CN111005676B - Soil exploration drilling device with drill bit overload protection function - Google Patents
Soil exploration drilling device with drill bit overload protection function Download PDFInfo
- Publication number
- CN111005676B CN111005676B CN202010006518.1A CN202010006518A CN111005676B CN 111005676 B CN111005676 B CN 111005676B CN 202010006518 A CN202010006518 A CN 202010006518A CN 111005676 B CN111005676 B CN 111005676B
- Authority
- CN
- China
- Prior art keywords
- overload protection
- fixedly connected
- cavity
- face
- rod
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 239000002689 soil Substances 0.000 title claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 48
- 239000011435 rock Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 41
- 230000002146 bilateral effect Effects 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000003921 oil Substances 0.000 description 21
- 230000001939 inductive effect Effects 0.000 description 5
- 238000011835 investigation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/04—Rotary tables
-
- 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
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/021—With a rotary table, i.e. a fixed rotary drive for a relatively advancing tool
Landscapes
- 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)
- Soil Sciences (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a soil exploration drilling device with a drill bit overload protection function, which comprises a moving trolley, wherein a power device used for providing lifting and rotating motion for soil drilling is arranged on the moving trolley, a torque overload protection device is arranged on the power device, a pressure overload protection device is arranged in the torque overload protection device and used for preventing a drill bit from being damaged due to overlarge pressure of soil rocks during drilling, and a bending overload protection device used for preventing a drill rod from being bent too much is arranged on the lower side of the torque overload protection device.
Description
Technical Field
The invention relates to the technical field of drill bit overload protection, in particular to a soil exploration drilling device with a drill bit overload protection function.
Background
The soil investigation is the investigation and research work carried out on the basic conditions of the type, the property, the distribution, the forming condition and the like of soil, the soil investigation usually needs a drilling machine to carry out drilling and sampling, when the soil is dense or the viscosity is large, the resistance borne by a drill bit is large, the resistance even exceeds the rotating force provided by the rated torque of the drill bit, meanwhile, a certain amount of hard rock exists in the soil, the drill bit is easy to damage, the drill bit is bent and deformed due to the contact of the rock and the drill bit, the overload protector of the existing soil drilling machine only can realize torque overload protection, and cannot effectively protect the drill bit and the drill bit.
Disclosure of Invention
The technical problem is as follows: at present, the overload protector of the soil drilling machine can only realize torque overload protection.
In order to solve the problems, the embodiment designs a soil exploration drilling device with a drill bit overload protection function, the soil exploration drilling device with the drill bit overload protection function comprises a moving trolley, a power device used for providing lifting and rotating motion for soil drilling is arranged on the moving trolley, a torque overload protection device is arranged on the power device, the torque overload protection device comprises an overload protection box arranged on the power device, an overload protection cavity is arranged in the overload protection box, a torque overload protection cavity with an upward opening is arranged in the overload protection box, a rotating disc is rotatably connected at an opening on the upper side of the torque overload protection cavity, six cylindrical pins with hemispherical heads are distributed on the lower side end surface of the rotating disc in an annular array manner, and a lifting cylinder is slidably connected on the inner wall on the rear side of the overload protection cavity, the lifting cylinder can only move up and down along the inner wall of the overload protection cavity, a lifting cavity with an upward opening is arranged in the lifting cylinder, a lifting plate is connected in the lifting cavity in a sliding manner, a lifting rod extending upwards into the torque overload protection cavity is connected in the lifting plate in a sliding manner, a rotary table positioned in the torque overload protection cavity is fixedly connected to the end surface of the upper side of the lifting rod, six semicircular grooves are distributed on the rotary table in a circumferential array manner, the cylindrical pin can be abutted against the semicircular grooves, a threaded rod extending up and down is rotatably connected to the inner wall of the lower side of the lifting cavity, a pressure overload protection device is arranged in the torque overload protection device and used for avoiding overlarge pressure of soil rocks on a drill bit during drilling so as to damage the drill bit, and the pressure overload protection device comprises a compression spring connected between the end surface of the upper side of the lifting cylinder and the inner wall, fixedly connected with fixed block on the overload protection case right side terminal surface, the lead screw that extends about the rotation connection has on the fixed block, fixedly connected with is located on the lead screw upside terminal surface the baffle of fixed block upside, fixedly connected with slide on the fixed block downside terminal surface, overload protection case downside is equipped with and is used for avoiding the crooked too big crooked overload protection device of drilling rod, just crooked overload protection device is bilateral symmetry structure.
Preferably, the power device comprises a hydraulic pump fixedly connected to the upper end face of the movable trolley, an oil tank located on the right side of the hydraulic pump is fixedly connected to the upper end face of the movable trolley, the hydraulic pump is communicated with and connected with a connecting pipe between the oil tanks, an oil delivery pipe is communicated and connected to the upper end face of the hydraulic pump, a two-position five-way electromagnetic valve is arranged on the oil delivery pipe, two return pipes are communicated and connected between the two-position five-way electromagnetic valve and the oil tank, a fixed rod located on the upper side of the hydraulic pump is fixedly connected to the left end face of the movable trolley, a hydraulic telescopic cylinder is fixedly connected to the fixed rod, an oil inlet pipe is communicated and connected between the oil inlet of the hydraulic telescopic cylinder and the two-position five-way electromagnetic valve, an oil return pipe is communicated and connected between the oil outlet of the hydraulic telescopic cylinder and the two-position five-, the hydraulic telescopic cylinder is characterized in that a motor base located on the lower side of the hydraulic telescopic cylinder is fixedly connected to the lower side end face of the telescopic rod, a motor shaft extending downwards is rotatably connected to the lower side end face of the motor base, a motor fixedly connected to the motor base is in power connection with the motor, and the lower side end face of the motor shaft is fixedly connected to the upper side end face of the rotating disc.
