CN114646425B - Rock crushing specific power instrument calibration device and use method - Google Patents
Rock crushing specific power instrument calibration device and use method Download PDFInfo
- Publication number
- CN114646425B CN114646425B CN202210307230.7A CN202210307230A CN114646425B CN 114646425 B CN114646425 B CN 114646425B CN 202210307230 A CN202210307230 A CN 202210307230A CN 114646425 B CN114646425 B CN 114646425B
- Authority
- CN
- China
- Prior art keywords
- impact
- rock
- adapter
- data
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011435 rock Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004164 analytical calibration Methods 0.000 title claims description 4
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 206010024796 Logorrhoea Diseases 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000036540 impulse transmission Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
- G01L25/006—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency for measuring work or mechanical power or mechanical efficiency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Earth Drilling (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the field of rock chiseling specific power meters, in particular to a rock chiseling specific power meter calibrating device and a using method thereof. By arranging the impact indicating power sensor, working data generated when the heavy hammer of the rock chiseling specific power instrument falls down can be recorded, then the data are transmitted to an upper computer through a signal adapter for processing, so that standard deviation can be obtained through calculation of data obtained through multiple measurements, and then calibration is carried out through combination of the standard deviation and standard impact indicating power of the rock chiseling specific power instrument. Therefore, the rock crushing ratio obtained by the rock crushing ratio dynamometer in actual use can be more accurate. The problem that the traditional rock crushing specific power instrument cannot be effectively calibrated in practical use is solved.
Description
Technical Field
The invention relates to the field of rock crushing specific power meters, in particular to a calibration device of a rock crushing specific power meter and a use method thereof.
Background
The rock crushing ratio work instrument is one for detecting rock crushing ratio work.
For example, publication number CN111426583a discloses a rock-crushing specific work tester and a test method thereof, the rock-crushing specific work tester comprises a controller and a host, the controller controls the host to complete test operation; the host comprises an operation box and a fixed base; the bottom of the operating box is provided with a rock sample fixing device, the center of the rock sample fixing device is vertically provided with a guide rod upwards, and the bottom of the guide rod is connected with a drill bit through a drill bit mounting part; the guide rod is sleeved with a heavy hammer; the top of the guide rod is provided with a fixing box for fixing the direction of the guide rod; the power lifting device for lifting the heavy hammer is further arranged in the operation box, the hammer removing device is fixed at the position, close to the top, of the guide rod, when the power lifting device lifts the guide rod to be in contact with the hammer removing device, the hammer removing device separates the heavy hammer from the power lifting device, the heavy hammer falls down, and the drill bit mounting part and the drill bit are hit, so that rock samples are chiseled. The invention can be used for measuring the crushing specific work and the blunt width of the drill blade of the rock, thereby judging the drillability classification and explosiveness of the rock, and has simple and convenient operation and accurate measured value.
Rock chiseling specific power instruments are used in large numbers in the field of geotechnical engineering. However, the conventional rock crushing specific power instrument cannot be effectively calibrated in actual use, so that the magnitude precision of the rock crushing specific power instrument and the credibility of the test result are seriously affected.
Disclosure of Invention
The invention aims to provide a calibration device for a rock drilling and crushing specific power instrument and a use method thereof, which solve the problems of annual inspection and subsequent calibration of the rock drilling and crushing specific power instrument in use and data processing, transmission and storage in the calibration process in the prior art.
In order to solve the technical problems, the first technical scheme adopted by the invention is as follows:
the utility model provides a garrulous than merit appearance calibrating device of rock, includes to strike and shows the merit sensor, signal adapter and host computer, and signal adapter's one end is passed through first data line and is shown the merit sensor and link to each other, and the other end passes through the second data line and links to each other with the host computer, and it includes from supreme oil box, impact sensor piece and the adapter that sets gradually down to strike to show the merit sensor, and the side of oil box is provided with the sensing controller who links to each other with first data line.
The further technical scheme is that hydraulic oil is filled in the oil tank, the upper side of the impact sensing piece is connected with the upper side of the oil box in a sealing way and used for sealing the notch of the oil tank, the upper side of the impact sensing piece is connected with the adapter, the side face of the oil box is provided with a mounting hole communicated with the oil tank, the sensing controller is arranged in the mounting hole, and the sensing controller is internally provided with a pressure-sensitive sensing piece and an MCU control system.
