CN115263198B - Portable geological exploration sampling drilling machine - Google Patents
Portable geological exploration sampling drilling machine Download PDFInfo
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- CN115263198B CN115263198B CN202211172471.1A CN202211172471A CN115263198B CN 115263198 B CN115263198 B CN 115263198B CN 202211172471 A CN202211172471 A CN 202211172471A CN 115263198 B CN115263198 B CN 115263198B
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- 238000005070 sampling Methods 0.000 title claims abstract description 39
- 238000005553 drilling Methods 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 46
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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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
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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
- E21B3/022—Top drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Environmental & Geological Engineering (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a portable geological exploration sampling drilling machine which comprises an engine, a supporting outer ring and an installation inner ring which are coaxially arranged, wherein three fixing plates are connected between the installation inner ring and the supporting outer ring, the lower end of the engine is connected with a drill rod, the engine is arranged in the installation inner ring, an installation bottom ring for supporting the bottom of the engine is arranged below the installation inner ring, an adjusting piece is sleeved on the outer side of the installation inner ring, a notch is formed in the bottom surface of one end, close to the installation inner ring, of each fixing plate, an upper pressing piece for connecting the installation bottom ring and the adjusting piece is arranged at one end of each fixing plate, and the upper pressing pieces penetrate through the notches of the fixing plates. The engine and the mounting inner ring are detachably connected, the mounting is quick and convenient, the whole engine is not required to be mounted and carried in the field geological exploration, the engine can be quickly mounted in the use process only by carrying the whole parts, the carrying is more convenient, and the safety is improved by matching with the special arrangement of the notch and the buffer spring.
Description
Technical Field
The invention relates to the technical field of geological exploration, in particular to a portable geological exploration sampling drilling machine.
Background
The portable sampling drilling machine for geological exploration is a small-sized drilling machine with the characteristics of small volume, light weight, high efficiency, simple operation, convenient moving and the like, can be operated by a single person, can be widely applied to various sampling construction operations such as geological survey mapping, geophysical prospecting blast holes, chemical prospecting rock sampling, environmental and agricultural geological survey sampling, road foundation reconnaissance, pavement quality detection sampling and the like, has reliable performance, is convenient and flexible, is very suitable for field work, and is very popular in geological exploration.
The common portable sampling drilling machine in the current market is mainly convenient for the whole portable carrying of the drilling machine through the change of the body type of the drilling machine, for example, the portable shallow sampling drilling machine for geological exploration with application publication No. CN114607301A and the portable shallow sampling drilling machine for geological exploration with authorization publication No. CN110485913B, although the portable carrying is realized through the change of the body type of the drilling machine, the engine and the bracket for fixing the engine are in an integral structure, because the engine is directly connected with the drill rod and the drill bit, the engine and the integral bracket still occupy a larger space, and the whole drilling machine is in a vertical and poor structure, even if the body type is changed, the problem of inconvenient carrying still exists.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, a drilling machine is integrally arranged and is still inconvenient to carry, and provides a portable geological exploration sampling drilling machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable geological exploration sampling drilling machine comprises an engine, a supporting outer ring and an installing inner ring which are coaxially arranged, wherein three fixing plates are connected between the installing inner ring and the supporting outer ring, the lower end of the engine is connected with a drill rod, the engine is arranged in the installing inner ring, an installing bottom ring for supporting the bottom of the engine is arranged below the installing inner ring, an adjusting piece is sleeved on the outer side of the installing inner ring, a notch is arranged on the bottom surface of one end, close to the installing inner ring, of each fixing plate, an upper pressing piece for connecting the installing bottom ring and the adjusting piece is arranged at one end of each fixing plate, and the upper pressing piece penetrates through the notches of the fixing plates, the top that compresses tightly a top shrink and compress tightly the engine on the rotatory drive of regulating part, every the bottom of fixed plate all articulates there is flexible landing leg, and the rotatory electric push rod of regulation flexible landing leg is installed to the other end screw thread of every fixed plate, go up to compress tightly the piece including pressing the top board at the engine top, be located the buffer spring between top board and fixed plate, open at the top of engine has with top board complex notch, every the notch has the symmetry axis through the circular arc centre of a circle, the extension line of the symmetry axis of at least one notch does not pass through the centre of a circle of engine top surface, and the extension line of the symmetry axis of at least one notch passes through the centre of a circle.
