CN115030677B - Down-the-hole drill bit salvaging equipment and salvaging method thereof - Google Patents
Down-the-hole drill bit salvaging equipment and salvaging method thereof Download PDFInfo
- Publication number
- CN115030677B CN115030677B CN202210463407.2A CN202210463407A CN115030677B CN 115030677 B CN115030677 B CN 115030677B CN 202210463407 A CN202210463407 A CN 202210463407A CN 115030677 B CN115030677 B CN 115030677B
- Authority
- CN
- China
- Prior art keywords
- salvaging
- drill
- transmission connection
- threaded
- bevel gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 238000005553 drilling Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 210000000078 claw Anatomy 0.000 claims description 17
- 239000011435 rock Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 2
- 238000009933 burial Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a down-the-hole drill bit salvaging device and a salvaging method thereof, which belong to the technical field of geological drilling, wherein a carrier is in transmission connection with one end of a luffing device, one end of the luffing device is fixedly provided with a lifting device, the lower end of the lifting device is inserted with a thread telescoping device, and the thread telescoping device is in threaded transmission connection with a salvaging mechanism, so that the purpose of rotary feeding is realized through the salvaging mechanism. When the device is used, the salvaging mechanism is inserted into the main driving component, the main driving component drives the salvaging mechanism to rotate, the lower end of the main driving component is coaxially connected with the reaming and drilling pipe, the upper end of the main driving component is coaxially connected with the salvaging mechanism, the reaming and drilling pipe is used for reaming a drilled hole, and the buried drill can be reversely and spirally extracted by the salvaging mechanism through the main driving component, so that the purpose of salvaging the buried drill is realized. The invention has reasonable design, is suitable for handling buried drilling accidents of various types of drills, and solves the problem of economic loss caused by abandoned drilling due to hole collapse in drilling.
Description
Technical Field
The invention relates to the technical field of geological drilling, in particular to a down-the-hole drill bit salvaging device and a salvaging method thereof.
Background
The down-the-hole drill bit is matched with the impactor through the spline to carry out drilling operation, and is widely applied to exploitation of surface mines, drilling of quarries, hydroelectric engineering and water wells, support of excavation side columns and the like. The method comprises the following steps: the low-pressure down-the-hole stud bit, the middle-high wind pressure down-the-hole stud bit, the down-the-hole stud bit and the down-the-hole impactor are matched for use, and the down-the-hole stud bit has the characteristics of flat drilling, high speed and deep hole drilling.
In the geological drilling process, because the local rock-soil ore layer structure is complex, the applied down-the-hole drill bit frequently generates accidents such as drilling burning, drilling sticking, drilling burying and the like, so that the drill bit stays in a drill hole, particularly under the condition of hole collapse in the drill hole, the drill bit of the rotary drilling rig is buried due to the soil collapsed in the drill hole, and the buried drilling accident is treated by adopting a method of pulling a hard top simply, so that the effect cannot be achieved. Therefore, the conventional buried drilling treatment modes such as 'cleaning, penetrating, jacking, frying, expanding, fishing, smashing, digging' and the like cannot pull out the drill bit of the rotary drilling rig from the drill hole, and the drill bit is scrapped, so that great economic loss is caused.
Disclosure of Invention
Therefore, the invention provides a down-the-hole drill bit salvaging device and a salvaging method thereof, which are used for solving the problem that the drilling is scrapped due to hole collapse in the drilling in the prior art, so that larger economic loss is caused.
In order to achieve the above object, the present invention provides the following technical solutions:
according to a first aspect of the invention:
the invention discloses down-the-hole drill bit salvaging equipment which is arranged on a carrier and comprises a lifting device, a luffing device, a thread telescoping device, a main driving part, a reaming drill pipe and a salvaging mechanism, wherein the carrier is in transmission connection with one end of the luffing device, one end of the luffing device is fixedly provided with the lifting device, the lower end of the lifting device is inserted with the thread telescoping device, the thread telescoping device is in transmission connection with the salvaging mechanism, the salvaging mechanism is inserted into the main driving part, the lower end of the main driving part is in coaxial transmission connection with the reaming drill pipe, and the upper end of the main driving part is in coaxial transmission connection with the salvaging mechanism.