According to the further technical scheme, a first flange is arranged on the upper side of the oil box around the oil groove, a second flange is arranged on the edge of the impact sensing piece, the first flange and the second flange are connected through bolts, and a sealing ring is arranged between the first flange and the second flange.
The further technical scheme is that the upper computer is a notebook computer.
The MCU control system is responsible for resolving the pressure data obtained by the pressure-sensitive sensing sheet into the power-indicating data. The method comprises the following steps: a1, performing analog-to-digital conversion on a pressure analog signal detected by a pressure sensitive sensing sheet by adopting an ADC circuit to obtain continuous magnitude data f (t) of a pressure value, wherein t is the acting time of impact force; a2, carrying out self-adaptive filtering on the collected continuous magnitude data to obtain stable data f a (t) the filter formula is:wherein n is the filter queue width; a3, pair f a (t) performing static force value calibration to obtain f b (t), i.e. let f b (t)＝k·(f a (t)-f a (0) Where k is a static calibration coefficient, given by the calibration of the previous stage of traceability device, f a (0) To establish the zero point of the power measurement f a A measured value of (t); a4, in the impact force action time, for f b (t) integrating to obtain the impact energy w, i.e. w= c f b (t) dt; a5, dynamically correcting the impact power W to obtain impact indicating power W, namely, enabling W=a+bw, wherein a and b are dynamic calibration coefficients, and calibrating and giving the dynamic calibration coefficients by the upper-stage traceability device. A6, transmitting W as an impact indicating power value to the upper computer.
The other technical scheme adopted by the invention is as follows:
the method for using the calibration device of the rock crushing specific power instrument comprises the following steps of S1, placing an impact indicating power sensor at an impacted position of the rock crushing specific power instrument; s2, putting down a drill bit of the rock crushing ratio dynamometer, aligning the position of the impact indicator sensor, adjusting the position to enable the drill bit to be matched with an adapter of the impact indicator sensor when falling down, operating an upper computer, and establishing an indicator measurement zero point; s3, starting a rock chiseling specific power instrument, aiming at the adapter to perform multiple impacts, and recording data; s4, data processing is carried out, and standard deviation S is calculated; s5, giving out a result.
In a further technical scheme, the standard deviation S in the step S4 is calculated as follows,wherein n is the number of measurements, and the single measurement value is A i The average of the multiple measurements is +.>i＝1,2,3，……n。
Compared with the prior art, the invention has the beneficial effects that: by arranging the impact indicating power sensor, working data generated when the heavy hammer of the rock crushing ratio dynamometer falls can be recorded, and then the data are transmitted to an upper computer for processing through a signal adapter, so that standard deviation can be calculated by using data obtained by multiple measurements. When the rock crushing specific power instrument performs the crushing specific power operation, the standard deviation can be utilized to correct the test result, so that the data precision of the rock crushing specific power test result is improved. The signal adapter and the upper computer are combined with the first data line and the second data line, so that the problems of data transmission and storage can be solved. The adapter, the impact sensing piece and the oil box are sequentially arranged from top to bottom, impact force data can be sampled and transmitted to the sensing controller MCU after the adapter receives impact, and the MCU can calculate impact indicating power. Therefore, the impact acting of the rock crushing ratio dynamometer can be accurately measured, the problem that the rock crushing ratio dynamometer cannot be effectively calibrated in actual use is solved, and the magnitude precision of the rock crushing ratio dynamometer and the reliability of the test result are improved.
Drawings
FIG. 1 is a schematic diagram showing the connection of a calibration device for a rock chipping dynamometer according to the present invention.
Fig. 2 is a schematic perspective view of an impact indicator sensor of a calibration device of a rock crushing specific dynamometer according to the present invention.
FIG. 3 is an exploded view of an impact indicator sensor of a calibration device for a rock chipping dynamometer according to the invention.
Fig. 4 is a flowchart of the step of resolving pressure data obtained by the MCU control system of the rock crushing specific power meter calibration device to be power indicating data.
Icon: the device comprises a 20-impact indicating power sensor, a 30-signal adapter, a 40-upper computer, a 1-oil box, a 2-first flange, a 3-sealing ring, a 4-impact sensing piece, a 5-bolt, a 6-protection sleeve, a 7-adapting head and an 8-sensing controller.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 to 4 show an embodiment of the present invention.
Example 1:
the utility model provides a garrulous than merit appearance calibrating device of rock, including striking show merit sensor 20, signal adapter 30 and host computer 40, the one end of signal adapter 30 links to each other through first data line and striking show merit sensor 20, and the other end links to each other through second data line and host computer 40, and strike show merit sensor 20 includes from supreme oil drum 1, striking sense piece 4 and the adapter 7 that set gradually down, and the side of oil drum is provided with the sensing controller 8 that links to each other with first data line.
The hydraulic oil is filled in the oil tank, the impact sensing piece 4 is connected with the upper side of the oil box 1 in a sealing way so as to seal the notch of the oil tank, the upper side of the impact sensing piece 4 is connected with the adapter 7, the side surface of the oil box 1 is provided with a mounting hole communicated with the oil tank, the sensing controller 8 is arranged in the mounting hole, and the sensing controller 8 is internally provided with a pressure-sensitive sensing piece and an MCU control system. When the adapter is subjected to pressure, the pressure is transmitted to the impact sensing piece, the impact sensing piece is pressed by the pressure to squeeze hydraulic oil in the oil groove, so that the pressure-sensitive sensing piece in the sensing controller can sense information of pressure change of the hydraulic oil, the information is transmitted to the MCU control system, the MCU control system solves the pressure data into impact indicating power data, and an operator can acquire the impact indicating power data through the MCU control system, so that the rock crushing ratio instrument is calibrated according to multiple times of data.
The upside of oil box 1 encircles the oil groove and is provided with first flange 2, and the edge of impact sensing piece 4 is provided with the second flange, and first flange 2 and second flange link to each other through bolt 5, are provided with sealing washer 3 between first flange 2 and the second flange. By providing the first flange 2, the second flange and the bolts 5, the oil box 1 and the impact sensor chip 4 can be stably connected together. Through setting up sealing washer 3, the clearance between first flange 2 and the second flange that can be fine is sealed, just so can be fine seal the hydraulic oil in the oil box 1 in the oil groove.
The middle part of the impact sensing piece 4 is provided with a wave-shaped metal film. When the upper surface of the metal film receives impact, the metal film deforms towards the inside of the oil groove, so that the volume in the oil groove is changed, the internal pressure of hydraulic oil is changed, and the pressure sensitive stress sheet can sense the pressure changes, so that the pressure changes are transmitted to the MCU control system. The middle part of the impact sensor chip 4 may be provided as a piston or other structure, so long as the external force can be converted into a force towards the inside of the oil groove, and the pressure of the hydraulic oil can be changed.
Still include protective sheath 6, the outer wall of protective sheath 6 links to each other with the inner wall of second flange, and the inner wall links to each other with the outer wall of adapter 7, and the downside of adapter 7 is laminated with the upside of wave-shaped metal film. The protective sheath 6 is used for even impact surface to the outer wall of protective sheath 6 and the laminating of the inner wall of second flange, the outer wall laminating of inner wall and adapter 7 can play direction's effect like this, when can guarantee that adapter 7 receives the impact force, the impact force can be exact on the metal film of impact sensor piece 4 through the adapter transmission.
The upper side of the adapter 7 is provided with a groove for adapting to the drill bit of the dynamometer. By arranging the groove suitable for the drill bit of the dynamometer, the impulse transmission efficiency can be ensured when the drill bit is impacted. At the same time, the adapter 7 has sufficient rigidity to prevent deformation and energy absorption.
The MCU control system converts the analog signals of the pressure sensitive foil into digital signals and then uploads the digital signals. The pressure-sensitive sensing sheet is used for detecting the pressure of hydraulic oil in the oil box 1 in real time, the MCU control system converts an analog signal of the pressure-sensitive sensing sheet into a digital signal, the digital signal is calibrated through a stored calibration program and dynamic and static calibration coefficients, and then the calibrated data is uploaded to the upper computer 40 through the signal adapter B. The host computer 40 may be a notebook computer. This is convenient to carry and handle.
The MCU control system is responsible for resolving pressure data obtained by the pressure-sensitive sensing sheet into power-indicating data. The method comprises the following steps: a1, performing analog-to-digital conversion on a pressure analog signal detected by a pressure sensitive sensing sheet by adopting an ADC circuit to obtain continuous magnitude data f (t) of a pressure value, wherein t is the acting time of impact force; a2, carrying out self-adaptive filtering on the collected continuous magnitude data to obtain stable data f a (t) the filter formula is:wherein n is the filter queue width; a3, pair f a (t) degree to obtain f b (t), i.e. let f b (t)＝k·(f a (t)-f a (0) Where k is a static calibration coefficient, given by the calibration of the previous stage of traceability device, f a (0) To establish the zero point of the power measurement f a A measured value of (t); a4, in the impact force action time, for f b (t) integrating to obtain the impact energy w, i.e. w= c f b (t) dt; and A5, dynamically correcting the impact power W to obtain impact indicator power W, namely, enabling W=a+bw, wherein a and b are dynamic calibration coefficients, and calibrating and giving by the last-stage traceability device. A6, transmitting W as the impact indicating power value to the upper computer 40.
Example 2:
a method for using the calibration device of the rock drilling specific power instrument in the embodiment 1 includes the following steps that S1, an impact indicator sensor 20 is placed at an impacted position of the rock drilling specific power instrument; s2, putting down a rock crushing ratio dynamometer drill bit, aligning the position of the impact indicator sensor 20, adjusting to enable the drill bit to be matched with an adapter of the impact indicator sensor 20 when falling down, operating the upper computer 40, and establishing an indicator measurement zero point; s3, starting a rock chiseling specific power instrument, aiming at the adapter to perform multiple impacts, and recording data; s4, data processing is carried out, and standard deviation S is calculated; s5, giving out a result.
The standard deviation S in step S4 is calculated as,wherein n is the number of measurements, and the single measurement value is A i The average of the multiple measurements is +.>i＝1,2,3，……n。
And in the process of completing one impact, the average impact force of the hammer head of the rock crushing ratio dynamometer is F, the impact time is t, and then the single impact shows the work W=Ft.
The rock crushing specific work, i.e. the work spent crushing a unit volume of rock, expressed as a, in J/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the The total impact energy of the crushed rock is A, the unit is J, the total volume of the crushed rock is V, and the unit is cm 3 The total impact times are N, the single impact indicating power is W, and the unit is J; then, total impact work a=n×w, rock crushing specific workWhen the rock chiseling specific power instrument is used, the operation is required according to related specifications, and the operation result is calculated according to the fact that the actual impact times are brought into single impact indicating power as W.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a garrulous than merit appearance calibrating device of rock, its characterized in that includes impact indicator sensor (20), signal adapter (30) and host computer (40), the one end of signal adapter (30) is passed through first data line and is linked to each other with impact indicator sensor (20), and the other end is passed through second data line and is linked to each other with host computer (40), impact indicator sensor (20) include from bottom to top oil box (1), impact sensing piece (4) and adapter (7) that set gradually, the side of oil box is provided with sensor controller (8) that link to each other with first data line; the oil box is characterized in that an oil groove with an upward opening is formed in the upper side of the oil box (1), hydraulic oil is filled in the oil groove, the impact sensing piece (4) is connected with the upper side of the oil box (1) in a sealing manner and used for sealing a notch of the oil groove, the upper side of the impact sensing piece (4) is connected with the adapter (7), a mounting hole communicated with the oil groove is formed in the side surface of the oil box (1), the sensing controller (8) is mounted in the mounting hole, and a pressure-sensitive sensing piece and an MCU control system are arranged in the sensing controller (8); the upper side of the oil box (1) surrounds the oil groove, a first flange (2) is arranged at the edge of the impact sensing piece (4), a second flange is arranged at the edge of the impact sensing piece, the first flange (2) is connected with the second flange through a bolt (5), and a sealing ring (3) is arranged between the first flange (2) and the second flange; the upper side of the adapter (7) is provided with a groove for adapting to the drill bit of the dynamometer; the middle part of the impact sensing piece (4) is provided with a wave-shaped metal film; still include protective sheath (6), the outer wall of protective sheath (6) is laminated with the inner wall of second flange, and the outer wall laminating of inner wall and adapter (7).
2. The rock chipping ratio instrument calibration device according to claim 1 wherein: the upper computer (40) is a notebook computer.
3. The rock chipping ratio instrument calibration device according to claim 1 wherein: the MCU control system is responsible for resolving pressure data obtained by the pressure-sensitive sensing sheet into power indicating data.
4. A method of use, characterized in that a rock chipping ratio meter calibration device according to any one of claims 1-3 is applied for calibrating a rock chipping ratio meter, comprising the steps of:
s1, placing an impact indicating power sensor (20) at an impacted position of a rock crushing ratio instrument;
s2, putting down a rock crushing ratio dynamometer drill bit, aligning the position of an impact indicator sensor (20) and adjusting to enable the drill bit to be matched with an adapter of the impact indicator sensor (20) when falling down, and operating an upper computer (40) to establish an indicator measurement zero point;
s3, starting a rock chiseling specific power instrument, aiming at the adapter to perform multiple impacts, and recording data;
s4, data processing is carried out, and standard deviation S is calculated;
s5, giving out a result.
5. The method for using the calibration device of the rock crushing specific power meter according to claim 4, wherein the method comprises the following steps: in the step S4, the data processing includes the following steps:
a1, performing analog-to-digital conversion on a pressure analog signal detected by a pressure sensitive sensing sheet by adopting an ADC circuit to obtain continuous magnitude data f (t) of a pressure value, wherein t is the acting time of impact force;
a2, carrying out self-adaptive filtering on the collected continuous magnitude data to obtain stable data f a (t) the filter formula is:
wherein n is the filter queue width;
a3, pair f a (t) performing static force value calibration to obtain f b (t), i.e. let f b (t)＝k·(f a (t)-f a (0) Where k is a static calibration coefficient, given by the calibration of the previous stage of traceability device, f a (0) To establish the zero point of the power measurement f a A measured value of (t);
a4, in the impact force action time, for f b (t) integrating to obtain the impact energy w, i.e. w= c f b (t)dt；
A5, dynamically correcting the impact power W to obtain impact indicating power W, namely, enabling W=a+bw, wherein a and b are dynamic calibration coefficients, and calibrating and giving by a previous-stage traceability device;
a6, transmitting W as the impact indicating power value to the upper computer (40).
6. The method for using the calibration device of the rock crushing specific power meter according to claim 4, wherein the method comprises the following steps: the standard deviation S in step S4 is calculated as,wherein n is the number of measurements, and the single measurement value is A i The average of the multiple measurements is +.>i＝1,2,3，……n。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307230.7A CN114646425B (en) | 2022-03-25 | 2022-03-25 | Rock crushing specific power instrument calibration device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307230.7A CN114646425B (en) | 2022-03-25 | 2022-03-25 | Rock crushing specific power instrument calibration device and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114646425A CN114646425A (en) | 2022-06-21 |
| CN114646425B true CN114646425B (en) | 2024-03-12 |
Family
ID=81995026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210307230.7A Active CN114646425B (en) | 2022-03-25 | 2022-03-25 | Rock crushing specific power instrument calibration device and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114646425B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071336U (en) * | 1989-10-11 | 1991-02-13 | 冶金工业部自动化研究院 | Oil diaphragm press head |
| US5410905A (en) * | 1993-08-12 | 1995-05-02 | Karani; Ron R. | Meter for comparing impact hammers |
| JPH08170932A (en) * | 1994-12-19 | 1996-07-02 | Nippon Pneumatic Mfg Co Ltd | Impact force measurement method for impact power tool |
| DE102007016792A1 (en) * | 2007-04-05 | 2008-10-30 | Ifm Electronic Gmbh | Measuring cell i.e. pressure measuring cell, for e.g. pressure sensor, has membrane mechanically movable by activatable moving unit, where mechanical impulse is transmittable to medium from membrane during activation of moving unit |
| US7900498B1 (en) * | 2006-06-30 | 2011-03-08 | The United States Of America As Represented By The Secretary Of The Navy | Calibrated impact hammer |
| CN101988865A (en) * | 2009-07-31 | 2011-03-23 | 中国建筑第八工程局有限公司 | Hydraulic jack self-calibrating system and self-calibrating method |
| CN103048074A (en) * | 2011-10-11 | 2013-04-17 | 中国石油化工股份有限公司 | Performance testing device and testing method for petroleum drilling impact device |
| CN205157112U (en) * | 2015-12-02 | 2016-04-13 | 长缆电工科技股份有限公司 | Tube -shape pressure sensor calibration device |
| WO2019052840A1 (en) * | 2017-09-15 | 2019-03-21 | Luxembourg Institute Of Science And Technology (List) | Calibration device and process |
| CN111426583A (en) * | 2020-04-28 | 2020-07-17 | 甘肃环通工程试验检测有限公司 | Rock drilling specific work tester and test method thereof |
-
2022
- 2022-03-25 CN CN202210307230.7A patent/CN114646425B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071336U (en) * | 1989-10-11 | 1991-02-13 | 冶金工业部自动化研究院 | Oil diaphragm press head |
| US5410905A (en) * | 1993-08-12 | 1995-05-02 | Karani; Ron R. | Meter for comparing impact hammers |
| JPH08170932A (en) * | 1994-12-19 | 1996-07-02 | Nippon Pneumatic Mfg Co Ltd | Impact force measurement method for impact power tool |
| US7900498B1 (en) * | 2006-06-30 | 2011-03-08 | The United States Of America As Represented By The Secretary Of The Navy | Calibrated impact hammer |
| DE102007016792A1 (en) * | 2007-04-05 | 2008-10-30 | Ifm Electronic Gmbh | Measuring cell i.e. pressure measuring cell, for e.g. pressure sensor, has membrane mechanically movable by activatable moving unit, where mechanical impulse is transmittable to medium from membrane during activation of moving unit |
| CN101988865A (en) * | 2009-07-31 | 2011-03-23 | 中国建筑第八工程局有限公司 | Hydraulic jack self-calibrating system and self-calibrating method |
| CN103048074A (en) * | 2011-10-11 | 2013-04-17 | 中国石油化工股份有限公司 | Performance testing device and testing method for petroleum drilling impact device |
| CN205157112U (en) * | 2015-12-02 | 2016-04-13 | 长缆电工科技股份有限公司 | Tube -shape pressure sensor calibration device |
| WO2019052840A1 (en) * | 2017-09-15 | 2019-03-21 | Luxembourg Institute Of Science And Technology (List) | Calibration device and process |
| CN111426583A (en) * | 2020-04-28 | 2020-07-17 | 甘肃环通工程试验检测有限公司 | Rock drilling specific work tester and test method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114646425A (en) | 2022-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11747249B2 (en) | Vertical Hopkinson pressure bar test device and test method | |
| US11162969B2 (en) | Underwater detector, instrument and method for measuring velocity and direction of groundwater | |
| CN109779616B (en) | Method for measuring underground drilling pressure and torque | |
| CN201206978Y (en) | Optical grating displacement sensor | |
| EP0386895B1 (en) | Method, system and device for determining quality of assembly of tool parts | |
| CN201555769U (en) | Tension and compression stress strain detecting device | |
| CN107525685A (en) | A kind of test system and its test system of air drill performance | |
| CN101705677B (en) | Method and device for automatically detecting thicknesses of penetration type dregs | |
| CN107882011B (en) | miniature probe with temperature compensation function | |
| WO2019210536A1 (en) | Balance scale for testing air resistance | |
| CN107543734A (en) | A kind of test system and its method of testing of hydraulic gate performance | |
| CN114646425B (en) | Rock crushing specific power instrument calibration device and use method | |
| CN114910367A (en) | Indoor static sounding and bending element combined test system suitable for soil body size strain measurement | |
| CN114354046A (en) | Device and method for simultaneously measuring axial force and bending stress of bolt | |
| CN202362104U (en) | Impact energy detection device for hydraulic breaking hammer | |
| CN114646424B (en) | Traceability calibration method of rock crushing specific power meter calibration device | |
| CN217403983U (en) | Impact power indicator sensor | |
| WO2015103571A1 (en) | System and methodology for determining forces acting on components | |
| CN103604537B (en) | Method for designing force measurement link in high-speed dynamic test | |
| CN207017320U (en) | A kind of foundation pile low-strain dynamic measure system | |
| CN101672812B (en) | Mechanism and method thereof for detecting clamping force of test piece in flat thermal conductivity coefficient measuring instrument | |
| CN207991599U (en) | The underground acquisition component of power and speed signal in standard penetration test (SPT) | |
| CN106610361A (en) | Material hardness unification and comparison research method and hardmeter | |
| CN106599496B (en) | Method for measuring residual stress by ring core method based on numerical calculation | |
| CN205642426U (en) | A equipment for drilling on --spot geotechnological parameter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |