CN114991765A - Complex weak surrounding rock tunnel rock sample collecting device and using method thereof - Google Patents

Complex weak surrounding rock tunnel rock sample collecting device and using method thereof Download PDF

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Publication number
CN114991765A
CN114991765A CN202210832953.9A CN202210832953A CN114991765A CN 114991765 A CN114991765 A CN 114991765A CN 202210832953 A CN202210832953 A CN 202210832953A CN 114991765 A CN114991765 A CN 114991765A
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China
Prior art keywords
rock
sample
wall
tunnel
box
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Pending
Application number
CN202210832953.9A
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Chinese (zh)
Inventor
肖三霞
吴正宇
吴建国
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Fujian Jiangxia University
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Fujian Jiangxia University
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Priority to CN202210832953.9A priority Critical patent/CN114991765A/en
Publication of CN114991765A publication Critical patent/CN114991765A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/02Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/086Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/02Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
    • E21B49/06Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil using side-wall drilling tools pressing or scrapers

Abstract

The invention discloses a complicated weak surrounding rock tunnel rock sample collecting device and a using method thereof, wherein the complicated weak surrounding rock tunnel rock sample collecting device comprises the following steps: the base box is fixedly connected with four stabilizer bars between the upper inner wall and the lower inner wall of the base box; the drill bit feeding mechanism is arranged inside the base box and comprises an adjusting plate, four hydraulic rods and a supporting plate, the adjusting plate is slidably sleeved on the four stabilizing rods, the number of the hydraulic rods is four, the hydraulic rods are all fixedly arranged on the outer surface of the upper side of the adjusting plate, and the supporting plate is fixedly connected to the output ends of the four hydraulic rods; according to the invention, the rectangular box is driven to be immersed in the surrounding rock through the drill bit feeding mechanism, the two sampling threaded rods synchronously rotate, the transmission plate drives the three sampling drill bits to respectively drill into the surrounding rock at the upper part of the tunnel at different depths, and the crushed surrounding rock sample can enter the sampling drill bits, so that the sampling of the surrounding rock with different layers can be completed at one time, the sampling time of workers is saved, and the working efficiency is improved.

Description

Complex weak surrounding rock tunnel rock sample collecting device and using method thereof
Technical Field
The invention belongs to the technical field of rock stratum sampling equipment, and particularly relates to a rock sample collecting device for a complex weak surrounding rock tunnel and a using method of the rock sample collecting device.
Background
In rock underground works, the surrounding rock mass, which undergoes a change in stress state due to excavation, is called the surrounding rock. The surrounding rock is also called main rock and ore-containing rock. The rocks around the ore body and around the rock body are called surrounding rocks. For tunnel engineering, the most concerned problem is the stability of the ground layer after being excavated into the tunnel, which is called the stability of the surrounding rock of the tunnel, and this is a comprehensive index reflecting the geological environment, which is self-evident, because the stability of the ground layer means that the deformation of the ground layer into the tunnel caused by excavating the tunnel is very small and can be basically stopped in a short time, which is very beneficial to the construction process and the supporting structure.
In the process of tunnel construction, in order to investigate the stability of tunnel, need take a sample to the country rock of tunnel top, study and analysis, the sampling equipment who is used for the stratum generally is one kind and can creeps into tens of meters shallow hole in surface soil and stratum, and can take soil sample and rock core, but most stratum sampling equipment creeps into and takes a sample from ground down, and can not once only sample the ground of different soil layers, need the staff to divide different steps to take a sample to the different layering of tunnel top country rock, work efficiency is the bottom.
Disclosure of Invention
The invention aims to: inside sending into the country rock on tunnel upper portion with rock stratum sampling mechanism through drill bit jacking mechanism, rock stratum sampling mechanism can be disposable accomplishes the sample work on multiple soil layer, saves staff's sample time, improves work efficiency.
