CN212428670U - Rope coring system - Google Patents

Abstract

The utility model discloses a rope coring system, including drilling rod and core barrel, still including receiving rope mechanism, lifting rope and the mechanism of coring, the mechanism of coring is including inhaling tight mechanism, mounting bracket, antifriction mechanism, linear position adjustment mechanism and two tight arms of clamp, and linear position adjustment mechanism fixed mounting is at the top of mounting bracket, and antifriction mechanism fixed mounting is in the outer fringe of mounting bracket, and two tight arms of clamp are installed on the mounting bracket, and the bottom of two tight arms of clamp is provided with the claw that colludes that is used for colluding tight spearhead, inhales tight mechanism fixed mounting on the mounting bracket. This core system is got to rope inhales tightly two clamp arms through inhaling tight mechanism, and then presss from both sides tight to the core pipe for when frictional force between drilling rod and the core pipe increases, the core pipe also can not separate with between two clamp arms.

Description

Rope coring system

Technical Field

The utility model relates to an investigation and exploration technical field, concretely relates to rope coring system.

Background

The rope coring is a coring method that the inner pipe and the rock core are extracted from the ground surface from the drill rod by catching a rope system and a fishing tool without lifting the drill after the rock core is filled with the core pipe in the rock drilling, is widely applied to the fields of geological prospecting, coal field exploration and the like, can reduce the time for taking off and taking off a drilling tool, has high mechanization and automation degrees, and reduces the drilling cost.

In the prior art, the wire-line coring has the characteristics of three high and one low, namely high drilling speed, long service life of a diamond bit, high time utilization rate and low labor intensity of workers, so that the wire-line coring is widely applied to the fields of geological prospecting, coal field exploration and the like. In the whole set of drilling tool, the drill rod is the most important and the highest value, the quality of the drill rod is directly related to the exertion of the advantages of the wire-line core drilling, and the drilling tool is also of great importance for the accurate acquisition of geological data and the control of the drilling cost.

Chinese patent application No. CN2019102934850 in the prior art discloses a wire-line coring and fishing system and method for a subsea drilling machine, which comprises a winch, a fishing line, a power head frame and a fisher. Therefore, the rock core pipe is fished, lifted and released only by controlling the winch to be in different states, extra manual intervention is not needed, remote control operation is facilitated, and the rock core pipe can be well adapted to coring. However, we see that the method separates the large-diameter head from the salvage hook through the pulling force, if the friction force between the drill rod and the core barrel is increased, the pulling force of the core barrel on the salvage hook is increased, so that the core barrel has the risk of being separated from the salvage hook, if the core barrel is separated from the salvage hook, the core barrel needs to be salvaged again, and if the drill rod is in an inclined state, a very high friction force is generated between the lifting rope and the drill rod, and the lifting rope is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved rope coring system for rock exploration, which comprises a drill rod and a core barrel, wherein the core barrel is arranged at the bottom of the inner side of the drill rod, the top of the core barrel is provided with a spearhead, the improved rope coring system also comprises a rope collecting mechanism, a lifting rope and a core fetching mechanism, the rope collecting mechanism is fixedly arranged on the ground surface, one end of the lifting rope is in transmission connection with the rope collecting mechanism, the other end of the lifting rope is in fixed connection with the core fetching mechanism, the core fetching mechanism comprises a suction mechanism, a mounting frame, an antifriction mechanism, a linear position adjusting mechanism and two clamping arms, the linear position adjusting mechanism is fixedly arranged at the top of the mounting frame, the mounting frame is arranged in the drill rod, the antifriction mechanism is fixedly arranged on the outer edge of the mounting frame, the outer edge of the antifriction mechanism is in sliding connection with the inner surface of the drill rod, the two clamping arms are arranged on the mounting frame, and the, the middle parts of the two clamping arms are hinged with the mounting frame, the bottom parts of the two clamping arms penetrate through the mounting frame, the bottom parts of the two clamping arms are provided with hook claws used for hooking the spearhead tightly, the suction mechanism is fixedly mounted on the mounting frame and located at the top part between the two clamping arms, and the suction mechanism is in transmission connection with the two clamping arms.

Further, inhale tight mechanism and include fixed sleeve, two electro-magnets, connecting plate and magnet, two magnet respectively fixed mounting at the top of two tight arms of clamp, and the same electrode of two magnets is located one side that is close to each other, and fixed sleeve is located between two magnets, and two electro-magnets fixed mounting are at fixed sleeve's both ends, two connecting plates and fixed sleeve's outer fringe fixed connection, and two fixed sleeve all pass through diaphragm and mounting bracket fixed connection.

Further, the mounting bracket includes the apical ring, the bottom ring, wear axle and two arc boards, the apical ring, arc board and bottom ring from the top down distribute gradually, and the apical ring, arc board and bottom ring coaxial line set up, the top of two arc boards and the bottom fixed connection of apical ring, the bottom of two arc boards and the top fixed connection of bottom ring, and two arc boards are the symmetry setting along the central longitudinal section of apical ring, the one end of wearing the axle passes two and presss from both sides tight arm, and wear the axle and press from both sides tight arm rotation connection, and wear the equal fixed mounting in both ends of axle on the inner edge of bottom ring, still be provided with two fender rings in the outer fringe of wearing the axle, the inboard of two fender rings is laminated with the outside of two clamp arms, the periphery wall and the antifriction mechanism fixed connection of apical ring, line position adjustment mechanism fixed mounting is at the top of apical ring, diaphragm and arc board fixed connection.

Further, antifriction mechanism includes four gyro wheel seats and gyro wheel, four equal fixed mounting of gyro wheel seat are on the periphery wall of apical ring, and four gyro wheel seats along the circumferencial direction evenly distributed of apical ring, four gyro wheels are installed respectively on four gyro wheel seats, every gyro wheel seat all includes the curb plate, the screw, nut and two bearings, two bearings are installed in the gyro wheel, two curb plates are located the outside of two bearings, and the inboard of two curb plates is contradicted with two bearings, two curb plates all with the periphery wall fixed connection of apical ring, the screw thread end of screw passes two curb plates and bearing and meshes with the nut, the nut is close to one side of screw and is contradicted with the curb plate.

Further, line position adjustment mechanism includes canceling release mechanical system, hinder the ring, circular arm-tie, four horizontal plates and vertical slat, it is located the apical ring to hinder the ring, the inboard of four horizontal plates and the periphery wall fixed connection who hinders the ring, the outside bottom fixed connection of the top of four vertical slats and four horizontal plates, the bottom of four vertical slats and the periphery wall fixed connection of apical ring, circular arm-tie is located the inboard of four vertical slats, and the top of circular arm-tie and the one end fixed connection of lifting rope, canceling release mechanical system fixed mounting is at the top of apical ring, and canceling release mechanical system's top and the bottom fixed connection of circular arm-tie.

Furthermore, the resetting mechanism comprises a pull column, four pull plates and tension springs, the top of the pull column is fixedly connected with the bottom of the circular pull plate, the four pull plates are positioned on four sides of the pull column, the bottoms of the four pull plates are fixedly connected with the top of the top ring, one side of each tension spring is fixedly connected with one pull plate, and the other side of each tension spring is fixedly connected with one side of the pull column.

Furthermore, all fixedly on two tight arms of clamp be provided with the limiting plate, and two limiting plates are located the inboard of two tight arms of clamp, and two limiting plates are mutual symmetry setting.

Further, receive rope mechanism and include actuating mechanism, the bottom plate, the rod seat, spacing ring and rolling wheel, bottom plate fixed mounting is on the earth's surface, the pivot is located the top of bottom plate, two rod seats are installed in the pivot, and the top fixed connection of the bottom of two rod seats and bottom plate, rolling wheel fixed mounting is in the pivot, and the rolling wheel is located between two rod seats, two spacing rings are located the outside of rolling wheel, and one side of every spacing ring is contradicted with the rolling wheel, the opposite side and the rod seat of every spacing ring are contradicted, actuating mechanism is connected with the pivot transmission.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1) the utility model discloses a core system is got to rope inhales tightly two tight arms of clamp through inhaling tight mechanism, and then presss from both sides tightly the core pipe for when the frictional force between drilling rod and the core pipe increases, the core pipe also can not with two tight arms of clamp between the separation.

2) When the drill rod is in an inclined state, the lifting rope is adjusted through the linear position adjusting mechanism, so that the friction force between the lifting rope and the drill rod is reduced, and the damage to the lifting rope is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below.

Fig. 1 is a schematic structural view of a rope coring system of the present invention;

fig. 2 is a schematic view of a partial structure of the rope coring system of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a partial enlarged view of FIG. 2 at B;

fig. 5 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 6 is a schematic view of a partial three-dimensional structure of the present invention;

FIG. 7 is a schematic perspective view of the mounting bracket;

FIG. 8 is a schematic perspective view of the friction reducing mechanism;

fig. 9-10 are schematic structural views of the linear position adjusting mechanism.

The meanings of the reference symbols in the figures are as follows:

1. a clamp arm; 1a, hooking claws;

2. a suction mechanism; 2a, an electromagnet; 2b, fixing the sleeve; 2c, a connecting plate; 2d, a transverse plate; 2e, a magnet;

3. a mounting frame; 3a, a top ring; 3b, a bottom ring; 3c, arc plates; 3d, penetrating a shaft; 3e, a baffle ring;

4. an antifriction mechanism; 4a, a roller; 4b, side plates; 4c, screws; 4d, a nut; 4e, a bearing;

5. a lifting rope;

6. a linear position adjusting mechanism; 6a, a reset mechanism; 6a1, tension spring; 6a2, a pulling plate; 6a3, pull columns; 6b, a resistance ring; 6c, a circular pulling plate; 6d, a transverse batten; 6e, vertical bar plates;

7. a rope retracting mechanism; 7a, a driving mechanism; 7a1, large pulley; 7a2, small pulley; 7a3, speed reducer; 7a4, a driving motor 7b, a bottom plate; 7c, a stick seat; 7d, a limiting ring; 7e, a winding wheel; 7f, a rotating shaft;

8. a core barrel; 8a, spearhead;

9. a drill stem;

10. and a limiting plate.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 10, the rope coring system for rock exploration of the exemplary embodiment includes a drill rod 9 and a core barrel 8, the core barrel 8 is located at the bottom of the inner side of the drill rod 9, and the top of the core barrel 8 is provided with a spearhead 8 a. The rope coring system as shown also includes a rope takeup mechanism 7, a lifting rope 5 and a coring mechanism. Generally, receive rope mechanism 7 fixed mounting on the earth's surface, the one end and the receipts rope mechanism 7 transmission of lifting rope 5 are connected, the other end and the mechanism fixed connection of coring of lifting rope 5.

The core-taking mechanism comprises two clamping arms 1, a suction mechanism 2, a mounting frame 3, an antifriction mechanism 4 and a linear position adjusting mechanism 6.

The line position adjusting mechanism 6 is fixedly arranged at the top of the mounting frame 3, and the mounting frame 3 is positioned in the drill rod 9.

The antifriction mechanism 4 is fixedly mounted on the outer edge of the mounting frame 3, and the outer edge of the antifriction mechanism 4 is slidably connected with the inner surface of the drill rod 9. Two clamping arms 1 are mounted on a mounting frame 3.

The two clamping arms 1 are in a cross shape, the middle parts of the two clamping arms 1 are hinged with the mounting rack 3, the bottom parts of the two clamping arms 1 penetrate through the mounting rack 3, and the bottom parts of the two clamping arms 1 are provided with hooks 1a for hooking the spearhead 8 a.

The tightening mechanism 2 illustrated in the figures is fixedly mounted on a mounting frame 3, the tightening mechanism 2 is located at the top between the two clamping arms 1, and the tightening mechanism 2 is in transmission connection with the two clamping arms 1. When the core barrel 8 in the drill rod 9 needs to be taken out, the core taking mechanism is firstly plugged into the drill rod 9, the rope winding mechanism 7 is controlled to move, the lifting rope 5 wound on the rope winding mechanism 7 is released, the core taking mechanism slides down along the inner wall of the drill rod 9, and in the process of sliding down again, the contact area between the inner wall of the drill rod 9 and the core taking mechanism is reduced through the action of the antifriction mechanism 4, and the damage of the core taking mechanism to the drill rod 9 is reduced.

So, when moving to the bottom of drilling rod 9, the bottom of two clamp arm 1 is conflict spearhead 8a earlier, and two clamp arm 1 are pushed open because of the effect of conflict for the collude 1a card on two clamp arm 1 is in the bottom of spearhead 8a, and rethread is inhaled tight mechanism 2, and then is made to inhale tight mechanism 2 and is inhaled tight the top of two clamp arm 1, and then makes collude spearhead 8a to collude with collude 1a on two clamp arm 1. And controlling the rope winding mechanism 7 to perform a winding motion, and further enabling the rope winding mechanism 7 to wind the lifting rope 5. Because the drilling rod 9 often is the state of slope, the lifting rope 5 will contact in drilling rod 9 for lifting rope 5 and drilling rod 9 can produce great frictional force, adjust lifting rope 5 and mounting bracket 3 hookup location through line position adjustment mechanism 6, avoid upwards producing great frictional force at the in-process lifting rope 5 that stimulates and drilling rod 9.

As shown in fig. 1 to 7, the tightening mechanism 2 includes a fixed sleeve 2b, two electromagnets 2a, a connecting plate 2c, and a magnet 2 e. The magnets 2e are respectively and fixedly arranged at the tops of the two clamping arms 1, the same electrodes of the two magnets 2e are positioned at one side close to each other, and the fixed sleeve 2b is positioned between the two magnets 2 e. Two electro-magnets 2a fixed mounting are at fixed sleeving 2 b's both ends, two connecting plates 2c and fixed sleeving 2 b's outer fringe fixed connection, and two fixed sleeving 2b all through diaphragm 2d and mounting bracket 3 fixed connection.

Thus, when the clamping arm 1 is required to hook the spearhead 8a, the two electromagnets 2a are respectively attracted to the two magnets 2e by electrifying the electromagnets 2a, so that the tops of the two clamping arms 1 are close to each other, and the hook claws 1a at the bottoms of the two clamping arms 1 hook the spearhead 8 a. At this time, the fixing sleeve 2b fixes the two electromagnets 2a, and the fixing sleeve 2b is fixed to the mounting frame 3 via the connecting plate 2c and the transverse plate 2 d.

The mounting frame 3 shown in connection with fig. 7 comprises a top ring 3a, a bottom ring 3b, a through shaft 3d and two arc plates 3 c. The top ring 3a, the arc plates 3c and the bottom ring 3b are distributed from top to bottom in sequence, the top ring 3a, the arc plates 3c and the bottom ring 3b are coaxially arranged, and the tops of the two arc plates 3c are fixedly connected with the bottom of the top ring 3 a.

The bottoms of the two arc plates 3c are fixedly connected with the top of the bottom ring 3b, and the two arc plates 3c are symmetrically arranged along the central longitudinal section of the top ring 3 a.

One end of the penetrating shaft 3d penetrates through the two clamping arms 1, the penetrating shaft 3d is rotatably connected with the two clamping arms 1, two ends of the penetrating shaft 3d are fixedly mounted on the inner edge of the bottom ring 3b, two retaining rings 3e are further arranged on the outer edge of the penetrating shaft 3d, and the inner sides of the two retaining rings 3e are attached to the outer sides of the two clamping arms 1.

The periphery wall and the antifriction mechanism 4 fixed connection of apical ring 3a, linear position adjustment mechanism 6 fixed mounting is at the top of apical ring 3a, diaphragm 2d and arc 3c fixed connection. Through wearing axle 3d for two press from both sides tight arm 1 and can the pivoted install on mounting bracket 3, rethread fender ring 3e carries on spacingly to two press from both sides tight arm 1, is the symmetry setting through two arc boards 3c, and then has played sufficient activity space for pressing from both sides tight arm 1's rotation.

The anti-friction mechanism 4 of the example shown in fig. 8 includes four roller seats and rollers 4a, the four roller seats are fixedly mounted on the outer circumferential wall of the top ring 3a, the four roller seats are uniformly distributed along the circumferential direction of the top ring 3a, and the four rollers 4a are respectively mounted on the four roller seats.

Preferably, each roller seat comprises a side plate 4b, a screw 4c, a nut 4d and two bearings 4e, the two bearings 4e are installed in the roller 4a, the two side plates 4b are located at the outer sides of the two bearings 4e, the inner sides of the two side plates 4b are abutted against the two bearings 4e, the two side plates 4b are fixedly connected with the outer peripheral wall of the top ring 3a, the threaded end of the screw 4c penetrates through the two side plates 4b and the bearings 4e and is meshed with the nut 4d, and one side of the nut 4d, which is close to the screw 4c, is abutted against the side plate 4 b. The four rollers 4a are in contact with the inner wall of the drill rod 9, damage to the drill rod 9 is reduced, the inner rollers 4a can roll on the screws 4c, and damage to the drill rod 9 is further reduced.

The line position adjusting mechanism 6 comprises a resetting mechanism 6a, a resistance ring 6b, a circular pull plate 6c, a transverse strip plate 6d and a vertical strip plate 6e, wherein the resistance ring 6b is positioned right above the top ring 3a, the inner sides of the four transverse strip plates 6d are fixedly connected with the outer peripheral wall of the resistance ring 6b, the tops of the four vertical strip plates 6e are fixedly connected with the outer bottom of the four transverse strip plates 6d, and the bottoms of the four vertical strip plates 6e are fixedly connected with the outer peripheral wall of the top ring 3 a.

In the figure, the circular pulling plate 6c is located at the inner side of the four vertical plates 6e, and the top of the circular pulling plate 6c is fixedly connected with one end of the lifting rope 5.

The resetting mechanism 6a is fixedly arranged at the top of the top ring 3a, and the top of the resetting mechanism 6a is fixedly connected with the bottom of the circular pulling plate 6 c.

Therefore, in combination with the figure, the lifting rope 5 pulls the circular pulling plate 6c to enable the circular pulling plate 6c to be abutted against the resistance ring 6b, and then the circular pulling plate 6c drives the core-taking mechanism to move upwards. At this moment, when drilling rod 9 is vertical state, through canceling release mechanical system 6a for circular arm-tie 6c keeps original position state, and when drilling rod 9 was the tilt state, lifting rope 5 and the friction of drilling rod 9 made lifting rope 5 drive circular arm-tie 6c and moved, and then changed circular arm-tie 6 c's position, and then reduced the frictional force of lifting rope 5 and drilling rod 9 inner wall.

Referring to the drawings, preferably, the reset mechanism 6a includes a pull post 6a3, a pull plate 6a2 and a tension spring 6a 1. The top of the pull column 6a3 is fixedly connected with the bottom of the circular pull plate 6c, the four pull plates 6a2 are positioned at the four sides of the pull column 6a3, the bottoms of the four pull plates 6a2 are fixedly connected with the top of the top ring 3a, one side of each tension spring 6a1 is fixedly connected with one pull plate 6a2, and the other side is fixedly connected with one side of the pull column 6a 3. The pull column 6a3 is pulled to keep the center position by the pulling force of the four tension springs 6a1, and the position of the circular pull plate 6c connected to the pull column 6a3 is ensured.

Preferably, the two clamping arms 1 are both fixedly provided with a limiting plate 10, the two limiting plates 10 are located at the inner sides of the two clamping arms 1, and the two limiting plates 10 are symmetrically arranged. Through two limiting plates 10, and then carry on spacingly to two clamping arm 1, avoid magnet 2e and electro-magnet 2a to take place the collision damage.

Referring to fig. 9-10, the rope winding mechanism 7 includes a driving mechanism 7a, a bottom plate 7b, a stick base 7c, a limiting ring 7d and a winding wheel 7 e. The bottom plate 7b is fixedly installed on the ground surface, the rotating shaft 7f is located above the bottom plate 7b, the two stick seats 7c are installed on the rotating shaft 7f, and the bottoms of the two stick seats 7c are fixedly connected with the top of the bottom plate 7 b.

The winding wheel 7e is fixedly installed on the rotating shaft 7f, the winding wheel 7e is located between the two rod seats 7c, the two limiting rings 7d are located on the outer sides of the winding wheel 7e, one side of each limiting ring 7d is abutted against the winding wheel 7e, and the other side of each limiting ring 7d is abutted against the rod seat 7 c.

The driving mechanism 7a is in transmission connection with the rotating shaft 7 f. Drive pivot 7f through actuating mechanism 7a and rotate, and then make pivot 7f drive rolling wheel 7e and rotate, and then roll up lifting rope 5, play the effect of support to pivot 7f through rod seat 7c, play spacing effect through spacing ring 7d to rolling wheel 7 e.