Preferably, a nut located in the lifting cavity is connected to the threaded rod in a threaded manner, an auxiliary compression spring is connected between the nut and the lifting plate, a blind hole with a downward opening is formed in the lifting plate, the threaded rod can extend into the blind hole, a pin hole with a rightward opening is formed in the lifting plate, a slide hole with a rightward opening is formed in the inner wall of the right side of the lifting cavity, a left-right extending bolt is connected to the slide hole in a sliding manner, a cross rod located on the lower side of the bolt is fixedly connected to the end face of the right side of the lifting cavity, an electromagnet is fixedly connected to the end face of the right side of the cross rod, a spring is connected between the electromagnet and the bolt, a gear box is fixedly connected to the end face of the lower side of the lifting cavity and can extend out of the end face of the lower side of the overload protection cavity, fixedly connected with is located on the threaded rod bevel gear in the gear chamber, rotate on the inner wall of gear chamber right side and be connected with the pivot of controlling extension, fixedly connected with is located in the gear chamber and with the vice bevel gear that bevel gear meshing is connected in the pivot, fixedly connected with is located in the pivot the knob outside the gear chamber right side terminal surface.
Preferably, the slide left side end face is connected with an auxiliary nut located on the lower side of the fixed block in a sliding mode, the auxiliary nut is connected with the lead screw in a threaded mode, the auxiliary nut is connected with a limit switch located on the left side end face of the auxiliary nut and extends to the left in the overload protection cavity, and the limit switch can be abutted to the end face of the upper side of the lifting cylinder.
Preferably, the bending overload protection device comprises a fixed disc fixedly connected to the end surface of the lower side of the gear box, a bending detection box is arranged on the lower side of the fixed disc, a fixed cavity with an upward opening is arranged in the bending detection box, a bending detection cavity with a downward opening is arranged in the bending detection box, a baffle disc can be abutted to the end surface of the lower side of the fixed cavity, the baffle disc is fixedly connected with the fixed disc through a bolt, a fixed cylinder with an upward opening is fixedly connected to the end surface of the upper side of the bending detection box, the part of the overload protection box is arranged in the fixed cylinder, the fixed cylinder is fixedly connected with the overload protection box through a bolt, a drill rod extending downwards to the outside of the end surface of the lower side of the bending detection cavity is fixedly connected to the end surface of the lower side of the drill rod, and a drill bit positioned on the end surface of the lower side, the bending detection cavity comprises a bending detection cavity, a drill rod, a push rod, a pair of springs, a support block, a rack and a sliding pin, wherein the inner wall of the bending detection cavity is connected with two bilateral symmetry butt blocks in a sliding manner, the butt blocks are positioned on the left side and the right side of the drill rod and can be butted with the drill rod, the butt blocks are fixedly connected with the push rod on the end surface of one side away from the center of symmetry, the pair of springs are connected between the push rod and the inner wall of one side away from the center of symmetry of the bending detection cavity, the inner wall of the rear side of the bending detection cavity is connected with two rotation shafts which are symmetrical left and right and extend forwards in a rotating manner, the rotation shafts are positioned on the upper side of the push rod, a lever is fixedly connected on the rotation shafts, two sliding grooves which are symmetrical up and down and run through, the spout with sliding pin sliding connection, it is connected with two bilateral symmetries and is located to rotate on the crooked detection chamber rear side inner wall the gear shaft of rack upside, just the gear shaft extends forward, fixedly connected with on the gear shaft with the gear that rack toothing connects, fixedly connected with is located on the gear shaft the pinion of gear rear side, the diameter of pinion is greater than the diameter of gear, sliding connection has the pinion rack of two bilateral symmetries on the crooked detection chamber rear side inner wall, the pinion rack is located the pinion upside and with the pinion toothing is connected, the crooked inductance pressure sensor who detects two bilateral symmetries on the chamber upside inner wall of fixed connection, the pinion rack is close to fixedly connected with on the symmetry center side end face and extends to armature in the inductance pressure sensor.