Further, the lifting device comprises a main hydraulic cylinder, a sleeve hole, a long groove, a guide seat and a clamping groove, wherein the main driving part is in transmission connection with the main hydraulic cylinder, the main hydraulic cylinder is in threaded connection and fixed on the upper side of the guide seat, the clamping groove is formed in the lower side of the guide seat, the sleeve hole is formed in the axis of the guide seat, and the long groove is formed in the inner wall of the sleeve hole.
Further, the screw thread telescoping device includes and accepts board, screwed pipe, auxiliary hydraulic cylinder and gib block, the guide holder bilateral symmetry is provided with a pair of auxiliary hydraulic cylinder, a pair of auxiliary hydraulic cylinder links to each other with accepting the board, it is provided with the screwed pipe to accept on the board vertically, the screwed pipe outer wall is provided with the gib block, the gib block slides and sets up in the elongated slot, the screwed pipe slides and sets up in the trepanning.
Further, the salvaging mechanism comprises a threaded piston, a spline shaft, a universal joint and a mechanical claw, wherein the threaded piston on the inner side of the threaded pipe is in threaded transmission connection, the bottom of the threaded piston is in coaxial transmission connection with the spline shaft, and the spline shaft is connected with the mechanical claw through the universal joint.
Further, the main driving part comprises a hydraulic motor, a coaxial reversing device, a torque output device, a casing cover plate and a sliding groove, wherein the spline shaft is inserted into the torque output device, the torque output device is arranged at the top of the coaxial reversing device, the torque output device is in coaxial transmission connection with the coaxial reversing device, a pair of hydraulic motors is symmetrically arranged on two sides of the coaxial reversing device, the casing cover plate is arranged at the front end of the coaxial reversing device, and the sliding groove is arranged at the rear end of the coaxial reversing device.
Further, the coaxial reversing device comprises a case, a first bevel gear, a transmission bevel gear and a second bevel gear, the case cover plate is fixedly arranged at the front end of the case, the first bevel gear is installed at the top of the case, the first bevel gear is in meshed transmission connection with two transmission bevel gears, the two transmission bevel gears are respectively in transmission connection with a pair of hydraulic motors, the two transmission bevel gears are simultaneously in transmission connection with the second bevel gear, and the second bevel gear is arranged at the bottom of the case.
Further, the torque output device comprises push-pull electromagnets, key blocks and a fixed disc, the first bevel gear is in coaxial transmission connection with the fixed disc, a plurality of push-pull electromagnets are mounted on the fixed disc, any one push-pull electromagnet is in transmission connection with one key block, and the key blocks are movably inserted on the spline shaft.
Further, the reaming drill pipe comprises a rock breaking roller, a spiral guiding-out groove and a pipe body, wherein the second bevel gear is connected with the pipe body in a coaxial transmission manner, the spiral guiding-out groove is formed in the outer side of the pipe body, and the rock breaking roller is arranged at the end portion of the pipe body.
Further, the amplitude changing device comprises a supporting rod, a first amplitude changing oil cylinder, a second amplitude changing oil cylinder, a hinging seat and a drilling frame, wherein the guiding seat is fixedly arranged on the front side of the drilling frame, the rear side of the drilling frame is integrally connected with the hinging seat, the hinging seat is hinged with one end of the supporting rod, the other end of the supporting rod is hinged with a carrier, the carrier is hinged with one end of the first amplitude changing oil cylinder, the other end of the first amplitude changing oil cylinder is hinged with the middle part of the supporting rod, the supporting rod is hinged with one end of the second amplitude changing oil cylinder, and the other end of the second amplitude changing oil cylinder is hinged with the hinging seat.
Further, the hydraulic pump is communicated with the pipe body through the spline shaft.
According to a second aspect of the invention:
the invention discloses a salvaging method, which is applied to the down-the-hole drill salvaging equipment, wherein the main hydraulic cylinder is aligned with the drilling position of the buried drill, the hydraulic motor is started, the coaxial reversing device drives the pipe body to rotate, the main hydraulic cylinder drives the pipe body to downwards ream, when the rock breaking roller reaches the drilling position, the hydraulic motor stops working, the spline shaft downwards moves to drive the mechanical claw to grasp the drill, the torque output device is started and the hydraulic motor is started to rotationally lift the buried drill.
