CN105649528A - Intelligent fracture-preventing core drilling machine and use method thereof - Google Patents
Intelligent fracture-preventing core drilling machine and use method thereof Download PDFInfo
- Publication number
- CN105649528A CN105649528A CN201610173652.4A CN201610173652A CN105649528A CN 105649528 A CN105649528 A CN 105649528A CN 201610173652 A CN201610173652 A CN 201610173652A CN 105649528 A CN105649528 A CN 105649528A
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- 238000005553 drilling Methods 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000011435 rock Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000002968 anti-fracture Effects 0.000 claims description 17
- 230000005483 Hooke's law Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an intelligent fracture-preventing core drilling machine and a use method thereof, relates to the field of indoor rock machining tools, and aims to realize the purposes of reducing fracture possibility in a rock sample drilling process, realizing automatic sample withdrawing to prevent clamping, realizing intelligent control according to a preset drilling depth, displaying real-time drilling depth, facilitating work, and improving efficiency. The intelligent fracture-preventing core drilling machine is characterized by comprising a drill rod, a drill bit, a water pipe, a single-chip microcomputer, a support column, a transmission screw rod, a display, input equipment, a support seat and a motor, wherein a spring, a rotation shaft, a pressure sensor, a translational rotating shaft and a connecting shaft are arranged in the drill rod. The use method comprises the following steps: inputting depth to be drilled S; turning on a switch, and putting the drill bit to a rock to be drilled; measuring forces exerted on the spring via the pressure sensor along with the drilling of the drill bit, and sending the force values to the single-chip microcomputer; calculating real-time drilling depth S1, and sending the real-time drilling depth S1 to the display; if S1 is equal to S, turning off the switch automatically, and lifting the drill bit up, so that the spring resiles, and the rock sample is withdrawn from the drill rod. The intelligent fracture-preventing core drilling machine and the use method are mainly used for drilling of indoor rock sample preparation.
Description
Technical field
The present invention relates to rock blasting field of tool, particularly relate to intelligent anti-fracture core-drilling machine and using method thereof.
Background technology
Existing core-drilling machine is in use along with drill bit declines, drill through rock part in drill bit, be in free state, along with drill bit quickly rotates, the column core that it is interior is easily twisted off when touching by the core of drill bit inwall and free state from weak structural face, easily causes the damage of rock sample; Existing core-drilling machine is when drilling through soft rock and bedded rock, soft rock is very easily made to twist off along various rock interfaces, and the soft rock after twisting off is stuck in coring steel pipe and is difficult to take out, need to repeatedly beat vibrations steel pipe and coordinate flowing water to wash away detritus in drill bit could to be shaken loose taking-up, thus drill bit can be caused damage, and extremely inefficient; The maximum drilling degree of depth of existing core-drilling machine is fixing, if rock coring height is less than the maximum drilling degree of depth, the drilling degree of depth is controlled only by the cushion block adding certain height at Stroke Control position, this mode is both inconvenient, also inaccuracy, can not obtain the drilling degree of depth accurately in real time in sampling process.
Summary of the invention
The anti-fracture core-drilling machine of intelligence provided by the invention and using method thereof, it is additionally arranged spring, pressure transducer, single-chip microcomputer, display, rock sample axial compressive force can be continuously increased by compression by drilling rod inner spring in the course of the work to improve rock sample interface frictional resistance and protect rock sample not easy fracture to crush, reach anti-fracture effect; During drilling rod lifting, the rock sample being positioned at drilling rod extends at recoil of spring, automatically rock sample compressing is exited drilling rod, it is ensured that rock sample will not be stuck in drilling rod; According to default drilling depth, can be automatically performed and creep into work, it is achieved automatically control intellectuality; According to spring, pressure transducer, single-chip microcomputer, display, real-time drilling depth can also be displayed, easy to use, and then substantially increase work efficiency.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect present invention provides intelligent anti-fracture core-drilling machine, including: drilling rod, described drilling rod one end connects drill bit, the middle part connecting water pipe of described drilling rod, the other end of described drilling rod connects rotation axle, described drilling rod is fixed on one end of equipment platform, the other end of described equipment platform is snapped on drive lead screw, through smooth column in the middle of described equipment platform, the fixing small machine in the upper end of described smooth column and travelling gear, described single-chip microcomputer is connected with described display and input equipment, described column lower end connects fixed supporting seat, working motor creeps into power for offer, described working motor is provided with switches set,
It is provided with spring inside described drilling rod, the upper end of described spring is connected with rotating axle, lower surface flush with drill bit can Free Compression or elongation mobile, described rotation axle is respectively equipped with pressure transducer and translation rotating shaft, is provided with connection axle between described pressure transducer and described translation rotating shaft.
Second aspect present invention provides intelligent anti-fracture core-drilling machine using method, including:
Depth S to be drilled is inputted, in order to be automatically stopped drilling when completing the described degree of depth to be drilled by input equipment;
Opening switch, open working motor, described motor drives and rotates axle high-speed rotation, described rotation axle drives drilling bit high-speed to rotate, and drill bit is placed in rock upper end to be drilled, opens small machine downing switch, drive drilling rod to move down by drive lead screw, rock to be drilled is carried out drilling;
Along with the drilling of described drill bit, spring is subject to the generation deformation that upwards pressure, and pressure transducer records the real-time pressure value suffered by described spring, and is transferred to single-chip microcomputer;
Described single-chip microcomputer obtains described force value, according to Hooke's law: S=F/k, calculates real-time drilling depth S 1, and sends described drilling depth S 1 to display, in order to show the current drilling degree of depth at any time; Wherein F is real-time pressure value, and k is the stiffness factor of spring;
As S1=S, namely when the real-time drilling degree of depth reaches the described degree of depth to be drilled, described in described Single-chip Controlling, the starting switch of working motor disconnects automatically, open the automatic lifting drilling rod of small machine upstream switch simultaneously, set recoil of spring elongation in drilling rod and the rock sample being drilled is exited drilling rod, complete this drilling.
The anti-fracture core-drilling machine of intelligence of embodiment of the present invention offer and using method thereof, including: drilling rod, drill bit, water pipe, single-chip microcomputer, support bar, display, input equipment, supporting seat, motor; It is provided with spring in drilling rod, rotates axle, pressure transducer, translation rotating shaft, connect axle; Input depth S to be drilled; Open switch, drill bit is placed in rock place to be drilled, carries out drilling; Along with the drilling of described drill bit is goed deep into, spring pressurized gradually shortens, and pressure transducer records the real-time pressure value suffered by spring, and is transferred to single-chip microcomputer; Single-chip microcomputer is according to Hooke's law: S=F/k, calculate real-time drilling depth S 1, and send described drilling depth S 1 to display, as S1=S, the switch of working motor described in described Single-chip Controlling disconnects and lifting drilling rod automatically, automatically exits from rock sample, complete this drilling, compared to prior art, the present invention can improve the interface frictional resistance of rock sample in the course of the work by successively increasing rock sample axial compressive force, thus reaching the purpose that protection rock sample not easy fracture is broken; According to default drilling depth, can be automatically performed and creep into work, it is achieved automatically control intellectuality; According to spring, pressure transducer, single-chip microcomputer, display, real-time drilling depth can also be displayed, easy to use, and then substantially increase work efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described.
Fig. 1 is intelligent anti-fracture core-drilling machine composition structural representation in the embodiment of the present invention 1;
Fig. 2 is the enlarged drawing at A place in Fig. 1 of the present invention;
Fig. 3 is intelligent anti-fracture core-drilling machine using method schematic flow sheet in the embodiment of the present invention 2.
In figure, 1. drilling rod, 11. springs, 12. rotation axle, 13. pressure transducers, 14. translation rotating shafts, 15. connection axle, 2. drill bit, 3. water pipe, 4. single-chip microcomputer, 5. smooth column, 6. small machine and travelling gear, 7. display and input equipment, 8. supporting seat, 9. working motor, 10. equipment platform, 91. switches set, 92. drive lead screws.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described. Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
The embodiment of the present invention provides intelligent anti-fracture core-drilling machine, as shown in Figure 1, including: drilling rod 1, described drilling rod 1 one end connects drill bit 2, connecting water pipe 3 in the middle part of described drilling rod, described drilling rod 1 is fixed on one end of equipment platform 10, described equipment platform 10 is snapped on drive lead screw 92, through smooth column 5 in the middle part of it, described column 5 upper end connects small machine and travelling gear 6, described single-chip microcomputer 4 and described pressure transducer 13 and described display and input equipment 7 are connected, described support bar 5 lower end connecting support seat 8, working motor 9 is used for providing operation power, described motor 9 is provided with switches set 91.
Herein it should be understood that the present invention to select single-chip microcomputer, display, the parameters such as the concrete model of motor, specification, operating power do not do any restriction, when producing, all can choose according to the actual needs, in addition, single-chip microcomputer completes the programming needed for function of the present invention, and the present embodiment does not just repeat at this.
As shown in Figure 2, described drilling rod 1 interior forward end is provided with spring 11, one end of described spring 11 freely flushes with described drill bit 2 front end, the other end of described spring 11 is connected with rotating axle 12, described rotation axle 12 is respectively equipped with pressure transducer 13 and translation rotating shaft 14, is provided with connection axle 15 between described pressure transducer 13 and described translation rotating shaft 14.
Wherein, the part that spring 11 is made with elastomeric material deforms upon under external force, restores to the original state again after removing external force, can according to Hooke's law: S=F/k, calculates real-time drilling depth S; Wherein F is real-time pressure value, and k is the stiffness factor of spring.
Pressure transducer 13 is a kind of sensor the most commonly used in industrial practice, it is widely used in various industry automatic control environment, relates to numerous industries such as water conservancy and hydropower, railway traffic, intelligent building, production automatic control, Aero-Space, military project, petrochemical industry, oil well, electric power, boats and ships, lathe, pipeline. Its operation principle: deposition tube impedance diffusion pressure sensor is to form semiconductor strain pressure at sheet surface, makes thin metal plate produce Piezoelectric Impedance effect by external force (pressure), so that the change of impedance converts the signal of telecommunication to.
Herein it should be understood that the choosing of spring of the present invention 11 and pressure transducer 13, for instance: the stiffness factor of spring 11, pressure transducer 13 measurement scope etc. all can choose according to actual needs.
The operation principle of the anti-fracture core-drilling machine of intelligence provided by the invention: input depth S to be drilled by input equipment, in order to be automatically stopped drilling when completing the described degree of depth to be drilled; Opening switch, open working motor, described motor drives and rotates axle high-speed rotation, described rotation axle drives drilling bit high-speed to rotate, drill bit is placed in rock place to be drilled, opens small machine and travelling gear, drive drilling rod to move down by drive lead screw and rock to be drilled is carried out drilling; Along with the drilling of described drill bit is goed deep into, spring is subject to rock sample extruding upwards and produces deformation, the counteracting force that spring-compressed deformation produces is for improving the interface frictional resistance of rock sample and protecting rock sample to rupture, pressure transducer records the real-time pressure value suffered by described spring, and is transferred to single-chip microcomputer;Described single-chip microcomputer obtains described force value, according to Hooke's law: S=F/k, calculates real-time drilling depth S 1, and sends described drilling depth S 1 to display, in order to show the current drilling degree of depth at any time; Wherein F is real-time pressure value, and k is the stiffness factor of spring; As S1=S, namely when the real-time drilling degree of depth reaches the described degree of depth to be drilled, described in described Single-chip Controlling, the switch of working motor disconnects automatically, automatically turn on small machine upstream switch simultaneously, by travelling gear and drive lead screw lifting drilling rod, rock sample in it is extruded by drilling rod inner spring resilience elongation, completes this drilling.
The anti-fracture core-drilling machine of intelligence that the embodiment of the present invention provides, including: drilling rod, drill bit, water pipe, single-chip microcomputer, smooth column, display, input equipment, travelling gear and screw mandrel, supporting seat, working motor, small size motor, equipment platform, it is provided with spring in drilling rod, rotates axle, pressure transducer, translation rotating shaft, connect axle, input depth S to be drilled, open switch, drill bit is placed in rock place to be drilled, carries out drilling, along with the drilling of described drill bit, pressure transducer records the real-time pressure value suffered by spring, and is transferred to single-chip microcomputer, single-chip microcomputer is according to Hooke's law: S=F/k, calculate real-time drilling depth S 1, and send described drilling depth S 1 to display, as S1=S, the switch of working motor described in described Single-chip Controlling automatically disconnects and automatically turns on small machine upstream switch simultaneously, by travelling gear and drive lead screw lifting drilling rod, rock sample in phase is extruded by drilling rod inner spring resilience elongation, complete this drilling, compared to prior art, constantly interface frictional resistance can be increased by rock sample is applied axial compressive force in the course of the work by compression deformation of the spring, protection rock sample not easy fracture crushes, reach anti-fracture effect, according to default drilling depth, can be automatically performed and creep into and move back sample work, it is achieved automatically control intellectuality, according to spring, pressure transducer, single-chip microcomputer, display, real-time drilling depth can also be displayed, easy to use, and then substantially increase work efficiency.
Embodiment 2
The embodiment of the present invention provides intelligent anti-fracture core-drilling machine using method, as it is shown on figure 3, include:
201, depth S to be drilled is inputted by input equipment 7, in order to be automatically stopped drilling when completing the described degree of depth to be drilled.
202, switches set 91 is opened, open working motor 9, described motor 9 drives and rotates axle 12 high-speed rotation, described rotation axle 12 drives drill bit 2 high-speed rotation, drill bit 2 is placed in rock place to be drilled, open small machine and travelling gear, drive drilling rod to move down by drive lead screw and rock to be drilled is carried out drilling.
203, along with the drilling of described drill bit 2, spring 11 is subject to rock sample and upwards pressure generation deformation, and pressure transducer 13 records the real-time pressure value suffered by described spring 11, and is transferred to single-chip microcomputer 4.
204, described single-chip microcomputer 4 obtains described force value, according to Hooke's law: S=F/k, calculates real-time drilling depth S 1, and sends described drilling depth S 1 to display 6, in order to show the current drilling degree of depth at any time; Wherein F is real-time pressure value, and k is the stiffness factor of spring.
205, as S1=S, namely when the real-time drilling degree of depth reaches the described degree of depth to be drilled, described single-chip microcomputer 4 controls the switches set 91 of described working motor 9 and automatically disconnects and open small machine upstream switch, by travelling gear and drive lead screw lifting drilling rod, rock sample is extruded by drilling rod inner spring resilience elongation, completes this drilling.
The anti-fracture core-drilling machine using method of intelligence that the embodiment of the present invention provides, including: input depth S to be drilled;Open switch, drill bit is placed in rock place to be drilled, open small machine downing switch and carry out drilling; Along with the drilling of drill bit, pressure transducer records the real-time pressure value suffered by spring, and is transferred to single-chip microcomputer; Single-chip microcomputer is according to Hooke's law: S=F/k, calculate real-time drilling depth S 1, and send drilling depth S 1 to display, as S1=S, the switch of Single-chip Controlling working motor disconnects and lifting drilling rod automatically, and spring automatic rebounding extrudes rock sample, complete this drilling, compared to prior art, it is possible to apply axial compressive force by the built-in spring of drilling rod and increase interface frictional resistance in the course of the work, reach the purpose that protection rock sample not easy fracture is broken; According to default drilling depth, can be automatically performed and creep into and move back sample work, it is achieved automatically control intellectuality; According to spring, pressure transducer, single-chip microcomputer, display, real-time drilling depth can also be displayed, easy to use, and then substantially increase work efficiency.
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required common hardware by software to the present invention and realize, naturally it is also possible to by hardware, but in a lot of situation, the former is embodiment more preferably. Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk such as computer, hard disk or CD etc., including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) performs the method described in each embodiment of the present invention.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (1)
1. intelligent anti-fracture core-drilling machine, it is characterized in that, including: drilling rod (1), described drilling rod (1) lower end connects drill bit (2), described drilling rod (1) upper end connects connecting water pipe (3) in the middle of rotation axle (12), described drilling rod (1) is fastened transversely to equipment platform (10), described equipment platform (10) is click-on connected in drive lead screw (92) and passes through smooth column (5) in middle part, the upper end of described smooth column (5) is fixed small machine and travelling gear (6) and is connected the power for providing drilling rod to move up and down with drive lead screw (92), the lower end of described smooth column (5) is connected to supporting seat (8), described equipment platform (10) is fixed with single-chip microcomputer (4), described single-chip microcomputer (4) is connected with described input equipment and display (7) and described pressure transducer (13) respectively, the other end of described equipment platform (10) is fixed with working motor (9) and is used for providing operation power, described motor (9) is provided with switches set (91),
Described drilling rod (1) interior forward end is provided with spring (11), the upper end of described spring (11) is connected lower end with rotation axle (12) and freely and flushes with drill bit (2) termination, described rotation axle (12) is respectively equipped with pressure transducer (13) and translation rotating shaft (14), being provided with connection axle (15) between described pressure transducer (13) and described translation rotating shaft (14), pressure transducer (13) is connected with single-chip microcomputer (4).
The anti-fracture core-drilling machine using method of intelligence, it is characterised in that including:
Depth S to be drilled is inputted, in order to be automatically stopped drilling when completing the described degree of depth to be drilled by input equipment (7);
Open the work drive motor switch in switches set (91), open working motor (9), described motor (9) drives and rotates axle (12) high-speed rotation, described rotation axle (12) drives drill bit (2) high-speed rotation, drill bit (2) is placed in rock place to be drilled, open the small machine downing switch in switches set (91), opening small machine and travelling gear (6) drives equipment platform (10) to drive drill bit (2) to move down by drive lead screw (92), and rock to be drilled is carried out drilling;
Along with rock interior is cut in the drilling of described drill bit (2), spring (11) is subject to rock sample compressive deformation upwards and produces pressure, pressure transducer (13) records the real-time pressure value suffered by described spring (11), and is transferred to single-chip microcomputer (4);
Described single-chip microcomputer (4) obtains described force value, according to Hooke's law: S=F/k, calculates real-time drilling depth S 1, and sends described drilling depth S 1 to display (7), in order to show the current drilling degree of depth at any time; Wherein F is real-time pressure value, and k is the stiffness factor of spring;
As S1=S, namely when the real-time drilling degree of depth reaches the described degree of depth to be drilled, described single-chip microcomputer (4) controls the shutdown switch of the switches set (91) of described working motor (9), automatically work drive motor is disconnected, start the upstream switch of small machine simultaneously, by travelling gear and drive lead screw (92) rising drilling rod (1), rock sample automatic-extrusion drilling rod (1) that spring (11) will cut simultaneously, completes this drilling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173652.4A CN105649528A (en) | 2016-03-22 | 2016-03-22 | Intelligent fracture-preventing core drilling machine and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610173652.4A CN105649528A (en) | 2016-03-22 | 2016-03-22 | Intelligent fracture-preventing core drilling machine and use method thereof |
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Cited By (8)
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| CN105974307A (en) * | 2016-08-01 | 2016-09-28 | 厦门理工学院 | Device and method for online monitoring comprehensive characteristics of high-voltage circuit breaker |
| CN107167338A (en) * | 2017-05-24 | 2017-09-15 | 中国水利水电科学研究院 | Great burying soil sampling apparatus and system based on ultrasonic wave |
| CN109176733A (en) * | 2018-11-05 | 2019-01-11 | 谢国宁 | Furniture panel drilling machine |
| CN112935319A (en) * | 2021-01-22 | 2021-06-11 | 杨春银 | Environment-friendly drilling device for hardware machining |
| CN114434324A (en) * | 2022-02-10 | 2022-05-06 | 浙江久立特材科技股份有限公司 | Grinding device with pressure feedback |
| CN114559075A (en) * | 2022-02-24 | 2022-05-31 | 高驰(长兴)精密机械有限公司 | High-precision drilling and milling machine |
| WO2023078334A1 (en) * | 2021-11-03 | 2023-05-11 | 深圳市房屋安全和工程质量检测鉴定中心 | Intelligent core drilling monitoring system having early-warning function and monitoring method |
| CN118010408A (en) * | 2024-04-09 | 2024-05-10 | 河南工学院 | Concrete strength detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105974307A (en) * | 2016-08-01 | 2016-09-28 | 厦门理工学院 | Device and method for online monitoring comprehensive characteristics of high-voltage circuit breaker |
| CN107167338A (en) * | 2017-05-24 | 2017-09-15 | 中国水利水电科学研究院 | Great burying soil sampling apparatus and system based on ultrasonic wave |
| CN109176733A (en) * | 2018-11-05 | 2019-01-11 | 谢国宁 | Furniture panel drilling machine |
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| WO2023078334A1 (en) * | 2021-11-03 | 2023-05-11 | 深圳市房屋安全和工程质量检测鉴定中心 | Intelligent core drilling monitoring system having early-warning function and monitoring method |
| CN114434324A (en) * | 2022-02-10 | 2022-05-06 | 浙江久立特材科技股份有限公司 | Grinding device with pressure feedback |
| CN114559075A (en) * | 2022-02-24 | 2022-05-31 | 高驰(长兴)精密机械有限公司 | High-precision drilling and milling machine |
| CN118010408A (en) * | 2024-04-09 | 2024-05-10 | 河南工学院 | Concrete strength detection device |
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Application publication date: 20160608 |