Preferably, the installation bottom ring and the installation inner ring are coaxially arranged, the top surface of the installation bottom ring is provided with a top groove with the same inner diameter as the installation inner ring, the bottom end of the engine is arranged in the top groove, and the bottom wall of the top groove is provided with a buffering bottom pad for supporting the engine.
Preferably, the outer side of the mounting bottom ring is connected with three bearing seats in an annular array manner, and the bottom end of the upper pressing piece is fixedly mounted in the bearing seats.
Preferably, the outer side of the installation inner ring is provided with an annular groove, the adjusting part comprises a rotating ring sleeved on the outer side of the annular groove and an outer gear fixedly connected to the upper end of the outer side face of the rotating ring, and the lower end of the outer side face of the rotating ring is fixedly connected with a plurality of rotating rods.
Preferably, go up to compress tightly the piece including rotating the rotation screwed pipe of embedding in the fixed plate, the flexible screw rod and the connection sill bar of fixed connection in the rotation screwed pipe bottom of screw thread grafting on rotating the screwed pipe top, the lower extreme that rotates the screwed pipe runs through fixed plate to breach in, and rotates the screwed pipe and be located the inboard outside fixedly connected with of breach and external gear meshing's driven gear, connect sill bar fixed connection in the bearing frame of installation sill ring outside.
Preferably, the top end of the telescopic screw rod is of a smooth telescopic rod structure, the top of the telescopic screw rod is rotatably connected with an upper pressure plate pressed at the top of the engine, and a buffer spring is sleeved on the outer side of the telescopic screw rod between the upper pressure plate and the fixed plate.
Preferably, the telescopic supporting legs comprise rotary outer rods connected with the bottom of the fixing plate in a hinged mode and sliding inner rods inserted into one ends of the rotary outer rods, the bottom ends of the sliding inner rods are provided with idler wheels, the side faces of the sliding inner rods are provided with limiting holes in a linear array mode, and limiting bolts jacked into the limiting holes are inserted into the threads on one side of the bottom ends of the rotary outer rods in a threaded mode.
Preferably, the top surface of the rotary outer rod is provided with a T-shaped groove, a T-shaped connecting block is arranged in the T-shaped groove in a sliding mode, and the bottom end of the electric push rod is hinged to the T-shaped connecting block.
Preferably, the top board with can be in order to be less than 15 degrees rotation angle rotation each other between the telescopic screw, two the extension line of the symmetry axis of notch does not pass through the centre of a circle, and does not pass through the second contained angle of the extension line of the symmetry axis of two notches at the centre of a circle is less than 120 degrees, the symmetry axis of notch with the top surface circle at engine top is including the nodical, nodical extremely the line of centre of a circle is the third contained angle with the contained angle of symmetry axis, the third contained angle is big then stronger rather than the elasticity of the buffer spring on the top board that corresponds.
Preferably, the rotation angle is 4 degrees or more and 10 degrees or less.
Compared with the prior art, the invention has the following advantages:
1. the installation bottom ring is arranged below the installation inner ring, the adjusting piece is sleeved on the outer side of the installation inner ring, the pressing piece is installed at the end part of the fixing plate, the bottom of the upper pressing piece is connected with the installation inner ring, and the side surface of the upper pressing piece is meshed with the adjusting piece, so that the engine is detachably connected with the installation inner ring, the installation is quick and convenient, further, when in field geological exploration, the whole installation and carrying are not needed, the engine can be quickly installed in use only by carrying whole parts, the carrying is more convenient, meanwhile, the adjusting piece can drive a plurality of upper pressing pieces to simultaneously stretch and retract in the assembling process of the engine, the fixation of the engine is realized, and the damping and buffering of the engine after the installation are realized by the buffering bottom pad in the installation bottom ring and the buffering spring on the upper pressing piece, so that the overlarge vibration of the engine during the work is avoided, and the sampling progress is influenced; in addition, the bottom of supporting the outer loop is articulated to install flexible landing leg, flexible landing leg is when the sample, can promote flexible landing leg rotation to contact with ground by the electric push rod, realize the stable support to whole equipment, simultaneously can also be at the in-process of sample, by the flexible rotation that drives flexible landing leg of electric push rod, and then when stretching the sample under the drilling rod, can provide the support of whole equipment by flexible landing leg, it is more convenient to use, and flexible landing leg can also stretch out and draw back to and support the outer loop parallel and level when carrying, reduce the space that occupies, the holistic carrying of being more convenient for.
2. The invention ensures that the pressure on the notch can not be concentrated and uniformly acted on the top of the engine when the engine works and abnormally shakes because the extension line of the symmetry axis of at least one notch passes through the circle center, and the intersecting included angle of the extension lines of the two symmetry axes which do not pass through the circle center is less than 120 degrees, when the angle is less than 110 degrees, the effect is optimal, so that the acting force acted on the top surface can be reduced to a certain degree, the looseness of the engine caused by the shaking during the work of the engine is prevented, and simultaneously, the upper pressure plate and the telescopic screw rod can rotate mutually at a rotation angle of less than 15 degrees, the optimal rotation angle is more than 4 degrees and less than 10 degrees, so that unexpected rotation force is mainly concentrated on one or two upper pressure plates during the rotation, the buffer springs on the notches of which the symmetric axes pass through the circle center or do not pass through the circle center have different elastic forces, specifically, the buffer springs corresponding to the notches of which the symmetric axes do not pass through the circle center have larger elastic force and the buffer springs corresponding to the notches of which the symmetric axes pass through the circle center have smaller elastic force, namely, the buffer springs corresponding to the notches of which the symmetric axes do not pass through the circle center can be arranged to have larger elastic force than the elastic force corresponding to the circle center, and the larger the included angle between the intersection point of the symmetric axes and the top surface circle of the engine and the circle center of the symmetric axes is, the stronger the elastic force of the springs is, thereby preventing looseness to the maximum extent.
Drawings
FIG. 1 is a schematic structural diagram of a portable geological exploration sampling drilling rig according to the present invention;
FIG. 2 is another schematic view of a portable geological exploration sampling rig according to the present invention;
FIG. 3 is a schematic diagram of an engine structure of a portable geological exploration sampling drilling machine according to the present invention;
FIG. 4 is a cross-sectional view of a support outer ring of a portable geological exploration sampling drill according to the present invention;
FIG. 5 is a schematic diagram of a support outer ring structure of a portable geological exploration sampling drill according to the present invention;
FIG. 6 is a schematic structural diagram of an adjusting member of the portable geological exploration sampling drilling machine according to the present invention;
FIG. 7 is a schematic structural diagram of an upper pressing member of the portable geological exploration sampling drilling machine according to the present invention;
FIG. 8 is a schematic diagram of a telescopic leg structure of a portable geological exploration sampling drilling machine according to the present invention;
FIG. 9 is a schematic structural view of a portable geological exploration sampling drill according to the present invention when the telescopic legs are retracted;
FIG. 10 is a schematic top view of a portable geological exploration sampling drilling machine according to the present invention, wherein the top surface of the drilling machine is located between an upper platen and a slot of an engine.
In the figure: 1. a support outer ring; 2. installing an inner ring; 201. an annular groove; 3. a fixing plate; 4. an engine; 41. a notch; 42. an axis of symmetry; 43. a second included angle; 44. the center of a circle; 45. a point of intersection; 46. a first included angle; 47. a third included angle; 5. mounting a bottom ring; 501. a cushion base; 6. an adjustment member; 61. a rotating ring; 62. an outer gear; 63. a rotating rod; 7. an upper compression member; 71. rotating the solenoid; 72. a telescopic screw; 73. an upper pressure plate; 74. a buffer spring; 75. connecting the bottom rod; 8. an electric push rod; 9. a telescopic leg; 91. rotating the outer rod; 92. sliding the inner rod; 93. a T-shaped groove; 94. a T-shaped connecting block; 10. and (5) drilling a rod.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a portable geological exploration sampling drilling machine comprises an engine 4, a supporting outer ring 1 and a mounting inner ring 2 which are coaxially arranged, three fixing plates 3 are connected between the mounting inner ring 2 and the supporting outer ring 1, the three fixing plates 3 are arranged in an annular array, the lower end of the engine 4 is connected with a drill rod 10, the bottom end of the drill rod 10 is connected with a drill bit, the engine 4 is arranged in the mounting inner ring 2, the outer wall of the engine 4 and the inner wall of the mounting inner ring 2 are separated by a gap for facilitating ventilation, a mounting bottom ring 5 for supporting the bottom of the engine 4 is arranged below the mounting inner ring 2, an adjusting piece 6 is sleeved on the outer side of the mounting inner ring 2, the adjusting piece 6 can rotate on the mounting inner ring 2 from the illustration shown in the figure, a gap is arranged on the bottom surface of one end, close to the mounting inner ring 2, of the fixing plates 3, one end of three fixed plate 3 all is equipped with the last piece 7 that compresses tightly of connecting installation foundation ring 5 and regulating part 6, on compress tightly 7 the breach that piece 7 runs through fixed plate 3 and be connected with installation foundation ring 5, the rotatory top that drives and compress tightly 7 tops of piece and compress tightly engine 4 this moment, thereby accomplish the holistic fixed to engine 4, the bottom of three fixed plate 3 all articulates there is telescopic leg 9, telescopic leg 9 can support the whole, the rotatory electric push rod 8 of regulating telescopic leg 9 is installed to the other end screw thread of three fixed plate 3, electric push rod 8 is with the mode of screw thread installation, can make things convenient for the dismantlement processing between electric push rod 8 and the fixed plate 3, be equipped with the screw of the wrong income of power supply push rod 8 screw on the fixed plate 3 simultaneously, can make electric push rod 8's piston end run through fixed plate 3, electric push rod 8 whole part inlays in fixed plate 3.
Referring to fig. 4, the installation bottom ring 5 is coaxial with the installation inner ring 2, the top surface of the installation bottom ring 5 is provided with a top groove with the same inner diameter as the installation inner ring 2, the bottom end of the engine 4 is arranged in the top groove, a hole through which the drill rod 10 passes is arranged at the center of the top groove, the bottom wall of the top groove is provided with a buffer bottom cushion 501 for supporting the engine 4, and after the engine 4 is placed in the installation bottom ring 5, the bottom of the engine 4 is supported on the buffer bottom cushion 501, so that the vibration intensity of the engine 4 can be weakened when the engine is in operation.
The outside of installation base ring 5 is annular array and is connected with three bearing frame, and the bottom fixed mounting who goes up compressing tightly 7 is in the bearing frame, and compressing tightly 7 and installation base ring 5 are connected in the realization, and installation base ring 5 can not influence the rotation itself of compressing tightly 7 simultaneously.
Referring to fig. 4-6, an annular groove 201 is formed in the outer side of the installation inner ring 2, the adjusting piece 6 comprises a rotating ring 61 sleeved on the outer side of the annular groove 201 and an outer gear 62 fixedly connected to the upper end of the outer side face of the rotating ring 61, when the rotating ring 61 is sleeved on the outer side of the annular groove 201, the inner diameter of the rotating ring 61 is larger than the outer diameter of the installation inner ring 2, so that the rotating ring 61 protrudes from the installation inner ring 2, a plurality of rotating rods 63 are fixedly connected to the lower end of the outer side face of the rotating ring 61, and the plurality of rotating rods 63 are used for facilitating adjustment of rotation of the rotating ring 61.
Referring to fig. 4-7, the upper compressing member 7 includes a rotating screw 71 embedded in the fixing plate 3, a telescopic screw 72 screwed into the top of the rotating screw 71, and a connecting bottom rod 75 fixedly connected to the bottom of the rotating screw 71, the bottom of the rotating screw 71 is sealed, so as to facilitate coaxial connection with the connecting bottom rod 75, and the rotating screw 71 is embedded and fixed in the fixing plate 3 mainly through a bearing, so that rotation in the fixing plate 3 is achieved without changing the position, the lower end of the rotating screw 71 penetrates through the fixing plate 3 to the notch, and the outer side of the rotating screw 71 in the notch is fixedly connected with a driven gear meshed with the external gear 62, where the number of teeth of the external gear 62 is much larger than that of the driven gear, so that the rotating rod 63 only needs to rotate between the two fixing plates 3, i.e. the whole process of driving the rotating screw 72 to lift on the rotating screw 71 can be achieved, and the connecting bottom rod 75 is fixedly connected in a bearing seat outside the mounting bottom ring 5.
Referring to fig. 7, the top end of the telescopic screw 72 is a smooth telescopic rod structure, the thread portion of the telescopic screw 72 is matched with the rotary screw 71, the top of the telescopic screw 72 is rotatably connected with an upper pressure plate 73 pressed on the top of the engine 4, and the top of the engine 4 is provided with a notch 41 matched with the upper pressure plate 73, when the upper pressure plate 73 descends, the upper pressure plate can be attached to the notch 41 on the engine 4 to vertically press the engine 4, a buffer spring 74 is sleeved outside the telescopic screw 72 between the upper pressure plate 73 and the fixed plate 3, the buffer spring 74 is matched with the smooth telescopic portion at the upper end of the telescopic screw 72, since the smooth telescopic portion can be stretched, the buffer spring 74 can be compressed when the engine descends, and then the buffer spring 74 rebounds, the top of the engine 4 can be vibration buffered, and meanwhile, the smooth telescopic portion cannot obstruct the stretching of the buffer spring 74 due to the fact that the surface does not have a thread structure, and plays a role in reducing damping in the stretching process of the buffer spring 74.
Referring to fig. 2 and 8-9, the telescopic leg 9 comprises a rotary outer rod 91 connected with the bottom of the fixing plate 3 in a hinged mode and a sliding inner rod 92 inserted into one end of the rotary outer rod 91, the length of the sliding inner rod 92 is slightly smaller than that of the rotary outer rod 91, meanwhile, a roller is installed at the bottom end of the sliding inner rod 92, when the rotary outer rod 91 rotates after the roller contacts with the ground, connection with the ground cannot be affected, the support outer ring 1 and the installation inner ring 2 can be supported, the side face of the sliding inner rod 92 is provided with a limiting hole in a linear array mode, a limiting bolt which is pushed into the limiting hole is inserted into one side of the bottom end of the rotary outer rod 91 in a threaded mode, and the telescopic length of the sliding inner rod 92 can be adjusted conveniently through the limiting bolt and the limiting hole.
The top surface of rotatory outer pole 91 has seted up "T" type groove 93 to slidable mounting has "T" type connecting block 94 in "T" type groove 93, and the bottom of electric push rod 8 links to each other with "T" type connecting block 94 is articulated, and at the flexible in-process of electric push rod 8, by the articulated of electric push rod 8 with "T" type connecting block 94, makes "T" type connecting block 94 slide in "T" type groove 93 in order to realize driving the rotation of rotatory outer pole 91.
In the above embodiment, before sampling, the components are assembled, first, the electric push rod 8 is screwed into the fixed plate 3, the bottom of the electric push rod 8 is hinged to the T-shaped connecting block 94 on the telescopic leg 9, then the sliding inner rod 92 is pulled out from the rotary outer rod 91, and the sliding inner rod 92 is limited by the limiting bolt, at this time, the electric push rod 8 is started, the electric push rod 8 is extended to drive the telescopic leg 9 to rotate integrally at the bottom of the fixed plate 3, so that the roller connected to the sliding inner rod 92 of the telescopic leg 9 is supported on the ground, so as to keep the support outer ring 1 stable, then the engine 4 and the drill rod 10 are inserted into the installation inner ring 2 from above the installation inner ring 2 until the engine 4 presses the top surface of the installation bottom ring 5, at this time, the upper pressing plate 73 is rotated to rotate the upper pressing plate 73 above the engine 4, and the upper pressing plate 73 corresponds to the notch 41 on the top surface of the engine 4, then the rotary rod 63 is rotated, the rotary rod 63 drives the rotary ring 61 to rotate the outer gear 62, the outer gear 62 to rotate the rotary screw 71, and further drive the driven gear 71 to rotate the screw 71, and further drive the rotary screw 71 to rotate the telescopic screw 72 to press the upper end of the telescopic screw 71 of the telescopic screw 72 to press the telescopic screw 71 to press the telescopic screw 72 and to press the telescopic screw 71 and to fix the telescopic spring 71, and to press the telescopic screw 4.
When sampling begins, the engine 4 is started, the engine 4 drives the drill rod 10 to work, when the drill rod 10 begins to drill downwards into the ground, the electric push rod 8 is started to contract, the electric push rod 8 contracts to drive the telescopic supporting legs 9 to rotate, the telescopic supporting legs 9 expand outwards, the supporting outer ring 1, the mounting inner ring 2 and the engine 4 are adjusted to move downwards, and the drill rod 10 is matched to work.
Further, since the engine 4 is usually accompanied by a large shake during the drilling process, the gear transmission mode of the present invention can drive the rotation of the upper compressing member 7 by means of the rotating rod 63, which makes it easier to fasten and dismount, but when the engine shakes a lot, the engine is undesirably rotated, although the buffer spring 74 can prevent the rotation to some extent, the best effect cannot be achieved, and if the engine falls off, a serious safety accident may be caused.
To this end, as shown in fig. 10, in the preferred embodiment of the present invention, each of the notches 41 is provided with a symmetry axis 42 passing through the center of a circular arc, an extension line of the symmetry axis 42 of at least one notch 41 does not pass through the center 44 of the top surface of the engine 4, and an extension line of the symmetry axis 42 of at least one notch 41 passes through the center 44, and as exemplified in fig. 10, extension lines of the symmetry axes 42 of two notches 41 do not pass through the center 44.
Thereby, the force is mainly concentrated on one or two of the notches 41 during rotation and does not act on three notches 41 simultaneously, or it can be understood that the force acting on the non-eccentric notch 41 is smaller with respect to the force of the eccentric notch 41, so that the engine is not uniformly forced off at the same time. And the second included angle 43 of the extension lines of the symmetry axes 42 of the two notches 41 which do not pass through the circle center 44 is less than 120 degrees, and the two notches 41 are far away from each other, so that the acting force is concentrated on the notch 41 with the increased eccentricity, and the effect of preventing the engine from being separated is further improved.
In order to reduce the acting force of the eccentric notch 41, the intersection point 45 is defined between the symmetry axis 42 of the notch 41 and the top circle of the engine, the first included angle between the intersection point of two adjacent notches 41 and the circle center 44 is 120 degrees, the included angle between the connecting line from the intersection point 45 to the circle center 44 and the symmetry axis 42 is a third included angle 47, the larger the third included angle 47 is, the stronger the elastic force of the buffer spring 74 on the upper pressure plate 73 corresponding to the third included angle is, so that the buffer spring 74 with stronger elastic force is matched to reduce the rotating force, and the separation of the engine 4 caused by rotation is avoided.
In addition, in order to further buffer the corresponding rotating force in one or two eccentric slots 41, the present invention further provides that the upper pressure plate 73 and the telescopic screw 72 can rotate mutually at a rotation angle smaller than 15 degrees, the rotation angle is set so that the rotating force can be buffered, the rotation between the upper pressure plate 73 and the telescopic screw 72 is not greatly influenced, the insertion of the telescopic screw 72 onto the rotating screw 71 is not influenced, and the rotation angle is preferably 4 degrees or more and 10 degrees or less, so as to balance the reduction of the rotation and the easy insertion.
To sum up, in the preferred embodiment of the present invention, the extension line of the symmetry axis 42 of at least one notch 41 does not pass through the center 44 of the top surface of the engine, and the extension line of the symmetry axis 42 of at least one notch 41 passes through the center 44, so that the pressure on the notch 41 does not concentrate uniformly on the top of the engine during the operation of the engine and during abnormal shaking, and the intersection angle between the extension lines of the symmetry axis 42 which do not pass through the center 44 is less than 120 degrees, which is optimal when the angle is less than 110 degrees, so that the acting force acting on the top surface can be reduced to a certain extent, thereby preventing the shaking of the engine during the operation of the engine from causing looseness, and simultaneously cooperating the upper pressure plate and the expansion screw rod to rotate with each other at a rotation angle less than 15 degrees, and the optimal rotation angle is more than 4 degrees and less than 10 degrees, so that the unexpected rotation force is mainly concentrated on one or two upper pressure plates during the rotation, thereby preventing the simultaneous action on the three upper pressure plates from causing the looseness of the upper pressure plate at the same time, thereby causing the shaking of the engine and even falling off of the engine, further cooperating with the action of the buffer spring 74, so that the rotation force is transferred to the spring buffer the rotation force is further, and the elasticity of the top surface of the notch is increased, and the elasticity of the top surface of the engine is further preventing the elasticity of the center of the notch and the top surface of the engine from increasing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A portable geological exploration sampling drilling machine comprises an engine (4), a supporting outer ring (1) and an installing inner ring (2) which are coaxially arranged, wherein three fixing plates (3) are connected between the installing inner ring (2) and the supporting outer ring (1), the lower end of the engine (4) is connected with a drill rod (10), the engine (4) is arranged in the installing inner ring (2), the portable geological exploration sampling drilling machine is characterized in that an installing bottom ring (5) for supporting the bottom of the engine (4) is arranged below the installing inner ring (2), an adjusting piece (6) is sleeved on the outer side of the installing inner ring (2), a notch is formed in the bottom surface, close to the installing inner ring (2), of one end of each fixing plate (3), an upper pressing piece (7) for connecting the installing bottom ring (5) and the adjusting piece (6) is arranged at one end of each fixing plate (3), the upper pressing piece (7) penetrates through the notch of the fixing plate (3), the adjusting piece (6) rotates to drive the top of the upper pressing piece (7) to shrink and press the top of the engine (4), the bottom end (9) of each fixing plate (3) is hinged with a supporting leg (9), and the adjusting piece (3), and the other end of each supporting leg (3) comprises a rotating pressing piece (73) which is provided with a screw thread pressing piece (8), be located buffer spring (74) between top board (73) and fixed plate (3), open the top of engine (4) have with top board (73) complex notch (41), the front end of notch (41) is circular-arc, every notch (41) have through the symmetry axis (42) of circular arc centre of a circle, at least one the extension line of symmetry axis (42) of notch (41) does not pass through centre of a circle (44) of engine (4) top surface, and at least one the extension line of symmetry axis (42) of notch (41) passes through centre of a circle (44).
2. The portable geological exploration sampling drilling machine according to claim 1, characterized in that the installation bottom ring (5) and the installation inner ring (2) are coaxially arranged, the top surface of the installation bottom ring (5) is provided with a top groove with the same inner diameter as that of the installation inner ring (2), the bottom end of the engine (4) is arranged in the top groove, and the bottom wall of the top groove is provided with a buffering bottom pad (501) for supporting the engine (4).
3. A portable geological exploration sampling drilling machine according to claim 2, characterized in that three bearing seats are connected to the outer side of said mounting bottom ring (5) in an annular array, and the bottom end of said upper pressing member (7) is fixedly mounted in the bearing seats.
4. A portable geological exploration sampling drilling machine according to claim 3, characterized in that the outer side of the installation inner ring (2) is provided with an annular groove (201), the adjusting member (6) comprises a rotating ring (61) sleeved outside the annular groove (201) and an outer gear (62) fixedly connected to the upper end of the outer side of the rotating ring (61), and the lower end of the outer side of the rotating ring (61) is fixedly connected with a plurality of rotating rods (63).
5. The portable geological exploration sampling drilling machine according to claim 4, wherein the upper pressing piece (7) comprises a rotating solenoid (71) which is rotatably embedded in the fixing plate (3), a telescopic screw (72) which is in threaded connection with the top end of the rotating solenoid (71), and a connecting bottom rod (75) which is fixedly connected to the bottom of the rotating solenoid (71), the lower end of the rotating solenoid (71) penetrates through the fixing plate (3) to the notch, the outer side of the rotating solenoid (71) in the notch is fixedly connected with a driven gear which is meshed with the outer gear (62), and the connecting bottom rod (75) is fixedly connected in a bearing seat on the outer side of the mounting bottom ring (5).
6. The portable geological exploration sampling drilling machine according to claim 5, characterized in that the top end of the telescopic screw rod (72) is of a smooth telescopic rod structure, the top of the telescopic screw rod (72) is rotatably connected with an upper pressure plate (73) pressing the top of the engine (4), and a buffer spring (74) is sleeved outside the telescopic screw rod (72) between the upper pressure plate (73) and the fixed plate (3).
7. The portable geological exploration sampling drilling machine as claimed in claim 1, wherein the telescopic supporting legs (9) comprise a rotary outer rod (91) hinged with the bottom of the fixing plate (3) and a sliding inner rod (92) inserted into one end of the rotary outer rod (91), rollers are installed at the bottom end of the sliding inner rod (92), limit holes are formed in the side face of the sliding inner rod (92) in a linear array mode, and limit bolts jacked into the limit holes are inserted into one side of the bottom end of the rotary outer rod (91) in a threaded mode.
8. The portable geological exploration sampling drilling machine according to claim 7, characterized in that a T-shaped groove (93) is formed in the top surface of the rotating outer rod (91), a T-shaped connecting block (94) is slidably mounted in the T-shaped groove (93), and the bottom end of the electric push rod (8) is hinged to the T-shaped connecting block (94).
9. The portable geological exploration sampling drilling machine according to claim 5, wherein the upper pressing plate (73) and the telescopic screw rod (72) can rotate mutually at a rotation angle smaller than 15 degrees, extension lines of the symmetry axes (42) of the two notches (41) do not pass through the circle center (44), a second included angle (43) of extension lines of the symmetry axes (42) of the two notches (41) which do not pass through the circle center (44) is smaller than 120 degrees, the symmetry axis (42) of the notch (41) and a top surface circle at the top of the engine (4) comprise a crossing point (45), a connecting line from the crossing point (45) to the circle center (44) and the symmetry axis (42) form a third included angle (47), and the larger the third included angle (47) is, the stronger the elastic force of the buffer spring (74) on the upper pressing plate (73) corresponding to the third included angle is.
10. A portable geological exploration sampling drill according to claim 9, wherein said rotation angle is above 4 degrees and below 10 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211172471.1A CN115263198B (en) | 2022-09-26 | 2022-09-26 | Portable geological exploration sampling drilling machine |
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| CN202211172471.1A CN115263198B (en) | 2022-09-26 | 2022-09-26 | Portable geological exploration sampling drilling machine |
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| CN115263198B true CN115263198B (en) | 2022-12-30 |
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| CN117365278A (en) * | 2023-11-18 | 2024-01-09 | 广东省有色矿山地质灾害防治中心 | Portable shallow sampling drilling machine for geological exploration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4487271A (en) * | 1982-02-12 | 1984-12-11 | Pomeroy Dan M | Portable core drill |
| CN205228864U (en) * | 2015-12-17 | 2016-05-11 | 余裕超 | Portable ground sampling device |
| WO2019019195A1 (en) * | 2017-07-28 | 2019-01-31 | 士商（上海）机械有限公司 | Light-weight electric ground drill |
| CN212780055U (en) * | 2020-09-11 | 2021-03-23 | 中国石油化工股份有限公司 | Portable geological sampling tool |
| CN215595492U (en) * | 2021-06-18 | 2022-01-21 | 国网甘肃省电力公司庆阳供电公司 | A reaming device for collapsible loess foundation handles |
| CN113846978B (en) * | 2021-09-23 | 2023-12-12 | 福建省水文地质工程地质勘察研究院 | Portable survey pole that geological survey used |
| CN216082119U (en) * | 2021-10-09 | 2022-03-18 | 合肥昭坤工程技术有限公司 | Geological exploration sampling device |
| CN217424806U (en) * | 2022-01-19 | 2022-09-13 | 刘旭光 | Portable sampling device for geological mineral exploration |
| CN114544233A (en) * | 2022-02-24 | 2022-05-27 | 邓双庆 | Sample collection system for prospecting |
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