The invention has the beneficial effects that: the torque overload protection mechanism can automatically cut off the power connection between the motor rotating shaft and the drill rod and the drill bit when the torque of the drill bit is overlarge, the locking mechanism can lock the torque overload protection mechanism, the torque overload protection mechanism is prevented from being automatically reset when the torque is reduced, so that the damage caused by frequent overload of the drill rod and the drill bit during drilling is avoided, when the drill bit meets hard rock, the pressure of the rock on the drill bit is increased to enable the pressure protection mechanism to act, the drilling machine stops downwards moving and drilling, so that the pressure overload protection is realized, the drill rod bending deformation protection mechanism can detect the bending deformation of the drill rod, so that the overlarge bending deformation of the drill rod is avoided, the torque overload protection and the pressure overload protection of the drill bit can be realized, and the overlarge bending deformation of the drill rod can be avoided.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of a soil exploration drilling device with a drill bit overload protection function according to the invention;
FIG. 2 is an enlarged view of the structure at "A" in FIG. 1;
FIG. 3 is an enlarged view of the structure at "B" of FIG. 2;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 3;
fig. 5 is an enlarged schematic view of the structure at "D" of fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1 to 5, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a soil exploration drilling device with a drill bit overload protection function, which is mainly applied to drill bit overload protection, and the invention is further explained by combining the attached drawings of the invention:
the soil exploration drilling device with the bit overload protection function comprises a moving trolley 11, wherein a power device 101 used for providing lifting and rotating motion for soil drilling is arranged on the moving trolley 11, a torque overload protection device 102 is arranged on the power device 101, the torque overload protection device 102 comprises an overload protection box 22 arranged on the power device 101, an overload protection cavity 42 is arranged in the overload protection box 22, a torque overload protection cavity 43 which is positioned at the upper side of the overload protection cavity 42 and has an upward opening is arranged in the overload protection box 22, a rotating disc 81 is rotatably connected at the upper opening of the torque overload protection cavity 43, six cylindrical pins 45 with hemispherical heads are distributed on the lower end surface of the rotating disc 81 in an annular array manner, a lifting cylinder 58 is slidably connected on the inner wall of the rear side of the overload protection cavity 42, and the lifting cylinder 58 can only move up and down along the inner wall of the overload protection cavity 42, the lifting cylinder 58 is internally provided with a lifting cavity 52 with an upward opening, the lifting cavity 52 is internally and slidably connected with a lifting plate 49, the lifting plate 49 is internally and slidably connected with a lifting rod 46 extending upwards into the torque overload protection cavity 43, the upper side end surface of the lifting rod 46 is fixedly connected with a turntable 44 positioned in the torque overload protection cavity 43, six semicircular grooves 59 are distributed on the turntable 44 in a circumferential array manner, the cylindrical pin 45 can be abutted against the semicircular grooves 59, the lower side inner wall of the lifting cavity 52 is rotatably connected with a threaded rod 70 extending up and down, the torque overload protection device 102 is internally provided with a pressure overload protection device 103, the pressure overload protection device 103 is used for avoiding that soil rocks have overlarge pressure on a drill bit 82 during drilling so as to damage the drill bit 82, the pressure overload protection device 103 comprises a compression spring 47 connected between the upper side end surface of the lifting cylinder 58 and the upper side inner wall of the overload protection cavity 42, fixedly connected with fixed block 62 on the terminal surface of overload protection case 22 right side, the lead screw 61 that extends from top to bottom is connected to rotating on the fixed block 62, fixedly connected with is located on the terminal surface of lead screw 61 upside baffle 60 of fixed block 62 upside, fixedly connected with slide 64 on the terminal surface of fixed block 62 downside, overload protection case 22 downside is equipped with and is used for avoiding the crooked too big crooked overload protection device 104 of drilling rod 18, just crooked overload protection device 104 is the bilateral symmetry structure.
Beneficially, the power device 101 includes a hydraulic pump 16 fixedly connected to the upper end surface of the mobile trolley 11, an oil tank 14 located on the right side of the hydraulic pump 16 is fixedly connected to the upper end surface of the mobile trolley 11, a connecting pipe 15 is connected between the hydraulic pump 16 and the oil tank 14 in a communicating manner, an oil delivery pipe 17 is connected to the upper end surface of the hydraulic pump 16 in a communicating manner, a two-position five-way electromagnetic valve 12 is arranged on the oil delivery pipe 17, two return pipes 13 are connected between the two-position five-way electromagnetic valve 12 and the oil tank 14 in a communicating manner, a fixing rod 28 located on the upper side of the hydraulic pump 16 is fixedly connected to the left end surface of the mobile trolley 11, a hydraulic telescopic cylinder 26 is fixedly connected to the fixing rod 28, an oil inlet of the hydraulic telescopic cylinder 26 is connected to the two-position five-way electromagnetic valve 12 in a communicating manner, an oil outlet of the, be equipped with downwardly extending in the hydraulic telescoping cylinder 26 the outer telescopic link 25 of hydraulic telescoping cylinder 26 terminal surface, fixedly connected with is located on the 25 downside terminal surface of telescopic link the motor cabinet 24 of hydraulic telescoping cylinder 26 downside, it is connected with downwardly extending's motor shaft 83 to rotate on the 24 downside terminal surface of motor cabinet, power connection has fixed connection in on the motor shaft 83 motor 23 on the motor cabinet 24, motor shaft 83 downside terminal surface with the terminal surface fixed connection on the rolling disc 81, through telescopic link 25 move down with motor 23 drives motor shaft 83 rotates, can realize moving down the rotatory drilling.
Advantageously, a nut 54 located in the lifting cavity 52 is connected to the threaded rod 70 in a threaded manner, an auxiliary compression spring 53 is connected between the nut 54 and the lifting plate 49, a blind hole 48 with a downward opening is formed in the lifting plate 49, the threaded rod 70 can extend into the blind hole 48, a pin hole 51 with a rightward opening is formed in the lifting plate 49, a slide hole 69 with a rightward opening is formed in the inner wall of the right side of the lifting cavity 52, a plug pin 67 extending left and right is connected in the slide hole 69 in a sliding manner, a cross bar 68 located on the lower side of the plug pin 67 is fixedly connected to the end face of the right side of the lifting cavity 52, an electromagnet 65 is fixedly connected to the end face of the right side of the cross bar 68, a spring 66 is connected between the electromagnet 65 and the plug pin 67, a gear box 39 is fixedly connected to the end face of the lower side of the lifting, be equipped with gear chamber 40 in the gear box 39, threaded rod 70 downwardly extending to in the gear chamber 40, fixedly connected with is located on the threaded rod 70 bevel gear 41 in the gear chamber 40, rotate on the inner wall of the right side of gear chamber 40 and be connected with the pivot 56 of extending about, fixedly connected with is located on the pivot 56 in the gear chamber 40 and with the vice bevel gear 55 that bevel gear 41 meshing is connected, fixedly connected with is located on the pivot 56 knob 57 outside the right side terminal surface of gear chamber 40, through vice compression spring 53 degree lifter plate 49 exerts pressure and makes cylindric lock 45 with semicircular groove 59 butt, when the moment of torsion was too big, cylindric lock 45 break away from with thereby realize moment of torsion overload protection of the butt of semicircular groove 59.
Advantageously, a secondary nut 63 located on the lower side of the fixed block 62 is slidably connected to the left end surface of the slideway 64, the secondary nut 63 is in threaded connection with the lead screw 61, a limit switch 50 extending leftwards into the overload protection cavity 42 is fixedly connected to the left end surface of the secondary nut 63, the limit switch 50 can be abutted against the upper end surface of the lifting cylinder 58, the limit switch 50 is triggered by the upward movement of the lifting cylinder 58, the oil supply of the hydraulic pump 16 is stopped, and the downward movement of the telescopic rod 25 is stopped, so that the pressure overload protection is realized.
Beneficially, the bending overload protection device 104 includes a fixed disk 21 fixedly connected to the end surface of the lower side of the gear box 39, the lower side of the fixed disk 21 is provided with a bending detection box 19, the bending detection box 19 is provided with a fixed cavity 36 with an upward opening, the bending detection box 19 is provided with a bending detection cavity 30 with a downward opening and located at the lower side of the fixed cavity 36, the end surface of the lower side of the fixed cavity 36 can be abutted with a baffle disk 20, the baffle disk 20 and the fixed disk 21 are fixedly connected through a bolt 37, the end surface of the upper side of the bending detection box 19 is fixedly connected with a fixed cylinder 38 with an upward opening, the overload protection box 22 is partially located in the fixed cylinder 38, the fixed cylinder 38 and the overload protection box 22 are fixedly connected through the bolt 37, the fixed connection on the end surface of the lower side of the baffle disk 20 is provided with a drill rod 18 extending downwards to the outer, fixedly connected with is located on the terminal surface of drilling rod 18 downside drill bit 82 of crooked detection case 19 downside, sliding connection has two bilateral symmetry's butt piece 71 on the crooked detection chamber 30 rear side inner wall, butt piece 71 is located drilling rod 18 left and right sides and can with drilling rod 18 butt, butt piece 71 keeps away from fixedly connected with push rod 31 on the terminal surface of symmetry center one side, push rod 31 with crooked detection chamber 30 keeps away from being connected with vice spring 75 between the inner wall of symmetry center one side, it has two bilateral symmetry and the axis of rotation 74 that extends forward to rotate on the crooked detection chamber 30 rear side inner wall to be connected with, axis of rotation 74 is located push rod 31 upside, fixedly connected with lever 32 on the axis of rotation 74, be equipped with two upper and lower symmetries and spout 72 that link up from beginning to end in the lever 32, crooked detection chamber 30 keeps away from fixedly connected with on the inner wall of symmetry center one side to be located the slip table 33 of push rod 31, sliding connection has rack 34 on the terminal surface of slip table 33 upside, rack 34 with fixedly connected with sliding pin 73 on the push rod 31 front side terminal surface, spout 72 with sliding pin 73 sliding connection, it has two left right symmetries and is located to rotate on the crooked detection chamber 30 rear side inner wall gear shaft 76 of rack 34 upside, just gear shaft 76 extends forward, fixedly connected with on the gear shaft 76 with gear 77 that rack 34 meshing is connected, fixedly connected with is located on the gear shaft 76 the pinion 78 of gear 77 rear side, the diameter of pinion 78 is greater than the diameter of gear 77, sliding connection has two vice rack 79 of left right symmetry on the crooked detection chamber 30 rear side inner wall, vice rack 79 is located pinion 78 upside and with pinion 78 meshing is connected, fixedly connected with two inductance pressure sensor 35 of left right symmetry on the crooked detection chamber 30 upside inner wall, the auxiliary rack 79 is fixedly connected with an armature 80 extending into the inductive pressure sensor 35 on the end face of one side close to the symmetric center, when the drill rod 18 is bent and deformed, the abutting block 71 on one side moves to one side far away from the symmetric center, so that the auxiliary rack 79 and the armature 80 can be driven to move, the inductive pressure sensor 35 generates an electric signal to detect the bending degree of the drill rod 18, and when the drill rod 18 is bent too much, the telescopic rod 25 stops moving downwards, so that the bending deformation overload protection is realized.
The following describes in detail the use steps of a soil exploration drilling device with bit overload protection function in this document with reference to fig. 1 to 5:
at the beginning, the telescopic rod 25 is positioned at the upper limit position, under the action of the auxiliary compression spring 53, the lifting plate 49 and the lifting rod 46 are positioned at the upper limit position, the semicircular groove 59 is abutted against the cylindrical pin 45, the electromagnet 65 is not electrified, under the action of the spring 66, the bolt 67 is positioned at the left limit position, the bolt 67 is positioned at the lower side of the pin hole 51, the baffle disc 20 is manually placed on the inner wall of the upper side of the fixed cavity 36, then the fixed cylinder 38 and the overload protection box 22 are fixedly connected through the bolt 37, under the action of the auxiliary spring 75, the push rod 31 and the abutting block 71 are positioned at the limit position close to the symmetrical center, the abutting block 71 is abutted against the drill rod 18, the auxiliary rack 79 is positioned at the limit position close to the symmetrical center, the two-position five-way electromagnetic valve 12 enables the oil inlet pipe 29 to,
through manual rotation knob 57, knob 57 can drive pivot 56 and vice bevel gear 55 and rotate, vice bevel gear 55 drives bevel gear 41 through the meshing and rotates, bevel gear 41 drives threaded rod 70 and rotates, threaded rod 70 drives nut 54 through threaded connection and reciprocates, thereby can adjust vice compression spring 53's initial elasticity, thereby can set up the required moment of torsion size of breaking away from the contact between cylindric lock 45 and the half slot 59, in order to be suitable for the probing of different operating modes, manual rotation baffle 60, baffle 60 drives lead screw 61 and rotates, lead screw 61 drives vice nut 63 through threaded connection and reciprocates along slide 64, adjust the distance between limit switch 50 and the side end face on the lift cylinder 58, thereby adjust the pressure overload protection threshold value of drill bit 82.
When the device works, the hydraulic pump 16 and the motor 23 are started, the hydraulic pump 16 conveys hydraulic oil in the oil tank 14 into the hydraulic telescopic cylinder 26 through the oil conveying pipe 17, the two-position five-way electromagnetic valve 12 and the oil inlet pipe 29 by the connecting pipe 15 to enable the telescopic rod 25 to move downwards, the telescopic rod 25 drives the motor base 24, the motor 23, the motor shaft 83 and the rotary disc 81 to move downwards, the motor shaft 83 drives the motor shaft 83 to rotate, the rotary disc 81 drives the rotary disc 81 to rotate by abutting of the cylindrical pin 45 and the semicircular groove 59, the rotary disc 44 drives the lifting cylinder 58 to rotate by the lifting rod 46, the lifting cylinder 58 drives the overload protection box 22 and the gear box 39 to rotate, the overload protection box 22 drives the fixed cylinder 38 and the bending detection box 19 to rotate by the bolt 37, the overload protection box 22 drives the baffle disc 20, the drill rod 18 and the drill bit 82 to rotate by the gear box 39, the,
when the torque borne by the drill bit 82 and the drill rod 18 is too large, the cylindrical pin 45 is separated from the semi-circular groove 59, the cylindrical pin 45 pushes the turntable 44 to move downwards for a certain distance, the turntable 44 drives the lifting plate 49 to move downwards through the lifting rod 46, the plug pin 67 is abutted against the inner wall of the pin hole 51, namely the plug pin 67 extends into the pin hole 51, so that the lifting plate 49 is locked and limited to move upwards and downwards, the cylindrical pin 45 is prevented from being abutted against the semi-circular groove 59 again, the torque overload protection is realized, the automatic reset of the traditional torque overload protection can be avoided, and the drill rod 18 and the drill bit 82 are damaged due to frequent overload during drilling,
when the locking needs to be released, the electromagnet 65 is electrified to adsorb the bolt 67, the bolt 67 is separated from the pin hole 51, the limit of the lifting plate 49 is released, the lifting plate 49 moves upwards and returns under the action of the auxiliary compression spring 53, the locking is released, the cylindrical pin 45 is enabled to be contacted with the semi-circular groove 59 again,
when the drill bit 82 drills into hard rock, the drill bit 82 is damaged by continuous drilling, namely when the positive pressure on the drill bit 82 is too large, the drill bit 82 drives the lifting cylinder 58 to move upwards through the drill rod 18, the baffle disc 20, the bolt 37, the fixed disc 21 and the gear box 39, the upper side end face of the lifting cylinder 58 is abutted to the limit switch 50, the limit switch 50 is triggered to stop the hydraulic pump 16, and the pressure overload protection of the drill bit 82 is realized,
when the drill rod 18 meets rocks during drilling and the drill rod 18 is bent, because the drill rod 18 is in a rotating state, the abutting block 71 on one side can detect the bending deformation of the drill rod 18, the drill rod 18 deforms to push the abutting block 71 to move to the side far from the symmetry center, the abutting block 71 drives the push rod 31 to move to the side far from the symmetry center, the push rod 31 drives the lever 32 to rotate through the sliding connection of the sliding pin 73 on the lower side and the sliding groove 72 on the lower side, the lever 32 drives the rack 34 to move to the side close to the symmetry center through the sliding groove 72 on the upper side and the sliding pin 73 on the upper side, the rack 34 drives the movable gear 77 to rotate through meshing connection, the gear 77 drives the gear shaft 76 and the auxiliary gear 78 to rotate, the auxiliary gear 78 drives the auxiliary rack 79 to move to the side far from the symmetry center through meshing connection, the armature 80 is driven to move to the side, The secondary gear 78 amplifies the displacement of the rack 34 to realize secondary displacement amplification, so that the detection sensitivity of the inductive pressure sensor 35 is improved, the bending deformation of the drill rod 18 is detected through the inductive pressure sensor 35, when the bending deformation of the drill rod 18 is too large, the inductive pressure sensor 35 stops the hydraulic pump 16 from working, the telescopic rod 25 stops moving downwards, and bending deformation overload protection is realized.
The invention has the beneficial effects that: the torque overload protection mechanism can automatically cut off the power connection between the motor rotating shaft and the drill rod and the drill bit when the torque of the drill bit is overlarge, the locking mechanism can lock the torque overload protection mechanism, the torque overload protection mechanism is prevented from being automatically reset when the torque is reduced, so that the damage caused by frequent overload of the drill rod and the drill bit during drilling is avoided, when the drill bit meets hard rock, the pressure of the rock on the drill bit is increased to enable the pressure protection mechanism to act, the drilling machine stops downwards moving and drilling, so that the pressure overload protection is realized, the drill rod bending deformation protection mechanism can detect the bending deformation of the drill rod, so that the overlarge bending deformation of the drill rod is avoided, the torque overload protection and the pressure overload protection of the drill bit can be realized, and the overlarge bending deformation of the drill rod can be avoided.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (1)
1. The utility model provides a soil exploration drilling equipment with drill bit overload protection function, includes the travelling car, its characterized in that: the moving trolley is provided with a power device used for providing lifting and rotating motion for soil drilling, the power device is provided with a torque overload protection device, the torque overload protection device comprises an overload protection box arranged on the power device, an overload protection cavity is arranged in the overload protection box, a torque overload protection cavity with an upward opening and positioned at the upper side of the overload protection cavity is arranged in the overload protection box, the opening at the upper side of the torque overload protection cavity is rotatably connected with a rotating disc, six cylindrical pins with hemispherical heads are distributed on the circumferential array on the end surface at the lower side of the rotating disc, a lifting cylinder is slidably connected on the inner wall at the rear side of the overload protection cavity and can only move up and down along the inner wall of the overload protection cavity, a lifting cavity with an upward opening is arranged in the lifting cylinder, and a lifting plate is slidably connected in the lifting cavity, the lifting plate is internally and fixedly connected with a lifting rod which extends upwards into the torque overload protection cavity, the upper end surface of the lifting rod is fixedly connected with a rotary table positioned in the torque overload protection cavity, the rotary table is provided with six semicircular grooves in a circumferential array distribution, the cylindrical pin can be abutted against the semicircular grooves, the lower inner wall of the lifting cavity is rotatably connected with a threaded rod which extends up and down, a pressure overload protection device is arranged in the torque overload protection device and is used for avoiding overlarge pressure of soil rocks on a drill bit during drilling so as to damage the drill bit, the pressure overload protection device comprises a compression spring connected between the upper end surface of the lifting cylinder and the upper inner wall of the overload protection cavity, the right end surface of the overload protection box is fixedly connected with a fixed block, and the fixed block is rotatably connected with a lead screw which extends up and down, the end surface of the upper side of the screw rod is fixedly connected with a baffle positioned on the upper side of the fixed block, the end surface of the lower side of the fixed block is fixedly connected with a slide way, the lower side of the overload protection box is provided with a bending overload protection device for preventing the drill rod from being bent too much, and the bending overload protection device is of a bilateral symmetry structure; the power device comprises a hydraulic pump fixedly connected to the upper end face of the movable trolley, an oil tank located on the right side of the hydraulic pump is fixedly connected to the upper end face of the movable trolley, the hydraulic pump is communicated and connected with a connecting pipe between the oil tanks, an oil delivery pipe is communicated and connected to the upper end face of the hydraulic pump, a two-position five-way electromagnetic valve is arranged on the oil delivery pipe, two return pipes are communicated and connected between the two-position five-way electromagnetic valve and the oil tank, a fixed rod located on the upper side of the hydraulic pump is fixedly connected to the left end face of the movable trolley, a hydraulic telescopic cylinder is fixedly connected to the fixed rod, an oil inlet of the hydraulic telescopic cylinder is communicated and connected with an oil inlet pipe between the hydraulic telescopic cylinder and the two-position five-way electromagnetic valve, an oil return pipe is communicated and connected between the oil outlet of the hydraulic telescopic cylinder and, a motor base positioned on the lower side of the hydraulic telescopic cylinder is fixedly connected to the lower side end face of the telescopic rod, a motor shaft extending downwards is rotatably connected to the lower side end face of the motor base, the motor shaft is in power connection with a motor fixedly connected to the motor base, and the lower side end face of the motor shaft is fixedly connected with the upper side end face of the rotating disc; the threaded rod is in threaded connection with a nut positioned in the lifting cavity, an auxiliary compression spring is connected between the nut and the lifting plate, a blind hole with a downward opening is formed in the lifting plate, the threaded rod can extend into the blind hole, a pin hole with a rightward opening is formed in the lifting plate, a slide hole with a rightward opening is formed in the inner wall of the right side of the lifting cavity, a left-right extending bolt is connected in the slide hole in a sliding manner, a cross rod positioned on the lower side of the bolt is fixedly connected to the end face of the right side of the lifting cavity, an electromagnet is fixedly connected to the end face of the right side of the cross rod, a spring is connected between the electromagnet and the bolt, a gear box is fixedly connected to the end face of the lower side of the lifting cavity, the gear box can extend out of the end face of the lower side of the overload, the threaded rod is fixedly connected with a bevel gear positioned in the gear cavity, the inner wall of the right side of the gear cavity is rotatably connected with a rotating shaft extending leftwards and rightwards, the rotating shaft is fixedly connected with a secondary bevel gear positioned in the gear cavity and meshed with the bevel gear, and the rotating shaft is fixedly connected with a knob positioned outside the end surface of the right side of the gear cavity; an auxiliary nut positioned on the lower side of the fixed block is connected to the end face of the left side of the slide way in a sliding mode, the auxiliary nut is in threaded connection with the lead screw, a limit switch extending leftwards into the overload protection cavity is fixedly connected to the end face of the left side of the auxiliary nut, and the limit switch can be abutted to the end face of the upper side of the lifting cylinder; the bending overload protection device comprises a fixed disc fixedly connected to the end face of the lower side of the gear box, a bending detection box is arranged on the lower side of the fixed disc, a fixed cavity with an upward opening is arranged in the bending detection box, a bending detection cavity with a downward opening is arranged on the lower side of the fixed cavity, a baffle disc can be abutted to the end face of the lower side of the fixed cavity, the baffle disc and the fixed disc are fixedly connected through bolts, a fixed cylinder with an upward opening is fixedly connected to the end face of the upper side of the bending detection box, the overload protection box is partially arranged in the fixed cylinder, the fixed cylinder and the overload protection box are fixedly connected through bolts, a drill rod extending downwards to the outside of the lower end face of the bending detection cavity is fixedly connected to the end face of the lower side of the drill rod, and a drill bit positioned on the lower side of the bending detection box is, the bending detection cavity comprises a bending detection cavity, a drill rod, a push rod, a pair of springs, a support block, a rack and a sliding pin, wherein the inner wall of the bending detection cavity is connected with two bilateral symmetry butt blocks in a sliding manner, the butt blocks are positioned on the left side and the right side of the drill rod and can be butted with the drill rod, the butt blocks are fixedly connected with the push rod on the end surface of one side away from the center of symmetry, the pair of springs are connected between the push rod and the inner wall of one side away from the center of symmetry of the bending detection cavity, the inner wall of the rear side of the bending detection cavity is connected with two rotation shafts which are symmetrical left and right and extend forwards in a rotating manner, the rotation shafts are positioned on the upper side of the push rod, a lever is fixedly connected on the rotation shafts, two sliding grooves which are symmetrical up and down and run through, the spout with sliding pin sliding connection, it is connected with two bilateral symmetries and is located to rotate on the crooked detection chamber rear side inner wall the gear shaft of rack upside, just the gear shaft extends forward, fixedly connected with on the gear shaft with the gear that rack toothing connects, fixedly connected with is located on the gear shaft the pinion of gear rear side, the diameter of pinion is greater than the diameter of gear, sliding connection has the pinion rack of two bilateral symmetries on the crooked detection chamber rear side inner wall, the pinion rack is located the pinion upside and with the pinion toothing is connected, the crooked inductance pressure sensor who detects two bilateral symmetries on the chamber upside inner wall of fixed connection, the pinion rack is close to fixedly connected with on the symmetry center side end face and extends to armature in the inductance pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006518.1A CN111005676B (en) | 2020-01-03 | 2020-01-03 | Soil exploration drilling device with drill bit overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006518.1A CN111005676B (en) | 2020-01-03 | 2020-01-03 | Soil exploration drilling device with drill bit overload protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111005676A CN111005676A (en) | 2020-04-14 |
| CN111005676B true CN111005676B (en) | 2020-12-01 |
Family
ID=70120323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010006518.1A Active CN111005676B (en) | 2020-01-03 | 2020-01-03 | Soil exploration drilling device with drill bit overload protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111005676B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502572B (en) * | 2020-05-08 | 2022-06-07 | 长江大学 | Radial drilling and drilling control valve |
| CN112878897B (en) * | 2021-02-02 | 2023-01-24 | 王茂龙 | Drilling machine for railway engineering construction |
| CN112901064A (en) * | 2021-02-10 | 2021-06-04 | 温州职业技术学院 | Hammer machine screw-in type hammer drill composite drilling machine |
| CN113389484A (en) * | 2021-02-10 | 2021-09-14 | 温州职业技术学院 | Rotary hammer drill composite drilling machine of drilling machine |
| CN115045614A (en) * | 2022-08-15 | 2022-09-13 | 徐州融河机械制造有限公司 | Mine hole wall mining vehicle |
| CN115267918B (en) * | 2022-09-19 | 2022-12-09 | 山东省煤田地质局物探测量队 | Intelligent data acquisition device for coal field geological geophysical exploration |
| CN116025275A (en) * | 2023-02-15 | 2023-04-28 | 中国华西工程设计建设有限公司 | Drilling device for rock and soil investigation |
| CN117248832A (en) * | 2023-11-20 | 2023-12-19 | 烟台鲁东勘察测绘有限公司 | Soil layer exploration drilling device with overload protection |
| CN117514119B (en) * | 2024-01-03 | 2024-04-12 | 中国石油大学(华东) | Shale oil three-dimensional development fracturing device and fracturing method |
| CN117929020B (en) * | 2024-03-22 | 2024-05-28 | 赣州职业技术学院 | Soil detection device for landscaping |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203756051U (en) * | 2013-12-31 | 2014-08-06 | 中国石油化工集团公司 | Drill torque overloading protector |
| CN204225784U (en) * | 2014-11-24 | 2015-03-25 | 连云港黄海机械股份有限公司 | A kind of rock-core borer output torque upper limit controls drilling rod |
| CN205400582U (en) * | 2016-02-25 | 2016-07-27 | 西南石油大学 | Moment of torsion overload protection instrument |
| CN209653954U (en) * | 2019-01-18 | 2019-11-19 | 郑州汇之丰科技有限公司 | A kind of soil sample drill bit of drilling machine with energy overload protection function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9103175B2 (en) * | 2012-07-30 | 2015-08-11 | Baker Hughes Incorporated | Drill bit with hydraulically-activated force application device for controlling depth-of-cut of the drill bit |
-
2020
- 2020-01-03 CN CN202010006518.1A patent/CN111005676B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203756051U (en) * | 2013-12-31 | 2014-08-06 | 中国石油化工集团公司 | Drill torque overloading protector |
| CN204225784U (en) * | 2014-11-24 | 2015-03-25 | 连云港黄海机械股份有限公司 | A kind of rock-core borer output torque upper limit controls drilling rod |
| CN205400582U (en) * | 2016-02-25 | 2016-07-27 | 西南石油大学 | Moment of torsion overload protection instrument |
| CN209653954U (en) * | 2019-01-18 | 2019-11-19 | 郑州汇之丰科技有限公司 | A kind of soil sample drill bit of drilling machine with energy overload protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111005676A (en) | 2020-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111005676B (en) | Soil exploration drilling device with drill bit overload protection function | |
| AU2016203753B2 (en) | Tubular handling apparatus | |
| CA2722543C (en) | Apparatus and methods for wedge lock prevention | |
| EP2304166B1 (en) | Tubular handling apparatus | |
| JP2008008095A (en) | Vehicle stop device | |
| CN112482994A (en) | Geological exploration drilling equipment capable of coping with overload of drill bit | |
| CN202108415U (en) | Hydraulic power water tap for a gear rack drilling machine | |
| CN110805727A (en) | Safety valve | |
| CN111947516B (en) | Carpet type movable land mine detection device | |
| CN113977254B (en) | Portable rust-removing screw and nut equipment | |
| CN219478471U (en) | Rotary cultivator with rotation function | |
| CN219387820U (en) | Variable slope drill collar | |
| CN214879816U (en) | Safety locking control switch for pneumatic winch | |
| CN110814831B (en) | Torque protection device | |
| CN116833444B (en) | Drilling device for roll shaft machining | |
| CN110921495B (en) | Novel electric hoist lifting hook | |
| CN215214176U (en) | Hydraulic cylinder with self-backflow control | |
| CN202624035U (en) | Device for protecting top cap of dump truck with environment-friendly top cap | |
| CN118167225A (en) | Erosion-resistant drill rod floating valve for petroleum drilling | |
| KR200286179Y1 (en) | Water gate lifting device | |
| CN111959561A (en) | Equipment for adjusting rail bending and detecting fracture | |
| CN112548158A (en) | Electric box installation equipment for workshop hollow steel pipe stand column | |
| CN112145128A (en) | Safety resetting device for power tap | |
| CN115680518A (en) | Multifunctional turnover type hydraulic elevator | |
| CN117841569A (en) | Retractable caster structure |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Chenghua Inventor after: Tan Jinzhong Inventor after: Tang Guoyi Inventor after: Yan Gang Inventor after: Wang Zhenxiang Inventor after: Other inventor requests not to publish the name Inventor before: Request for anonymity |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201111 Address after: No.105, Jiadong village, youfangqiao, Yuhuatai District, Nanjing, Jiangsu Province, 210012 Applicant after: JIANGSU NANJING GEOLOGICAL ENGINEERING INVESTIGATION INSTITUTE Address before: No. 31, dashabei Road, Huangpu District, Guangzhou, Guangdong 510700 Applicant before: Guangzhou Lihe Machinery Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |