposed on the right side of the movable frame 401, the front and the back of the inner wall of the mounting frame 30 are both provided with a second servo electric cylinder 409, and one end of a driving shaft of the second servo electric cylinder 409 is fixedly connected with one side of the connecting block 408.

When the drill bit 102 is replaced, the left clamping frame 403 is driven to move to the position right below the drill bit 102 through the servo electric cylinder two 409, the movable frame 402 is driven to ascend by the two servo electric cylinders one 407, the clamping frame 403 limits the bottom end of the drill bit 102 for clamping, then the adjusting motor 404 drives the adjusting gear 405 to rotate, the clamping frame 403 rotates in the movable frame 402, the drill bit 102 is rotated out from the inside of the connecting seat 107, the right clamping frame 403 is pushed to the position right below the connecting seat 107, the movable frame 402 is driven to ascend by the two servo electric cylinders one 407, the adjusting motor 404 drives the clamping frame 403 to rotate in the movable frame 402 in cooperation with the adjusting gear 405, the new drill bit 102 in the clamping frame 403 is assembled with the connecting seat 107, automatic replacement and assembly processing of the drill bit 102 are realized through the material replacing mechanism, the efficiency of replacing the drill bit 102 is improved, the situation that the drill bit 102 falls into a drilled well in the process of replacing the drill bit 102 is effectively avoided, and the safety and stability of the drill bit 102 in the replacing process are guaranteed.

Example 2:

according to the invention, the front surface of the connecting frame 104 is hinged with the movable ring 50 through the hinge, one side of the movable ring 50 is fixedly connected with the inside of the connecting frame 104 through the bolt, and the movable ring 50 is movably matched and connected on the connecting frame 104, so that the drill rod 101 and the snap ring 103 on the surface can be conveniently assembled and connected inside the connecting frame 104, and the drill rod 101 can be rapidly disassembled inside the connecting frame 104 when the drill rod 101 is maintained and overhauled.

Example 3:

in the invention, both sides of the lower part in the fixed mount 20 are provided with the flushing nozzles 60, and the left side of the fixed mount 20 is also provided with the image acquisition sensor, specifically a CCD image sensor, after the drill 102 is matched with the drill rod 101 for drilling operation, the drill 102 is lifted between the two flushing nozzles 60, the drill 102 is flushed by using the two flushing nozzles 60 while the drill 102 is kept rotating at a low speed, mud blocks on the surface of the drill 102 are flushed, the size information of the drill 102 is acquired by the image acquisition sensor, the acquired size information of the drill 102 is transmitted to the analog-to-digital conversion module to be converted into size data information Q, finally the size data information Q of the drill 102 is transmitted to the control terminal, the acquired size data information Q of the drill 102 is compared with the size data information K of the drill 102 with the maximum wear allowance in the control terminal, when the acquired size data information Q is not more than the size data K of the drill 102 with the maximum wear allowance, feeding back the comparison result to a control end of an operator immediately, and starting a material changing mechanism by the operator to change the drill bit 102 in time; and when the collected size data information Q is larger than the size data information K of the drill bit 102 with the maximum allowable abrasion loss, continuing to perform rotary drilling operation by matching the drill bit 102 with the drill rod 101.

Example 4:

according to the invention, the sliding groove 501 matched with the fixed frame 302 is formed in the right side of the inner wall of the fixed frame 20, the two sliding rods 502 are symmetrically arranged inside the sliding groove 501, the top ends of the two sliding rods 502 penetrate through the fixed frame 302, the surfaces of the two sliding rods 502 are in sliding connection with the inside of the fixed frame 302, the two sliding rods 502 can be used for ensuring the stability of the vertical sliding of the fixed frame 302 inside the fixed frame 20, the drill rod 101 is prevented from shaking in the rotating process, and the safety of the drill bit 102 in drilling operation is improved. Oil feed nozzles are provided inside the mounting frame 203 and the fixed frame 302, and lubrication is performed on the components such as the chain 206 and the drive gear 303 inside the mounting frame 203 and the fixed frame 302 through the oil feed nozzles.

Example 5:

referring to fig. 1 to 7, the present invention further discloses a working method of a drilling apparatus for oil exploitation with a protection processing function, which specifically includes the following steps:

firstly, the moving frame 40 drives the rack 10 and the fixed frame 20 to move to a drilling area, an output shaft of the lifting motor 204 drives the driving wheels 205 on the surfaces to rotate, the chains 206 drive the driving wheels 205 on the surfaces of the two screws 202 to synchronously rotate, so that the two screws 202 rotate, the lifting blocks 201 slide downwards in the mounting plate while the screws 202 rotate, and the two lifting blocks 201 drive the connecting frame 104 to move downwards, so that the drill rod 101 drives the drill bit 102 to integrally descend;

secondly, when the drill rod 101 descends, the rotating motor 301 drives the driving gear 303 on the surface of the output shaft to rotate, the driving gear 303 drives the meshed driven gear 304 to rotate, so that the surface of the drill rod 101 rotates inside the connecting frame 104, the drill rod 101 rotates to drive the drill bit 102 arranged at the bottom end to rotate, and rotary drilling operation is performed by using the rotating drill bit 102;

thirdly, after the drill bit 102 is matched with the drill rod 101 to perform drilling operation, the drill bit 102 is lifted to a position between the two flushing nozzles 60, the drill bit 102 is kept to rotate at a low speed, the two flushing nozzles 60 are utilized to flush the drill bit 102, mud blocks on the surface of the drill bit 102 are flushed completely, size information of the drill bit 102 is acquired through an image acquisition sensor, the acquired size information of the drill bit 102 is transmitted to an analog-to-digital conversion module to be converted into size data information Q, finally the size data information Q of the drill bit 102 is transmitted to a control terminal, the acquired size data information Q of the drill bit 102 is compared with size data information K of the drill bit 102 with the maximum wear loss in the control terminal, when the acquired size data information Q is smaller than or equal to the size data information K of the drill bit 102 with the maximum wear loss, a comparison result is immediately fed back to the control terminal of an operator, an operator starts the material replacing mechanism to replace the drill bit 102 in time; when the collected size data information Q is larger than the size data information K of the drill bit 102 with the maximum allowable abrasion loss, the drill bit 102 is continuously matched with the drill rod 101 to perform rotary drilling operation;

fourth, when the drill 102 is replaced, a new drill 102 to be replaced is loaded into the card material frame 403 on the right side, when the drill bit 102 is replaced, the left material clamping frame 403 is driven by the second servo electric cylinder 409 to move to the position right below the drill bit 102, the movable frame 402 is driven by the first two servo electric cylinders 407 to ascend, the material clamping frame 403 limits the bottom end of the drill bit 102 to clamp materials, then, the adjusting motor 404 drives the adjusting gear 405 to rotate, so that the clamping frame 403 rotates in the movable frame 402, the drill 102 is rotated out from the connecting seat 107, then, the material clamping frame 403 on the right side is pushed to the position right below the connecting seat 107, the movable frame 402 is driven to ascend by the aid of the two servo electric cylinders 407, the adjusting motor 404 is matched with the adjusting gear 405 to drive the material clamping frame 403 to rotate inside the movable frame 402, and a new drill 102 in the material clamping frame 403 is assembled with the connecting seat 107.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drilling equipment for oil development with protection processing function, includes frame (10), the top of frame (10) is provided with mount (20), and the back of mount (20) is provided with mounting bracket (30), the bottom of frame (10) is provided with removes frame (40), its characterized in that: a drilling mechanism is movably arranged in the fixed frame (20), the drilling mechanism comprises a drill rod (101) and a drill bit (102), a connecting seat (107) is arranged at the bottom end of the drill rod (101), the interior of the connecting seat (107) is in threaded connection with the top end of the drill bit (102), a snap ring (103) is arranged above the surface of the drill rod (101), the surface of the snap ring (103) is provided with a connecting frame (104), the inside of the connecting frame (104) is provided with a clamping groove (105) matched with the snap ring (103), the inner part of the clamping groove (105) is rotationally connected with the surface of the clamping ring (103), fixing plates (106) are arranged on two sides of the inner wall of the fixing frame (20), one opposite sides of the two fixing plates (106) are respectively connected with two sides of the connecting frame (104) in a sliding manner, lifting assemblies are arranged inside the two fixing plates (106), and a rotating assembly is arranged at the top end of the drill rod (101);

the rod changing mechanism is arranged inside the mounting rack (30) and is positioned inside the mounting rack (30) in a sliding mode;

the rod changing mechanism comprises a movable frame (401) positioned in the mounting frame (30), the bottom of the movable frame (401) is connected with the top of the rack (10) in a sliding manner, two movable frames (402) are symmetrically arranged in the movable frame (401), and the inner parts of the two movable frames (402) are both rotatably provided with a clamping frame (403), the front surface of the movable frame (402) is provided with an adjusting motor (404), an adjusting gear (405) is arranged on the surface of an output shaft of the adjusting motor (404), a gear ring (406) is arranged on the circumferential surface of the clamping frame (403), and the surface of the gear ring (406) is in meshed transmission with the surface of the adjusting gear (405), the front surface and the back surface of the inner wall of the movable frame (401) are symmetrically provided with two first servo electric cylinders (407), one ends of driving shafts of the four first servo cylinders (407) are fixedly connected with the top of the movable frame (402);

a connecting block (408) is arranged on the right side of the movable frame (401), a second servo electric cylinder (409) is arranged on the front side and the back side of the inner wall of the mounting frame (30), and one end of a driving shaft of each of the two second servo electric cylinders (409) is fixedly connected with one side of the connecting block (408);

both sides of the lower part in the fixed frame (20) are provided with washing nozzles (60), and the left side of the fixed frame (20) is also provided with an image acquisition sensor;

after a drill bit (102) is matched with a drill rod (101) to perform drilling operation, the drill bit (102) is lifted to a position between two flushing nozzles (60), the drill bit (102) is kept to rotate at a low speed, the drill bit (102) is flushed by using the two flushing nozzles (60), mud blocks on the surface of the drill bit (102) are flushed completely, size information of the drill bit (102) is acquired by an image acquisition sensor, the acquired size information of the drill bit (102) is transmitted to an analog-to-digital conversion module to be converted into size data information Q, finally the size data information Q of the drill bit (102) is sent to a control terminal, the acquired size data information Q of the drill bit (102) is compared with size data information K of the drill bit (102) with the maximum wear amount allowed in the control terminal, and when the acquired size data information Q is not more than the size data information K of the drill bit (102) with the maximum wear amount allowed, feeding back the comparison result to a control end of an operator immediately, and starting a material changing mechanism by the operator to change the drill bit (102) in time; when the collected size data information Q is larger than the size data information K of the drill bit (102) with the maximum allowable abrasion loss, the drill bit (102) is matched with the drill rod (101) to perform rotary drilling operation continuously;

when the drill bit (102) is replaced, a new replaced drill bit (102) is arranged in the material clamping frame (403) on the right side, when the drill bit (102) is replaced, the material clamping frame (403) on the left side is driven to move to the position right below the drill bit (102) through the servo electric cylinder II (409), the movable frame (402) is driven to ascend through the servo electric cylinder I (407), the material clamping frame (403) limits the bottom end of the drill bit (102) to clamp materials, then the adjusting motor (404) drives the adjusting gear (405) to rotate to enable the material clamping frame (403) to rotate in the movable frame (402), the drill bit (102) is rotated out of the connecting seat (107), the material clamping frame (403) on the right side is pushed to the position right below the connecting seat (107), the movable frame (402) is driven to ascend through the servo electric cylinder I (407), and the adjusting motor (404) drives the material clamping frame (403) to rotate in the movable frame (402) through the adjusting gear (405), and assembling a new drill bit (102) in the clamping frame (403) and the connecting seat (107).

2. The drilling equipment with the protection treatment function for the oil exploitation according to claim 1, wherein: the lifting assembly comprises two lifting blocks (201) positioned inside a fixing plate (106), screw rods (202) are rotatably arranged inside the fixing plate (106), the surfaces of the screw rods (202) are connected with the inner threads of the lifting blocks (201), two sides of a connecting frame (104) respectively extend into the two fixing plates (106), two sides of the connecting frame (104) are respectively fixedly connected with one sides of the two lifting blocks (201), the top of the fixing plate (106) is provided with an installation frame (203), the top of the installation frame (203) is provided with a lifting motor (204), one end of an output shaft of the lifting motor (204) extends into the installation frame (203), the top ends of the two screw rods (202) respectively extend into the installation frame (203) to be rotatably connected, and driving wheels (205) are respectively arranged on the surfaces of the output shaft of the lifting motor (204) and the surfaces of the two screw rods (202), and the surfaces of the three driving wheels (205) are in driving connection through chains (206).

3. The drilling equipment with the protection treatment function for the oil exploitation according to claim 1, wherein: the rotating assembly comprises a rotating motor (301), the rear of the top of the connecting frame (104) is provided with a fixed frame (302), the rotating motor (301) is located inside the fixed frame (302), the surface of an output shaft of the rotating motor (301) is provided with a driving gear (303), the bottom end of the drill rod (101) penetrates through the fixed frame (302) and extends to the inside of the fixed frame (302), the surface of the drill rod (101) located inside the fixed frame (302) is provided with a driven gear (304), and the surface of the driving gear (303) is in surface meshing transmission with the driven gear (304).

4. The drilling equipment with the protection treatment function for the oil exploitation according to claim 1, wherein: the front of the connecting frame (104) is hinged with a movable ring (50) through a hinge, and one side of the movable ring (50) is fixedly connected with the inside of the connecting frame (104) through a bolt.

5. The drilling equipment for oil exploitation with the protection treatment function according to claim 3, wherein: the right side of mount (20) inner wall is seted up with fixed frame (302) matched with spout (501), and the inside symmetry of spout (501) is provided with two slide bars (502), two fixed frame (302) is all run through on the top of slide bar (502), and the surface of two slide bars (502) all with the inside sliding connection of fixed frame (302).