CN107101817A - Coal petrography wall drilling drilling tool drilling performance experimental bench - Google Patents
Coal petrography wall drilling drilling tool drilling performance experimental bench Download PDFInfo
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- CN107101817A CN107101817A CN201710364302.0A CN201710364302A CN107101817A CN 107101817 A CN107101817 A CN 107101817A CN 201710364302 A CN201710364302 A CN 201710364302A CN 107101817 A CN107101817 A CN 107101817A
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- drilling
- coal petrography
- confined pressure
- petrography wall
- drilling tool
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
Coal petrography wall drilling drilling tool drilling performance experimental bench, belongs to coal petrography wall drilling drilling tool drilling performance technical field of measurement and test, and experimental bench includes drilling power set, coal petrography wall confined pressure loading device, hydraulic system and signal acquiring system.Drilling power set include rig, blower fan, drilling tool（Including drilling rod and drill bit）, the gyrator rear end of rig connected by the airduct of seal nipple and blower fan, and gyrator front end clamps drilling rod, and drilling rod end is equipped with drill bit.Coal petrography wall confined pressure loading device includes coal petrography wall, confined pressure support and confined pressure oil cylinder, and confined pressure oil cylinder is from above, the left side and the right side apply confined pressure to coal petrography wall.Hydraulic system includes hydraulic power unit and console, is that drilling power set and coal petrography wall confined pressure loading device provide power.Signal acquiring system acquisition process test signal.Experimental bench can simulate the drilling process of coal petrography wall drilling tool in the case where there is confined pressure effect, evaluate the drilling performance of drilling tool.Experimental result can be used for coal petrography wall drilling drilling tool type selecting, drilling tool parameter and drilling parameter optimization.
Description
Technical field
The present invention relates to a kind of coal petrography wall drilling drilling tool drilling performance experimental bench, and in particular to one kind can be according to underground coal
The situation for the actual crustal stress that palisades are subject in different buried depth, the coal petrography wall drilling drilling tool for applying corresponding confined pressure to coal petrography wall is bored
Cut performance experiment table.
Background technology
Coal is the important foundation energy of China, and various industrial departments will consume substantial amounts of coal every year.Although coal
Consumption ratio, which was focused in the coming years, have been declined, but consumption of coal primary energy consumption in still in occupation of huge ratio
Example, is still one of indispensable basic energy resource of China.Coal industry is while guarantee China economic rapid growth, coal
Mining conditions also constantly deteriorating, outstanding behaviours is the increase of mining depth, the increase of gas pressure and gas bearing capacity, geology
Structural environment is complicated, and Gas Disaster, particularly coal and gas prominent disaster are increasingly serious, this make China turn into the whole world coal with
Gas Outburst disaster the most serious country, the frequency and intensity of outburst of Gas Outburst disaster are all come first of the world.Watt
This extraction be reduce recovery process in gas emission, prevent gas exceeding limit and accumulation, pre- anti-gas explosion and coal and gas
The important measures of prominent accident.Gas pumping is both a Life Engineering for ensureing miner's safety, is also an important resource
Engineering, even more effects a radical cure the fundamental policy of Gas Disaster.Drilling torque and drilling centripetal force of the drilling tool in coal petrography wall drilling process
Change directly influence drilling performance and drilling efficiency of the drilling tool to coal petrography wall.Therefore, buried according to underground coal palisades in difference
The situation for the actual crustal stress being subject to deeply, corresponding confined pressure is applied to coal petrography wall, simulates the process of drilling tool drilling coal petrography wall, test
The drilling performance of coal petrography wall drilling drilling tool, drill drilling tool type selecting to coal petrography wall, and drilling tool and drilling parameter optimization have directive significance.
The content of the invention
In order to improve the test of drilling torque and drilling centripetal force of the coal petrography wall drilling drilling tool during drilling coal petrography wall
The reliability of data, the present invention provides a kind of coal petrography wall drilling drilling tool drilling performance experimental bench.The experimental bench can be according to underground
The situation for the actual crustal stress that coal petrography wall is subject in different buried depth, corresponding confined pressure is applied to coal petrography wall, simulates drilling tool drilling coal
The process of palisades, can be tested the drilling performance of the drilling tool of different model specification during drilling coal petrography wall.
Technical scheme：Coal petrography wall drilling drilling tool drilling performance experimental bench, including the loading of drilling power set, coal petrography wall confined pressure
Device, hydraulic system and signal acquiring system.Drilling power set include rig, blower fan and drilling tool（Including drilling rod and drill bit）.
The gyrator rear end of rig is connected by the airduct of dynamic seal joint and blower fan, and gyrator front end clamps drilling rod, drilling rod end dress
There is drill bit.Coal petrography wall confined pressure loading device includes coal petrography wall, confined pressure support and confined pressure oil cylinder, and confined pressure oil cylinder is separately fixed at confined pressure
Support top, left side, right side, respectively from above, the left side and the right side confined pressure is applied to coal petrography wall.Hydraulic system includes hydraulic power unit
And console, console is connected to hydraulic power unit, and hydraulic power unit is connected to gyrator, feed cylinder, confined pressure by hydraulic hose
Oil cylinder, is that drilling power set and coal petrography wall confined pressure loading device provide power.Signal acquiring system includes pressure sensor, stream
Quantity sensor, speed probe, data collecting instrument and computer, pressure sensor, flow sensor, speed probe respectively with
Data collecting instrument is connected, and data collecting instrument is connected with computer, and signal acquiring system is to the liquid during drilling tool drilling coal petrography wall
The signal of oil pressure, hydraulic fluid flow rate and rod rotation speed is acquired and handled.
Top, left side and the right side of the confined pressure support of described coal petrography wall confined pressure loading device are respectively equipped with confined pressure oil cylinder,
Confined pressure oil cylinder respectively from above, the left side and the right side confined pressure is applied to coal petrography wall.
The confined pressure oil cylinder of described coal petrography wall confined pressure loading device provides power by hydraulic power unit, and control is adjusted in console
System, the situation for the actual crustal stress being subject to according to underground coal palisades in different buried depth applies corresponding confined pressure to coal petrography wall.
The gyrator rear end of the rig of described drilling power set is connected by the airduct of dynamic seal joint and blower fan.
The drilling tool of described drilling power set, including drilling rod and drill bit are replaced by the drilling rod and not of different-diameter specification
The drill bit of same model specification；Described drilling rod and drill bit has centre porosity.
Described coal petrography wall is that water is adhesive, according to difference using the common silicate cements of 42.5# and coal dust as main material
The artificial coal petrography wall with different hardness of formula test.
Described rig gyrator oil inlet is provided with pressure sensor and flow sensor, and the oil-out of gyrator is provided with pressure
Force snesor；Described rig feed cylinder oil inlet is provided with pressure sensor；Described drilling rod is provided with speed probe.
The coal petrography wall drilling drilling tool drilling performance experimental bench of the present invention is simple in construction, and configuration is flexible；Can be according to underground coal
Palisades apply corresponding using coal petrography wall confined pressure loading device in the situation of the actual crustal stress suffered by different buried depth to coal petrography wall
Confined pressure, simulate drilling tool drilling coal petrography wall process, to drilling torque and drilling resistance of the drilling tool during drilling coal petrography wall
Tested, it is ensured that the reliability of test data.
Brief description of the drawings
Fig. 1 is coal petrography wall drilling drilling tool drilling performance experimental bench structural representation of the invention.
Fig. 2 is coal petrography wall confined pressure loading device structural representation of the invention.
