CN115788339A - Geotechnical engineering reconnaissance broken rock coring device - Google Patents

Geotechnical engineering reconnaissance broken rock coring device Download PDF

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Publication number
CN115788339A
CN115788339A CN202310052719.9A CN202310052719A CN115788339A CN 115788339 A CN115788339 A CN 115788339A CN 202310052719 A CN202310052719 A CN 202310052719A CN 115788339 A CN115788339 A CN 115788339A
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fixedly connected
coring
core
sliding
rock
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CN202310052719.9A
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CN115788339B (en
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彭文雨
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Beijing Zhonglian Reconnaissance Engineering Technology Co ltd
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Beijing Zhonglian Reconnaissance Engineering Technology Co ltd
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Abstract

The invention discloses a core taking device for investigation of broken rocks in geotechnical engineering, which relates to the technical field of rock core taking and comprises an underframe, a power device, a driving device, an anti-tilting device and core taking equipment, wherein the power device and the anti-tilting device are arranged at the top of the underframe, the driving device and the core taking equipment are respectively arranged at two sides of the power device, the driving device and the core taking equipment are fixedly connected with the power device, the driving device comprises a supporting plate, the side surface of the supporting plate is fixedly connected with the power device, the top of the supporting plate is fixedly connected with a driving motor, and the top of the driving motor is fixedly connected with a water tank. This broken rock coring device of geotechnical engineering investigation reaches and prevents that the coring device from making whole device take place the effect that leans forward at the in-process of drilling down, plays and prevents that the rock fragment from splashing into the device inside and striking the effect on the core at the in-process of coring.

Description

Geotechnical engineering reconnaissance broken rock coring device
Technical Field
The invention relates to the technical field of rock coring, in particular to a broken rock coring device for geotechnical engineering investigation.
Background
Coring is completed through a coring barrel which is connected to the bottom end of a drill rod close to a drill bit, and after a coring cutting head cuts into the stratum, coring can be continuously performed by using the coring barrel and then taken out from the drill rod. The cable coring barrel is used in most places, because a drill rod does not need to be taken out from a well to core in the coring process, and then the coring is continued; on the contrary, the coring barrel is only required to be put into a drill rod, and the coring barrel is automatically locked at the coring position and reaches the bottom of the well for continuous coring.
For the existing rock coring, water is used for cooling the obtained rock core, and water is used once for one-time coring, so that the waste of water resources is caused; in addition, most structures of the coring device are arranged in front of the overall structure, so that the space reserved behind the coring device is too large, the overall structure tends to tilt forwards when the coring device drills downwards for coring, the shape of the core taken out is greatly different from the preset shape, and the whole device can collapse if the core is tilted forwards seriously.
The coring device is taking the inevitable meeting of in-process to the rock core and producing vibrations to cause the piece to splash and strike the core, the piece also can splash into inside the device simultaneously, thereby to the inside wearing and tearing or card shell scheduling problem that causes of device.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: a core taking device for geotechnical engineering investigation of broken rocks comprises an underframe, a power device, a driving device, an anti-tilting device and a core taking device.
The power device and the anti-tilting device are both arranged at the top of the underframe, the driving device and the coring equipment are respectively arranged at two sides of the power device, and the driving device and the coring equipment are both fixedly connected with the power device;
the driving device comprises a supporting plate, the side surface of the supporting plate is fixedly connected with the power device, the top of the supporting plate is fixedly connected with a driving motor, the top of the driving motor is fixedly connected with a water tank, and the surface of the water tank is connected with the coring equipment;
the power device comprises a lead screw, the bottom of the lead screw is fixedly connected to the top of a bottom frame, the surface of the lead screw is connected with a sliding frame in a sliding mode, the surface of the sliding frame is fixedly connected with a supporting plate, a threaded rod is in threaded connection with the center of the sliding frame, the threaded rod rotates to achieve the effect that coring operation can be conducted on rock layers of different heights, a top frame is sleeved on the surface of the threaded rod, the surface of the top frame is fixedly connected to the top of the lead screw, and an elastic rope is arranged at the bottom of the top frame;
the anti-tilting device comprises a sleeve box, the bottom of the sleeve box is fixedly connected to the top of the bottom frame, a force applicator is arranged on the side surface of the sleeve box, a push claw is sleeved on the surface of the force applicator, and a sliding table is fixedly connected to the end surface of the push claw;
the inner part of the sleeve box is provided with a heavy block, and one end of the heavy block, which is far away from the push claw, is provided with a restoring device.
Preferably, coring equipment includes the corer, the top fixedly connected with converter of corer, the fixed surface of converter is connected with even platform, the surface and the play rope looks fixed connection who links the platform, the surface cover of playing the rope is equipped with the support, the top fixed connection of support is in the bottom of roof-rack.
Preferably, the top of the converter is fixedly connected with a water inlet pipe and a water outlet pipe respectively, and one ends of the water inlet pipe and the water outlet pipe far away from the converter are connected with the water tank.
Preferably, the force application device comprises a rotating shaft, the two ends of the rotating shaft are fixedly connected to the through grooves formed in the surface of the sleeve box, the surface of the rotating shaft is fixedly connected with a collet ring, and the inner wall of the collet ring is in sliding connection with the push claws.
Preferably, the recovery device includes the recovering board, the fixed surface of recovering board is connected with the spring, the one end that the recovering board was kept away from to the spring is connected with the chassis, the side fixedly connected with cover joint board of chassis, the inside at cover joint board is established to the recovering board cover, the spout has been seted up on the surface of chassis, the inside of spout is provided with the slider, the one end and the slip table looks fixed connection of chassis are kept away from to the slider.
Preferably, the coring device includes the screw thread post, the surface and the converter looks fixed connection of screw thread post, the surperficial threaded connection of screw thread post has the shell, the inside fixedly connected with bull stick of shell, the surperficial rotation of bull stick is connected with the clamping jaw, the surperficial fixedly connected with of clamping jaw is cored the bag.
Preferably, the bottom of the shell is fixedly connected with an external cutter, the inside of the shell is fixedly connected with a side scraper, the surface of the side scraper is fixedly connected with a support, the support plays a role in supporting the side scraper, and one end, far away from the side scraper, of the support is fixedly connected with an internal cutting device.
Preferably, the inscribe device includes the anticollision shell, thereby wherein the anticollision shell plays and avoids causing the piece to splash and strike the effect on the core at the vibrations of the in-process machine of getting drilling to the core, the top and the support looks fixed connection of anticollision shell, the inside of anticollision shell is provided with the utricule, and wherein the utricule plays and reduces the effect that the anti-leakage net takes place vibrations, the fixed surface of anticollision shell is connected with the anti-leakage net, and wherein the anti-leakage net plays the effect that prevents the piece splash into the device inside, the bottom fixedly connected with internal slicer of anti-leakage net, the inside fixedly connected with slider of anti-leakage net, the slider is kept away from the one end and the utricule looks fixed connection of anti-leakage net.
The invention provides a coring device for broken rocks in geotechnical engineering investigation. The method has the following beneficial effects:
1. this geotechnical engineering reconnaissance broken rock coring device through rotating the threaded rod for core equipment can take place the removal from top to bottom, in order to reach the effect that can carry out the coring operation to the rock layer homoenergetic of co-altitude, and wherein driving motor's start-up makes core equipment take place high-speed rotation, in order to reach the effect of getting the stone core of boring to rock inside.
2. This geotechnical engineering reconnaissance broken rock coring device through opening of water tank valve for rivers in the water tank flow into through the oral siphon and get in the core bag, in order reaching the effect of cooling down the processing to the stone core of just having got, rivers will flow into the water tank again through the outlet pipe afterwards, in order to reach the effect that can cool down once more to next coring operation rivers, reduce the waste of water and the reuse of water.
3. This geotechnical engineering reconnaissance broken rock coring device promotes the pouring weight through the pusher dog for the pouring weight removes in the direction of keeping away from power device, in order to reach the weight that increases the latter half of chassis and reduce the effect of whole device focus, thereby plays and prevents that the coring ware from making the device take place the effect that leans forward at the in-process of boring down.
4. This broken rock coring device of geotechnical engineering reconnaissance carries out the meticulous brill through interior cutter to the core of will getting and cuts, thereby the anticollision shell plays and avoids causing the piece to splash and strike the effect on the core at the vibrations of the in-process machine of getting to the core. The anti-leakage net plays a role of preventing debris from splashing into the device.
5. This geotechnical engineering reconnaissance broken rock coring device, through having the piece to strike on the leak protection net when, fix the slider on the leak protection net surface and will extrude the utricule fixed mutually with it, wherein the utricule is inside to be equipped with non-Newtonian fluid, therefore the utricule will harden and extrude the slider to reach the effect that reduces the emergence vibrations of leak protection net.
6. According to the coring device for the broken rock in the geotechnical engineering investigation, the rock core penetrates through the anti-collision shell and enters the coring bag, and in the process of entering the inner portion of the coring bag, the edge cutter firstly scrapes the whole body of the rock core so as to achieve the effect of removing burrs and chips on the surface of the rock core.
7. This geotechnical engineering reconnaissance broken rock coring device, when entering into through whole core and getting in the core bag and extrude core bag top, fix the clamping jaw at core bag top and will use the bull stick as the centre of a circle and take place to rotate to reach and get the clamp of getting the core bag, prevent that inside core from taking place the effect that drops.
Drawings
FIG. 1 is a schematic structural view of a broken rock coring device for geotechnical engineering investigation according to the present invention;
FIG. 2 is a schematic view of the overall rear view structure of the present invention;
FIG. 3 is a schematic view of the power plant of the present invention;
FIG. 4 is a schematic structural view of the anti-tilt apparatus of the present invention;
FIG. 5 is a schematic view of the force applicator of the present invention;
FIG. 6 is a schematic view of the recovering device of the present invention;
FIG. 7 is a schematic view of the coring apparatus of the present invention;
FIG. 8 is a schematic view of the corer of the present invention;
fig. 9 is a schematic structural diagram of the internal cutting device of the present invention.
In the figure: 1. a chassis; 2. a power plant; 3. a drive device; 4. an anti-tilt device; 5. a coring device; 21. a threaded rod; 22. a top frame; 23. a carriage; 24. a rope bouncing; 25. a screw rod; 31. a water tank; 32. a drive motor; 33. a support plate; 41. a push claw; 42. sleeving a box; 43. a weight block; 44. a recovery device; 45. a force applicator; 46. a sliding table; 451. a claw ring; 452. a rotating shaft; 441. recovering the plate; 442. a spring; 443. sleeving and connecting plates; 444. a slider; 51. a converter; 52. connecting the platforms; 53. a coring device; 54. a water inlet pipe; 55. a water outlet pipe; 56. a support; 531. a threaded post; 532. a rotating rod; 533. a clamping jaw; 534. taking a core bag; 535. edge scrapers; 536. a support; 537. a housing; 538. an internal cutting device; 539. an outer cutter; 5381. a capsule body; 5382. an anti-collision shell; 5383. a slider; 5384. a leakage-proof net; 5385. an internal cutter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
As shown in fig. 1 to 9, the present invention provides a technical solution: a core taking device for investigation of broken rocks in geotechnical engineering comprises an underframe 1, a power device 2, a driving device 3, an anti-tilting device 4 and a core taking device 5, wherein the power device 2 and the anti-tilting device 4 are both arranged at the top of the underframe 1, the driving device 3 and the core taking device 5 are respectively arranged at two sides of the power device 2, and the driving device 3 and the core taking device 5 are both fixedly connected with the power device 2;
the driving device 3 comprises a supporting plate 33, the side surface of the supporting plate 33 is fixedly connected with the power device 2, the top of the supporting plate 33 is fixedly connected with a driving motor 32, the top of the driving motor 32 is fixedly connected with a water tank 31, and the surface of the water tank 31 is connected with the coring equipment 5; through rotating threaded rod 21 for core taking device 5 can take place the removal from top to bottom, in order to reach the effect that can carry out the coring operation to the rock layer homoenergetic of co-altitude, wherein driving motor 32's start-up, make core taking device 5 take place high-speed rotatory, in order to reach the effect of boring the inside stone core of rock.
The power device 2 comprises a screw rod 25, the bottom of the screw rod 25 is fixedly connected to the top of the bottom frame 1, a sliding frame 23 is connected to the surface of the screw rod 25 in a sliding mode, the surface of the sliding frame 23 is fixedly connected with a supporting plate 33, a threaded rod 21 is connected to the center of the sliding frame 23 in a threaded mode, an upper frame 22 is sleeved on the surface of the threaded rod 21, the surface of the upper frame 22 is fixedly connected to the top of the screw rod 25, and an elastic rope 24 is arranged at the bottom of the upper frame 22;
the anti-tilting device 4 comprises a sleeve 42, the bottom fixed connection of the sleeve 42 is at the top of the chassis 1, the side of the sleeve 42 is provided with a force applying device 45, the surface cover of the force applying device 45 is provided with a push claw 41, the end surface fixedly connected with sliding table 46 of the push claw 41, the inside of the sleeve 42 is provided with a weight 43, and one end of the weight 43, far away from the push claw 41, is provided with a restoring device 44.
The coring equipment 5 includes the corer 53, the top fixedly connected with converter 51 of corer 53, the fixed surface of converter 51 is connected with platform 52 even, the surface of platform 52 and play rope 24 looks fixed connection even, the surface cover of playing rope 24 is equipped with support 56, the top fixed connection of support 56 is in the bottom of roof-rack 22, the top of converter 51 is fixedly connected with oral siphon 54 and outlet pipe 55 respectively, the one end that converter 51 was kept away from to oral siphon 54 and outlet pipe 55 is connected with water tank 31. Through opening of the valve of the water tank 31, water flow in the water tank 31 flows into the coring bag 534 through the water inlet pipe 54, so that the effect of cooling treatment on the stone which is just taken out is achieved, and then the water flow flows into the water tank again through the water outlet pipe, so that the effect of cooling the next coring operation water flow again is achieved, and waste of water and reuse of water are reduced.
The force applying device 45 comprises a rotating shaft 452, two ends of the rotating shaft 452 are fixedly connected to a through groove formed in the surface of the sleeve 42, a sleeve claw ring 451 is fixedly connected to the surface of the rotating shaft 452, and the inner wall of the sleeve claw ring 451 is in sliding connection with the push claw 41.
The restoring device 44 comprises a restoring plate 441, the surface of the restoring plate 441 is fixedly connected with a spring 442, one end, away from the restoring plate 441, of the spring 442 is connected with the chassis 1, the side surface of the chassis 1 is fixedly connected with a sleeving plate 443, the restoring plate 441 is sleeved inside the sleeving plate 443, a sliding groove is formed in the surface of the chassis 1, a sliding block 444 is arranged inside the sliding groove, and one end, away from the chassis 1, of the sliding block 444 is fixedly connected with the sliding table 46. The weight 43 is pushed by the pushing claw 41, so that the weight 43 moves in a direction away from the power unit 2, thereby achieving the effects of increasing the weight of the rear half of the base frame 1 and lowering the center of gravity of the entire apparatus, and thus preventing the coring device 53 from tilting forward during the drilling process.
The coring device 53 comprises a threaded column 531, the surface of the threaded column 531 is fixedly connected with the converter 51, the surface of the threaded column 531 is in threaded connection with a shell 537, the inner fixedly connected with rotating rod 532 of the shell 537 is connected with a clamping jaw 533 in a rotating way, the surface fixedly connected with coring bag 534 of the clamping jaw 533 is connected with a coring bag 534, the bottom fixedly connected with outer cutter 539 of the shell 537 is connected with a trimming device 535 in the inner fixedly connected with of the shell 537, the surface fixedly connected with bracket 536 of the trimming device 535 is connected with a cutting edge device, and the bracket 536 is far away from an inner cutting device 538 fixedly connected with one end of the trimming device 535. When the whole core enters the coring bag 534 and extrudes the top of the coring bag 534, the clamping jaw 533 fixed at the top of the coring bag 534 rotates around the rotating rod 532 to clamp the coring bag 534 and prevent the internal core from falling.
The inner cutting device 538 comprises an anti-collision shell 5382, the top of the anti-collision shell 5382 is fixedly connected with a support 536, a bag body 5381 is arranged inside the anti-collision shell 5382, a leakage-proof net 5384 is fixedly connected to the surface of the anti-collision shell 5382, an inner cutter 5385 is fixedly connected to the bottom of the leakage-proof net 5384, a slider 5383 is fixedly connected inside the leakage-proof net 5384, and one end, far away from the leakage-proof net 5384, of the slider 5383 is fixedly connected with the bag body 5381. The core to be drilled is finely drilled by the inner cutter 5385, wherein the impact shell 5382 serves to prevent debris from splashing and impacting on the core due to the vibration of the machine during the drilling of the core. The anti-leakage net 5384 prevents debris from splashing into the device.
When the debris impacts the anti-leakage net 5384, the slider 5383 fixed on the surface of the anti-leakage net presses the capsule 5381 fixed with the anti-leakage net, wherein the non-Newtonian fluid is filled in the capsule 5381, so that the capsule 5381 is hardened and presses the slider 5383, and the effect of reducing the vibration of the anti-leakage net is achieved.
The core enters the coring bladder 534 through the anti-collision shell 5382, and the edge scraper 535 will scrape the entire body of the core first during the process of entering the interior of the coring bladder 534, so as to remove burrs and debris on the surface of the core.
During the use, through rotating threaded rod 21, make coring equipment 5 can take place the removal from top to bottom, in order to reach the effect of coring operation to the rock layer homoenergetic of co-altitude not, wherein driving motor 32's start-up, make coring equipment 5 take place high-speed rotatory, in order to reach the effect of boring the stone core of rock inside, open water tank 31's valve in addition, make rivers in the water tank 31 flow into through oral siphon 54 and get in the core bag 534, in order to reach the effect of cooling down the stone core of just having got, rivers will flow into the water tank again through the outlet pipe afterwards, in order to reach the effect that can lower the temperature once more to next coring operation rivers, reduce the waste of water, and the reuse of water.
The coring device 5 performs coring operation on the rock by downward movement of the sliding frame 23 on the threaded rod 21, wherein the connecting table 52 is connected with the coring device 53 through the converter 51, the connecting table 52 is connected with the elastic rope 24, the downward movement of the coring device 53 pulls the elastic rope 24, the other end of the elastic rope 24 is connected with the sliding table 46, the side surface of the sliding table 46 is fixedly connected with the sliding block 444, and the sliding block 444 slides on the groove formed in the side surface of the chassis 1, so that the sliding table 46 moves towards the power device 2, during the movement of the sliding table 46, the pushing claws 41 fixed on the two sides of the sliding table 46 move along with the sliding table 46, and the pushing claws 41 are sleeved in the sleeve claw ring 451 and can rotate through the rotating shaft, so that the pushing claws 41 can not only rotate along with the movement of the sliding table 46, so that the pushing claws 41 push the weight 43, so that the weight 43 moves away from the power device 2, thereby achieving the effects of increasing the weight of the rear half part of the chassis 1 and reducing the gravity center of the whole device, thereby preventing the weight 53 from returning to the original position 442 of the coring device during the drilling process.
The coring device 53 is rotated by the activation of the driving motor 32, and the outer cutter 539 fixed to the bottom of the outer housing 537 performs rough drilling and cutting of the rock around the core, which is also included therein, and then performs fine drilling and cutting of the core to be taken by the inner cutter 5385, wherein the anti-collision shell 5382 serves to prevent the debris from splashing and impacting on the core due to the vibration of the machine during the core drilling process. The anti-leakage net 5384 serves to prevent debris from splashing into the interior of the device.
When the debris impacts the anti-leakage net 5384, the slider 5383 fixed on the surface of the anti-leakage net presses the capsule 5381 fixed with the anti-leakage net, wherein the non-Newtonian fluid is filled in the capsule 5381, so that the capsule 5381 is hardened and presses the slider 5383, and the effect of reducing the vibration of the anti-leakage net is achieved.
The core passes through the anti-collision shell 5382 and enters the coring bag 534, in the process of entering the core bag 534, the edge scraper 535 firstly scrapes the whole body of the core to remove burrs and debris on the surface of the core, wherein the bracket 536 plays a role in supporting the edge scraper 535, and finally when the whole core enters the coring bag 534 and extrudes the top of the coring bag 534, the clamping jaw 533 fixed at the top of the coring bag 534 rotates by taking the rotating rod 532 as the center of a circle to clamp the coring bag 534 and prevent the internal core from falling.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are not specifically illustrated or described, but are instead contemplated to be practiced in the art by those skilled in the art.

Claims (8)

1. The utility model provides a broken rock coring device of geotechnical engineering reconnaissance, includes chassis (1), power device (2), drive arrangement (3), anti-tilt device (4) and coring equipment (5), its characterized in that: the power device (2) and the anti-tilting device (4) are arranged at the top of the underframe (1), the driving device (3) and the coring equipment (5) are respectively arranged at two sides of the power device (2), and the driving device (3) and the coring equipment (5) are both fixedly connected with the power device (2);
the driving device (3) comprises a supporting plate (33), the side surface of the supporting plate (33) is fixedly connected with the power device (2), the top of the supporting plate (33) is fixedly connected with a driving motor (32), the top of the driving motor (32) is fixedly connected with a water tank (31), and the surface of the water tank (31) is connected with the coring equipment (5);
the power device (2) comprises a screw rod (25), the bottom of the screw rod (25) is fixedly connected to the top of the bottom frame (1), the surface of the screw rod (25) is connected with a sliding frame (23) in a sliding mode, the surface of the sliding frame (23) is fixedly connected with a supporting plate (33), a threaded rod (21) is in threaded connection with the center of the sliding frame (23), a top frame (22) is sleeved on the surface of the threaded rod (21), the surface of the top frame (22) is fixedly connected to the top of the screw rod (25), and an elastic rope (24) is arranged at the bottom of the top frame (22);
the anti-tilting device (4) comprises a sleeve box (42), the bottom of the sleeve box (42) is fixedly connected to the top of the underframe (1), a force applying device (45) is arranged on the side face of the sleeve box (42), a push claw (41) is sleeved on the surface of the force applying device (45), and a sliding table (46) is fixedly connected to the end face of the push claw (41);
a weight (43) is arranged in the sleeve box (42), and a restoring device (44) is arranged at one end, far away from the push claw (41), of the weight (43).
2. The apparatus of claim 1, wherein the coring device is adapted to perform a geotechnical investigation on crushed rock: coring equipment (5) are including coring ware (53), the top fixedly connected with converter (51) of coring ware (53), the fixed surface of converter (51) is connected with even platform (52), the surface of linking platform (52) and play rope (24) looks fixed connection, the surface cover of playing rope (24) is equipped with support (56), the top fixed connection of support (56) is in the bottom of roof-rack (22).
3. The apparatus of claim 2, for the geotechnical engineering investigation of broken rock coring, characterized in that: the top of the converter (51) is fixedly connected with a water inlet pipe (54) and a water outlet pipe (55) respectively, and one ends, far away from the converter (51), of the water inlet pipe (54) and the water outlet pipe (55) are connected with the water tank (31).
4. The apparatus of claim 1, wherein the coring device is adapted to perform a geotechnical investigation on crushed rock: the force applicator (45) comprises a rotating shaft (452), two ends of the rotating shaft (452) are fixedly connected to a through groove formed in the surface of the sleeve box (42), a claw sleeve ring (451) is fixedly connected to the surface of the rotating shaft (452), and the inner wall of the claw sleeve ring (451) is in sliding connection with the push claw (41).
5. The apparatus of claim 1, wherein the coring device is adapted to perform a geotechnical investigation on crushed rock: the restoring device (44) comprises a restoring plate (441), the surface of the restoring plate (441) is fixedly connected with a spring (442), one end of the spring (442), far away from the restoring plate (441), is connected with the chassis (1), the side fixedly connected with sleeving plate (443) of the chassis (1), the inner part of the sleeving plate (443) is sleeved with the restoring plate (441), a sliding groove is formed in the surface of the chassis (1), a sliding block (444) is arranged in the sliding groove, and one end, far away from the chassis (1), of the sliding block (444) is fixedly connected with the sliding table (46).
6. The apparatus of claim 2, for the geotechnical engineering investigation of broken rock coring, characterized in that: coring ware (53) includes screw thread post (531), the surperficial and converter (51) looks fixed connection of screw thread post (531), the surperficial threaded connection of screw thread post (531) has shell (537), the inside fixedly connected with bull stick (532) of shell (537), the surface rotation of bull stick (532) is connected with clamping jaw (533), the fixed surface connection of clamping jaw (533) has coring bag (534).
7. The apparatus of claim 6, wherein the coring device for rock breaking in geotechnical engineering investigation is characterized in that: the outer cutter (539) is fixedly connected to the bottom of the outer shell (537), a scraping device (535) is fixedly connected to the inner portion of the outer shell (537), a support (536) is fixedly connected to the surface of the scraping device (535), and an inner cutting device (538) is fixedly connected to one end, far away from the scraping device (535), of the support (536).
8. The apparatus of claim 7, for the geotechnical engineering investigation of broken rock coring, characterized by: the inner cutting device (538) comprises an anti-collision shell (5382), the top of the anti-collision shell (5382) is fixedly connected with a support (536), a bag body (5381) is arranged inside the anti-collision shell (5382), an anti-leakage net (5384) is fixedly connected to the surface of the anti-collision shell (5382), an inner cutter (5385) is fixedly connected to the bottom of the anti-leakage net (5384), a slider (5383) is fixedly connected to the inside of the anti-leakage net (5384), and one end, far away from the anti-leakage net (5384), of the slider (5383) is fixedly connected with the bag body (5381).
CN202310052719.9A 2023-02-03 2023-02-03 Broken rock coring device of geotechnical engineering reconnaissance Active CN115788339B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116065994A (en) * 2023-03-29 2023-05-05 德州鸿途矿山机械有限公司 Mine rock drilling sampling equipment and sampling method
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CN116291195A (en) * 2023-04-19 2023-06-23 应急管理部国家自然灾害防治研究院 Novel drilling equipment for geotechnical engineering investigation
CN116291195B (en) * 2023-04-19 2023-09-26 应急管理部国家自然灾害防治研究院 Novel drilling equipment for geotechnical engineering investigation

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