CN114687692A

CN114687692A - Drilling equipment for geological survey

Info

Publication number: CN114687692A
Application number: CN202210322660.6A
Authority: CN
Inventors: 苗鹏; 张学海; 许蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-01
Anticipated expiration: 2042-03-29
Also published as: CN114687692B

Abstract

The invention relates to the technical field of geological exploration, in particular to drilling equipment for geological exploration; comprises a core taking cylinder, a scaling mechanism, a locking unit, a cutting unit and a core taking drill bit; the invention solves the problems that the equipment mainly existing in the process of geological exploration of the existing drilling equipment directly pulls and cuts off the core, so that the equipment is easy to damage and the core structure is easy to damage; the core taking-out efficiency of the core taking machine is low and the equipment is damaged by knocking; the invention improves the operation efficiency of the drilling equipment, ensures the core structure and prolongs the service life of the device.

Description

Drilling equipment for geological survey

Technical Field

The invention relates to the technical field of geological exploration, in particular to drilling equipment for geological exploration.

Background

Geological exploration is to investigate the distribution of rock layers at different depths in a certain area by methods such as mapping, drilling, pit detection, sampling test, geological rocker and the like, wherein the rock layers are rocks which are distributed in the stratum in a layered manner and mainly comprise limestone, argillaceous limestone, shale, granite and the like.

Wherein the operation flow of drilling is as follows: firstly drilling a well with a specific depth at an investigation position through a drilling machine, then taking out the drilling machine, placing a core-taking machine in the well, carrying out core-taking operation on a rock stratum at the bottom through the core-taking machine, taking out the rock core, then placing the drilling machine again, continuing to downwards drill into the next depth to be measured, and then carrying out core-taking operation on the rock stratum to be measured through the core-taking machine.

The following problems mainly exist in the process of carrying out geological exploration by the current drilling equipment: firstly, after the core is got to the drilling equipment, often tear the core through the mode of dragging and take out, this mode can cause the harm to equipment, and drags and destroy the core structure easily to influence the geological survey result, secondly, get the core machine and shift out the back often through the mode of knocking the outer wall of the core machine and discharge the core, this mode troublesome poeration influences the operating efficiency, and strikes and cause the harm to getting the core machine easily, thereby the life of core machine is got in the influence.

Therefore, in order to improve the operation efficiency of the drilling equipment, ensure the core structure and prolong the service life of the device; the invention provides a drilling device for geological exploration.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a drilling equipment for geological survey, includes a coring section of thick bamboo, scaling mechanism, locking unit, cuts the unit and gets the core bit, the middle part of a coring section of thick bamboo be provided with scaling mechanism, the locking unit is installed through sliding fit's mode in the left side of a coring section of thick bamboo, the left side of locking unit is installed through screw-thread fit's mode and is cut the unit, the left side of cutting the unit is installed through screw-thread fit's mode and is got the core bit.

Locking unit include section of thick bamboo post, drum, annular, locating part, annular lug, circular slot, external splines, spline groove, buffering portion, H type groove and fixture, the section of thick bamboo post is installed through sliding fit's mode to the circumference outer wall of coring section of thick bamboo, the outside cover of section of thick bamboo post is equipped with the drum, the circumference outer wall of section of thick bamboo post is provided with the annular No. one, the drum passes through locating part and annular sliding fit, drum inner wall right side is provided with annular lug, the circular slot has been seted up to the right side terminal surface of section of thick bamboo post, and the left side of coring section of thick bamboo is located the circular slot, the left side circumference outer wall of coring section of thick bamboo is provided with external splines, the circumference inner wall of circular slot and the left side terminal surface of annular lug all be provided with external splines complex spline groove, the inside of drum is provided with buffering portion, H type groove has been seted up to the inner wall of section of thick bamboo post, fixture is installed through sliding fit's mode in the H type groove.

Cut the unit and include a spiral shell section of thick bamboo, No. two annular, sleeve, stripping and slicing, pressure spring and drive division, section of thick bamboo post left side install a spiral shell section of thick bamboo through screw-thread fit's mode, No. two annular have been seted up to the right side terminal surface of a spiral shell section of thick bamboo, the through-hole has evenly been seted up to the circumference inner wall of a spiral shell section of thick bamboo, and the through-hole is linked together with No. two annular and spiral shell section of thick bamboo are inside, No. two annular inner walls evenly install the sleeve, and sleeve and through-hole one-to-one, the stripping and slicing that is used for die-cutting is installed through sliding fit's mode in telescopic inside, a pressure spring is installed between a lateral surface that the stripping and slicing was kept away from the spiral shell centre of a circle and the telescopic inner wall, the left side that sliding fit was kept away from the stripping and slicing in the cylinder is installed in the annular, one side that the cutting was kept away from to the sleeve is provided with the drive division.