Alternatively, the drive mechanism employs a motor drive mechanism. The drive mechanism 7a shown in connection with fig. 9 to 10 includes a large pulley 7a1, a small pulley 7a2, a speed reducer 7a3, and a drive motor 7a 4. The large belt wheel 7a1 is fixedly installed on the rotating shaft 7f, the driving motor 7a4 is fixedly installed on the 7a, the speed reducer 7a3 is fixedly installed on the driving motor 7a4, the input end of the speed reducer 7a3 is connected with the output end of the driving motor 7a4, the output end of the speed reducer 7a3 is fixedly connected with the small belt wheel 7a2, and the small belt wheel 7a2 is in transmission connection with the large belt wheel 7a1 through a belt. Therefore, the motor 7a 4-the speed reducer 7a3 can drive the small belt wheel 7a 2-the large belt wheel 7a1 to rotate, and the large belt wheel 7a1 drives the rotating shaft 7f to rotate.

With the above embodiments and the accompanying drawings, the present invention provides a wire coring system, which has the following specific working principle and process:

1) when the core barrel 8 in the drill rod 9 needs to be taken out, the core taking mechanism firstly enters the drill rod 9, then the driving motor 7a4 is controlled to rotate reversely, so that the lifting rope 5 wound on the winding wheel 7e is released, the core taking mechanism slides downwards along the inner wall of the drill rod 9, and in the process of sliding downwards, the core taking mechanism is in contact with the inner wall of the drill rod 9 through the roller 4 a;

2) when moving to the bottom of the drill rod 9, the bottom of the two gripping arms 1 first abuts against the spearhead 8a, the two clamping arms 1 are pushed open by the action of the interference force, so that the claws 1a of the two clamping arms 1 are clamped at the bottom of the spearhead 8a, and then through the electromagnet 2a, the magnets 2e at the tops of the two clamping arms 1 are attracted tightly, so that the hook claws 1a on the two clamping arms 1 hook the spearhead 8a tightly, the driving motor 7a4 is controlled to rotate forwards to drive the rotating shaft 7f to rotate, so that the rotating shaft 7f drives the winding wheel 7e to rotate, and further the lifting rope 5 is wound, so that the core-taking mechanism drives the core barrel 8 to move upwards along the drill rod 9, the round pulling plate 6c is pulled by the lifting rope 5, and then make circular arm-tie 6c contradict with hindering ring 6b, and then make circular arm-tie 6c drive the mechanism upward movement of coring: wherein, when drilling rod 9 is vertical state, stimulate the post-pulling 6a3 through four extension springs 6a1, make circular arm-tie 6c keep original position state, when drilling rod 9 is the tilt state, lifting rope 5 will produce frictional force with drilling rod 9, make drilling rod 9 contradict lifting rope 5, and then make lifting rope 5 drive circular arm-tie 6c and move, and then change circular arm-tie 6 c's position, and then reduce the frictional force of lifting rope 5 and drilling rod 9 inner wall, avoid upwards producing great frictional force at the in-process lifting rope 5 of pulling with drilling rod 9.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims (9)

1. The rope coring system is characterized by comprising a drill rod (9) and a core barrel (8), wherein the core barrel (8) is positioned at the bottom of the inner side of the drill rod (9), the top of the core barrel (8) is provided with a spearhead (8a), and the rope coring system further comprises a rope winding mechanism (7), a lifting rope (5) and a coring mechanism;

the telescopic rope winding mechanism (7) is fixedly arranged on the ground surface, one end of the lifting rope (5) is in transmission connection with the rope winding mechanism (7), and the other end of the lifting rope (5) is fixedly connected with the core taking mechanism;

the core taking mechanism comprises a suction mechanism (2), a mounting frame (3), an antifriction mechanism (4), a linear position adjusting mechanism (6) and two clamping arms (1), the linear position adjusting mechanism (6) is fixedly installed at the top of the mounting frame (3), the mounting frame (3) is located in a drill rod (9), the antifriction mechanism (4) is fixedly installed on the outer edge of the mounting frame (3), the outer edge of the antifriction mechanism (4) is in sliding connection with the inner surface of the drill rod (9), the two clamping arms (1) are installed on the mounting frame (3), the two clamping arms (1) are in a cross fork shape, the middle parts of the two clamping arms (1) are hinged to the mounting frame (3), the bottoms of the two clamping arms (1) penetrate through the mounting frame (3), and the bottoms of the two clamping arms (1) are provided with hook claws (1a) for hooking spearheads (8 a);

inhale tight mechanism (2) fixed mounting on mounting bracket (3), inhale tight mechanism (2) and be located the top between two tight arms (1), just inhale tight mechanism (2) and be connected with two tight arms (1) transmission.