The technical scheme adopted by the invention is as follows: the utility model provides a complicated weak country rock tunnel rock specimen collection system, includes:
the base box is characterized in that four stabilizer bars are fixedly connected between the upper inner wall and the lower inner wall of the base box;
the drill bit feeding mechanism is arranged inside the base box and comprises adjusting plates, four hydraulic rods and supporting plates, the adjusting plates are slidably sleeved on the four stabilizing rods, the four hydraulic rods are fixedly arranged on the outer surfaces of the upper sides of the adjusting plates, and the supporting plates are fixedly connected to the output ends of the four hydraulic rods;
the rock wall sampling mechanism is arranged on the upper side of the drill bit feeding mechanism and comprises a rectangular box, a jacking drill bit, a transmission plate, two sampling threaded rods, three sampling motors and three sampling drill bits, wherein the rectangular box is rotatably connected to the upper side of a supporting plate, the jacking drill bit is fixedly connected to the outer surface of the upper side of the rectangular box, the two sampling threaded rods are rotatably connected between the inner walls of the two sides of the rectangular box, the transmission plate is in threaded connection with the two sampling threaded rods, the three sampling drill bits are rotatably connected to the outer surface of one side of the transmission plate, the three sampling motors are fixedly mounted on the outer surface of the other side of the transmission plate, and the output ends of the three sampling motors are fixedly connected with the corresponding sampling drill bits; and
the height adjusting assembly is arranged on the base box.
Wherein, the outer surfaces of four sides of the base box are fixedly connected with stabilizing support legs.
The outer surface of the lower side of the supporting plate is fixedly provided with a jacking motor, and the outer surface of the lower side of the rectangular box is fixedly connected with the output end of the jacking motor.
Wherein, rock wall sampling mechanism still includes side connection box and two first synchro gear, side connection box fixed connection is in one side surface of rectangular box, two first synchro gear all rotates to be connected between one side inner wall of side connection box and one side surface of rectangular box, and one side surface of two first synchro gear and the one end difference fixed connection of two sample threaded rods.
The rock wall sampling mechanism further comprises a transmission gear and a transmission motor, the transmission gear is provided with two transmission gears, one of the two transmission gears is connected to the inner wall of one side of the rectangular box in a rotating mode, the other transmission gear is fixedly sleeved on the corresponding sampling threaded rod and connected with the transmission gears in a meshing mode, the transmission motor is fixedly installed on the inner wall of one side of the rectangular box, and the output end of the transmission motor is fixedly connected with the outer surface of one side of the corresponding transmission gear.
The rock wall sampling mechanism further comprises two limiting rods, the two limiting rods are fixedly connected between the inner walls of the two sides of the rectangular box, and the two limiting rods are sleeved with the transmission plate in a sliding mode.
Wherein, the altitude mixture control subassembly includes two sets of lifting threaded rod, every group lifting threaded rod all is provided with two, every two of group lifting threaded rod all rotates to be connected between the upper and lower inner wall of base case, every two of group lifting threaded rod and the equal threaded connection of regulating plate.
Wherein, altitude mixture control subassembly still includes connects box and two sets of drive gear down, connect box fixed connection in the downside surface of base case down, every group drive gear all sets up in two, two of every group drive gear all rotates to be connected between the downside surface of one side inner wall of box and base case down, two of every group drive gear and the equal fixed connection of lower extreme that corresponds lifting threaded rod, two of every group all connect through the drive cingulum transmission between the drive gear.
The height adjusting assembly further comprises a lifting motor, a second synchronizing gear and a protective shell, the protective shell is fixedly connected to the lower side outer surface of the lower connecting box, the second synchronizing gear is provided with two synchronizing gears, the two synchronizing gears are connected to the lower side outer surface of the lower connecting box and the bottom inner wall of the protective shell in a rotating mode, the two synchronizing gears are fixedly connected with two corresponding driving gears respectively, the lifting motor is fixedly installed on the lower side outer surface of the protective shell, and the output end of the lifting motor is fixedly connected with one of the second synchronizing gears.
A use method of a complex weak surrounding rock tunnel rock sample collecting device comprises the following steps:
s1, height adjustment: two sets of lifting threaded rods are driven to rotate through the lifting motor, the adjusting plate is driven to ascend, and therefore the rectangular box drives the jacking drill bit to be capable of contacting with the upper rock wall surrounding rock of the tunnel.
S2, rock stratum drilling: the rectangular box is driven to rotate through the jacking motor, the jacking drill bit can be used for drilling into the upper rock wall of the tunnel, and the four hydraulic rods can jack up the supporting plate upwards, so that the rectangular box enters the rock stratum.
S3, layered sampling: rotate through two sample threaded rods and drive the driving plate and remove for three sample drill bit is towards the inside removal of rock stratum, and three sample motor drives the sample drill bit and rotates, and three sample drill bit creeps into sample work to rock wall inside.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the tunnel upper portion surrounding rock sampling device, after the drill bit feeding mechanism drives the jacking drill bit to drill into the tunnel upper portion surrounding rock, the rectangular box is immersed into the surrounding rock, the transmission motor drives the two sampling threaded rods to rotate synchronously, then the three sampling drill bits are driven to rotate by the three sampling motors, the transmission plate drives the three sampling drill bits to respectively drill into the tunnel upper portion surrounding rock at different depths, a crushed surrounding rock sample can enter the inside of the sampling drill bits, therefore, surrounding rock sampling of different layers can be completed at one time, sampling time of workers is saved, and working efficiency is improved.
In the invention, the two second synchronous gears are driven to synchronously rotate by starting the lifting motor, the two second synchronous gears drive the two groups of driving gears to synchronously rotate, so that the four lifting threaded rods can synchronously rotate, the four lifting threaded rods can drive the adjusting plate to ascend or descend, the adjusting plate adjusts the height position of the jacking drill bit, the jacking drill bit can be close to the surrounding rock at the upper part of the tunnel, the rock wall sampling mechanism can sample the surrounding rock at the upper part of the tunnel with various heights, and the application range is wide.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the interior of the base housing of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an exploded view of the underside of the pedestal box of the present invention;
FIG. 5 is a perspective view of the drill bit feed mechanism of the present invention;
FIG. 6 is a perspective view of the interior of the rectangular box of the present invention;
FIG. 7 is a perspective view of the interior of the side box of the present invention;
FIG. 8 is a partial perspective view of the sampling drill of the present invention.
The mark in the figure is: 1. a base box; 2. stabilizing the support legs; 3. a drill bit feed mechanism; 301. an adjusting plate; 302. a hydraulic lever; 303. a support plate; 4. a rock wall sampling mechanism; 401. a rectangular box; 402. jacking the drill bit; 403. a drive plate; 404. sampling a threaded rod; 405. a sampling motor; 406. a sampling drill bit; 407. a limiting rod; 408. a transmission gear; 409. a drive motor; 410. a side connection box; 411. a first synchronizing gear; 5. lifting a threaded rod; 6. a stabilizer bar; 7. a lifting motor; 8. a jacking motor; 9. a lower connection box; 10. a drive gear; 11. a second synchronizing gear; 12. a protective shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Embodiment one, referring to fig. 1-2 and 5-8: a rock sample collecting device for a complex weak surrounding rock tunnel comprises a base box 1, wherein four stabilizer bars 6 are fixedly connected between the upper inner wall and the lower inner wall of the base box 1; the drill bit feeding mechanism 3 is arranged inside the base box 1, the drill bit feeding mechanism 3 comprises an adjusting plate 301, four hydraulic rods 302 and a supporting plate 303, the adjusting plate 301 is slidably sleeved on the four stabilizing rods 6, the four hydraulic rods 302 are arranged, the four hydraulic rods 302 are all fixedly arranged on the outer surface of the upper side of the adjusting plate 301, and the supporting plate 303 is fixedly connected to the output ends of the four hydraulic rods 302; rock wall sampling mechanism 4, rock wall sampling mechanism 4 sets up in the upside of drill bit feed mechanism 3, rock wall sampling mechanism 4 includes rectangular box 401, carry forward drill bit 402, driving plate 403, two sampling threaded rods 404, three sampling motor 405 and three sampling drill bit 406, rectangular box 401 rotates and connects in the upside of backup pad 303, carry forward drill bit 402 and fixedly connect in the upside surface of rectangular box 401, two sampling threaded rods 404 all rotate and connect between the both sides inner wall of rectangular box 401, driving plate 403 and two sampling threaded rods 404 are all threaded connection, three sampling drill bit 406 all rotate and connect in one side surface of driving plate 403, three sampling motor 405 all fixedly mount in the other side surface of driving plate 403, and the output of three sampling motor 405 and the sampling drill bit 406 that corresponds are all fixedly connected; and a height adjusting assembly, the height adjusting assembly is arranged on the base box 1, the outer surfaces of four sides of the base box 1 are fixedly connected with the stabilizing support legs 2, the outer surface of the lower side of the supporting plate 303 is fixedly provided with a jacking motor 8, the outer surface of the lower side of the rectangular box 401 is fixedly connected with the output end of the jacking motor 8, the rock wall sampling mechanism 4 further comprises a side connection box 410 and two first synchronous gears 411, the side connection box 410 is fixedly connected with the outer surface of one side of the rectangular box 401, the two first synchronous gears 411 are rotatably connected between the inner wall of one side of the side connection box 410 and the outer surface of one side of the rectangular box 401, one outer surfaces of one sides of the two first synchronous gears 411 are respectively and fixedly connected with one ends of the two sampling threaded rods 404, the rock wall sampling mechanism 4 further comprises a transmission gear 408 and a transmission motor 409, the transmission gear 408 is provided with two, one of the transmission gears 408 is rotatably connected with the inner wall of one side of the rectangular box 401, the other transmission gear 408 is fixedly sleeved on the corresponding sampling threaded rod 404, the two transmission gears 408 are meshed and connected, the transmission motor 409 is fixedly installed on the inner wall of one side of the rectangular box 401, the output end of the transmission motor 409 is fixedly connected with the outer surface of one side of the corresponding transmission gear 408, the rock wall sampling mechanism 4 further comprises two limiting rods 407, the two limiting rods 407 are fixedly connected between the inner walls of two sides of the rectangular box 401, the transmission plate 403 is slidably sleeved on the two limiting rods 407, the adjusting plate 301 is connected with the height adjusting assembly, the height adjusting assembly controls the lifting of the adjusting plate 301 to control the height position of the rock wall sampling mechanism 4, the four hydraulic rods 302 jack up the support plate 303 to feed the rectangular box 401 and the jacking drill bit 402 into the surrounding rock at the upper part of the tunnel, the jacking motor 8 drives the rectangular box 401 and the jacking drill bit 402 to rotate when being started, and the jacking drill bit 402 can drill into the surrounding rock at the upper part of the tunnel, when the rectangular box 401 is immersed in surrounding rocks, a transmission motor 409 is started to drive a corresponding transmission gear 408 to rotate, another transmission gear 408 also rotates along with the rotation to drive a corresponding sampling threaded rod 404 to rotate, the corresponding sampling threaded rod 404 drives one of the first synchronous gears 411 to rotate, the two first synchronous gears 411 keep synchronous rotation, so that the two sampling threaded rods 404 keep synchronous rotation, the three sampling drill bits 406 are driven to rotate by starting the three sampling motors 405, the two sampling threaded rods 404 drive the three sampling drill bits 406 to move in a direction away from the interior of the rectangular box 401 through the transmission plate 403, the transmission plate 403 can keep stable linear movement in the rectangular box 401 through the two limiting rods 407, so that the three sampling drill bits 406 respectively drill into the surrounding rocks at the upper parts of tunnels with different depths, and the surrounding rock crushed samples can enter the interior of the sampling drill bits 406 while the sampling drill bits 406 drill bits drill, therefore, surrounding rock sampling of different layers is completed at one time, sampling time of workers is saved, and working efficiency is improved.
Example two, with reference to fig. 2-4: the height adjusting assembly comprises two groups of lifting threaded rods 5, each group of lifting threaded rods 5 is provided with two lifting threaded rods, each group of two lifting threaded rods 5 is rotatably connected between the upper inner wall and the lower inner wall of the base box 1, each group of two lifting threaded rods 5 is in threaded connection with the adjusting plate 301, the height adjusting assembly further comprises a lower connecting box 9 and two groups of driving gears 10, the lower connecting box 9 is fixedly connected with the lower outer surface of the base box 1, each group of driving gears 10 is provided with two driving gears 10, each group of two driving gears 10 is rotatably connected between the inner wall of one side of the lower connecting box 9 and the lower outer surface of the base box 1, each group of two driving gears 10 is fixedly connected with the lower end of the corresponding lifting threaded rod 5, each group of two driving gears 10 is in transmission connection through a driving toothed belt, the height adjusting assembly further comprises a lifting motor 7, a second synchronizing gear 11 and a protective shell 12, and the protective shell 12 is fixedly connected with the lower outer surface of the lower connecting box 9, two second synchronous gears 11 are arranged, two second synchronous gears 11 are rotatably connected to the outer surface of the lower side of the lower receiving box 9 and the inner wall of the bottom of the protective shell 12, two second synchronous gears 11 are respectively and fixedly connected with two corresponding driving gears 10, the lifting motor 7 is fixedly arranged on the outer surface of the lower side of the protective shell 12, the output end of the lifting motor 7 is fixedly connected with one second synchronous gear 11, the two second synchronous gears 11 are driven to synchronously rotate after the lifting motor 7 is started, the two second synchronous gears 11 drive the two groups of driving gears 10 to synchronously rotate, so that four lifting threaded rods 5 can be synchronously rotated, the adjusting plate 301 can be driven to ascend or descend by the positive rotation and the negative rotation of the four lifting threaded rods 5, the adjusting plate 301 drives the supporting plate 303 to ascend or descend by the hydraulic rod 302, and under the condition that the hydraulic rod 302 is not started, the height position of drill bit 402 is advanced in the adjustment for drill bit 402 can be close the country rock on tunnel upper portion, makes rock wall sampling mechanism 4 can carry out sample work to the tunnel upper portion country rock of multiple height, and application scope is wide.
A use method of a complicated weak surrounding rock tunnel rock sample collecting device comprises the following steps: step one, height adjustment: the lifting motor 7 is started to drive the two second synchronous gears 11 to synchronously rotate, the two second synchronous gears 11 drive the two groups of driving gears 10 to synchronously rotate, the four driving gears 10 drive the four lifting threaded rods 5 to synchronously rotate, the four lifting threaded rods 5 can drive the adjusting plate 301 to ascend when rotating, the adjusting plate 301 drives the supporting plate 303 to ascend through the hydraulic rod 302, and therefore the height position of the jacking drill bit 402 is adjusted under the condition that the hydraulic rod 302 is not started, the jacking drill bit 402 can be close to surrounding rocks on the upper portion of a tunnel, the rock wall sampling mechanism 4 can sample the surrounding rocks on the upper portion of the tunnel with multiple heights, and the application range is wide; step two, rock stratum drilling: the jacking motor 8 is started firstly, the jacking motor 8 drives the rectangular box 401 to rotate, the jacking drill bit 402 rotates along with the rectangular box 401, then the four hydraulic rods 302 are started, the four hydraulic rods 302 jack the supporting plate 303 upwards, the jacking drill bit 402 continuously drills surrounding rocks on the upper portion of the tunnel, and finally the rectangular box 401 completely sinks into the surrounding rocks on the upper portion of the tunnel; step three, layered sampling: after the rectangular box 401 is immersed into the surrounding rocks on the upper portion of the tunnel, the three sampling motors 405 are started to drive the three sampling drill bits 406 to rotate, then the transmission motor 409 is started, the transmission motor 409 drives the corresponding transmission gear 408 to rotate, the other transmission gear 408 also rotates along with the transmission gear to drive the corresponding sampling threaded rod 404 to rotate, the corresponding sampling threaded rod 404 drives one of the first synchronous gears 411 to rotate, the two first synchronous gears 411 keep synchronous rotation, so that the two sampling threaded rods 404 keep synchronous rotation, the two sampling threaded rods 404 drive the three sampling drill bits 406 to move in a direction away from the interior of the rectangular box 401 through the transmission plate 403, the two limiting rods 407 enable the transmission plate to keep stable linear movement in the interior of the rectangular box 401, and therefore the three sampling drill bits 406 respectively drill into the surrounding rocks on the upper portion of the tunnel at different depths, and when the sampling drill bits 406 drill, the inside that the country rock was smashed the sample can get into sample drill bit 406 to once only accomplish the country rock sample of different laminatings, save staff's sample time, improve work efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a complicated weak country rock tunnel rock specimen collection system which characterized in that includes:
the base box (1), four stabilizer bars (6) are fixedly connected between the upper inner wall and the lower inner wall of the base box (1);
the drill bit feeding mechanism (3) is arranged inside the base box (1), the drill bit feeding mechanism (3) comprises an adjusting plate (301), four hydraulic rods (302) and a supporting plate (303), the adjusting plate (301) is slidably sleeved on the four stabilizing rods (6), the number of the hydraulic rods (302) is four, the four hydraulic rods (302) are fixedly arranged on the outer surface of the upper side of the adjusting plate (301), and the supporting plate (303) is fixedly connected to the output ends of the four hydraulic rods (302);
rock wall sampling mechanism (4), rock wall sampling mechanism (4) sets up in the upside of drill bit feed mechanism (3), rock wall sampling mechanism (4) includes rectangular box (401), top advances drill bit (402), driving plate (403), two sample threaded rods (404), three sample motor (405) and three sample drill bit (406), rectangular box (401) rotates the upside that connects in backup pad (303), top advances drill bit (402) fixed connection in the upside surface of rectangular box (401), two sample threaded rods (404) all rotate and connect between the both sides inner wall of rectangular box (401), driving plate (403) and two sample threaded rods (404) equal threaded connection, three sample drill bit (406) all rotate and connect in one side surface of driving plate (403), three sample motor (405) all fixed mounting is in the opposite side surface of driving plate (403), the output ends of the three sampling motors (405) are fixedly connected with the corresponding sampling drill bits (406); and
the height adjusting assembly is arranged on the base box (1).
2. The device for collecting the rock sample of the tunnel of the complex weak surrounding rock as claimed in claim 1, wherein: the outer surfaces of four sides of the base box (1) are fixedly connected with stabilizing support legs (2).
3. The device for collecting the rock sample of the tunnel of the complex weak surrounding rock as claimed in claim 2, wherein: the lower side outer surface of the supporting plate (303) is fixedly provided with a jacking motor (8), and the lower side outer surface of the rectangular box (401) is fixedly connected with the output end of the jacking motor (8).
4. The device for collecting the rock sample of the tunnel of the complex weak surrounding rock as claimed in claim 3, wherein: rock wall sampling mechanism (4) still include side connection box (410) and two first synchro gear (411), side connection box (410) fixed connection is in one side surface of rectangular box (401), two first synchro gear (411) all rotate to be connected between one side inner wall of side connection box (410) and one side surface of rectangular box (401), and one side surface of two first synchro gear (411) and the one end difference fixed connection of two sample threaded rod (404).
5. The device for collecting the rock sample of the tunnel of the complex weak surrounding rock as claimed in claim 4, wherein: rock wall sampling mechanism (4) still includes drive gear (408) and drive motor (409), drive gear (408) are provided with two, one of them drive gear (408) rotate and connect in one side inner wall of rectangular box (401), another drive gear (408) are fixed to be overlapped and are located and correspond on the sample threaded rod (404), two meshing connection between drive gear (408), drive motor (409) fixed mounting is in one side inner wall of rectangular box (401), the output of drive motor (409) and the one side outer fixed surface who corresponds drive gear (408) are connected.
6. The device for collecting the rock sample of the tunnel of the complex weak surrounding rock as claimed in claim 5, wherein: rock wall sampling mechanism (4) still include two gag lever posts (407), two the equal fixed connection of gag lever post (407) is between the both sides inner wall of rectangular box (401), drive plate (403) slip cap is located on two gag lever posts (407).
7. The device for collecting the rock sample of the tunnel of the complex weak surrounding rock as claimed in claim 6, wherein: the altitude mixture control subassembly includes two sets of lifting threaded rod (5), every group lifting threaded rod (5) all are provided with two, two of every group lifting threaded rod (5) all rotate to be connected between the upper and lower inner wall of base case (1), two of every group lifting threaded rod (5) and the equal threaded connection of regulating plate (301).
8. The device for collecting the rock sample of the tunnel of the complex weak surrounding rock as claimed in claim 7, wherein: height adjusting element still includes lower joint box (9) and two sets of drive gear (10), lower joint box (9) fixed connection is in the downside surface of base case (1), every group drive gear (10) all set up in two, two of every group drive gear (10) all rotate connect under between the downside surface of one side inner wall of joint box (9) and base case (1), two of every group drive gear (10) and the equal fixed connection of lower extreme that corresponds lifting threaded rod (5), two of every group all connect through the transmission of drive cingulum between drive gear (10).
9. The device for collecting the rock sample of the tunnel of the complex weak surrounding rock as claimed in claim 8, wherein: height adjusting subassembly still includes elevator motor (7), second synchronizing gear (11) and protective housing (12), protective housing (12) fixed connection is in the downside surface of lower joint box (9), second synchronizing gear (11) are provided with two, two second synchronizing gear (11) all rotate and connect in the bottom inner wall of the downside surface of lower joint box (9) and protective housing (12), two second synchronizing gear (11) and two drive gear (10) fixed connection respectively that correspond, elevator motor (7) fixed mounting is in the downside surface of protective housing (12), the output and one of them second synchronizing gear (11) fixed connection of elevator motor (7).
10. A method for using a complex weak surrounding rock tunnel rock sample collecting device, which is characterized in that the complex weak surrounding rock tunnel rock sample collecting device of any one of claims 1-9 is used, and comprises the following steps:
s1, height adjustment: the lifting motor (7) drives the two groups of lifting threaded rods (5) to rotate, and the adjusting plate (301) is driven to ascend, so that the rectangular box (401) drives the jacking drill bit (402) to be capable of contacting the surrounding rock of the upper rock wall of the tunnel;
s2, rock stratum drilling: the jacking motor (8) drives the rectangular box (401) to rotate, the jacking drill bit (402) can drill the upper rock wall of the tunnel, and the four hydraulic rods (302) can jack the support plate (303) upwards, so that the rectangular box (401) enters the rock stratum;
s3, layered sampling: rotate through two sample threaded rods (404) and drive driving plate (403) and remove for three sample drill bit (406) move towards the rock stratum is inside, and three sample motor (405) drive sample drill bit (406) and rotate, and three sample drill bit (406) are crept into sample work to rock wall inside.
CN202210832953.9A 2022-07-15 2022-07-15 Complex weak surrounding rock tunnel rock sample collecting device and using method thereof Pending CN114991765A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117365348A (en) * 2023-12-08 2024-01-09 山东省地质矿产勘查开发局第五地质大队(山东省第五地质矿产勘查院) Geological drilling rock core sampling device
CN117664027A (en) * 2024-01-31 2024-03-08 中国科学院武汉岩土力学研究所 Tunnel surrounding rock morphology acquisition device for surrounding rock classification

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117365348A (en) * 2023-12-08 2024-01-09 山东省地质矿产勘查开发局第五地质大队(山东省第五地质矿产勘查院) Geological drilling rock core sampling device
CN117365348B (en) * 2023-12-08 2024-02-23 山东省地质矿产勘查开发局第五地质大队(山东省第五地质矿产勘查院) Geological drilling rock core sampling device
CN117664027A (en) * 2024-01-31 2024-03-08 中国科学院武汉岩土力学研究所 Tunnel surrounding rock morphology acquisition device for surrounding rock classification
CN117664027B (en) * 2024-01-31 2024-04-19 中国科学院武汉岩土力学研究所 Tunnel surrounding rock morphology acquisition device for surrounding rock classification

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