Fig. 3 is signal acquiring system schematic diagram of the present invention.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
The coal petrography wall drilling drilling tool drilling performance experimental bench of the present invention, including the loading of drilling power set, coal petrography wall confined pressure
Device, hydraulic system and data collecting system.Drilling power set include rig 1, blower fan 2 and drilling tool（Including drilling rod 5 and drill bit
6）.The front end of gyrator 3 of rig 1 clamps drilling rod 5, and the end of drilling rod 5 is equipped with drill bit 6, drives drilling tool to bore by the revolution of gyrator 3
Cut coal petrography wall；The feed cylinder 4 of rig 1 couples with the bottom of gyrator 3, and flexible by feed cylinder 4 realizes the He of gyrator 3
The drilling feed motion of drilling tool.The rear end of gyrator 3 of rig 1 is connected by dynamic seal joint 10 with the airduct 11 of blower fan 2, rig
1 during drilling coal petrography wall 9, and the pressure-air of blower fan 2, will be from by the access aperture bottom of centre porosity 22 of drilling rod 5 and drill bit 6
The coal petrography slag that drilling is got off on coal petrography wall goes out drilling.Drilling rod 5 and drill bit can be replaced by the drilling rod 5 and not of different-diameter specification
The drill bit 6 of same model specification.
Coal petrography wall confined pressure loading device includes confined pressure support 7, coal petrography wall 9 and confined pressure oil cylinder 8,23,24, and coal petrography wall 9 is placed
On the platform of confined pressure support 7, confined pressure oil cylinder 8,23,24 is separately fixed at the top of confined pressure support 7, left side, right side, respectively from upper
Face, the left side and the right side apply confined pressure to coal petrography wall 9.Coal petrography wall 9 be using the common silicate cements of 42.5# and coal dust as main material,
Water is adhesive, the artificial coal petrography wall with different hardness developed according to different ratio.
Hydraulic system includes hydraulic power unit 12 and console 13, and console 13 is connected to hydraulic power unit 12, hydraulic power unit 12
Gyrator 3, feed cylinder 4, confined pressure oil cylinder 8,23,24 are connected to by hydraulic hose, are gyrator 3, feed cylinder 4, confined pressure
Oil cylinder 8,23,24 provides power.It can change the rotational speed of drilling power set, feed speed by adjusting console 13, and
The situation for the actual crustal stress being subject to according to underground coal palisades 9 in different buried depth, corresponding confined pressure is applied to coal petrography wall 9.
Signal acquiring system include pressure sensor 15,18,20, flow sensor 16, speed probe 21, data are adopted
Collect instrument 25 and computer 26, pressure sensor 15,18,20, flow sensor 16, speed probe 21 respectively with data collecting instrument
25 connections, data collecting instrument 25 is connected with computer 26.When drilling tool drilling has the coal petrography wall 9 of confined pressure, data collecting instrument 25 is adopted
Liquid collecting oil pressure, hydraulic fluid flow rate and the rotary speed data of drilling rod 5 simultaneously transfer data to computer 26, are arranged point by computer 26
Data are analysed, data are substituted into drilling tool drilling torque formula and drilling tool drilling feeds resistance formula, so as to calculate drilling tool in drilling coal
Drilling torque and drilling centripetal force during palisades.Wherein, drilling tool drilling torque calculation formula is：
（In formula：Drilling torque；：The hydraulic fluid pressure of gyrator oil inlet 14 and gyrator oil-out 18 is poor；：Gyrator enters
The flow of hydraulic fluid port 14；：The rotating speed of drilling rod 5；：Rig efficiency, takes 0.95）；Drilling tool drilling centripetal force calculation formula is：（In formula：Drilling centripetal force；：The hydraulic fluid pressure of feed cylinder oil inlet 19；：Feed cylinder 4 it is interior
Cylinder radius）.
Claims (7)
- The drilling tool drilling performance experimental bench 1. coal petrography wall drills, including drilling power set, coal petrography wall confined pressure loading device, hydraulic pressure system System and signal acquiring system；Drilling power set include rig（1）, blower fan（2）And drilling tool（Including drilling rod（5）And drill bit（6））； Rig（1）Gyrator（3）Rear end passes through dynamic seal joint（10）With blower fan（2）Airduct（11）Connection, gyrator（3）Front end Clamp drilling rod（5）, drilling rod（5）End is equipped with drill bit（6）；Coal petrography wall confined pressure loading device includes coal petrography wall（9）, confined pressure support （7）With confined pressure oil cylinder（8）、（23）、（24）, confined pressure oil cylinder（8）、（23）、（24）It is separately fixed at confined pressure support（7）Top, a left side Side, right side, respectively from above, the left side and the right side be to coal petrography wall（9）Apply confined pressure；Hydraulic system includes hydraulic power unit（12）And control Platform processed（13）, console（13）It is connected to hydraulic power unit（12）, hydraulic power unit（12）Gyrator is connected to by hydraulic hose （3）, feed cylinder（4）, confined pressure oil cylinder（8）、（23）、（24）, it is that drilling power set and coal petrography wall confined pressure loading device are provided Power；Signal acquiring system includes pressure sensor（15）、（18）、（20）, flow sensor（16）, speed probe（21）、 Data collecting instrument（25）And computer（26）, pressure sensor（15）、（18）、（20）, flow sensor（16）, speed probe （21）Respectively with data collecting instrument（25）Connection, data collecting instrument（25）With computer（26）Connection, signal acquiring system is to boring Has drilling coal petrography wall（9）During hydraulic fluid pressure, the signal of hydraulic fluid flow rate and rod rotation speed is acquired and handles.
- The drilling tool drilling performance experimental bench 2. coal petrography wall according to claim 1 drills, it is characterised in that：Described coal petrography wall The confined pressure support of confined pressure loading device（7）Top, left side and right side be respectively equipped with confined pressure oil cylinder（8）、（23）、（24）, respectively From above, the left side and the right side be to coal petrography wall（9）Apply confined pressure.
- 3. the coal petrography wall drilling drilling tool drilling performance experimental bench according to claim 1 and 2, it is characterised in that：Described coal The confined pressure oil cylinder of palisades confined pressure loading device（8）、（23）、（24）Power, console are provided by hydraulic power unit 12（13）Adjusted Section, the situation for the actual crustal stress being subject to according to underground coal palisades in different buried depth, to coal petrography wall（9）Apply corresponding confined pressure.
- The drilling tool drilling performance experimental bench 4. coal petrography wall according to claim 1 drills, it is characterised in that：Described drilling is moved The rig of power apparatus（1）Gyrator（3）Rear end passes through dynamic seal joint（10）With blower fan（2）Airduct（11）Connection.
- The drilling tool drilling performance experimental bench 5. coal petrography wall according to claim 1 drills, it is characterised in that：Described drilling is moved The drilling tool of power apparatus, including drilling rod（5）And drill bit（6）It is replaced by the drilling rod of different-diameter specification（5）With different model specification Drill bit（6）；Described drilling rod（5）And drill bit（6）There is centre porosity（22）.
- The drilling tool drilling performance experimental bench 6. coal petrography wall according to claim 1 drills, it is characterised in that：Described coal petrography wall （9）It is that water is adhesive using the common silicate cements of 42.5# and coal dust as main material, is had not according to what different ratio was developed With the artificial coal petrography wall of hardness.
- The drilling tool drilling performance experimental bench 7. coal petrography wall according to claim 1 drills, it is characterised in that：Described rig （1）Gyrator oil inlet（14）Provided with pressure sensor（15）And flow sensor（16）, the oil-out of gyrator（18）It is provided with Pressure sensor（17）；Described rig（1）Feed cylinder oil inlet（19）Provided with pressure sensor（20）；Described drilling rod （5）Provided with speed probe（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710364302.0A CN107101817B (en) | 2017-05-22 | 2017-05-22 | Coal rock wall drilling tool drilling performance experiment table |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710364302.0A CN107101817B (en) | 2017-05-22 | 2017-05-22 | Coal rock wall drilling tool drilling performance experiment table |
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| CN107101817A true CN107101817A (en) | 2017-08-29 |
| CN107101817B CN107101817B (en) | 2023-02-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677439A (en) * | 2017-10-24 | 2018-02-09 | 河南理工大学 | A kind of coal petrography wall drilling drilling tool twisting vibration wireless test experimental bench |
| CN107991113A (en) * | 2017-11-13 | 2018-05-04 | 中国矿业大学 | One kind drills, is split up, cut integration experiment platform and test method |
| CN108952597A (en) * | 2018-07-24 | 2018-12-07 | 邹城兖矿泰德工贸有限公司 | Erosion control drill rod special |
| CN110007064A (en) * | 2019-04-29 | 2019-07-12 | 武汉大学 | A kind of the rock-boring sampling test system and sampling method of biaxial loadings |
| CN110185383A (en) * | 2019-06-14 | 2019-08-30 | 中国科学院武汉岩土力学研究所 | A kind of small indoor drilling parameter device for quick collecting |
| CN113776706A (en) * | 2021-09-10 | 2021-12-10 | 上海煤科检测技术有限公司 | Coal drill rod anti-torque testing device and method |
| CN110185383B (en) * | 2019-06-14 | 2024-05-03 | 中国科学院武汉岩土力学研究所 | Small-size indoor drilling parameter rapid acquisition device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201397207Y (en) * | 2009-04-30 | 2010-02-03 | 中国矿业大学 | Device for continuously testing ground stress of coal rock mass |
| CN205019662U (en) * | 2015-07-21 | 2016-02-10 | 北京师范大学珠海分校 | Can use simulation rock -wall of rock borer and inflation rock nail |
| CN105823854A (en) * | 2016-03-21 | 2016-08-03 | 中国矿业大学 | Gas-solid coupling test device and method for deep coal gas borehole drainage effect |
| US20170003263A1 (en) * | 2015-03-09 | 2017-01-05 | China University Of Mining And Technology | Integrated experimental system of hydrofracturing, water jet slotting, seepage and gas displacement under true triaxial stress |
-
2017
- 2017-05-22 CN CN201710364302.0A patent/CN107101817B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201397207Y (en) * | 2009-04-30 | 2010-02-03 | 中国矿业大学 | Device for continuously testing ground stress of coal rock mass |
| US20170003263A1 (en) * | 2015-03-09 | 2017-01-05 | China University Of Mining And Technology | Integrated experimental system of hydrofracturing, water jet slotting, seepage and gas displacement under true triaxial stress |
| CN205019662U (en) * | 2015-07-21 | 2016-02-10 | 北京师范大学珠海分校 | Can use simulation rock -wall of rock borer and inflation rock nail |
| CN105823854A (en) * | 2016-03-21 | 2016-08-03 | 中国矿业大学 | Gas-solid coupling test device and method for deep coal gas borehole drainage effect |
Non-Patent Citations (1)
| Title |
|---|
| 陈云望等: "冰层取心回转钻进模拟实验台的设计与测试", 《探矿工程(岩土钻掘工程)》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677439A (en) * | 2017-10-24 | 2018-02-09 | 河南理工大学 | A kind of coal petrography wall drilling drilling tool twisting vibration wireless test experimental bench |
| CN107991113A (en) * | 2017-11-13 | 2018-05-04 | 中国矿业大学 | One kind drills, is split up, cut integration experiment platform and test method |
| CN107991113B (en) * | 2017-11-13 | 2019-06-11 | 中国矿业大学 | It is a kind of drill, be split up, cutting integration experiment platform and test method |
| CN108952597A (en) * | 2018-07-24 | 2018-12-07 | 邹城兖矿泰德工贸有限公司 | Erosion control drill rod special |
| CN110007064A (en) * | 2019-04-29 | 2019-07-12 | 武汉大学 | A kind of the rock-boring sampling test system and sampling method of biaxial loadings |
| CN110185383A (en) * | 2019-06-14 | 2019-08-30 | 中国科学院武汉岩土力学研究所 | A kind of small indoor drilling parameter device for quick collecting |
| CN110185383B (en) * | 2019-06-14 | 2024-05-03 | 中国科学院武汉岩土力学研究所 | Small-size indoor drilling parameter rapid acquisition device |
| CN113776706A (en) * | 2021-09-10 | 2021-12-10 | 上海煤科检测技术有限公司 | Coal drill rod anti-torque testing device and method |
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| CN107101817B (en) | 2023-02-24 |
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