The invention has the following advantages:
according to the technical scheme, the coaxial reversing structure is utilized, the mechanical claw is driven by the first bevel gear, the pipe body is driven by the second bevel gear, and therefore the mechanical claw and the pipe body are screwed in opposite directions.
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 will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a perspective view of a down-the-hole drill bit salvaging apparatus provided by the present invention;
FIG. 2 is a perspective view of a down-the-hole drill salvaging apparatus according to the present invention;
FIG. 3 is a perspective view of a luffing device of the down-the-hole drill bit salvaging equipment provided by the invention;
FIG. 4 is a perspective view of a reaming pipe of the down-the-hole drill fishing apparatus of the present invention;
FIG. 5 is a perspective view of a torque output device of the down-the-hole drill salvaging apparatus provided by the present invention;
FIG. 6 is a perspective view of a coaxial inversion device of the down-the-hole drill bit salvaging apparatus provided by the invention;
FIG. 7 is a perspective view of the main drive components of a down-the-hole drill bit fishing apparatus provided by the present invention;
FIG. 8 is a perspective view of a salvaging mechanism of a down-the-hole drill salvaging apparatus provided by the present invention;
FIG. 9 is a perspective view of a threaded telescoping device of the down-the-hole drill bit salvaging equipment provided by the invention;
FIG. 10 is a perspective view of a pulling device of the down-the-hole drill bit salvaging equipment provided by the invention;
in the figure: 1, a lifting device; 11 a main hydraulic cylinder; 12 sleeve holes; 13 elongated slots; 14 guide seats; 15 clamping grooves; 2 an amplitude changing device; a 21 support bar; 22 a first luffing cylinder; 23 a second luffing cylinder; 24 hinge seats; 25. a drill frame; 3, a thread telescoping device; 31 a receiving plate; 32 threaded pipes; 33 auxiliary hydraulic cylinders; 34 guide bars; 4 a main driving part; a 41 hydraulic motor; 42 coaxial inversion means; 421 chassis; 422 a first bevel gear; 423 drive bevel gears; 424 a second bevel gear; 43 torque output means; 431 push-pull electromagnet; 432. a key block; 433 a fixed disc; 5 reaming the drill pipe; 51 rock breaking cone; 52 spiral lead-out grooves; 53 pipe body; 6. a salvaging mechanism; a 61-thread piston; 62 spline shaft; 63 universal joints; 64 grippers.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-10, the invention discloses a down-the-hole drill bit salvaging device which is arranged on a carrier and comprises a lifting device 1, a luffing device 2, a thread telescoping device 3, a main driving part 4, a reaming drill pipe 5 and a salvaging mechanism 6, wherein the carrier is in transmission connection with one end of the luffing device 2, the lifting device 1 is fixedly arranged at one end of the luffing device 2, the carrier can meet the position, the direction and the depth of a blast hole required by mining drilling, and the positioning and the directional actions of the blast hole are completed by the luffing device 2 of a drill boom and a translation mechanism of the lifting device 1. The lower end of the lifting device 1 is inserted with a thread telescoping device 3, and the thread telescoping device 3 is in thread transmission connection with a salvaging mechanism 6, so that the purpose of rotary feeding is realized through the salvaging mechanism 6, and the buried drill is salvaged. The fishing mechanism 6 is inserted into the main driving part 4, the main driving part 4 drives the fishing mechanism 6 to rotate, and the main driving part 4 is a coaxial reversing mechanism. Because the lower extreme of main drive part 4 is connected with the coaxial transmission of reaming boring pipe 5, and the upper end of main drive part 4 is connected with fishing mechanism 6 coaxial transmission, and reaming boring pipe 5 is used for reaming the drilling, and can take out the reverse spiral of burial through main drive part 4 utilizing fishing mechanism 6, realizes the purpose of salvaging the burial in the geotechnical layer.
According to one embodiment of the invention, the lifting device 1 comprises a main hydraulic cylinder 11, a sleeve hole 12, a long groove 13, a guide seat 14 and a clamping groove 15, wherein the main driving part 4 is in transmission connection with the main hydraulic cylinder 11, the main hydraulic cylinder 11 is responsible for translating the main driving part 4, the main hydraulic cylinder 11 is fixedly connected to the upper side of the guide seat 14 in a threaded manner, the clamping groove 15 is arranged on the lower side of the guide seat 14, and the clamping groove 15 and the drilling frame 25 are clamped together, so that the main driving part 4 is lifted to move linearly. The sleeve hole 12 is arranged at the axis of the guide seat 14, the long groove 13 is arranged on the inner wall of the sleeve hole 12, and the long groove 13 has the function of preventing the problem that the drill bit cannot be extracted upwards due to the fact that the threaded piston 61 drives the threaded pipe 32 to rotate in the sleeve hole 12 when the drill bit is salvaged and buried.
According to one embodiment of the present disclosure, the threaded expansion device 3 includes a receiving plate 31, a threaded pipe 32, an auxiliary hydraulic cylinder 33 and a guide bar 34, and a pair of auxiliary hydraulic cylinders 33 are symmetrically disposed at both sides of the guide seat 14, and the pair of auxiliary hydraulic cylinders 33 are connected to the receiving plate 31, so as to drive the receiving plate 31 to linearly move. The threaded pipe 32 is vertically arranged on the bearing plate 31, the guide strip 34 is arranged on the outer wall of the threaded pipe 32, the guide strip 34 is slidably arranged in the long groove 13, the threaded pipe 32 is limited to rotate, the threaded pipe 32 is slidably arranged in the trepanning 12, the salvaging mechanism 6 passes through the bearing plate 31 to be in threaded transmission connection with the threaded pipe 32, when the salvaging mechanism 6 rotates, the salvaging mechanism 6 can be lifted upwards through a threaded pair, meanwhile, the bearing plate 31 is driven by combining an auxiliary hydraulic cylinder 33 in a straight line, a compensation effect can be achieved on the inconsistent leads of the threaded pipe 32 and the buried drill, and the buried drill can be extracted through the combined action.
According to one embodiment of the present disclosure, the fishing mechanism 6 includes a threaded piston 61, a spline shaft 62, a universal joint 63, and a mechanical claw 64, and the inside of the threaded pipe 32 is in threaded driving connection with the threaded piston 61, so that the threaded piston 61 can be screwed up in the threaded pipe 32. The bottom of the threaded piston 61 is coaxially connected with the spline shaft 62 in a transmission manner, so that the spline shaft 62 is driven to rotate by the main driving part 4, and the threaded piston 61 is driven to rotate. The spline shaft 62 is connected with the mechanical claw 64 through the universal joint 63, the mechanical claw 64 is used for grabbing the buried drill, and meanwhile, in order to avoid the problem that the spline shaft 62 is not overlapped with the axis of the buried drill to cause interference, the universal joint 63 is used for transmitting torque between the spline shaft 62 and the mechanical claw 64, so that the difficulty of salvaging the buried drill is reduced.
According to one embodiment of the present disclosure, the main drive unit 4 includes a hydraulic motor 41, a coaxial reversing device 42, a torque output device 43, a housing cover 44, and a chute 45, as shown in fig. 2, a spline shaft 62 is inserted into the torque output device 43, and the torque output device 43 may abut against a groove of the spline shaft 62, so that the spline shaft 62 is coaxially driven with the torque output device 43, as shown in fig. 5. The torque output device 43 is arranged on top of the coaxial reversing device 42, the torque output device 43 being in coaxial driving connection with the coaxial reversing device 42, so that the coaxial reversing device 42 drives the torque output device 43 to rotate together. A pair of hydraulic motors 41 are symmetrically provided on both sides of the coaxial reversing device 42, thereby outputting power to the coaxial reversing device 42. The front end of the coaxial reversing device 42 is provided with a casing cover plate 44, the rear end of the coaxial reversing device 42 is provided with a chute 45, the cover plate 44 is connected with a piston rod of the main hydraulic cylinder 11, and the chute 45 is arranged on the drill frame 25 in a sliding manner, so that a guiding effect is achieved, the coaxial reversing device 42 can be driven to linearly move along the drill frame 25 through the main hydraulic cylinder 11, and then the coaxial reversing device 42 drives the reaming drill pipe 5 to ream the existing drilling hole, so that the salvaging of the drill bit is facilitated.
According to one embodiment of the present disclosure, the coaxial reversing device 42 includes a case 421, a first bevel gear 422, a driving bevel gear 423, and a second bevel gear 424, a case cover 44 is fixedly disposed at a front end of the case 421, the first bevel gear 422 is mounted on a top of the case 421, the first bevel gear 422 is in meshed driving connection with the two driving bevel gears 423, the two driving bevel gears 423 are respectively in driving connection with a pair of hydraulic motors 41, as shown in fig. 6, the two driving bevel gears 423 are simultaneously in driving connection with the second bevel gear 424, the pair of hydraulic motors 41 outputs power to the two driving bevel gears 423 to drive the two driving bevel gears 423 to rotate in opposite directions, and the second bevel gear 424 is disposed at a bottom of the case 421 to rotate the first bevel gear 422 and the second bevel gear 424 in opposite directions, thereby rotating and feeding the reamer pipe 5 and the gripper 64 in opposite directions.
According to one embodiment of the present disclosure, the torque output device 43 includes a push-pull electromagnet 431, a key block 432 and a fixed disc 433, the first bevel gear 422 is coaxially connected with the fixed disc 433 in a transmission manner, the fixed disc 433 is provided with a plurality of push-pull electromagnets 431, any push-pull electromagnet 431 is connected with one key block 432 in a transmission manner, and the key block 432 is movably inserted on the spline shaft 62. As shown in fig. 5, a plurality of push-pull electromagnets 431 are axially arranged on a fixed disc 433, and all push-pull electromagnets 431 are controlled by a single switch, when the push-pull electromagnets 431 are powered on, a key block 432 is directly pushed into a key groove on a spline shaft 62 by the push-pull electromagnets 431, so that a first bevel gear 422 can output torque to the spline shaft 62 through the key block 432, and since the burial is embedded into a rock soil layer and the burial itself is provided with threads, a torque needs to be given to the burial to extract the burial, therefore, under the condition that a mechanical claw 64 clamps the burial, the spline shaft 62 rotates to drive a threaded piston 61 to rotate, so that the threaded piston 61 is screwed upwards along a threaded pipe 32, and the burial is separated from the drill.
According to one embodiment of the present disclosure, the reaming drill pipe 5 includes a rock-breaking cone 51, a spiral lead-out groove 52 and a pipe body 53, the second bevel gear 424 is coaxially and drivingly connected with the pipe body 53, and the end of the pipe body 53 is provided with the rock-breaking cone 51. The rock breaking cone 51 is used to break up hard sand in the formation. The outside of the pipe body 53 is provided with the spiral guiding-out groove 52, so that the speed of the pipe body 53 entering the drilling hole can be obviously increased, and the effect of rapid reaming is achieved. Specifically, when the coaxial reversing device 42 is started, and when the pipe body 53 reaches the position of the buried drill, the coaxial reversing device 42 pauses to work, at this time, the spline shaft 62 drives the mechanical claw 64 to move downwards to clamp the buried drill, the key block 432 of the torque output device 43 is abutted against the spline shaft 62, then the coaxial reversing device 42 is restarted, at this time, the spline shaft 62 reversely rotates and ascends to bring the buried drill out, the pipe body 53 descends forward, the rock soil layer around the buried drill is damaged, a vacuum piston is prevented from being formed in the drilled hole, and the buried drill is prevented from being continuously lifted, so that the problem of increasing the equipment load is caused. Still further, a hydraulic pump is further included, which is in communication with the pipe body 53 through the spline shaft 62, so that water can be injected into the borehole during the process of extracting the drill bit, and mud is formed in the borehole and circulated and discharged, so as to reduce the obstruction caused to the extraction and burial of the drill bit.
According to a specific embodiment of the invention, the amplitude changing device 2 comprises a supporting rod 21, a first amplitude changing oil cylinder 22, a second amplitude changing oil cylinder 23, a hinging seat 24 and a drilling frame 25, wherein the guiding seat 14 is fixedly arranged on the front side of the drilling frame 25, the rear side of the drilling frame 25 is integrally connected with the hinging seat 24, the hinging seat 24 is hinged with one end of the supporting rod 21, the other end of the supporting rod 21 is hinged with a carrier, the carrier is hinged with one end of the first amplitude changing oil cylinder 22, the other end of the first amplitude changing oil cylinder 22 is hinged with the middle part of the supporting rod 21, the supporting rod 21 is hinged with one end of the second amplitude changing oil cylinder 23, and the other end of the second amplitude changing oil cylinder 23 is hinged with the hinging seat 24. With these components, a back and forth or pitching of the boom 25 can be accomplished, as shown in fig. 3, by providing two hinge points on the hinge mount 24.
Example 2
The embodiment of the invention discloses a salvaging method, which comprises the steps that in the salvaging equipment for the down-the-hole drill bit, which is provided in the embodiment 1, a main hydraulic cylinder 11 is aligned with the drilling position of the buried drill bit, a hydraulic motor 41 is started, a coaxial reversing device 42 drives a pipe 53 to rotate, the main hydraulic cylinder 11 drives the pipe 53 to downwards ream, when a rock breaking cone 51 reaches the drilling position, the hydraulic motor 41 stops working, a spline shaft 62 moves downwards to drive a mechanical claw 64 to grasp the drill bit, a torque output device 43 is started and the hydraulic motor 41 is started, so that the buried drill bit is rotated and lifted.
The application process of the embodiment of the invention is as follows:
when the downhole drill bit salvaging equipment is specifically used, firstly, a carrier is opened to a drill burying position, a first amplitude-variable oil cylinder 22 and a second amplitude-variable oil cylinder 23 drive a supporting rod 21 to swing forwards and backwards or in a pitching mode, so that a pipe body 53 is aligned with a drill burying drill hole, then a main driving part 4 is started, a second bevel gear 424 drives the pipe body 53 to rotate forwards, a main hydraulic cylinder 11 drives a coaxial reversing device 42 to move downwards and ream the drill hole, when the pipe body 53 reaches the drill burying depth, the main driving part 4 pauses, at the moment, an auxiliary hydraulic cylinder 33 drives a threaded pipe 32 to move downwards, so that a spline shaft 62 stretches into the pipe body 53, after a mechanical claw 64 clamps the drill bit, a torque output device 43 is electrified and props against the spline shaft 62, finally the main driving part 4 is restarted, the pipe body 53 continues to move downwards in a forward screwing mode, and the spline shaft 62 reversely rotates and retracts into the threaded pipe 32, so that a mechanical claw 64 reversely rotates out, and the drill burying drill bit is carried out.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (7)
1. The down-the-hole drill bit salvaging equipment is mounted on a carrier and is characterized by comprising a lifting device (1), a luffing device (2), a thread telescoping device (3), a main driving component (4), a reaming drill pipe (5) and a salvaging mechanism (6), wherein the carrier is in transmission connection with one end of the luffing device (2), the lifting device (1) is fixedly arranged at one end of the luffing device (2), the thread telescoping device (3) is inserted into the lower end of the lifting device (1), the thread telescoping device (3) is in threaded transmission connection with the salvaging mechanism (6), the salvaging mechanism (6) is inserted into the main driving component (4), the lower end of the main driving component (4) is in coaxial transmission connection with the reaming drill pipe (5), and the upper end of the main driving component (4) is in coaxial transmission connection with the salvaging mechanism (6);
the lifting device (1) comprises a main hydraulic cylinder (11), a sleeve hole (12), a long groove (13), a guide seat (14) and a clamping groove (15), wherein the main driving part (4) is in transmission connection with the main hydraulic cylinder (11), the main hydraulic cylinder (11) is fixedly connected to the upper side of the guide seat (14) in a threaded manner, the clamping groove (15) is arranged on the lower side of the guide seat (14), the sleeve hole (12) is arranged at the axis of the guide seat (14), and the long groove (13) is arranged on the inner wall of the sleeve hole (12);
the thread telescoping device (3) comprises a bearing plate (31), a threaded pipe (32), auxiliary hydraulic cylinders (33) and guide strips (34), wherein a pair of auxiliary hydraulic cylinders (33) are symmetrically arranged on two sides of the guide seat (14), the pair of auxiliary hydraulic cylinders (33) are connected with the bearing plate (31), the threaded pipe (32) is vertically arranged on the bearing plate (31), the guide strips (34) are arranged on the outer wall of the threaded pipe (32), the guide strips (34) are slidably arranged in the long grooves (13), and the threaded pipe (32) is slidably arranged in the trepanning (12);
the fishing mechanism (6) comprises a threaded piston (61), a spline shaft (62), a universal joint (63) and a mechanical claw (64), wherein the inner side of the threaded pipe (32) is in threaded transmission connection with the threaded piston (61), the bottom of the threaded piston (61) is in coaxial transmission connection with the spline shaft (62), and the spline shaft (62) is connected with the mechanical claw (64) through the universal joint (63);
the main driving component (4) comprises a hydraulic motor (41), a coaxial reversing device (42), a torque output device (43), a casing cover plate (44) and a chute (45), wherein the spline shaft (62) is inserted into the torque output device (43), the torque output device (43) is arranged at the top of the coaxial reversing device (42), the torque output device (43) is connected with the coaxial reversing device (42) in a coaxial transmission manner, a pair of hydraulic motors (41) are symmetrically arranged on two sides of the coaxial reversing device (42), the casing cover plate (44) is arranged at the front end of the coaxial reversing device (42), and the chute (45) is arranged at the rear end of the coaxial reversing device (42).
2. A down-the-hole drill salvaging device as set forth in claim 1, characterized in that said coaxial reversing device (42) comprises a chassis (421), a first bevel gear (422), a transmission bevel gear (423) and a second bevel gear (424), said chassis cover plate (44) is fixedly disposed at the front end of the chassis (421), said first bevel gear (422) is mounted at the top of the chassis (421), said first bevel gear (422) is in meshed transmission connection with two transmission bevel gears (423), said two transmission bevel gears (423) are respectively in transmission connection with a pair of hydraulic motors (41), said two transmission bevel gears (423) are simultaneously in transmission connection with the second bevel gear (424), and said second bevel gear (424) is disposed at the bottom of the chassis (421).
3. A down-the-hole drill bit salvaging device as set forth in claim 2, characterized in that said torque output device (43) comprises push-pull electromagnets (431), a key block (432) and a fixed disc (433), said first bevel gear (422) is coaxially connected with the fixed disc (433) in a transmission manner, said fixed disc (433) is provided with a plurality of push-pull electromagnets (431), any push-pull electromagnet (431) is in transmission connection with a key block (432), and said key block (432) is movably inserted on the spline shaft (62).
4. A down-the-hole drill bit fishing apparatus as defined in claim 3, wherein the reaming drill pipe (5) comprises a rock breaking cone (51), a spiral guiding-out groove (52) and a pipe body (53), the second bevel gear (424) is coaxially connected with the pipe body (53) in a transmission manner, the spiral guiding-out groove (52) is arranged on the outer side of the pipe body (53), and the rock breaking cone (51) is arranged at the end part of the pipe body (53).
5. The down-the-hole drill bit salvaging equipment as set forth in claim 4, characterized in that the amplitude device (2) comprises a supporting rod (21), a first amplitude cylinder (22), a second amplitude cylinder (23), a hinging seat (24) and a drilling frame (25), the guide seat (14) is fixedly arranged on the front side of the drilling frame (25), the rear side of the drilling frame (25) is integrally connected with the hinging seat (24), the hinging seat (24) is hinged with one end of the supporting rod (21), the other end of the supporting rod (21) is hinged with a carrier, the carrier is hinged with one end of the first amplitude cylinder (22), the other end of the first amplitude cylinder (22) is hinged with the middle of the supporting rod (21), the supporting rod (21) is hinged with one end of the second amplitude cylinder (23), and the other end of the second amplitude cylinder (23) is hinged with the hinging seat (24).
6. A down-the-hole bit fishing apparatus as defined in claim 5, further comprising a hydraulic pump in communication with the tubular body (53) via a spline shaft (62).
7. A salvaging method, using a down-the-hole drill salvaging device as set forth in claim 6, characterized in that said main hydraulic cylinder (11) is aligned with the drilling position of the buried drill, said hydraulic motor (41) is started, said coaxial reversing device (42) rotates with the pipe body (53), said main hydraulic cylinder (11) expands downwards with the pipe body (53), when said rock breaking cone (51) reaches the position of the buried drill, said hydraulic motor (41) stops working, said spline shaft (62) moves downwards to drive said mechanical claw (64) to grasp the drill, said torque output device (43) is started and said hydraulic motor (41) is started, and the buried drill is rotated and lifted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210463407.2A CN115030677B (en) | 2022-04-28 | 2022-04-28 | Down-the-hole drill bit salvaging equipment and salvaging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210463407.2A CN115030677B (en) | 2022-04-28 | 2022-04-28 | Down-the-hole drill bit salvaging equipment and salvaging method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115030677A CN115030677A (en) | 2022-09-09 |
| CN115030677B true CN115030677B (en) | 2023-08-08 |
Family
ID=83118491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210463407.2A Active CN115030677B (en) | 2022-04-28 | 2022-04-28 | Down-the-hole drill bit salvaging equipment and salvaging method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115030677B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB473172A (en) * | 1936-02-08 | 1937-10-07 | Bataafsche Petroleum | A device for taking cores from a borehole |
| US3588165A (en) * | 1968-03-19 | 1971-06-28 | Oemv Ag | Fishing device for deep wells |
| CN208996684U (en) * | 2018-10-31 | 2019-06-18 | 长江大学 | A kind of down-hole fishing device that can be operated repeatedly |
| CN111720089A (en) * | 2020-07-01 | 2020-09-29 | 曹燚 | Positioning mechanism, fishing device and fishing method for drill bit fishing |
| CN113279717A (en) * | 2021-05-25 | 2021-08-20 | 周梦娇 | Drill bit fishing device capable of simply grasping and lifting rear lever |
| CN113818828A (en) * | 2020-06-19 | 2021-12-21 | 江门宝锐机械工程有限公司 | Screw principle fishing device |
-
2022
- 2022-04-28 CN CN202210463407.2A patent/CN115030677B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB473172A (en) * | 1936-02-08 | 1937-10-07 | Bataafsche Petroleum | A device for taking cores from a borehole |
| US3588165A (en) * | 1968-03-19 | 1971-06-28 | Oemv Ag | Fishing device for deep wells |
| CN208996684U (en) * | 2018-10-31 | 2019-06-18 | 长江大学 | A kind of down-hole fishing device that can be operated repeatedly |
| CN113818828A (en) * | 2020-06-19 | 2021-12-21 | 江门宝锐机械工程有限公司 | Screw principle fishing device |
| CN111720089A (en) * | 2020-07-01 | 2020-09-29 | 曹燚 | Positioning mechanism, fishing device and fishing method for drill bit fishing |
| CN113279717A (en) * | 2021-05-25 | 2021-08-20 | 周梦娇 | Drill bit fishing device capable of simply grasping and lifting rear lever |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115030677A (en) | 2022-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110485923B (en) | Half-rotation well track control tool | |
| US6167968B1 (en) | Method and apparatus for radially drilling through well casing and formation | |
| US7318491B2 (en) | Apparatus and method for modified horizontal directional drilling assembly | |
| CN111042792B (en) | Deep drilling longitudinal joint cutting device and method | |
| EP1751390B1 (en) | Apparatus and method for modified horizontal directional drilling assembly | |
| CN105927162A (en) | Double-power-head derrick and full hydraulic double-power-head casing pipe drilling machine | |
| CN113026746A (en) | Static pile press for hole guiding and digging and construction method thereof | |
| KR101448294B1 (en) | direction controllable boring method and apparatus for boring | |
| US3174562A (en) | Auger boring machine | |
| CN103195357A (en) | Full-casing type special drilling machine | |
| CN115030677B (en) | Down-the-hole drill bit salvaging equipment and salvaging method thereof | |
| WO1983000183A1 (en) | Hydraulic down-the-hole rock drill | |
| US20050098354A1 (en) | Drilling apparatus with anti-vibration inertial body | |
| CN106854881A (en) | Rig on excavator with quartering hammer | |
| CN110552613A (en) | rock drilling device for mining | |
| CN106964988A (en) | A kind of engine bearer bracket assembly rig | |
| JPS61142287A (en) | Apparatus for forming circular boring hole in ground | |
| CN115538937A (en) | Long-distance horizontal collapse-preventing drilling equipment for soft coal seam in underground coal mine | |
| CN211008441U (en) | All-hydraulic rotary drilling rig suitable for mining | |
| JPS6135356B2 (en) | ||
| CN112983256A (en) | Drilling method based on top hammer type pipe following drilling and reinforcing method in construction process | |
| CN215057163U (en) | Rotary drilling rig goose head frame folding device | |
| CN206428738U (en) | Rig on excavator with quartering hammer | |
| CN111827881B (en) | Reciprocating peristaltic drillless drilling rig | |
| CN214247215U (en) | All-hydraulic rotary drilling rig suitable for mining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |