CN115788339B - Broken rock coring device of geotechnical engineering reconnaissance - Google Patents
Broken rock coring device of geotechnical engineering reconnaissance Download PDFInfo
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- CN115788339B CN115788339B CN202310052719.9A CN202310052719A CN115788339B CN 115788339 B CN115788339 B CN 115788339B CN 202310052719 A CN202310052719 A CN 202310052719A CN 115788339 B CN115788339 B CN 115788339B
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Abstract
The invention discloses a broken rock coring device for geotechnical engineering investigation, which relates to the technical field of rock coring and comprises a chassis, a power device, a driving device, an anti-tilting device and coring equipment, wherein the power device and the anti-tilting device are arranged at the top of the chassis, the driving device and the coring equipment are respectively arranged at two sides of the power device, the driving device and the coring 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. The broken rock coring device for geotechnical engineering investigation achieves the effect of preventing the coring device from inclining forwards in the process of tripping, and plays a role of preventing rock fragments from splashing into the device and striking the rock core in the process of coring.
Description
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
The coring is completed through a coring barrel, the traditional coring barrel is connected to the drill rod near the bottom end of the drill bit, and after the coring cutting head cuts into stratum, the coring barrel can be used for continuous coring and then taken out from the drill rod. A cable coring barrel is used in most places because a drill rod is not required to be lifted out of a well to take the core during the coring process, and then the coring is continued; instead, only the coring barrel is thrown into the drill rod, and is automatically locked at the coring position to reach the bottom of the well for continuous coring.
For the existing rock coring, water is used for cooling the obtained rock core, and one-time water is used for one-time coring, so that the waste of water resources is caused; in addition, most of the structure of the coring device is arranged in front of the overall framework, so that the rear reserved space is too large, and therefore the overall framework has a forward tilting tendency when the coring device drills down for coring, the shape of the taken core is greatly different from the preset shape, and the whole device collapses when the forward tilting is serious.
The coring device inevitably generates vibration in the rock coring process, so that scraps are splashed and hit the rock core, and meanwhile, the scraps are splashed into the device, so that the problems of abrasion or jamming and the like are caused in the device.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: a broken rock coring device for geotechnical engineering investigation comprises a chassis, a power device, a driving device, an anti-tilting device and coring equipment.
The power device and the anti-tilting device are 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 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 coring equipment;
the power device comprises a screw rod, the bottom of the screw rod is fixedly connected to the top of the underframe, the surface of the screw rod is slidably connected with a sliding frame, the surface of the sliding frame is fixedly connected with the supporting plate, the center position of the sliding frame is in threaded connection with a threaded rod, the rotation of the threaded rod plays a role in coring operation on rock layers with different heights, the surface of the threaded rod is sleeved with a top frame, the surface of the top frame is fixedly connected to the top of the screw rod, and the bottom of the top frame is provided with a spring rope;
the anti-tilting device comprises a sleeve box, wherein the bottom of the sleeve box is fixedly connected to the top of the underframe, a force application device is arranged on the side surface of the sleeve box, a pushing claw is sleeved on the surface of the force application device, and the end surface of the pushing claw is fixedly connected with a sliding table;
the inside of the sleeve box is provided with a weight, and one end of the weight, which is far away from the pushing claw, is provided with a restoration device.
Preferably, the coring device comprises a coring device, a converter is fixedly connected to the top of the coring device, a connecting table is fixedly connected to the surface of the converter, the surface of the connecting table is fixedly connected with a bullet rope, a support is sleeved on the surface of the bullet rope, and the top of the support is fixedly connected to the bottom of the top frame.
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, which are far away from the converter, are connected with the water tank.
Preferably, the force application device comprises a rotating shaft, two ends of the rotating shaft are fixedly connected to through grooves formed in the surface of the sleeve box, a collet ring is fixedly connected to the surface of the rotating shaft, and the inner wall of the collet ring is in sliding connection with the pushing claw.
Preferably, the restoring device comprises a restoring plate, a spring is fixedly connected to the surface of the restoring plate, one end of the spring, away from the restoring plate, is connected with the bottom frame, a sleeving plate is fixedly connected to the side face of the bottom frame, the restoring plate is sleeved inside the sleeving plate, a sliding groove is formed in the surface of the bottom frame, a sliding block is arranged in the sliding groove, and one end of the sliding block, away from the bottom frame, is fixedly connected with the sliding table.
Preferably, the coring device comprises a threaded column, the surface of the threaded column is fixedly connected with the converter, the surface of the threaded column is in threaded connection with a shell, a rotating rod is fixedly connected with the inside of the shell, a clamping jaw is rotatably connected to the surface of the rotating rod, and a coring bag is fixedly connected to the surface of the clamping jaw.
Preferably, the bottom fixedly connected with exo-knife of shell, the inside fixedly connected with of shell cuts limit ware, the fixed surface who cuts limit ware is connected with the support, and wherein the support plays the supporting role to cutting limit ware, the one end fixedly connected with inscription device that cuts limit ware is kept away from to the support.
Preferably, the inscription device includes crashproof shell, thereby crashproof shell plays the vibrations of avoiding boring the in-process machine to the rock core and causes the piece to splash and strike the effect on the rock core, crashproof shell's top and support looks fixed connection, crashproof shell's inside is provided with the utricule, and wherein the utricule plays the effect that reduces the leak protection net and take place vibrations, crashproof shell's surface fixedly connected with leak protection net, wherein the leak protection net plays the inside effect of preventing that the piece from splashing into the device, leak protection net's bottom fixedly connected with inscription sword, leak protection net's inside fixedly connected with slider, leak protection net's one end and the body fixed connection of utricule are kept away from to the slider.
The invention provides a broken rock coring device for geotechnical engineering investigation. The beneficial effects are as follows:
1. this broken rock coring device of geotechnical engineering reconnaissance is through rotating the threaded rod for coring 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 of different co-altitude, wherein driving motor's start for coring equipment takes place high-speed rotation, in order to reach the effect of boring the inside stone core of rock.
2. This broken rock coring device of geotechnical engineering reconnaissance is through the opening of water tank valve for rivers in the water tank flow into the coring bag through the water inlet pipe in, in order to reach the effect of carrying out the cooling treatment to just getting the stone core, rivers can flow into the water tank again through the outlet pipe afterwards in order to reach the effect that can cool down again to next coring operation rivers, reduce the waste of water and reuse of water.
3. This broken rock coring device of geotechnical engineering reconnaissance promotes the pouring weight through pushing away from the claw for the pouring weight removes in the direction of keeping away from power device, in order to reach the effect that increases the weight of chassis latter half and reduce whole device focus, thereby plays the effect that prevents that the corer from making the device take place the anteversion at the in-process of boring down.
4. This broken rock coring device of geotechnical engineering reconnaissance carries out fine drilling through interior cutter to the rock core that will get and cuts, thereby the crashproof shell play the effect that avoids causing the piece to splash and strike on the rock core at the vibrations of in-process machine that drills the rock core. The anti-leakage net plays a role of preventing scraps from splashing into the device.
5. According to the broken rock coring device for geotechnical engineering investigation, when chips impact on the leakage-proof net, the sliding device fixed on the surface of the leakage-proof net can squeeze the bag body fixed with the leakage-proof net, wherein the non-Newtonian fluid is filled in the bag body, so that the bag body can be hardened and squeeze the sliding device, and the effect of reducing vibration of the leakage-proof net is achieved.
6. This broken rock coring device of geotechnical engineering reconnaissance passes crashproof shell through the rock core and enters into the core bag in, at the inside in-process of getting into the core bag, snatch the ware and scratch the whole body of rock core at first to reach the effect of getting rid of rock core surface burr and piece.
7. This broken rock coring device of geotechnical engineering reconnaissance enters into the coring bag through whole rock core and extrudes the core bag top in, the clamping jaw of fixing at the core bag top will take place to rotate as the centre of a circle with the bull stick to reach the clamp of getting the core bag, prevent that inside rock core from taking place the effect that drops.
Drawings
FIG. 1 is a schematic diagram of a broken rock coring apparatus for geotechnical engineering investigation in accordance with the present invention;
FIG. 2 is a schematic diagram of the overall rear view structure of the present invention;
FIG. 3 is a schematic diagram of a power plant of the present invention;
FIG. 4 is a schematic view of the structure of the anti-tilting device of the present invention;
FIG. 5 is a schematic view of the force applicator of the present invention;
FIG. 6 is a schematic diagram of a restoring device according to the present invention;
FIG. 7 is a schematic view of the structure of the coring apparatus of the present invention;
FIG. 8 is a schematic view of the structure of the corer of the present invention;
fig. 9 is a schematic structural view of an inscription device of the present invention.
In the figure: 1. a chassis; 2. a power device; 3. a driving device; 4. an anti-tilting device; 5. a coring apparatus; 21. a threaded rod; 22. a top frame; 23. a carriage; 24. a rope is sprung; 25. a screw rod; 31. a water tank; 32. a driving motor; 33. a support plate; 41. pushing claws; 42. a sleeve box; 43. a weight block; 44. a restoring device; 45. a force applicator; 46. a sliding table; 451. a collet ring; 452. a rotating shaft; 441. a reset plate; 442. a spring; 443. sleeving a plate; 444. a slide block; 51. a converter; 52. a connecting table; 53. a coring device; 54. a water inlet pipe; 55. a water outlet pipe; 56. a support; 531. a threaded column; 532. a rotating rod; 533. a clamping jaw; 534. coring a bag; 535. edge cutting device; 536. a bracket; 537. a housing; 538. an inscribing device; 539. an outer cutter; 5381. a bladder; 5382. an anti-collision shell; 5383. a slider; 5384. a leakage preventing net; 5385. an inner cutter.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the 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 embodiments were 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: the utility model provides a broken rock coring device of geotechnical engineering investigation, includes chassis 1, power device 2, drive arrangement 3, prevents inclined device 4 and coring equipment 5, power device 2 and prevent inclined device 4 all set up at the top of chassis 1, drive arrangement 3 and coring equipment 5 set up respectively in power device 2's both sides, drive arrangement 3 and coring equipment 5 all are connected with power device 2 fixedly;
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; by rotating the threaded rod 21, the coring device 5 can be moved up and down to achieve the effect of coring operation on rock layers of different heights, wherein the driving motor 32 is started to enable the coring device 5 to rotate at high speed to achieve the effect of drilling the stone core inside the 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 slidably connected to the surface of the screw rod 25, 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 a spring rope 24 is arranged at the bottom of the top frame 22;
the anti-tilting device 4 comprises a sleeve 42, the bottom of the sleeve 42 is fixedly connected to the top of the underframe 1, a force application device 45 is arranged on the side face of the sleeve 42, a pushing claw 41 is sleeved on the surface of the force application device 45, a sliding table 46 is fixedly connected to the end face of the pushing claw 41, a weight 43 is arranged in the sleeve 42, and a restoration device 44 is arranged at one end, far away from the pushing claw 41, of the weight 43.
The coring device 5 comprises a coring device 53, a converter 51 is fixedly connected to the top of the coring device 53, a connecting table 52 is fixedly connected to the surface of the converter 51, the surface of the connecting table 52 is fixedly connected with a bullet rope 24, a support 56 is sleeved on the surface of the bullet rope 24, the top of the support 56 is fixedly connected to the bottom of the top frame 22, a water inlet pipe 54 and a water outlet pipe 55 are respectively and fixedly connected to the top of the converter 51, 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. Through the opening of the valve of the water tank 31, the water flow in the water tank 31 flows into the coring bladder 534 through the water inlet pipe 54 so as to achieve the effect of cooling the just-taken stone core, and then the water flow can flow into the water tank again through the water outlet pipe so as to achieve the effect of cooling the water flow for the next coring operation again, thereby reducing the water waste and recycling the water.
The force application device 45 comprises a rotating shaft 452, both ends of the rotating shaft 452 are fixedly connected to through grooves formed in the surface of the sleeve box 42, a collet ring 451 is fixedly connected to the surface of the rotating shaft 452, and the inner wall of the collet ring 451 is slidably connected with the pushing claws 41.
The restoring device 44 comprises a restoring plate 441, a spring 442 is fixedly connected to the surface of the restoring plate 441, one end, away from the restoring plate 441, of the spring 442 is connected with the chassis 1, a sleeve plate 443 is fixedly connected to the side surface of the chassis 1, the restoring plate 441 is sleeved in the sleeve plate 443, 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, 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 to achieve the effects of increasing the weight of the rear half of the chassis 1 and lowering the center of gravity of the whole device, thereby playing a role of preventing the coring device 53 from tilting forward during the tripping process.
The coring device 53 comprises a threaded column 531, the surface of the threaded column 531 is fixedly connected with the converter 51, a shell 537 is connected to the surface of the threaded column 531 in a threaded manner, a rotating rod 532 is fixedly connected to the inside of the shell 537, a clamping jaw 533 is connected to the surface of the rotating rod 532 in a rotating manner, a coring bag 534 is fixedly connected to the surface of the clamping jaw 533, an external cutter 539 is fixedly connected to the bottom of the shell 537, an edge cutting device 535 is fixedly connected to the inside of the shell 537, a support 536 is fixedly connected to the surface of the edge cutting device 535, and an internal cutting device 538 is fixedly connected to one end of the support 536, which is far away from the edge cutting 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, so as to clamp the coring bag 534 and prevent the core from falling.
The inscription device 538 includes crashproof shell 5382, crashproof shell 5382's top and support 536 are fixed connection mutually, crashproof shell 5382's inside is provided with the utricule 5381, crashproof shell 5382's fixed surface is connected with leak protection net 5384, leak protection net 5384's bottom fixedly connected with inscription sword 5385, leak protection net 5384's inside fixedly connected with slider 5383, slider 5383 keeps away from leak protection net 5384's one end and is fixed connection mutually with the utricule 5381. The core to be removed is finely drilled and cut by the inner cutter 5385, wherein the anti-collision shell 5382 plays a role in avoiding that scraps splash and impact on the core due to vibration of a machine in the core drilling process. While the containment net 5384 acts to prevent debris from splashing into the interior of the device.
When the debris impacts the leakage preventing net 5384, the sliding device 5383 fixed on the surface of the leakage preventing net presses the bag 5381 fixed with the leakage preventing net, wherein the bag 5381 is filled with non-Newtonian fluid, and therefore the bag 5381 is hardened and presses the sliding device 5383, so that the effect of reducing vibration of the leakage preventing net is achieved.
Through the core passing through the crashproof shell 5382 and entering into the coring bag 534, in the process of entering into the coring bag 534, the edge scraper 535 will scratch the whole body of the core first to get rid of the effect of core surface burr and piece.
During the use, through rotating threaded rod 21, make coring equipment 5 can take place the removal from top to bottom, so as to reach the effect that can carry out the coring operation to rock layer of different co-altitude, wherein driving motor 32's start, make coring equipment 5 take place high-speed rotation, so as to reach the effect of boring the inside stone core of rock, open the valve of water tank 31 in addition, make the rivers in the water tank 31 flow into coring bladder 534 through water inlet pipe 54, so as to reach the effect of cooling down the just-taken stone core, the rivers can flow into the water tank again through the outlet pipe later, so as to reach the effect that can cool down again to next coring operation rivers, reduce the waste of water, and reuse of water.
The coring device 5 performs coring operation on the rock by moving the sliding frame 23 downwards on the threaded rod 21, wherein the connecting table 52 is connected with the coring device 53 through the converter 51, and the connecting table 52 is connected with the elastic rope 24, so that the downward movement of the coring device 53 pulls the elastic rope 24, and the other end of the elastic rope 24 is connected with the sliding table 46, and the sliding block 444 is fixedly connected with the side surface of the sliding table 46, and the sliding block 444 slides on a groove formed on the side surface of the underframe 1, so that the sliding table 46 moves towards the direction of the power device 2, during the movement of the sliding table 46, the pushing claws 41 fixed at two sides of the sliding table 46 move along with the sliding table, and the pushing claws 41 are sleeved in the sleeve ring 451, and the sleeve ring 451 rotates through the rotating shaft, so that the pushing claws 41 move along with the sliding table 46 and rotate, and the pushing claws 41 push the sliding claws 43, so that the weight 43 move in a direction away from the power device 2, and the gravity center of the sliding table 46 is fixedly connected with the sliding block 444, and the sliding claws 444 slide on the side surface of the sliding table 1, so that the gravity center of the sliding table 46 slides on the side surface of the sliding table 1, and the gravity center of the sliding table 46 is lowered, and the weight 41 is prevented from playing a role of the front-side of the device and the device, and the spring 442 is restored to the original position of the weight 43.
The outer cutter 539, which is fixed to the bottom of the housing 537, firstly performs rough drilling and cutting on rock around the core, wherein the core is also included, and then performs fine drilling and cutting on the core to be taken through the inner cutter 5385, wherein the anti-collision shell 5382 plays a role in avoiding splashing of chips and impact on the core caused by vibration of the machine in the process of drilling the core. While the containment net 5384 acts to prevent debris from splashing into the interior of the device.
When the debris impacts the leakage preventing net 5384, the sliding device 5383 fixed on the surface of the leakage preventing net presses the bag 5381 fixed with the leakage preventing net, wherein the bag 5381 is filled with non-Newtonian fluid, and therefore the bag 5381 is hardened and presses the sliding device 5383, so that the effect of reducing vibration of the leakage preventing net is achieved.
The core passes through the anti-collision shell 5382 and enters the coring bag 534, in the process of entering the inside of the coring bag 534, the edge cutting device 535 firstly cuts the whole body of the core so as to achieve the effect of removing burrs and chips on the surface of the core, the support 536 plays a supporting role of the edge cutting device 535, and finally when the whole core enters the coring bag 534 and presses 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 so as to clamp the coring bag 534 and prevent the core inside from falling.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (6)
1. The utility model provides a broken rock coring device of geotechnical engineering reconnaissance, includes chassis (1), power device (2), drive arrangement (3), prevents tilting 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 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), 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, 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 a spring rope (24) is arranged at the bottom of the top frame (22);
the anti-tilting device (4) comprises a sleeve box (42), wherein the bottom of the sleeve box (42) is fixedly connected to the top of the underframe (1), a force application device (45) is arranged on the side surface of the sleeve box (42), a pushing claw (41) is sleeved on the surface of the force application device (45), and a sliding table (46) is fixedly connected to the end face of the pushing claw (41);
a weight (43) is arranged in the sleeve box (42), and a restoration device (44) is arranged at one end of the weight (43) away from the pushing claw (41);
the force application device (45) comprises a rotating shaft (452), both ends of the rotating shaft (452) are fixedly connected to through grooves formed in the surface of the sleeve box (42), a collet ring (451) is fixedly connected to the surface of the rotating shaft (452), and the inner wall of the collet ring (451) is in sliding connection with the pushing claw (41);
the recovery device (44) comprises a recovery plate (441), a spring (442) is fixedly connected to the surface of the recovery plate (441), one end of the spring (442) away from the recovery plate (441) is connected with the chassis (1), a sleeve plate (443) is fixedly connected to the side face of the chassis (1), the recovery plate (441) is sleeved in the sleeve plate (443), 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 of the sliding block (444) away from the chassis (1) is fixedly connected with the sliding table (46).
2. A geotechnical engineering survey broken rock coring apparatus according to claim 1, wherein: coring equipment (5) are including coring device (53), the top fixedly connected with converter (51) of coring device (53), the fixed surface of converter (51) is connected with even platform (52), even the surface of platform (52) is connected with bullet rope (24) fixedly, the surface cover of bullet rope (24) is equipped with support (56), the top fixed connection of support (56) is in the bottom of roof-rack (22).
3. A geotechnical engineering survey broken rock coring apparatus according to claim 2, wherein: the top of converter (51) is fixedly connected with water inlet pipe (54) and outlet pipe (55) respectively, one end that water inlet pipe (54) and outlet pipe (55) kept away from converter (51) is connected with water tank (31).
4. A geotechnical engineering survey broken rock coring apparatus according to claim 2, wherein: the coring device (53) comprises a threaded column (531), the surface of the threaded column (531) is fixedly connected with the converter (51), a shell (537) is connected to the surface of the threaded column (531) in a threaded mode, a rotating rod (532) is fixedly connected to the inside of the shell (537), a clamping jaw (533) is rotatably connected to the surface of the rotating rod (532), and a coring bag (534) is fixedly connected to the surface of the clamping jaw (533).
5. A geotechnical engineering survey broken rock coring apparatus according to claim 4, wherein: the utility model discloses a cutting tool, including outer shell (537), support (536), outer shell (537) bottom fixedly connected with outer cutter (539), the inside fixedly connected with of outer shell (537) is cut limit ware (535), the surface fixedly connected with support (536) of cutting limit ware (535), the one end fixedly connected with inscription device (538) of support (536) keeping away from cutting limit ware (535).
6. A geotechnical engineering survey broken rock coring apparatus according to claim 5, wherein: the inscription device (538) includes crashproof shell (5382), the top and the support (536) of crashproof shell (5382) are fixedly connected, the inside of crashproof shell (5382) is provided with utricule (5381), the fixed surface of crashproof shell (5382) is connected with leak protection net (5384), the bottom fixedly connected with inscription sword (5385) of leak protection net (5384), the inside fixedly connected with slider (5383) of leak protection net (5384), the one end and the utricule (5381) of leak protection net (5383) are kept away from to slider (5383) are fixedly connected.
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| CN202310052719.9A CN115788339B (en) | 2023-02-03 | 2023-02-03 | Broken rock coring device of geotechnical engineering reconnaissance |
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| CN202310052719.9A CN115788339B (en) | 2023-02-03 | 2023-02-03 | Broken rock coring device of geotechnical engineering reconnaissance |
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| 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 |
| 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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| CN113236139A (en) * | 2021-05-18 | 2021-08-10 | 上海班众数据科技有限公司 | Geotechnical engineering reconnaissance is with probing device that has core sample structure |
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