Preferably, the clamping mechanism comprises a pressing plate, a pushing block, a second pressure spring, an eccentric hole, a pressing rod, a first trapezoidal block, a second trapezoidal block, a compression spring, a notch and a reinforcing member, the pressing plate and the pushing block are both arranged in the H-shaped groove in a sliding fit mode, the pushing block is located on the inner side of the pressing plate, the second pressure spring is arranged between the pressing plate and the pushing block, the eccentric hole is formed in the pushing block, the pressing rod is arranged in the eccentric hole in a sliding fit mode, the first trapezoidal block is arranged on the end face, away from the second pressure spring, of the pressing rod on the right side of the pushing block, the second trapezoidal block is arranged on the end face, close to the second pressure spring, of the pressing rod on the left side of the pushing block, the compression spring is arranged between the left end face of the pressing rod and the H-shaped groove, the right end portion of the pressing rod penetrates through the right side wall of the H-shaped groove and is located inside the circular groove, and the right end face of the pressing rod abuts against the left end face of the coring barrel, the left side of depression bar is provided with the notch, is provided with the reinforcement that is used for consolidating the depression bar in the notch.

Preferably, the reinforcing member comprises a T-shaped block, a chute, a push rod, a baffle, a through groove, a touch block, a release part, a third pressure spring and a reset spring, the T-shaped block is installed in the chute in a sliding fit manner, the chute is arranged on the right side end face of the T-shaped block, the push rod is installed in the middle of the press rod in a sliding fit manner, the left side end face of the push rod is abutted against the chute, the reset spring is arranged on the left side of the push rod, the right side end face of the push rod is higher than the right side end face of the press rod, the right side end face of the push rod is abutted against the left side end face of the core taking barrel, the baffle is arranged on one side of the T-shaped block away from the first trapezoid block, a round hole is formed in the middle of the baffle, one side of the T-shaped block away from the first trapezoid block is installed in the round hole in a sliding fit manner, the through groove is symmetrically formed on the left side and right side of the T-away from the first trapezoid block, the touch block is installed in the through sliding fit manner, and be provided with the pressure spring No. five between conflict piece and the logical inslot wall, one side release of trapezoidal piece is kept away from to T type piece, and install the pressure spring No. three between one side terminal surface and the notch inner wall that trapezoidal piece was kept away from to T type piece.

Preferably, the scaling mechanism include gasbag, arc, casing, air inlet, admission valve and air outlet valve, the circumference inner wall of a coring section of thick bamboo evenly be provided with a plurality of gasbags, a side end face that a coring section of thick bamboo inner wall was kept away from to a plurality of gasbags all is provided with the arc, and is complete circular after a plurality of arcs gathered together, the circumference outer wall of a coring section of thick bamboo is provided with the casing, is provided with the air inlet on the casing, evenly is provided with the admission valve on the circumference outer wall of the inside coring section of thick bamboo of casing, and admission valve and gasbag are linked together, the admission valve between be connected with the trachea, be connected with the air outlet valve on one of them trachea, and the air outlet valve is installed on the casing.

Preferably, the release part comprises a square groove, a pull rod, a connecting rod, a sliding block, a fourth pressure spring, a sliding rod and an inclined block, the square groove is formed in one side end face of the T-shaped block far away from the first trapezoid block, the sliding block is installed in the square groove in a sliding fit mode, one end of the pull rod is installed on one side end face of the abutting block close to the square groove, the other end of the pull rod is located in the square groove, the connecting rod is installed at the end portion of the pull rod in the square groove through a pin shaft, the other end of the connecting rod is installed on one side end face of the sliding block close to the abutting block in a hinged mode, the fourth pressure spring is arranged on one side end face of the sliding block far away from the abutting block, the sliding rod is installed on one side end face of the fourth pressure spring far away from the abutting block, the other end of the sliding rod penetrates through the pressing rod and is located outside the pressing rod, the end face of the sliding rod outside the pressing rod is an inclined plane, the inclined block is arranged on the left side end face of the pushing block far away from the first trapezoid block, and the inclined block is abutted against the sliding rod.

Preferably, the drive division include hole groove, rope, spacing post, Contraband type piece and drive plate, the inner wall of spout is provided with the hole groove, the rope is installed to the inside stripping and slicing terminal surface of sleeve, and another section of rope passes the hole groove and is located No. two annular, and No. two annular rope ends are installed spacing posts, No. two annular drum circumference inner walls evenly are provided with Contraband type pieces along its circumferential direction, and Contraband type piece in install the drive plate through torsional spring and round pin axle, and the drive plate is contradicted with spacing post.

Preferably, the locating part include fixed slot, stopper and bolt, the drum inner wall evenly seted up the fixed slot, install the stopper through sliding fit's mode in the fixed slot, a side end face of keeping away from fixture of stopper is provided with the bolt, and the bolt passes through screw-thread fit's mode and installs on the drum.

Preferably, the buffering part comprises a buffering spring, the buffering spring is mounted on the inner wall of the right side of the cylinder and on the end face of the right side of the annular bump, a flange is arranged on the outer wall of the circumference of the right side of the core taking cylinder, and the flange is located between the two buffering springs.

Preferably, the conflict piece keep away from a side end face of slide bar and conflict piece and keep away from a side end face of spout and all set up a ball, a side end face that the conflict piece is close to the slide bar is the inclined plane.

Preferably, the one side tip that the spiral shell section of thick bamboo was kept away from to the stripping and slicing is the wedge structure, and the stripping and slicing inside is provided with the square mouth, and the square mouth inside has placed No. two balls a plurality of.

The invention has the beneficial effects that: the core taking device controls the attaching state of the core in the core taking barrel and the arc-shaped plate through the scaling mechanism so as to facilitate the core to slide out; thereby realize cuting of rock core through cuting the unit and alleviate the interception rock core and to equipment damage, be convenient for shift out the rock core that cuts from coring barrel through the locking unit.

The distance between the arc-shaped plates is controlled by the air bag through the retraction mechanism, so that the inner diameter of the core barrel is changed, the fit state of the arc-shaped plates and the rock core is changed by expanding the inner diameter of the core barrel, the rock core is conveniently discharged from the core barrel, and the working efficiency of the equipment is improved.

Thirdly, the cutting unit drives the cutting block to perform reciprocating punching on the rock core through the driving part, and the punching effect is improved through the inertial motion of the second ball in the cutting block; thereby be convenient for cut off the core, and then the life of extension equipment guarantees the integrality that the core cut.

And fourthly, the locking unit arranged in the invention extrudes and fixes the core through the clamping mechanism, so that on one hand, the stability of the core in the cutting process is ensured, and on the other hand, the cut core can be moved out of the well along with the device.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a partial cross-sectional view between the cylinder and the column of the present invention.

Fig. 4 is a cross-sectional view of the present invention.

Fig. 5 is a partial enlarged view of the invention at a in fig. 4.

Fig. 6 is a partial cross-sectional view between the barrel and cylinder of the present invention.

FIG. 7 is an enlarged view of the invention at E in FIG. 6

Fig. 8 is a partial enlarged view of the invention at B in fig. 4.

Fig. 9 is a partial enlarged view of the invention at C in fig. 8.

Fig. 10 is an enlarged view of a portion of the invention at D in fig. 9.

In the figure: 1. a core taking barrel; 2. a scaling mechanism; 3. a locking unit; 4. a truncation unit; 5. a coring bit; 30. a cylinder; 31. a cylinder; 32. a first ring groove; 6. a limiting member; 33. an annular projection; 34. a circular groove; 35. an external spline; 36. a spline groove; 7. a buffer section; 37. h-shaped grooves; 8. a clamping mechanism; 40. a screw cylinder; 41. a second ring groove; 42. a sleeve; 43. cutting into blocks; 44. a first pressure spring; 45. a drive section; 80. pressing a plate; 81. a push block; 82. a second pressure spring; 83. an eccentric hole; 84. a pressure lever; 85. a first trapezoid block; 86. a second trapezoidal block; 87. a compression spring; 88. a notch; 9. a reinforcement; 90. a T-shaped block; 91. a chute; 92. a push rod; 93. a baffle plate; 94. a through groove; 95. a contact block; 96. a release member; 97. a third pressure spring; 98. a return spring; 20. an air bag; 21. an arc-shaped plate; 22. a housing; 23. an air inlet; 24. an intake valve; 25. an air outlet valve; 960. a square groove; 961. a pull rod; 962. a connecting rod; 963. a slider; 964. a pressure spring No. four; 965. a slide bar; 966. a sloping block; 450. a hole groove; 451. a rope; 452. a limiting column; 453. model Contraband block; 454. a drive plate; 60. fixing grooves; 61. a limiting block; 62. a bolt; 70. a buffer spring; 71. a flange plate; 10. a first ball; 430. square opening; 431. and a second ball.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

Referring to fig. 1 and 2, including a core barrel 1, a scaling mechanism 2, a locking unit 3, a cut-off unit 4 and a core bit 5, the middle part of the core barrel 1 be provided with the scaling mechanism 2, the locking unit 3 is installed through sliding fit's mode in the left side of the core barrel 1, the cut-off unit 4 is installed through screw-thread fit's mode in the left side of the locking unit 3, the core bit 5 is installed through screw-thread fit's mode in the left side of the cut-off unit 4.

Referring to fig. 1, fig. 2 and fig. 4, the scaling mechanism 2 include gasbag 20, arc 21, casing 22, air inlet 23, admission valve 24 and air outlet valve 25, the circumference inner wall of coring barrel 1 evenly be provided with a plurality of gasbags 20, a side end face that a plurality of gasbags 20 kept away from the inner wall of coring barrel 1 all is provided with arc 21, and is complete circular after a plurality of arcs 21 gather together, the circumference outer wall of coring barrel 1 is provided with casing 22, is provided with air inlet 23 on the casing 22, evenly is provided with admission valve 24 on the circumference outer wall of coring barrel 1 inside casing 22, and admission valve 24 and gasbag 20 are linked together, admission valve 24 between be connected with the trachea, be connected with air outlet valve 25 on one of them trachea, and air outlet valve 25 installs on casing 22.

During specific work, earlier aerify air inlet 23 through outside current inflation equipment such as air compressor, the inside pressure increase of casing 22, gaseous entering gasbag 20 through admission valve 24 this moment in, gasbag 20 is bloated and is made the arc 21 be close to each other and form a whole circle, make the core and the arc 21 laminating of getting into in the core barrel 1, when the core is shifted out to needs, press air outlet valve 25 through the manual work and bleed gasbag 20, arc 21 keeps away from each other this moment, and not contact with the core, thereby the core leans on self gravity to follow the roll-off in this device smoothly.

Referring to fig. 1, 2, 3 and 4, the locking unit 3 includes a barrel column 30, a barrel 31, a first ring groove 32, a limiting member 6, an annular protrusion 33, a circular groove 34, an external spline 35, a spline groove 36, a buffer portion 7, an H-shaped groove 37 and a clamping mechanism 8, the barrel column 30 is installed on the outer circumferential wall of the coring barrel 1 in a sliding fit manner, the barrel column 30 is sleeved outside the barrel column 30, the first ring groove 32 is arranged on the outer circumferential wall of the barrel column 30, the barrel 31 is in a sliding fit with the first ring groove 32 through the limiting member 6, the annular protrusion 33 is arranged on the right side of the inner wall of the barrel 31, the circular groove 34 is arranged on the right end face of the barrel column 30, the left side of the coring barrel 1 is located in the circular groove 34, the outer circumferential wall of the left side of the coring barrel 1 is provided with the external spline 35, the inner circumferential wall of the circular groove 34 and the left end face of the annular protrusion 33 are both provided with the spline groove 36 matched with the external spline 35, the inside of the cylinder 31 is provided with a buffer part 7, the inner wall of the cylinder 30 is provided with an H-shaped groove 37, and the clamping mechanism 8 is arranged in the H-shaped groove 37 in a sliding fit mode.

During specific work, firstly, the air bag 20 is inflated, then the device is placed in a well, the core barrel 1 is pressed downwards through the existing driving device such as a hydraulic power machine and an internal combustion engine, so that the external splines 35 are matched with the spline grooves 36 in the circular grooves 34, then the device applies force downwards to the core barrel 1 through the existing driving device and rotates, rock strata are drilled into the core barrel 1 through the core drill bit 5, after drilling is completed, the core barrel 1 is pulled up for a certain distance through the existing driving device, so that the external splines 35 are matched with the spline grooves 36 in the annular bumps 33, and meanwhile, the clamping mechanism 8 extends out of the H-shaped groove 37 to fix the core.

Referring to fig. 2, 6 and 8, the limiting member 6 includes a fixing groove 60, a limiting block 61 and a bolt 62, the fixing groove 60 is uniformly formed in the inner wall of the cylinder 31, the limiting block 61 is installed in the fixing groove 60 in a sliding fit manner, the bolt 62 is arranged on the end surface of one side of the limiting block 61, which is far away from the clamping mechanism 8, and the bolt 62 is installed on the cylinder 31 in a threaded fit manner; during specific use, firstly, the cylinder 31 is sleeved on the cylinder column 30, then the bolt 62 is manually rotated through a wrench, the bolt 62 can push the limiting block 61 to move into the first annular groove 32, and further the stability of the cylinder 31 is improved.

Referring to fig. 4, the buffering portion 7 includes buffering springs 70, the buffering springs 70 are mounted on the right inner wall of the cylinder 31 and the right end face of the annular protrusion 33, a flange 71 is disposed on the outer circumferential wall of the right side of the core barrel 1, and the flange 71 is located between the two buffering springs 70; during specific work, the buffer spring 70 can slow down the leftward pressing or rightward lifting speed of the coring barrel 1, and damage to components due to collision among the components is avoided.

Referring to fig. 4, 8 and 9, the clamping mechanism 8 includes a pressing plate 80, a pushing block 81, a second pressure spring 82, an eccentric hole 83, a pressing rod 84, a first trapezoidal block 85, a second trapezoidal block 86, a compression spring 87, a notch 88 and a reinforcing member 9, the pressing plate 80 and the pushing block 81 are both installed in the H-shaped groove 37 in a sliding fit manner, the pushing block 81 is located on the inner side of the pressing plate 80, the second pressure spring 82 is installed between the pressing plate 80 and the pushing block 81, the eccentric hole 83 is formed in the pushing block 81, the pressing rod 84 is installed in the eccentric hole 83 in a sliding fit manner, the first trapezoidal block 85 is arranged on one side end surface of the pressing rod 84 on the right side of the pushing block 81, which is far away from the second pressure spring 82, the second trapezoidal block 86 is arranged on one side end surface of the pressing rod 84 on the left side of the pushing block 81, the compression spring 87 is installed between the left side end surface of the pressing rod 84 and the H-shaped groove 37, the right end of the pressure lever 84 penetrates through the right side wall of the H-shaped groove 37 and is located inside the circular groove 34, the right end face of the pressure lever 84 abuts against the left end face of the coring barrel 1, a notch 88 is formed in the left side of the pressure lever 84, and a reinforcing member 9 for reinforcing the pressure lever 84 is arranged in the notch 88.

During specific work, the external splines 35 cooperates with the spline grooves 36 in the annular convex blocks 33, the pressing rod 84 can move along with the coring barrel 1 through the action of the compression spring 87, simultaneously, the second trapezoidal block 86 can conflict with the inner wall of the eccentric hole 83, so that the pushing block 81 moves towards the direction of the core, the pushing block 81 extrudes the second pressure spring 82, the second pressure spring 82 pushes the pressing plate 80 to fix the core, the reinforcing member 9 therein plays a fixing role on the left side of the pressing rod 84, so as to improve the stability in the clamping process, when the external splines 35 cooperate with the spline grooves 36 in the circular groove 34, the coring barrel 1 can push and press the pressing rod 84, the first trapezoidal block 85 can conflict with the inner wall of the eccentric hole 83, so that the pressing plate 80 is far away from the core, and the interference of the core into the coring barrel 1 is avoided.

Referring to fig. 9 and 10, the reinforcing member 9 includes a T-shaped block 90, a chute 91, a push rod 92, a baffle 93, a through groove 94, a collision block 95, a release member 96, a third pressure spring 97 and a return spring 98, the T-shaped block 90 is installed in the notch 88 in a sliding fit manner, the chute 91 is opened on the right end face of the T-shaped block 90, the push rod 92 is installed in the middle of the press rod 84 in a sliding fit manner, the left end face of the push rod 92 abuts against the chute 91, the return spring 98 is arranged on the left side of the push rod 92, the right end face of the push rod 92 is higher than the right end face of the press rod 84, the right end face of the push rod 92 abuts against the left end face of the coring barrel 1, the baffle 93 is arranged on the side of the T-shaped block 90 away from the first trapezoidal block 85, a circular hole is opened in the middle of the baffle 93, one side of the T-shaped block 90 away from the first trapezoidal block 85 is installed in the circular hole in a sliding fit manner, a through groove 94 is symmetrically formed in the left side and the right side of the T-shaped block 90 far away from the first trapezoidal block 85, a contact block 95 is installed in the through groove 94 in a sliding fit mode, a fifth compression spring is arranged between the contact block 95 and the inner wall of the through groove 94, a release piece 96 is arranged on one side of the T-shaped block 90 far away from the first trapezoidal block 85, and a third compression spring 97 is installed between the end face of one side of the T-shaped block 90 far away from the first trapezoidal block 85 and the inner wall of the notch 88; during specific work, the core barrel 1 moves to be matched with the spline groove 36 in the annular convex block 33, meanwhile, the pressing rod 84 is reset and stretched through the compression spring 87, at the moment, the T-shaped block 90 moves towards the pushing block 81, the T-shaped block 90 stretches through the release piece 96 and is abutted against the inner wall of the H-shaped groove 37, and then the left side of the pressing rod 84 is reinforced. When the core barrel 1 moves towards the spline groove 36 in the circular groove 34, since the right end face of the push rod 92 is higher than the right end face of the pressure rod 84, the push rod 92 is firstly pressed to be matched with the inclined groove 91, so that the T-shaped block 90 moves towards the position of the baffle plate 93, and the T-shaped block 90 is fixed in the notch 88 through the contact block 95, and the interference of the pushing and moving of the pressure rod 84 is avoided.

Referring to fig. 8, 9 and 10, the release member 96 includes a square groove 960, a pull rod 961, a connecting rod 962, a sliding block 963, a fourth compression spring 964, a sliding rod 965 and an inclined block 966, an end surface of the T-shaped block 90 away from the one trapezoidal block 85 is provided with the square groove 960, the sliding block 963 is installed in the square groove 960 in a sliding fit manner, one end of the pull rod 961 is installed on an end surface of the contact block 95 close to the square groove 960, the other end of the pull rod 961 in the square groove 960 is located in the square groove 960, the end of the pull rod 961 is installed with the connecting rod 962 through a pin, the other end of the connecting rod 962 is installed on an end surface of the sliding block 963 close to the contact block 95 in a hinged manner, an end surface of the sliding block 963 away from the contact block 95 is provided with the fourth compression spring 964, an end surface of the fourth compression spring 964 away from the contact block 95 is installed with the sliding rod 965, the other end of the sliding rod 965 penetrates through the compression rod 84 and is located outside the compression rod 84, the end face of the sliding rod 965 outside the pressure lever 84 is an inclined plane, an inclined block 966 is arranged on the end face of the left side of the push block 81 far away from the first trapezoid block 85, and the inclined block 966 is abutted to the sliding rod 965;

during specific work, the end part of the left side of the pressure lever 84 moves towards the push block 81 through the compression spring 87, so that the sliding rod 965 is abutted against the inclined block 966, at the moment, the sliding rod 965 moves towards the sliding block 963 and pushes the sliding block 963 to move, the sliding block 963 moves to enable the connecting part of the connecting rod 962 and the pull rod 961 to move inwards, at the moment, the abutting block 95 is pulled into the through groove 94 by the pull rod 961, and the T-shaped block 90 extends out through the action of the third pressure spring 97 to abut against the inner wall of the H-shaped groove 37, so that the left side of the pressure lever 84 is reinforced.

Referring to fig. 10, a first ball 10 is disposed on both an end surface of the abutting block 95 away from the sliding rod 965 and an end surface of the abutting block 95 away from the sliding chute, and an end surface of the abutting block 95 close to the sliding rod 965 is an inclined surface; during specific work, the first ball 10 can reduce friction between the contact block 95 and the T-shaped block 90, so that the contact block 95 is pushed by the sliding rod 965 to slide into the square groove 960, and the inclined surface on the contact block 95 is convenient to push and contract the contact block 95.

Referring to fig. 1, 4 and 5, the cutting unit 4 includes a barrel 40, a second annular groove 41, a sleeve 42, a cutting block 43, a first pressure spring 44 and a driving part 45, the left side of the barrel column 30 is provided with the barrel 40 in a thread fit manner, the right side end face of the barrel 40 is provided with the second annular groove 41, the circumferential inner wall of the barrel 40 is uniformly provided with through holes, the through holes are communicated with the second annular groove 41 and the inside of the barrel 40, the inner wall of the second annular groove 41 is uniformly provided with the sleeve 42, the sleeve 42 corresponds to the through holes one by one, the cutting block 43 for punching is installed in the sleeve 42 in a sliding fit manner, the first pressure spring 44 is installed between the end face of one side of the cutting block 43, which is far away from the center of the barrel 40, and the inner wall of the sleeve 42, the left side of the cylinder 31 is installed in the annular groove in a sliding fit manner, and the driving part 45 is arranged on one side of the sleeve 42, which is far away from the cutting block 43;

when concrete during operation, when core barrel 1 to remove with the spline groove 36 cooperation in the circular slot 34, core barrel 1 rotates through current drive arrangement and drives drive division 45 simultaneously and removes and make a pressure spring 44 do the clearance shrink to the block 43 outwards strikes through the reset action of a pressure spring 44, can die-cut the inside rock core of this device and cut, removes this device from the well drilling through current drive arrangement after the rock core cuts off.

Referring to fig. 4 and 5, the driving part 45 includes a hole groove 450, a rope 451, a limiting post 452, an Contraband type block 453 and a driving plate 454, the inner wall of the sliding groove is provided with the hole groove 450, the end surface of the cutting block 43 inside the sleeve 42 is provided with the rope 451, the other section of the rope 451 passes through the hole groove 450 and is located inside the second annular groove 41, the end of the rope 451 inside the second annular groove 41 is provided with the limiting post 452, the circumferential inner wall of the cylinder 31 inside the second annular groove 41 is uniformly provided with the Contraband type block 453 along the circumferential direction, the driving plate 454 is installed inside the Contraband type block 453 through a torsion spring and a pin shaft, and the driving plate 454 is abutted against the limiting post 452; during specific work, the external splines 35 are matched with the spline grooves 36 in the annular convex blocks 33, the coring barrel 1 rotates through an existing driving device, the driving plate 454 is abutted against the limiting column 452, the limiting column 452 moves along the hole grooves 450 at the moment, meanwhile, the rope 451 pulls the cutting block 43 to move in the sleeve 42 and compress the first pressure spring 44, after the first pressure spring 44 is compressed, the driving plate 454 rotates to one side to separate from the limiting column 452, the cutting block 43 punches the rock core in the coring barrel 1 under the action of the first pressure spring 44 at the moment, the limiting column 452 moves back through the rope 451 to form a part, the driving plate 454 continues to compress the first pressure spring 44, and therefore reciprocating punching of the rock core by the cutting block 43 is achieved.

Referring to fig. 5, the end part of the cutting block 43 away from the screw cylinder 40 is in a wedge-shaped structure, a square opening 430 is formed in the cutting block 43, and a plurality of second balls 431 are placed in the square opening 430; when the cutting block 43 impacts the rock core through the first pressure spring 44, the second ball 431 in the cutting block 43 impacts the cutting block 43 again in the rock core direction due to inertia effect, and therefore the cutting effect of the cutting block 43 on the rock core is improved.

When the device is used for geological exploration and drilling, firstly, the air bag 20 is inflated manually through the existing inflating equipment, so that the arc-shaped plates 21 are close to each other to form a whole circle, then the device is placed into a drill well, the core taking barrel 1 is extruded downwards and rotated through the existing driving device, a core is drilled into the core taking barrel 1 through the core taking drill bit 5, the core with the specified length is drilled and cut off through the cutting unit 4, then the device is taken out, the air bag 20 is deflated manually, the arc-shaped plates 21 are far away from the core, the core falls down by the self gravity, then the core is collected and stored, and then the core is driven into the next exploration depth downwards through the existing drilling machine, and the operation is carried out to drill and sample the next rock stratum depth.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a drilling equipment for geological survey, includes core barrel (1), scaling mechanism (2), locking unit (3), cuts unit (4) and core bit (5), its characterized in that: the core taking device is characterized in that a retraction mechanism (2) is arranged in the middle of the core taking barrel (1), a locking unit (3) is installed on the left side of the core taking barrel (1) in a sliding fit mode, a cutting unit (4) is installed on the left side of the locking unit (3) in a thread fit mode, and a core taking drill bit (5) is installed on the left side of the cutting unit (4) in a thread fit mode; wherein:

the locking unit (3) comprises a barrel column (30), a barrel (31), a first annular groove (32), a limiting piece (6), an annular convex block (33), a circular groove (34), an external spline (35), a spline groove (36), a buffer part (7), an H-shaped groove (37) and a clamping mechanism (8), wherein the barrel column (30) is installed on the outer wall of the circumference of the coring barrel (1) in a sliding fit mode, the barrel column (31) is sleeved outside the barrel column (30), the first annular groove (32) is arranged on the outer wall of the circumference of the barrel column (30), the barrel (31) is in sliding fit with the first annular groove (32) through the limiting piece (6), the annular convex block (33) is arranged on the right side of the inner wall of the barrel (31), the circular groove (34) is formed in the end face of the right side of the barrel column (30), the left side of the coring barrel (1) is located in the circular groove (34), the external spline (35) is arranged on the outer wall of the left side of the coring barrel (1), spline grooves (36) matched with the external splines (35) are formed in the circumferential inner wall of the circular groove (34) and the left end face of the annular convex block (33), a buffer part (7) is arranged inside the cylinder (31), an H-shaped groove (37) is formed in the inner wall of the cylinder column (30), and a clamping mechanism (8) is installed in the H-shaped groove (37) in a sliding fit mode;

the cutting unit (4) comprises a barrel (40), a second annular groove (41), a sleeve (42), a cutting block (43), a first pressure spring (44) and a driving part (45), the barrel (40) is installed on the left side of the barrel column (30) in a thread fit mode, the second annular groove (41) is formed in the end face of the right side of the barrel (40), through holes are uniformly formed in the inner wall of the circumference of the barrel (40), the through holes are communicated with the second annular groove (41) and the barrel (40) internally, the sleeve (42) is uniformly installed on the inner wall of the second annular groove (41), the sleeve (42) corresponds to the through holes one by one, the cutting block (43) used for punching is installed inside the sleeve (42) in a sliding fit mode, the first pressure spring (44) is installed between one side end face, away from the circle center of the barrel (40), of the cutting block (43) and the inner wall of the sleeve (42), the left side of the cylinder (31) is installed in the annular groove in a sliding fit mode, a driving part (45) is arranged on one side of the sleeve (42) far away from the cutting block (43).

2. A drilling apparatus for geological exploration, according to claim 1, characterized in that: the clamping mechanism (8) comprises a pressing plate (80), a pushing block (81), a second pressure spring (82), an eccentric hole (83), a pressing rod (84), a first trapezoidal block (85), a second trapezoidal block (86), a compression spring (87), a notch (88) and a reinforcing piece (9), the pressing plate (80) and the pushing block (81) are installed in an H-shaped groove (37) in a sliding fit mode, the pushing block (81) is located on the inner side of the pressing plate (80), the second pressure spring (82) is installed between the pressing plate (80) and the pushing block (81), the eccentric hole (83) is formed in the pushing block (81), the pressing rod (84) is installed in the eccentric hole (83) in a sliding fit mode, the first trapezoidal block (85) is arranged on the end face, far away from the second pressure spring (82), of the pressing rod (84) on the right side of the pushing block (81), the second trapezoidal block (86) is arranged on the end face, close to the second pressure spring (82), of the pressing rod (84) on the left side of the pushing block (81), install compression spring (87) between the left side terminal surface of depression bar (84) and H type groove (37), the right side tip of depression bar (84) runs through H type groove (37) right side wall and is located inside circular slot (34), and the right side terminal surface of depression bar (84) is contradicted with the left side terminal surface of coring barrel (1), and the left side of depression bar (84) is provided with notch (88), is provided with reinforcement (9) that are used for consolidating depression bar (84) in notch (88).

3. A drilling apparatus for geological exploration, according to claim 2, characterized in that: the reinforcing member (9) comprises a T-shaped block (90), a chute (91), a push rod (92), a baffle plate (93), a through groove (94), a collision block (95), a release member (96), a third pressure spring (97) and a return spring (98), the T-shaped block (90) is installed in the notch (88) in a sliding fit mode, the chute (91) is formed in the right side end face of the T-shaped block (90), the push rod (92) is installed in the middle of the pressure rod (84) in a sliding fit mode, the left side end face of the push rod (92) is collided with the chute (91), the return spring (98) is arranged on the left side of the push rod (92), the right side end face of the push rod (92) is higher than the right side end face of the pressure rod (84), the right side end face of the push rod (92) is collided with the left side end face of the coring barrel (1), the baffle plate (93) is arranged on one side, away from the first ladder-shaped block (85), of the T-shaped block (90), the round hole has been seted up at the middle part of baffle (93), one side that a trapezoidal piece (85) was kept away from in T type piece (90) is installed at the round hole through sliding fit's mode, one side bilateral symmetry that a trapezoidal piece (85) was kept away from in T type piece (90) has seted up logical groove (94), it supports touch multitouch (95) to install through sliding fit's mode in logical groove (94), and be provided with No. five pressure springs between conflict piece (95) and logical groove (94) inner wall, one side release (96) of a trapezoidal piece (85) are kept away from in T type piece (90), install No. three pressure spring (97) between a side end face that a trapezoidal piece (85) was kept away from in T type piece (90) and notch (88) inner wall.

4. A drilling apparatus for geological exploration, according to claim 1, characterized in that: the scaling mechanism (2) comprises an air bag (20), an arc-shaped plate (21), a shell (22), an air inlet (23), an air inlet valve (24) and an air outlet valve (25), a plurality of air bags (20) are uniformly arranged on the circumferential inner wall of the core barrel (1), arc-shaped plates (21) are arranged on the end surfaces of one sides of the air bags (20) far away from the inner wall of the core barrel (1), the arc plates (21) are in a complete round shape after being gathered together, the shell (22) is arranged on the outer circumferential wall of the core taking barrel (1), the shell (22) is provided with an air inlet (23), the outer circumferential wall of the core taking barrel (1) in the shell (22) is uniformly provided with air inlet valves (24), and the air inlet valve (24) is communicated with the air bag (20), an air pipe is connected between the air inlet valve (24), one of the air pipes is connected with an air outlet valve (25), and the air outlet valve (25) is arranged on the shell (22).

5. A drilling apparatus for geological exploration, according to claim 2, characterized in that: the release piece (96) comprises a square groove (960), a pull rod (961), a connecting rod (962), a sliding block (963), a fourth pressure spring (964), a sliding rod (965) and an inclined block (966), the square groove (960) is formed in the end face of one side, away from the trapezoidal block (85), of the T-shaped block (90), the sliding block (963) is installed in the square groove (960) in a sliding fit mode, one end of the pull rod (961) is installed on the end face of one side, close to the square groove (960), of the contact block (95), the other end of the pull rod (961) is located in the square groove (960), the connecting rod (962) is installed at the end portion of the pull rod (961) in the square groove (960) through a pin shaft, the other end of the connecting rod (962) is installed on the end face of one side, close to the contact block (95), of the sliding block (963), the end face of one side, away from the contact block (95), is provided with the fourth pressure spring (964), a sliding rod (965) is installed on the end face of one side, away from the contact block (95), of a fourth pressure spring (964), the other end of the sliding rod (965) penetrates through the pressing rod (84) and is located outside the pressing rod (84), the end face of the sliding rod (965) outside the pressing rod (84) is an inclined plane, an inclined block (966) is arranged on the end face of the left side, away from one side of the trapezoidal block (85), of the push block (81), and the inclined block (966) is abutted to the sliding rod (965).

6. A drilling apparatus for geological exploration, according to claim 1, characterized in that: drive division (45) include hole groove (450), rope (451), spacing post (452), Contraband type piece (453) and drive plate (454), the inner wall of spout is provided with hole groove (450), rope (451) are installed to inside stripping and slicing (43) terminal surface of sleeve (42), another section of rope (451) passes hole groove (450) and is located No. two annular (41), spacing post (452) are installed to rope (451) end in No. two annular (41), drum (31) circumference inner wall in No. two annular (41) evenly is provided with Contraband type piece (453) along its circumferential direction, and install drive plate (454) through torsional spring and round pin axle in Contraband type piece (453), and drive plate (454) contradict with spacing post (452).

7. A drilling apparatus for geological exploration, according to claim 1, characterized in that: locating part (6) including fixed slot (60), stopper (61) and bolt (62), drum (31) inner wall evenly seted up fixed slot (60), install stopper (61) through sliding fit's mode in fixed slot (60), a side end face of keeping away from fixture (8) of stopper (61) is provided with bolt (62), and bolt (62) are installed on drum (31) through screw-thread fit's mode.

8. A drilling apparatus for geological exploration, according to claim 1, characterized in that: the buffering part (7) comprises buffering springs (70), the buffering springs (70) are mounted on the inner wall of the right side of the cylinder (31) and the end face of the right side of the annular bump (33), a flange plate (71) is arranged on the outer wall of the circumference of the right side of the core taking cylinder (1), and the flange plate (71) is located between the two buffering springs (70).

9. A drilling apparatus for geological exploration, according to claim 3, characterized in that: a lateral surface that keeps away from slide bar (965) for touch multitouch (95) and touch multitouch (95) keep away from a lateral surface of spout all set up ball (10), a lateral surface that touch multitouch (95) are close to slide bar (965) is the inclined plane.

10. A drilling apparatus for geological exploration, according to claim 1, characterized in that: one side tip that screw section of thick bamboo (40) was kept away from in stripping and slicing (43) is wedge structure, and stripping and slicing (43) inside is provided with square mouth (430), and square mouth (430) inside has placed No. two balls (431) a plurality of.