2. The rope coring system of claim 1, wherein the tightening mechanism (2) comprises a fixed sleeve (2b), two electromagnets (2a), a connecting plate (2c) and magnets (2e), the two magnets (2e) are respectively and fixedly mounted on the tops of the two clamping arms (1), the same electrodes of the two magnets (2e) are located on one side close to each other, the fixed sleeve (2b) is located between the two magnets (2e), the two electromagnets (2a) are fixedly mounted at two ends of the fixed sleeve (2b), and the two fixed sleeves (2b) are both fixedly connected with the mounting frame (3) through a transverse plate (2 d).

3. The rope coring system of claim 2, wherein the mounting bracket (3) comprises a top ring (3a), a bottom ring (3b), a through shaft (3d) and two arc plates (3c), the top ring (3a), the arc plates (3c) and the bottom ring (3b) are sequentially distributed from top to bottom, and the top ring (3a), the arc plates (3c) and the bottom ring (3b) are coaxially arranged.

4. The rope coring system of claim 3, wherein the top of the two arc plates (3c) are fixedly connected with the bottom of the top ring (3a), the bottom of the two arc plates (3c) are fixedly connected with the top of the bottom ring (3b), and the two arc plates (3c) are symmetrically arranged along the central longitudinal section of the top ring (3 a);

one end of the penetrating shaft (3d) penetrates through the two clamping arms (1), the penetrating shaft (3d) is rotatably connected with the two clamping arms (1), two retaining rings (3e) are further arranged on the outer edge of the penetrating shaft (3d), and the inner sides of the two retaining rings (3e) are attached to the outer sides of the two clamping arms (1);

the peripheral wall of the top ring (3a) is connected with the antifriction mechanism (4), the linear position adjusting mechanism (6) is fixedly installed at the top of the top ring (3a), and the transverse plate (2d) is fixedly connected with the arc plate (3 c).

5. Rope coring system according to claim 4, wherein the antifriction mechanism (4) comprises four roller seats and rollers (4a), the four roller seats being fixedly mounted on the peripheral wall of the top ring (3a) and being evenly distributed along the circumferential direction of the top ring (3a), the four rollers (4a) being mounted on the four roller seats, respectively.

6. Rope coring system according to claim 5, wherein the roller seats each comprise a side plate (4b) and two bearings (4e), the two bearings (4e) being mounted inside the roller (4a), the two side plates (4b) being located outside the two bearings (4 e);

the two side plates (4b) are fixedly connected with the outer peripheral wall of the top ring (3 a).

7. The rope coring system of claim 4, wherein the wire position adjustment mechanism (6) comprises a return mechanism (6a), a resistance ring (6b), a circular pull plate (6c), a cross plate (6d), and a vertical plate (6 e);

the resistance ring (6b) is positioned right above the top ring (3 a);

the inner sides of the four cross strips (6d) are fixedly connected with the outer peripheral wall of the stop ring (6 b);

the tops of the four vertical strips (6e) are fixedly connected with the bottoms of the outer sides of the four transverse strips (6d), the bottoms of the four vertical strips (6e) are fixedly connected with the outer peripheral wall of the top ring (3a), and the circular pulling plate (6c) is positioned on the inner sides of the four vertical strips (6 e);

the top of the circular pulling plate (6c) is fixedly connected with one end of the lifting rope (5), the resetting mechanism (6a) is fixedly installed at the top of the top ring (3a), and the top of the resetting mechanism (6a) is fixedly connected with the bottom of the circular pulling plate (6 c).

8. The rope coring system of claim 7, wherein the resetting mechanism (6a) comprises a pull column (6a3), pull plates (6a2) and tension springs (6a1), the top of the pull column (6a3) is fixedly connected with the bottom of the circular pull plate (6c), four pull plates (6a2) are positioned at four sides of the pull column (6a3), the bottoms of the four pull plates (6a2) are fixedly connected with the top of the top ring (3a), one side of each tension spring (6a1) is fixedly connected with one pull plate (6a2), and the other side of each tension spring is fixedly connected with one side of the pull column (6a 3).

9. The rope coring system as set forth in claim 6, wherein the two clamping arms (1) are each fixedly provided with a limiting plate (10), the two limiting plates (10) are located inside the two clamping arms (1), and the two limiting plates (10) are arranged symmetrically to each other.

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