CN112412329A - Drilling machine with multi-angle is adjusted - Google Patents
Drilling machine with multi-angle is adjusted Download PDFInfo
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- CN112412329A CN112412329A CN202011244022.4A CN202011244022A CN112412329A CN 112412329 A CN112412329 A CN 112412329A CN 202011244022 A CN202011244022 A CN 202011244022A CN 112412329 A CN112412329 A CN 112412329A
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- 238000005553 drilling Methods 0.000 title claims abstract description 249
- 238000010276 construction Methods 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002689 soil Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 240000007643 Phytolacca americana Species 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Classifications
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- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
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- 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
- E21B12/00—Accessories for drilling tools
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- 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
- E21B12/00—Accessories for drilling tools
- E21B12/06—Mechanical cleaning devices
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- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
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- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
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- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling machine with multi-angle adjustment, which comprises a drilling base, a sliding block and a supporting frame, wherein the upper surface of the drilling base is provided with a sliding way, the inside of the sliding way is movably connected with the sliding block, the upper surface of the sliding block is fixedly connected with the supporting frame, the inside of the supporting frame is movably connected with a rotating disc, the inside of the rotating disc is fixedly connected with a drilling motor, and the output end of the drilling motor is movably connected with a drilling head. The drilling machine has the advantages that the relative positions of the drilling motor and the drilling base can be moved through the arrangement of the rotating base and the connecting rod, the direction of the drilling motor can be always aligned to the drilling through the arrangement of the connecting rod, the position of the drilling motor can be fixed through the reinforcing block after the angle of the drilling motor is adjusted, the effect of adjusting the drilling angle is achieved, the drilling angle can be changed without adjusting the level of the whole drilling machine, the potential safety hazard is small, and the construction is convenient.
Description
Technical Field
The invention relates to the technical field of drilling machines, in particular to a drilling machine with multi-angle adjustment.
Background
A drilling machine is a general term for machinery and equipment which uses a tool harder and sharper than a target object to leave a cylindrical hole or hole in the target object by means of rotary cutting or rotary extrusion; also known as drilling machines, hole-punching machines, through-hole machines, etc.; the expected effect is achieved by drilling the precise parts, and the drilling machines comprise a semi-automatic drilling machine and a full-automatic drilling machine, so that the cost of human resources is increased; most enterprises consider full-automatic drilling machines as a development direction; with the development of the times and the improvement of the drilling technology of the automatic drilling machine, the full-automatic drilling machine has obvious advantages in drilling various hardware molds, watchbands and jewelry;
the existing drilling machines can only carry out drilling operation in a certain direction mostly, when inclined drilling is needed, the angle of construction is difficult to adjust, the construction difficulty is increased, the horizontal of the whole drilling machine needs to be adjusted, the fixing effect is poor, and the potential safety hazard exists, so that the drilling machine with multi-angle adjustment is needed.
Disclosure of Invention
The present invention is directed to a drilling machine with multi-angle adjustment to solve the above problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drilling machine with multi-angle is adjusted, includes drilling base, slider and support frame, the slide has been seted up to the upper surface of drilling base, the inside swing joint of slide has the slider, the last fixed surface of slider is connected with the support frame, the inside swing joint of support frame has the rotary disk, the inside fixedly connected with drilling motor of rotary disk, the output swing joint of drilling motor has the drilling head.
Preferably, the inside fixedly connected with rotation axis of slider, the quantity of rotation axis is two, two the rotation axis uses the slider to set up as central symmetry, the equal swing joint of surface of rotation axis has the supporting wheel, the supporting wheel of telling and slide looks adaptation, the swivelling chute has all been seted up to the both sides of slider, the equal fixedly connected with supporting shoe in both sides of swivelling chute, the inside fixedly connected with back shaft of supporting shoe, the surface swing joint of back shaft has the reinforcement piece, one side fixedly connected with poker rod of reinforcement piece.
Preferably, the last fixed surface of drilling base is connected with rotating base, one side swing joint of rotating base has the connecting rod, the spout has been seted up at the middle part of connecting rod, the elevator has been cup jointed to the inside of spout, the top swing joint of connecting rod has the pneumatic cylinder, one side swing joint of pneumatic cylinder has the telescopic link, the quantity of rotating base, connecting rod and elevator is two, the inside swing joint of two elevators has drilling motor, elevator and support frame swing joint.
Preferably, the fixed slot has been seted up to the inside upper surface of slide, fixed slot and supporting wheel looks adaptation, the inside highly being higher than the supporting wheel of slide, the inside swing joint of drilling base has the fixed screw, the quantity of fixed screw is four, the equal fixedly connected with inflation head of lower extreme of four fixed screws, the top swing joint of inflation head has the fixed lantern ring, the cut apart groove has been seted up to the surface of the fixed lantern ring, the thread groove has been seted up to the upper end of fixed screw, the surface meshing of thread groove is connected with the nut.
Preferably, the output fixedly connected with transmission shaft of drilling motor, the inside swing joint of transmission shaft has the drilling head, one side meshing of transmission shaft is connected with the connecting screw, the drilling head passes through connecting screw and transmission shaft swing joint.
Preferably, the outer surface of the drilling head is fixedly connected with an excavating plate, and one end of the drilling head is provided with a groove.
Preferably, the construction hole has been seted up at the middle part of drilling base, construction hole and drilling head looks adaptation, the last fixed surface in construction hole is connected with the bellows, the upper end fixedly connected with cleaning brush of bellows, the equal fixedly connected with handle in both ends of drilling base, the outer fixed surface of handle is connected with the protective sheath, the protective sheath is the rubber material.
Preferably, a drilling head cooling device is arranged on the drilling base and comprises a transmission device, an execution device and a device body;
the cooling device is characterized in that a cooling device driving motor and a motor frame are arranged on the outer wall of the device body, the cooling device driving motor is fixed on the motor frame, an output shaft of the cooling device driving motor is connected with a transmission device, a first rack sliding groove is further formed in the bottom of the device body, a telescopic rod and a second rack sliding rail are arranged on the right side wall of the device body, the telescopic rod penetrates through the right side wall of the device body, a transmission shaft is rotatably connected to the rear side face of the device body, and an extension plate is arranged on the outer wall of the right side face of;
the transmission device comprises a first bevel gear, a second bevel gear, an output shaft, an eccentric wheel, a transmission piston rod, a transmission piston body, a spring, a first rack, a transmission gear and a second rack, wherein the first bevel gear is in key connection with the output shaft of the cooling device driving motor, the first bevel gear is meshed with the second bevel gear, the second bevel gear is installed on the output shaft, the other end of the output shaft is rotatably connected with the inner wall of the bottom of the device body through a bearing, the eccentric wheel is further arranged on the output shaft and in key connection with the output shaft, the transmission piston body is further arranged at the bottom of the device body, the transmission piston rod is connected in the transmission piston body in a sliding manner, the spring is arranged at the rod end of the transmission piston rod, and the other end of the spring is connected with the, the eccentric wheel (3203) is used for pushing the transmission piston rod (3204), the first rack sliding groove is connected with the first rack in a sliding manner, the transmission shaft is connected with the transmission gear key, the second rack is arranged in the second rack sliding rail, and the transmission gear is positioned between the first rack and the second rack and is respectively meshed with the first rack and the second rack;
the actuating device comprises an actuating piston assembly, a connecting block, a first connecting rod, a second connecting rod, two hinge blocks, two connecting plates and two water outlet semi-rings, and the actuating piston assembly comprises: the piston cylinder is fixedly connected to one side of the device body; the water outlet semi-ring comprises a piston cylinder, a first piston rod, a second piston rod and a connecting block, wherein the piston cylinder is connected with the piston cylinder in a sliding mode, one end of the first piston rod is fixedly connected with the second rack, the other end of the first piston rod is fixedly connected with the connecting block, the connecting block is connected with the first connecting rod and the second connecting rod in a hinged mode, the first connecting rod and the second connecting rod are symmetrically arranged, the other ends of the first connecting rod and the second connecting rod are respectively connected with the two hinge blocks in a hinged mode, the other ends of the two hinge blocks are connected with the extending plate in a hinged mode, the outer side walls of the two hinge blocks are respectively connected with the two water outlet semi-rings through the two connecting plates, a water inlet is formed in the upper surface of the water outlet semi-ring.
Preferably, the method further comprises the following steps:
the pressure sensor is arranged at the bottom of the drilling head and used for detecting extrusion force between the drilling head and a hole to be drilled;
the rotating speed sensor is arranged on the drilling head and used for detecting the rotating speed of the drilling head;
the angle sensor is arranged on the drilling head and used for detecting an included angle between the drilling head and the direction perpendicular to the drilling surface;
the controller, the alarm, the controller with pressure sensor speed sensor angle sensor with the alarm electricity is connected, the controller is based on pressure sensor speed sensor with angle sensor control the alarm is reported to the police, including following step:
the method comprises the following steps: calculating the actual tensile stress borne by the drilling head during working based on the pressure sensor, the rotating speed sensor and a formula (1):
wherein, deltaαIs the actual tensile stress, epsilon, to which the drilling head is subjected during operation0The correction coefficient of the tensile stress borne by the drilling head during working is H, the depth of a hole to be drilled, L, the length of the drilling head, G, the gravity borne by the drilling head, NαThe extrusion force between the drilling head and the hole to be drilled, namely the detection value of the pressure sensor, is pi which is the circumferential rate and takes a value of 3.14, R1Is the radius of the excavating plate, R2Is the radius of the drill bit, mu0The feeding speed is preset for the drilling head, omega is the rotating speed of the drilling head, namely the detection value of the rotating speed sensor, and lg is a natural logarithm taking 10 as a base;
step two: calculating the actual bending stress borne by the drilling head during working based on an angle sensor, the step one and a formula (2):
wherein, deltaβIs the actual bending stress, epsilon, to which the drilling head is subjected during operation1Is the bending stress correction coefficient suffered by the drilling head during working,
the elastic modulus of the drill bit is shown, tau is a preset dog-leg degree of the drill bit, T is a preset section inertia moment of the drill bit, theta is a detection value of the angle sensor, sin is sine, and tan is tangent;
step three: calculating the actual comprehensive stress borne by the drill bit based on the step one, the step two and the formula (3):
wherein δ is the bore holeActual combined stress, delta, to which the head is subjectedαIs the actual tensile stress, δ, to which the drill bit is subjected during operationβSin is the actual bending stress borne by the drilling head during working, and cos is the cosine;
and the controller compares the actual comprehensive stress borne by the drilling head with the preset comprehensive stress borne by the hole head, and if the actual comprehensive stress borne by the hole head is greater than the preset comprehensive stress borne by the hole head, the alarm gives an alarm.
Compared with the prior art, the invention has the beneficial effects that:
1. the drilling machine has the advantages that the relative positions of the drilling motor and the drilling base can be moved through the arrangement of the rotating base and the connecting rod, the direction of the drilling motor can be always aligned to the drilling through the arrangement of the connecting rod, the position of the drilling motor can be fixed through the reinforcing block after the angle of the drilling motor is adjusted, the effect of adjusting the drilling angle is achieved, the drilling angle can be changed without adjusting the level of the whole drilling machine, the potential safety hazard is small, and the construction is convenient.
2. According to the drilling motor, the supporting wheel can be connected with the supporting frame through the sliding block, the position of the supporting frame can be conveniently moved, friction force is reduced, after the supporting frame is moved to a proper position, the poke rod is rotated to drive the reinforcing block to rotate, the sliding block can be jacked up after the reinforcing block rotates, the supporting wheel is fixed with the fixing groove through the jacked sliding block, sliding of the sliding block can be avoided, stability of the drilling motor is improved, operation is convenient, and practicability is high.
3. According to the invention, the middle part of the connecting rod is provided with the chute, the lifting block is sleeved in the chute, the lifting block is convenient to move in the drilling process, the drilling motor and the drilling head can be moved downwards through the hydraulic cylinder, the hole is convenient to open, and the practicability is increased.
4. According to the invention, through the arrangement of the corrugated pipe, the corrugated pipe can be bent, the drill hole is sleeved in the corrugated pipe, so that the construction is convenient, excavated soil sundries and the like are guided, through the arrangement of the cleaning brush, the excavated soil can be brushed down, so that the soil falls into the drilling platform through the corrugated pipe 30, the soil is prevented from falling into the drill hole again, the repeated construction is reduced, through the arrangement of the handle, the drilling platform is convenient to carry, and the practicability is increased.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side perspective view of the chute of the present invention;
FIG. 3 is a schematic top view of the drilling base of the present invention;
FIG. 4 is a schematic view of a drill head structure according to the present invention;
FIG. 5 is a schematic view of the location of the temperature reduction device of the drill bit;
FIG. 6 is a schematic view of the drill head heat sink mechanism;
fig. 7 is a schematic structural diagram of the execution device.
In the figure: 1. drilling a base; 2. a slideway; 3. a slider; 4. a support frame; 5. rotating the disc; 6. a drilling motor; 7. drilling a hole head; 8. a rotating shaft; 9. a support wheel; 10. a rotating tank; 11. a support block; 12. a support shaft; 13. a reinforcing block; 14. a poke rod; 15. rotating the base; 16. a connecting rod; 17. a chute; 18. a lifting block; 19. a hydraulic cylinder; 20. fixing screws; 21. an expansion head; 22. a fixed collar; 23. excavating a plate; 24. dividing the groove; 25. a nut; 26. a drive shaft; 27. a groove; 28. fixing grooves; 29. constructing holes; 30. a bellows; 31. a handle; 32. a drill bit cooling device; 320. a transmission device; 3200. a first bevel gear; 3201. a second bevel gear; 3202. an output shaft; 3203. an eccentric wheel; 3204. a drive piston rod; 3205. a drive piston body; 3206. a spring; 3207. a first rack; 3208. a transmission gear; 3209. a second rack; 3220. the cooling device drives the motor; 3221. a motor frame; 321. an execution device; 3210. an actuator piston assembly; 32101. a piston cylinder; 32102. a first piston rod; 3211. connecting blocks; 3212. a first link; 3213. a second link; 3214. two hinge blocks; 3215. two connecting plates; 3216. a water outlet semi-ring; 3217. a water inlet; 3218. a water outlet hole; 322. a device body; 323. a first rack runner; 324. a telescopic rod; 325. a second rack slide rail; 326. a drive shaft; 327. an extension plate.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, in embodiment 1 of the present invention, a drilling machine with multi-angle adjustment includes a drilling base 1, a sliding block 3 and a supporting frame 4, the upper surface of the drilling base 1 is provided with the slide way 2, the slide way 2 has the effect of conveniently moving the support frame 4, the angle of the drilling motor 6 can be adjusted, drilling is convenient, the slide rail 2 is movably connected with a slide block 3 inside, the slide block 3 has the effect of connecting a support frame 4, the support frame 4 is convenient to move to adjust the drilling angle, the upper surface of the sliding block 3 is fixedly connected with a supporting frame 4, the inside of the supporting frame 4 is movably connected with a rotating disc 5, the inside of the rotating disc 5 is fixedly connected with a drilling motor 6, through the setting of rotary disk 5 and drilling motor 6 fixed connection, make things convenient for the angle of rotatory drilling motor 6, realize the angle modulation of drilling, the output swing joint of drilling motor 6 has drilling head 7.
In embodiment 2 of the invention, a drilling machine with multi-angle adjustment comprises a drilling base 1, a slide block 3 and a support frame 4, wherein the upper surface of the drilling base 1 is provided with a slide way 2, the slide block 3 is movably connected inside the slide way 2, the support frame 4 is fixedly connected to the upper surface of the slide block 3, the rotating disc 5 is movably connected inside the support frame 4, a drilling motor 6 is fixedly connected inside the rotating disc 5, and the output end of the drilling motor 6 is movably connected with a drilling head 7;
among them, the difference from example 1 is: the inner part of the sliding block 3 is fixedly connected with two rotating shafts 8, the two rotating shafts 8 are symmetrically arranged by taking the sliding block 3 as a center, the outer surface of each rotating shaft 8 is movably connected with a supporting wheel 9, the supporting wheels 9 are matched with the sliding ways 2, two sides of the sliding block 3 are respectively provided with a rotating groove 10, two sides of each rotating groove 10 are respectively fixedly connected with a supporting block 11, the inner part of each supporting block 11 is fixedly connected with a supporting shaft 12, the outer surface of each supporting shaft 12 is movably connected with a reinforcing block 13, one side of each reinforcing block 13 is fixedly connected with a poking rod 14, the supporting wheels 9 can be connected with the supporting frame 4 through the arrangement of the sliding block 3, the position of the supporting frame 4 is conveniently moved, the friction force is reduced, after the supporting frame 4 is moved to the proper position, the poking rod 14 is rotated to drive the blocks 13, after the reinforcing block 13 rotates, the sliding block 3 can be jacked up, and the jacked sliding block 3 enables the supporting wheel 9 to be fixed with the fixed groove 28, so that the sliding block 3 can be prevented from sliding, the stability of the drilling motor 6 is improved, the operation is convenient, and the practicability is high; the drilling machine is characterized in that a rotary base 15 is fixedly connected to the upper surface of the drilling base 1, a connecting rod 16 is movably connected to one side of the rotary base 15, a sliding groove 17 is formed in the middle of the connecting rod 16, the sliding groove 17 is formed in the middle of the connecting rod 16, a lifting block 18 is sleeved inside the sliding groove 17, the lifting block 18 is convenient to move in the drilling process, the drilling motor 6 and the drilling head 7 can move downwards through a hydraulic cylinder 19, holes are convenient to open, practicability is improved, the lifting block 18 is sleeved inside the sliding groove 17, a hydraulic cylinder 19 is movably connected to the top of the connecting rod 16, a telescopic rod is movably connected to one side of the hydraulic cylinder 19, the number of the rotary base 15, the number of the connecting rod 16 and the number of the lifting block 18 are two, the drilling motor 6 is movably connected to the inside of the two lifting blocks 18, the relative positions of the drilling motor 6 and the drilling base 1 can be moved through the arrangement of the rotary base 15 and the connecting rod 16, the direction of the drilling motor 6 can be always aligned to drilling through the arrangement of the connecting rod 16, after the angle of the drilling motor 6 is adjusted, the position of the drilling motor 6 can be fixed through the reinforcing block 13, the effect of adjusting the drilling angle is achieved, the drilling angle can be changed without adjusting the level of the whole drilling machine, the potential safety hazard is small, and the construction is convenient; the upper surface of the inside of the slide way 2 is provided with a fixing groove 28, the fixing groove 28 is matched with the supporting wheel 9, the height of the inside of the slide way is higher than that of the supporting wheel 9, the inside of the drilling base 1 is movably connected with four fixing screws 20, the lower ends of the four fixing screws 20 are fixedly connected with expansion heads 21, a fixing sleeve ring 22 is movably connected above the expansion heads 21, the outer surface of the fixing sleeve ring 22 is provided with a dividing groove 24, the upper end of the fixing screw 20 is provided with a thread groove, and the outer surface of the thread groove is connected with a nut 25 in a meshed mode; the output end of the drilling motor 6 is fixedly connected with a transmission shaft 26, the interior of the transmission shaft 26 is movably connected with a drilling head 7, one side of the transmission shaft 26 is connected with a connecting screw in a meshed mode, and the drilling head 7 is movably connected with the transmission shaft 26 through the connecting screw; the outer surface of the drilling head 7 is fixedly connected with an excavating plate 23, and one end of the drilling head 7 is provided with a groove 27; the construction hole 29 has been seted up at the middle part of drilling base 1, construction hole 29 and drilling head 7 looks adaptation, the last fixed surface of construction hole 29 is connected with bellows 30, the upper end fixedly connected with cleaning brush of bellows 30, the equal fixedly connected with handle 31 in both ends of drilling base 1, the outer fixed surface of handle 31 is connected with the protective sheath, the protective sheath is the rubber material, through the setting of bellows 30, can buckle bellows 30, embolias the drilling head 7 in bellows 30, and convenient construction guides the earth debris of excavating, through the setting of cleaning brush, can brush the earth of excavating down for earth falls into drilling base 1 through bellows 30, avoids falling into drilling once more, reduces repeated construction, through the setting of handle 31, conveniently carries drilling base 1, increases the practicality.
The working principle is as follows: the drilling platform is placed at a drilling position, the fixing screw 20 is placed in soil, the nut 25 is rotated, the fixing screw 20 moves upwards, the expansion head 21 can be expanded outwards through the arrangement of the expansion head 21, the expansion of the expansion head 21 can be guided through the arrangement of the dividing groove 24, the expansion head 21 after expansion can increase friction force, the drilling platform is stabilized, drilling on the ground is facilitated, deviation is reduced, the relative positions of the drilling motor 6 and the drilling base 1 can be moved through the arrangement of the rotating base 15 and the connecting rod 16, the direction of the drilling motor 6 can be always aligned to drilling through the arrangement of the connecting rod 16, after the angle of the drilling motor 6 is adjusted, the position of the drilling motor 6 can be fixed through the reinforcing block 13, the effect of adjusting the drilling angle is achieved, the drilling angle can be changed without adjusting the level of the whole drilling machine, the potential safety hazard is little, and construction is convenient.
The using method comprises the following steps: the support frame 4 is moved, after the drilling head 7 is adjusted to a proper angle, the poke rod 14 is rotated to drive the reinforcing block 13 to rotate, the reinforcing block 13 can be jacked up after rotating, the jacked slider 3 enables the support wheel 9 to be fixed with the fixed groove 28, the slider 3 can be prevented from sliding, the stability of the drilling motor 6 is improved, the operation is convenient, the practicability is high, then the hydraulic cylinder 19 pushes the drilling motor 6 to move downwards, the drilling head 7 rotates to drill, the corrugated pipe 30 can be bent through the arrangement of the corrugated pipe 30, the drilling head 7 is sleeved into the corrugated pipe 30, the construction is convenient, excavated soil sundries and the like are guided, the excavated soil can be brushed down through the arrangement of the cleaning brush, the excavated soil can fall into the drilling base 1 through the corrugated pipe 30 to be prevented from falling into the drilling hole again, the repeated construction is reduced, and the arrangement is realized through the arrangement of the handle 31, the drilling base 1 is convenient to carry, and practicability is improved.
In one embodiment, a drilling head cooling device 32 is arranged on the drilling base 1, and the drilling head cooling device 32 includes a transmission device 320, an execution device 321, and a device body 322;
a cooling device driving motor 3220 and a motor frame 3221 are arranged on the outer wall of the device body 322, the cooling device driving motor 3220 is fixed on the motor frame 3221, an output shaft of the cooling device driving motor 3220 is connected with a transmission device 320, a first rack sliding groove 323 is further arranged at the bottom of the device body 322, an expansion rod 324 and a second rack sliding rail 325 are arranged on the right side wall of the device body 322, the expansion rod 324 penetrates through the right side wall of the device body 322, a transmission shaft 326 is rotatably connected to the rear side surface of the device body 322, and an extension plate 327 is arranged on the outer wall of the right side surface of the device body 322;
the transmission device 320 comprises a first bevel gear 3200, a second bevel gear 3201, an output shaft 3202, an eccentric wheel 3203, a transmission piston rod 3204, a transmission piston body 3205, a spring 3206, a first rack 3207, a transmission gear 3208 and a second rack 3209, the first bevel gear 3200 is in key connection with the output shaft of the cooling device driving motor 3220, the first bevel gear 3200 is meshed with the second bevel gear 3201, the second bevel gear 3201 is mounted on the output shaft 3202, the other end of the output shaft 3202 is rotatably connected with the inner wall of the bottom of the device body 322 through a bearing, the eccentric wheel 3203 is further arranged on the output shaft 3202, the eccentric wheel 3203 is in key connection with the output shaft 3202, the transmission piston body 3205 is further arranged at the bottom of the device body 322, the transmission piston rod 3204 is slidably connected with the transmission piston body 3205, the spring 3206 is arranged at the rod end of the transmission piston rod 3204, the other end of the spring 3206 is connected with the inner wall of the transmission piston body 3205, the eccentric wheel 3203 is used for pushing the transmission piston rod 3204, the first rack runner 323 is connected with the first rack 3207 in a sliding manner, the transmission shaft 326 is connected with the transmission gear 3208 in a key manner, the second rack 3209 is arranged in the second rack sliding rail 325, and the transmission gear 3208 is located between the first rack 3207 and the second rack 3209 and is respectively meshed with the first rack 3207 and the second rack 3209;
the actuating device 321 includes an actuating piston assembly 3210, a connecting block 3211, a first connecting rod 3212, a second connecting rod 3213, two hinge blocks 3214, two connecting plates 3215, and two water outlet semi-rings 3216, and the actuating piston assembly 3210 includes: a piston cylinder 32101 fixedly connected to one side of the device body 322; a first piston rod 32102 slidably connected to the piston cylinder 32101, wherein one end of the first piston rod 32101 is fixedly connected to the second rack 3209, the other end of the first piston rod 32102 is fixedly connected to the connecting block 3211, the connecting block 3211 is hinge-connected to the first link 3212 and the second link 3213, the first link 3212 and the second link 3213 are symmetrically arranged, the other ends of the first link 3212 and the second link 3213 are respectively hinged with the two hinge blocks 3214, the other ends of the two hinge blocks 3214 are hinged to the extension plate 327, the outer sidewalls of the two hinge blocks 3214 are connected to the two outlet semi-rings 3216 through the two connecting plates 3215, the upper surface of the water outlet semi-ring 3216 is provided with a water inlet 3217, a plurality of water outlet holes 3218 are formed in the inner side of the water outlet semi-ring 3216, and a water outlet pump is arranged in the water outlet semi-ring 3216.
The working principle and the beneficial effects of the embodiment are as follows: after the temperature of the drill bit 7 is reduced, the temperature reducing device driving motor 3220 drives the first bevel gear 3200 to rotate, the first bevel gear 3200 drives the second bevel gear 3201 to rotate, the second bevel gear 3201 rotates to drive the output shaft 3202 to rotate, the output shaft 3202 rotates to drive the eccentric wheel 3203 to rotate, the eccentric wheel 3203 rotates for a certain angle and collides with the transmission piston rod 3204, so that the transmission piston rod 3204 moves rightwards, the driving piston rod 3204 moves rightward touching the first rack 3207, so that the first rack 3207 moves rightward along the first rack link 323, the first rack sliding groove 323 moves rightwards, so that the transmission gear 3208 is driven to rotate anticlockwise, the transmission gear 3208 rotates counterclockwise to drive the second rack 3209 to move leftward, so that the actuating device 321 moves leftward and away from the drilling head 7;
when the temperature of the drilling head 7 needs to be reduced, the extension rod 324 is extended, so that the first rack 3207 moves leftwards, the first rack 3207 moves leftwards to drive the transmission gear 3208 to rotate clockwise, the clockwise rotation of the transmission gear 3208 drives the second rack 3209 to move to the right, the second rack 3209 moving to the right brings the actuator 321 close to the drill bit 7, and the two water outlet semi-rings 3216 are close to each other to hold the drilling head 7, the water inlet 3217 is used for connecting an external water source, and the water outlet pump is started, the water outlet pump sprays water to the drilling head 7 through the water outlet holes 3218 to cool the drilling head, the design of the drill bit temperature reduction device 32 prolongs the service life of the drill bit 7, reduces the use cost, the spring 3206 is designed to allow the driving piston rod 3204 to automatically return, and the extension rod 324 is designed to allow the driving device 320 to automatically return.
In one embodiment, further comprising:
the pressure sensor is arranged at the bottom of the drilling head 7 and used for detecting the extrusion force between the drilling head 7 and the hole to be drilled;
the rotating speed sensor is arranged on the drilling head 7 and used for detecting the rotating speed of the drilling head 7;
the angle sensor is arranged on the drilling head 7 and used for detecting an included angle between the drilling head 7 and the direction perpendicular to the drilling surface;
the controller, the alarm, the controller with pressure sensor speed sensor angle sensor with the alarm electricity is connected, the controller is based on pressure sensor speed sensor with angle sensor control the alarm is reported to the police, including following step:
the method comprises the following steps: based on the pressure sensor, the rotation speed sensor and the formula (1), calculating the actual tensile stress applied to the drill bit 7 during working:
wherein, deltaαIs the actual tensile stress, epsilon, to which the drill bit 7 is subjected during operation0The tensile stress correction coefficient is applied to the drilling head 7 during working, H is the depth of the hole to be drilled, L is the length of the drilling head 7, G is the gravity applied to the drilling head 7, and N isαIs the extrusion force between the drilling head 7 and the hole to be drilled, namely the detection value of the pressure sensor, pi is the circumferential rate, the value is 3.14, R1Is the radius, R, of the excavating plate (23)2Is the radius, mu, of the drill bit 70The preset feeding speed of the drilling head 7 is shown, omega is the rotating speed of the drilling head 7, namely the detection value of the rotating speed sensor, and lg is the natural logarithm taking 10 as the base;
step two: based on the angle sensor, the step one and the formula (2), calculating the actual bending stress to which the drill bit 7 is subjected during operation:
wherein, deltaβIs the actual bending stress, epsilon, to which the drilling head 7 is subjected during operation1For the correction coefficient of the bending stress to which said drill bit 7 is subjected during operation,
τ is a preset dog-leg degree of the drill bit 7 (an angle change of an axis of a unit length of the drill bit 7 in a three-dimensional space), T is a preset sectional inertia moment of the drill bit 7, θ is a detection value of the angle sensor, sin is a sine, and tan is a tangent;
step three: calculating the actual comprehensive stress borne by the drill bit 7 based on the step one, the step two and the formula (3):
wherein δ is the actual combined stress to which the drill bit 7 is subjected, δαIs the actual tensile stress, δ, to which the drill bit 7 is subjected during operationβSin is the actual bending stress on the drill bit 7 during working, and cos is the cosine;
the controller compares the actual comprehensive stress borne by the drilling head 7 with the preset comprehensive stress borne by the drilling head 7, and if the actual comprehensive stress borne by the drilling head 7 is greater than the preset comprehensive stress borne by the drilling head 7, the alarm gives an alarm.
The working principle and the beneficial effects of the embodiment are as follows: firstly, calculating the actual tensile stress borne by the drilling head 7 during working based on the pressure sensor, the rotation speed sensor and a formula (1), then calculating the actual bending stress borne by the drilling head 7 during working based on an angle sensor, a step I and a formula (2), and finally calculating the actual comprehensive stress borne by the drilling head 7 based on the step I, the step II and the formula (3), wherein the controller compares the actual comprehensive stress borne by the drilling head 7 with the preset comprehensive stress borne by the drilling head 7, if the actual comprehensive stress borne by the drilling head 7 is greater than the preset comprehensive stress borne by the drilling head 7, the alarm gives an alarm to monitor the actual comprehensive stress borne by the drilling head 7, thereby being beneficial to prolonging the service life of the drilling head 7 and avoiding the influence on the working efficiency due to the fault of the drilling head 7, meanwhile, the quality of the processed hole is improved, G is introduced when the actual tensile stress borne by the drilling head 7 during working is calculated, the influence of the self weight of the drilling head 7 on the calculation result is not ignored, the calculation result is more accurate, theta is introduced when the actual bending stress borne by the drilling head 7 during working is calculated, the influence of the angle on the calculation result is eliminated, and epsilon1The influence of the random detection result on the calculation result is eliminated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a drilling machine with multi-angle is adjusted, includes drilling base (1), slider (3) and support frame (4), its characterized in that: slide (2) have been seted up to the upper surface of drilling base (1), the inside swing joint of slide (2) has slider (3), the last fixed surface of slider (3) is connected with support frame (4), the inside swing joint of support frame (4) has rotary disk (5), the inside fixedly connected with drilling motor (6) of rotary disk (5), the output swing joint of drilling motor (6) has drill bit (7).
2. A drill rig with multi-angle adjustment according to claim 1, characterized in that: the inside fixedly connected with rotation axis (8) of slider (3), the quantity of rotation axis (8) is two, two rotation axis (8) use slider (3) to set up as central symmetry, the equal swing joint in surface of rotation axis (8) has supporting wheel (9), and supporting wheel (9) and slide (2) looks adaptation of telling, swivelling chute (10) have all been seted up to the both sides of slider (3), the equal fixedly connected with supporting shoe (11) in both sides of swivelling chute (10), the inside fixedly connected with back shaft (12) of supporting shoe (11), the surface swing joint of back shaft (12) has reinforcing block (13), one side fixedly connected with poker rod (14) of reinforcing block (13).
3. A drill rig with multi-angle adjustment according to claim 1, characterized in that: the drilling machine is characterized in that the upper surface of the drilling base (1) is fixedly connected with a rotating base (15), one side of the rotating base (15) is movably connected with a connecting rod (16), a sliding groove (17) is formed in the middle of the connecting rod (16), an elevating block (18) is sleeved inside the sliding groove (17), a hydraulic cylinder (19) is movably connected to the top of the connecting rod (16), a telescopic rod is movably connected to one side of the hydraulic cylinder (19), the rotating base (15), the connecting rod (16) and the elevating block (18) are two in number, a drilling motor (6) is movably connected to the two elevating blocks (18), and the elevating block (18) is movably connected with a support frame (4).
4. A drill rig with multi-angle adjustment according to claim 1, characterized in that: fixed slot (28) have been seted up to the inside upper surface of slide (2), fixed slot (28) and supporting wheel (9) looks adaptation, the inside highly is higher than supporting wheel (9) of slide, the inside swing joint of drilling base (1) has set screw (20), the quantity of set screw (20) is four, the equal fixedly connected with inflation head (21) of lower extreme of four set screw (20), the top swing joint of inflation head (21) has the fixed lantern ring (22), cut apart groove (24) have been seted up to the surface of the fixed lantern ring (22), the thread groove has been seted up to the upper end of set screw (20), the surface mesh of thread groove is connected with nut (25).
5. A drill rig with multi-angle adjustment according to claim 1, characterized in that: the output fixedly connected with transmission shaft (26) of drilling motor (6), the inside swing joint of transmission shaft (26) has drilling head (7), one side meshing of transmission shaft (26) is connected with the connecting screw, drilling head (7) are through connecting screw and transmission shaft (26) swing joint.
6. A drill rig with multi-angle adjustment according to claim 1, characterized in that: the outer surface of the drilling head (7) is fixedly connected with an excavating plate (23), and one end of the drilling head (7) is provided with a groove (27).
7. A drill rig with multi-angle adjustment according to claim 1, characterized in that: construction hole (29) have been seted up at the middle part of drilling base (1), construction hole (29) and drilling head (7) looks adaptation, last fixed surface is connected with bellows (30) in construction hole (29), upper end fixedly connected with bellows (30) of bellows (30), the equal fixedly connected with handle (31) in both ends of drilling base, the outer fixed surface of handle (31) is connected with the protective sheath, the protective sheath is the rubber material.
8. A drill rig with multi-angle adjustment according to claim 1, characterized in that: a drilling head cooling device (32) is arranged on the drilling base (1), and the drilling head cooling device (32) comprises a transmission device (320), an execution device (321) and a device body (322);
the cooling device driving motor (3220) and the motor rack (3221) are arranged on the outer wall of the device body (322), the cooling device driving motor (3220) is fixed on the motor rack (3221), an output shaft of the cooling device driving motor (3220) is connected with the transmission device (320), the bottom of the device body (322) is further provided with a first rack sliding groove (323), the right side wall of the device body (322) is provided with a telescopic rod (324) and a second rack sliding rail (325), the telescopic rod (324) penetrates through the right side wall of the device body (322), the rear side surface of the device body (322) is rotatably connected with a transmission shaft (326), and the outer wall of the right side surface of the device body (322) is provided with an extension plate (327);
the transmission device (320) comprises a first bevel gear (3200), a second bevel gear (3201), an output shaft (3202), an eccentric wheel (3203), a transmission piston rod (3204), a transmission piston body (3205), a spring (3206), a first rack (3207), a transmission gear (3208) and a second rack (3209), the first bevel gear (3200) is in key connection with the output shaft of the cooling device driving motor (3220), the first bevel gear (3200) is meshed with the second bevel gear (3201), the second bevel gear (3201) is installed on the output shaft (3202), the other end of the output shaft (3202) is in rotary connection with the inner wall of the bottom of the device body (322) through a bearing, the eccentric wheel (3203) is further arranged on the output shaft (3202), the eccentric wheel (3203) is in key connection with the output shaft (3202), and the transmission piston body (3205) is further arranged at the bottom of the device body (322), the transmission piston body (3205) is connected with the transmission piston rod (3204) in a sliding manner, the rod end of the transmission piston rod (3204) is provided with the spring (3206), the other end of the spring (3206) is connected with the inner wall of the transmission piston body (3205), the eccentric wheel (3203) is used for pushing the transmission piston rod (3204), the first rack sliding groove (323) is connected with the first rack (3207) in a sliding manner, the transmission shaft (326) is connected with the transmission gear (3208) in a key manner, the second rack (3209) is arranged in the second rack sliding rail (325), and the transmission gear (3208) is positioned between the first rack (3207) and the second rack (3209) and is respectively meshed with the first rack (3207) and the second rack (3209);
the actuating device (321) comprises an actuating piston assembly (3210), a connecting block (3211), a first connecting rod (3212), a second connecting rod (3213), two hinge blocks (3214), two connecting plates (3215) and two water outlet semi-rings (3216), and the actuating piston assembly (3210) comprises: the piston cylinder (32101) is fixedly connected to one side of the device body (322); a first piston rod (32102) slidably connected in the piston cylinder (32101), one end of the first piston rod (32101) is fixedly connected to the second rack (3209), the other end of the first piston rod (32102) is fixedly connected to the connecting block (3211), the connecting block (3211) is hinged to the first connecting rod (3212) and the second connecting rod (3213), the first connecting rod (3212) and the second connecting rod (3213) are symmetrically arranged, the other ends of the first connecting rod (3212) and the second connecting rod (3213) are respectively hinged to the two hinge blocks (3214), the other ends of the two hinge blocks (3214) are hinged to the extending plate (327), the outer sidewalls of the two hinge blocks (3214) are respectively connected to the two water outlet semi-rings (3216) through the two connecting plates (3215), and a water inlet 3217 is disposed on the upper surface of the water outlet semi-ring (3216), a plurality of water outlet holes (3218) are formed in the inner side of the water outlet semi-ring (3216), and a water outlet pump is arranged in the water outlet semi-ring (3216).
9. A drilling machine with multi-angle adjustment according to claim 6, characterized in that: further comprising:
the pressure sensor is arranged at the bottom of the drilling head (7) and used for detecting the extrusion force between the drilling head (7) and the hole to be drilled;
the rotating speed sensor is arranged on the drilling head (7) and used for detecting the rotating speed of the drilling head (7);
the angle sensor is arranged on the drilling head (7) and used for detecting an included angle between the drilling head (7) and the direction perpendicular to the drilling surface;
the controller, the alarm, the controller with pressure sensor speed sensor angle sensor with the alarm electricity is connected, the controller is based on pressure sensor speed sensor with angle sensor control the alarm is reported to the police, including following step:
the method comprises the following steps: calculating the actual tensile stress borne by the drilling head (7) during working based on the pressure sensor, the rotation speed sensor and a formula (1):
wherein, deltaαIs the actual tensile stress, epsilon, to which the drilling head (7) is subjected during operation0Is the tensile stress correction coefficient borne by the drilling head (7) during working, H is the depth of a hole to be drilled, L is the length of the drilling head (7), G is the gravity borne by the drilling head (7), and N isαIs extrusion force between the drilling head (7) and the hole to be drilled, namely the detection value of the pressure sensor, pi is the circumferential rate, the value is 3.14, R1Is the radius, R, of the excavating plate (23)2Is the radius of the drill bit (7), mu0The feed speed is preset for the drilling head (7), omega is the rotating speed of the drilling head (7), namely the detection value of the rotating speed sensor, and lg is the natural logarithm taking 10 as the base;
step two: calculating the actual bending stress to which the drilling head (7) is subjected during operation based on an angle sensor, the step one and the formula (2):
wherein, deltaβIs the actual bending stress, epsilon, to which the drilling head (7) is subjected during operation1Is a bending stress correction coefficient borne by the drilling head (7) during working,
is the elastic modulus of the drill bit (7), tau is the preset dog-leg degree of the drill bit (7), T is the preset section inertia moment of the drill bit (7), theta is the detection value of the angle sensor, sin is sine, and tan is tangent;
step three: calculating the actual comprehensive stress borne by the drill bit (7) based on the step one, the step two and the formula (3):
wherein δ is the actual combined stress to which the drill bit (7) is subjected, δαIs the actual tensile stress, delta, to which the drilling head (7) is subjected during operationβSin is the actual bending stress borne by the drilling head (7) during working, and cos is cosine;
the controller compares the actual comprehensive stress received by the drilling head (7) with the preset comprehensive stress received by the drilling head (7), and if the actual comprehensive stress received by the drilling head (7) is greater than the preset comprehensive stress received by the drilling head (7), the alarm gives an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244022.4A CN112412329A (en) | 2020-11-10 | 2020-11-10 | Drilling machine with multi-angle is adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244022.4A CN112412329A (en) | 2020-11-10 | 2020-11-10 | Drilling machine with multi-angle is adjusted |
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| Publication Number | Publication Date |
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| CN112412329A true CN112412329A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011244022.4A Withdrawn CN112412329A (en) | 2020-11-10 | 2020-11-10 | Drilling machine with multi-angle is adjusted |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433052A (en) * | 2021-07-30 | 2021-09-24 | 东华理工大学 | Stability short-term test device of useless tailing storehouse country rock |
-
2020
- 2020-11-10 CN CN202011244022.4A patent/CN112412329A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433052A (en) * | 2021-07-30 | 2021-09-24 | 东华理工大学 | Stability short-term test device of useless tailing storehouse country rock |
| CN113433052B (en) * | 2021-07-30 | 2023-12-26 | 东华理工大学 | Quick detection device of stability of useless tailing storehouse country rock |
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