CN113216939B - Drilling machine drill depth meter and meter counting method - Google Patents
Drilling machine drill depth meter and meter counting method Download PDFInfo
- Publication number
- CN113216939B CN113216939B CN202110288239.3A CN202110288239A CN113216939B CN 113216939 B CN113216939 B CN 113216939B CN 202110288239 A CN202110288239 A CN 202110288239A CN 113216939 B CN113216939 B CN 113216939B
- Authority
- CN
- China
- Prior art keywords
- clutch
- gear
- hydraulic
- meter
- clamping mechanism
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000006386 memory function Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
Landscapes
- 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)
- Geophysics (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to the technical field of drilling measurement of a drilling machine, in particular to a drilling machine drilling depth meter, which comprises a counting coding and storing component, a metering gear, a hydraulic clutch, an input gear, a clutch gear and a rack, wherein the metering gear is sleeved on an input shaft of the counting coding and storing component, the clutch gear is connected with the input gear through the hydraulic clutch, the rack is arranged on a rack guide rail and is guided along a moving frame guide rail, and the input gear is meshed with the rack; the oil inlet of the clutch is connected with the oil inlet of the hydraulic clamping mechanism in parallel, the hydraulic clutch is closed when the hydraulic clamping mechanism is in a clamping state, and the hydraulic clutch is separated when the hydraulic clamping mechanism is in a non-clamping state. The meter counter can automatically record drilling footage of a drilling machine, store a plurality of drilling footage data, and realize effective drilling depth of the automatic metering drilling tool through the parallel connection of the hydraulic clutch and the hydraulic clamping mechanism of the drilling tool, and is simple and convenient to operate.
Description
Technical Field
The invention relates to the technical field of drilling measurement of a drilling machine, in particular to a deep drilling meter and a metering method of the drilling machine.
Background
At present, engineering machinery is developed towards serialization, diversification and intellectualization. Drilling machines are increasingly receiving attention as conventional engineering machinery. At present, the normal state during drilling: when the drilling machine drills normally, the chuck carries the pipe to drill, and the clamping mechanism is in a null state after drilling is completed; emergency during drilling: the drilling and feeding are difficult or small-range hole collapse is encountered, and the clamping mechanism is required to operate to repeatedly lift and pull the pipe with the clamping mechanism and feed the drilling tool to pass through a complex geological zone. Because the pipe carrying backing action is existed in the emergency during drilling, the meter counting system can not recognize that the step is pipe carrying backing, so the meter counting of drilling by the drilling machine is difficult to realize all the time, and the statistics of the drilling length of the current drilling machine is mostly realized by adopting a manual recording mode. And because constructors are influenced by factors such as time, space, environment, complex drilling process and the like, the body and mind of the constructors are always in a tension state, and the behaviors of the constructors are different from those of the constructors under normal conditions. Therefore, statistics of drilling footage often show the phenomena of neglected recording, ambiguity and even data loss.
The intelligent progress of the drilling machine is limited, the labor intensity of workers is increased, and the working efficiency of drilling is affected.
Therefore, the drill depth meter is arranged on the drilling machine, and the automatic recording of the drilling footage is of great significance.
Disclosure of Invention
In order to solve the problems, the invention provides a drilling depth meter for a drilling machine, which can automatically record the drilling length of the drilling machine and store a plurality of drilling depth data.
In order to achieve the above purpose, the invention adopts the following technical scheme:
In a first technical scheme, the drilling machine drill depth meter is used for measuring the drill depth of a drilling machine, the drilling machine is clamped by a hydraulic clamping mechanism, the drilling machine drill depth meter is arranged on a power head chuck base, the power head chuck base is slidably arranged on a rack guide rail, the drilling machine drill depth meter comprises a counting coding and storage assembly, a metering gear, a hydraulic clutch, an input gear, a clutch gear and a rack, the metering gear is sleeved on an input shaft of the counting coding and storage assembly, the clutch gear is connected with the input gear through the hydraulic clutch, the rack guide rail is provided with a rack which is arranged along a motor frame guide rail, and the input gear is meshed with the rack;
The oil inlet of the clutch is connected with the oil inlet of the hydraulic clamping mechanism in parallel, the hydraulic clamping mechanism is closed when in a clamping state, and the hydraulic clamping mechanism is separated when in a non-clamping state.
In a first technical scheme, as an preference, the counting coding and storing component comprises a counter, an encoder and a storing and wireless unit, wherein an RS485 communication module and a wireless communication module are arranged in the storing and wireless unit and are used for USB connection and data copying, direct connection and computer display or wireless data transmission.
In the first aspect, preferably, the counting coding and storing component is a bidirectional counting module, the positive rotation number value is increased, and the reverse rotation number value is decreased.
In the first technical solution, preferably, the counting coding and storing component has a power-off memory function, and the power-off data is not lost.
In the first technical solution, preferably, a parameter setting button, a data clearing button, and the like are set on the counter.
In the first technical scheme, as an optimization, the drilling machine drill depth meter further comprises a shell, a bearing, a transmission shaft and a mounting seat, wherein an inner hole of a clutch gear is connected with an outer ring of the bearing 10, an inner ring of the bearing is connected with the transmission shaft 11, an input gear is connected with the transmission shaft through a spline, the transmission shaft is mounted on the mounting seat, and the mounting seat is mounted on the shell through a screw and a locating pin.
In the first technical solution, preferably, the clutch gear includes a nozzle tip, and the nozzle tip is mounted on a side wall of the housing through a nozzle tip fixing seat.
In the first technical aspect, preferably, a pressure reducing valve is disposed on the oil inlet nozzle.
In a second technical scheme, a metering method of a drilling machine drill depth meter uses the drilling machine drill depth meter in the first technical scheme, and an oil supply pipeline of a hydraulic clutch is connected in parallel with an oil inlet of a clamping mechanism which is used for clamping drilling equipment and driving a drilling tool to advance and retreat, and a pressure reducing valve is arranged on the oil supply pipeline of the hydraulic clutch;
When the hydraulic system of the drilling machine supplies oil for the clamping mechanism to clamp the drilling tool to drill, and simultaneously supplies oil for the hydraulic clutch connected in parallel with an oil way of the hydraulic clamping mechanism, so that the hydraulic clutch is in a closed state, at the moment, a rack respectively arranged on a rack guide rail and a power head chuck base and an input gear in a meter main body enable the linear reciprocating motion to be converted into rotary motion, the input gear rotates to drive a transmission shaft and the hydraulic clutch and the clutch gear arranged on the installation shaft to rotate, and the clutch gear drives the rotation of the meter gear meshed with the clutch gear to enable a counting coding and storage assembly to start recording data;
When the clamping mechanism is not supplied with oil, the hydraulic clutch connected with the oil way of the clamping mechanism is not supplied with oil, the hydraulic clutch is in a separation state, and at the moment, the relative displacement of the rack and the input gear in the meter counter body can not drive the clutch gear and the meter counter gear to rotate, so that the counting code and storage component does not record data.
The beneficial effects of the invention are as follows:
the meter-counting coding and storage assembly adopted by the invention integrates the storage unit, can store a plurality of drilling depth data, and the data can be transmitted to the well for processing and analysis through a USB flash disk, networking or wireless transmission.
The meter counter is connected in parallel with the hydraulic clamping mechanism of the drilling tool through the hydraulic clutch, can automatically meter the effective drilling depth of the drilling tool, and is simple and convenient to operate.
Drawings
FIG. 1 is a schematic view of a depth-of-bore meter of a drilling machine according to the present invention.
Fig. 2 is a schematic top view of the drill depth meter of the present invention.
FIG. 3 is a schematic diagram of the counting code and storage assembly of the drill depth counter of the present invention.
The reference numerals include:
1-counting coding and storage components, 2-metering gears, 3-shells, 4-hydraulic clutches, 5-input gears, 6-clutch gears, 7-installation seats, 8-oil inlet nozzle fixing seats, 9-pressure reducing valves, 10-bearings, 11-transmission shafts, 12-racks, 13-frame guide rails, 14-power head chuck bases and 15-screws;
101-encoder, 102-storage and wireless unit, 103-counter.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, the present embodiment provides a drilling machine drill depth meter for measuring the drill depth of a drilling machine, the drilling machine is clamped by a hydraulic clamping mechanism, the drilling machine drill depth meter is mounted on a power head chuck base 14, the power head chuck base 14 is slidably mounted on a rack guide rail 13, the drilling machine drill depth meter comprises a counting coding and storing assembly 1, a meter gear 2, a hydraulic clutch 4, an input gear 5, a clutch gear 6 and a rack 12, wherein the meter gear 2 is sleeved on an input shaft of the counting coding and storing assembly 1, the clutch gear 6 is connected with the input gear 5 through the hydraulic clutch 4, the rack 12 which is arranged along the guiding direction of the rack guide rail 13 is arranged on the rack guide rail 13, and the input gear 5 is meshed with the rack 12;
the oil inlet of the clutch is connected with the oil inlet of the hydraulic clamping mechanism in parallel, the hydraulic clutch 4 is closed when the hydraulic clamping mechanism is in a clamping state, and the hydraulic clutch 4 is separated when the hydraulic clamping mechanism is in a non-clamping state.
The counting coding and storing assembly 1 comprises a counter 103, an encoder 101 and a storing and wireless unit 102, wherein an RS485 communication module and a wireless communication module are arranged in the storing and wireless unit 102 and are used for copying data through USB connection, displaying by a direct-connection computer or transmitting data wirelessly. The counting coding and storage component 1 is a bidirectional counting module, the positive revolution number value is increased, and the reverse revolution number value is reduced. The counting coding and storage component 1 is a storage component with a power failure memory function, and power failure data are not lost. The counter 103 is provided with a parameter setting button, a data clear button, and the like.
The drilling machine drill depth meter further comprises a shell 3, a bearing 10, a transmission shaft 11 and a mounting seat 7, wherein an inner hole of the clutch gear 6 is connected with an outer ring of the bearing 10, an inner ring of the bearing 10 is connected with the transmission shaft 11, the input gear 5 is connected with the transmission shaft 11 through a spline, the transmission shaft 11 is mounted on the mounting seat 7, and the mounting seat 7 is mounted on the shell 3 through a screw 15 and a locating pin.
The clutch gear 6 comprises a nozzle tip, and the nozzle tip is arranged on the side wall of the shell 3 through a nozzle tip fixing seat 8. The oil inlet nozzle is provided with a pressure reducing valve 9.
Specifically, the implementation provides a drilling machine drill depth meter, which comprises a meter main body and a 12-rack. The meter counting device comprises a meter counting and encoding and storing assembly 1, a meter counting gear 2, a shell 3, a hydraulic clutch 4, an input gear 5, a clutch gear 6, a mounting seat 7, an oil inlet nozzle fixing seat 8, pressure reducing valves 9 and 10, bearings, a transmission shaft 11 and a rack 12, wherein the meter counting device body is mounted on a power head chuck base 14 of a drilling machine, and the rack 12 is mounted on the side face of a frame guide rail 13 of the drilling machine. The meter body is a housing 3 and a component mounted therein. The meter counter body comprises a counting code and storage assembly 1, a meter counting gear 2, a shell 3, a hydraulic clutch 4, an input gear 5, a clutch gear 6, a mounting seat 7, an oil inlet nozzle fixing seat 8, pressure reducing valves 9 and 10, bearings and a transmission shaft 11. The clutch gear 6 is fixedly connected with the hydraulic clutch 4 through bolts 15, an inner hole of the clutch gear 6 is connected with an outer ring of a bearing 10, an inner ring of the bearing 10 is connected with a transmission shaft 11, an input gear 5 is connected with the transmission shaft 11 through a spline, the transmission shaft 11 is installed on an installation seat 7, the installation seat 7 is installed on the shell 3 through bolts 15 and a locating pin, a rack 12 is installed on the side wall of a rack guide rail 13, and the input gear 5 is meshed with the rack 12.
The oil supply pipeline of the hydraulic clutch 4 is connected in parallel with the oil inlet of the clamping mechanism which performs clamping on the drilling machine equipment and drives the drilling tool to advance and retreat, the pressure reducing valve 9 is arranged on the oil supply pipeline of the hydraulic clutch 4 so as to ensure that the normal operation of the hydraulic clutch 4 assembly is not influenced by the larger working pressure of the clamping mechanism, and when the system supplies oil for the hydraulic clutch 4, the hydraulic clutch 4 is in a closed state; when the hydraulic clutch 4 is not supplied with oil, the hydraulic clutch 4 is in a disengaged state;
Generally, the use of the device is as follows, and the meter body and the rack 12 are respectively mounted on the side of the power head chuck base 14 and the side of the frame rail 13 according to design requirements. The oil supply line of the clamping mechanism is connected in parallel with the oil supply line of the hydraulic clutch 4, and a pressure reducing valve 9 is installed in the oil supply line of the hydraulic clutch 4. When the drilling machine drills or retreats, the frame guide rail 13 and the power head chuck base 14 generate linear reciprocating motion, the rack 12 respectively arranged on the frame guide rail 13 and the power head chuck base 14 and the input gear 5 in the meter main body convert the linear reciprocating motion into rotary motion, the input gear 5 rotates to drive the transmission shaft 11 and the hydraulic clutch 4 and the clutch gear 6 arranged on the installation shaft 11 to rotate, and the clutch gear 6 drives the meter gear 2 meshed with the clutch gear to rotate so that the counting, coding and storing assembly 1 starts to record data. The data may be set to be recorded automatically every n meters (the smaller the value of n, the more accurate the recording).
The storage and wireless unit 102 provided by the invention can continuously record and wirelessly transmit the depths of a plurality of construction drill holes, so that the total footage of construction can be calculated conveniently.
Example 2
According to the metering method of the drilling machine drill depth meter provided by the embodiment, in the drilling machine drill depth meter provided by the embodiment 1, an oil supply pipeline of a hydraulic clutch 4 is connected in parallel with an oil inlet of a clamping mechanism which is used for clamping drilling equipment and driving a drilling tool to advance and retreat, and a pressure reducing valve 9 is arranged on the oil supply pipeline of the hydraulic clutch 4;
When the hydraulic system of the drilling machine supplies oil to the clamping mechanism to clamp the drilling tool for drilling construction, and simultaneously supplies oil to the hydraulic clutch 4 which is connected in parallel with an oil way of the hydraulic clamping mechanism, so that the hydraulic clutch 4 is in a closed state, at the moment, the rack 12 respectively arranged on the rack guide rail 13 and the power head chuck base 14 and the input gear 5 in the meter main body convert the linear reciprocating motion into rotary motion, the input gear 5 rotates to drive the transmission shaft 11 and the hydraulic clutch 4 and the clutch gear 6 arranged on the installation shaft to rotate, and the clutch gear 6 drives the meter gear 2 meshed with the clutch gear to rotate so that the counting coding and storage assembly 1 starts recording data;
When the clamping mechanism is not supplied with oil, the hydraulic clutch 4 connected in parallel with the oil way of the clamping mechanism is not supplied with oil, the hydraulic clutch 4 is in a disengaged state, and at the moment, the relative displacement of the rack 12 and the input gear 5 in the meter main body cannot drive the clutch gear 6 and the meter gear 2 to rotate, so that the counting coding and storing assembly 1 does not record data.
The foregoing is merely exemplary of the present invention, and many variations may be made in the specific embodiments and application scope of the invention by those skilled in the art based on the spirit of the invention, as long as the variations do not depart from the gist of the invention.
Claims (5)
1. The utility model provides a drilling machine bores deep metering ware for measure the drilling depth of drilling machine drilling tool, this drilling tool passes through hydraulic clamping mechanism centre gripping, drilling machine bores deep metering ware installs at the unit head chuck base, and unit head chuck base slidable installs on the frame guide rail, its characterized in that: the drilling machine drill depth meter comprises a counting coding and storing assembly, a meter counting gear, a hydraulic clutch, an input gear, a clutch gear and a rack, wherein the meter counting gear is sleeved on an input shaft of the counting coding and storing assembly, the clutch gear is connected with the input gear through the hydraulic clutch, the rack is arranged on a rack guide rail and guided along a motor rack guide rail, and the input gear is meshed with the rack;
The oil inlet of the clutch is connected with the oil inlet of the hydraulic clamping mechanism in parallel, the hydraulic clamping mechanism is closed when in a clamping state, and the hydraulic clamping mechanism is separated when in a non-clamping state; the drill depth meter of the drilling machine further comprises a shell, a bearing, a transmission shaft and a mounting seat, wherein an inner hole of a clutch gear is connected with an outer ring of the bearing, an inner ring of the bearing is connected with the transmission shaft, an input gear is connected with the transmission shaft through a spline, the transmission shaft is mounted on the mounting seat, and the mounting seat is mounted on the shell through a screw and a locating pin; the clutch gear comprises an oil inlet nozzle, and the oil inlet nozzle is arranged on the side wall of the shell through an oil inlet nozzle fixing seat; the oil inlet nozzle is provided with a pressure reducing valve;
The oil supply pipeline of the hydraulic clutch is connected in parallel with the oil inlet of the clamping mechanism which performs clamping on the drilling machine equipment and drives the drilling tool to advance and retreat, and the pressure reducing valve is arranged on the oil supply pipeline of the hydraulic clutch so as to ensure that the normal operation of the hydraulic clutch assembly is not influenced by the larger working pressure of the clamping mechanism; when the hydraulic clutch does not supply oil, the hydraulic clutch is in a disengaged state;
The metering method of the drilling machine drill depth meter comprises the following steps of: the oil supply pipeline of the hydraulic clutch is connected in parallel with the oil inlet of a clamping mechanism which performs clamping on drilling machine equipment and drives a drilling tool to advance and retreat, and a pressure reducing valve is arranged on the oil supply pipeline of the hydraulic clutch;
When the hydraulic system of the drilling machine supplies oil for the clamping mechanism to clamp the drilling tool to drill, and simultaneously supplies oil for the hydraulic clutch connected in parallel with an oil way of the hydraulic clamping mechanism, so that the hydraulic clutch is in a closed state, at the moment, a rack respectively arranged on a rack guide rail and a chuck base of a power head and an input gear in a meter main body enable linear reciprocating motion to be converted into rotary motion, the input gear rotates to drive a transmission shaft and the hydraulic clutch and the clutch gear arranged on the installation shaft to rotate, and the clutch gear drives the meter gear meshed with the clutch gear to rotate so that a counting coding and storing assembly starts recording data;
When the clamping mechanism is not supplied with oil, the hydraulic clutch connected with the oil way of the clamping mechanism is not supplied with oil, the hydraulic clutch is in a separation state, and at the moment, the relative displacement of the rack and the input gear in the meter counter body can not drive the clutch gear and the meter counter gear to rotate, so that the counting code and storage component does not record data.
2. The drill depth counter of claim 1, wherein: the counting coding and storing assembly comprises a counter, an encoder and a storing and wireless unit, wherein an RS485 communication module and a wireless communication module are arranged in the storing and wireless unit and are used for USB connection and data copying, direct connection and computer display or wireless data transmission.
3. The drill depth counter of claim 2, wherein: the counting coding and storing component is a bidirectional counting module, the positive revolution number value is increased, and the reverse revolution number value is reduced.
4. The drill depth counter of claim 2, wherein: the counting coding and storage component is provided with a storage component with a power-off memory function, and power-off data are not lost.
5. The drill depth counter of claim 2, wherein: and a parameter setting button, a data zero clearing button and the like are arranged on the counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288239.3A CN113216939B (en) | 2021-03-17 | 2021-03-17 | Drilling machine drill depth meter and meter counting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288239.3A CN113216939B (en) | 2021-03-17 | 2021-03-17 | Drilling machine drill depth meter and meter counting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113216939A CN113216939A (en) | 2021-08-06 |
| CN113216939B true CN113216939B (en) | 2024-05-10 |
Family
ID=77083832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110288239.3A Active CN113216939B (en) | 2021-03-17 | 2021-03-17 | Drilling machine drill depth meter and meter counting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113216939B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524392A (en) * | 1939-01-28 | 1940-08-06 | John Thomson Hayward | Improvements in or relating to apparatus for measuring well depths and well strings |
| CN202220600U (en) * | 2011-08-26 | 2012-05-16 | 西安探矿机械厂 | Automatic drilling depth displaying and recording system of full-hydraulic power head drilling machine |
| CN202325483U (en) * | 2011-11-16 | 2012-07-11 | 焦作煤业（集团）白云煤业有限公司 | Drilling depth metering device |
| CN108266181A (en) * | 2018-04-09 | 2018-07-10 | 东营仪锦能源科技有限公司 | A kind of coal mine drilling machine drilling rod depth measurement device |
| CN215256155U (en) * | 2021-03-17 | 2021-12-21 | 中煤科工集团沈阳研究院有限公司 | Depth-drilling meter-counting device of drilling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5841584B2 (en) * | 2013-12-06 | 2016-01-13 | 富士重工業株式会社 | Powertrain control device |
-
2021
- 2021-03-17 CN CN202110288239.3A patent/CN113216939B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524392A (en) * | 1939-01-28 | 1940-08-06 | John Thomson Hayward | Improvements in or relating to apparatus for measuring well depths and well strings |
| CN202220600U (en) * | 2011-08-26 | 2012-05-16 | 西安探矿机械厂 | Automatic drilling depth displaying and recording system of full-hydraulic power head drilling machine |
| CN202325483U (en) * | 2011-11-16 | 2012-07-11 | 焦作煤业（集团）白云煤业有限公司 | Drilling depth metering device |
| CN108266181A (en) * | 2018-04-09 | 2018-07-10 | 东营仪锦能源科技有限公司 | A kind of coal mine drilling machine drilling rod depth measurement device |
| CN215256155U (en) * | 2021-03-17 | 2021-12-21 | 中煤科工集团沈阳研究院有限公司 | Depth-drilling meter-counting device of drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113216939A (en) | 2021-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204123094U (en) | Drilling-tapping equipment integrating | |
| CN110646236A (en) | Coal seam sealing and sampling device while drilling | |
| CN215256155U (en) | Depth-drilling meter-counting device of drilling machine | |
| CN113216939B (en) | Drilling machine drill depth meter and meter counting method | |
| CN109454676A (en) | A kind of cable clamp mechanism for modularization cable stock-removing machine | |
| CN106837174A (en) | A kind of brill deep-well executing agency with drill string for becoming twist-drill head based on double speed | |
| CN112763693A (en) | Soil environment multilayer monitoring device | |
| CN202240715U (en) | Drill bit work detection device for numerical control drilling machine | |
| CN205333304U (en) | Miniature probing laboratory bench of hole bottom power drilling tool | |
| CN103557818B (en) | A kind of probe conversion device for three coordinate measuring machine | |
| CN104353861B (en) | Complex deep hole machining device | |
| CN103575533B (en) | A kind of experimental provision and method of testing rope sheave slip properties | |
| CN210334498U (en) | Drilling device for spindle part of numerical control machine tool | |
| CN110145236A (en) | A kind of drill bit with detection outburst amount | |
| CN110145259A (en) | A kind of automatic continuous drilling machine | |
| CN201913284U (en) | Multi-drill bit driving device | |
| CN115199206A (en) | Digital portable all-hydraulic core drilling machine | |
| CN207280771U (en) | A kind of drill jumbo testing equipment | |
| CN210615187U (en) | Porous drilling processingequipment | |
| CN201684954U (en) | Thickness automatic detecting device | |
| CN105116159B (en) | The precise 2-D link gear of automatic clinical chemistry analyzer | |
| CN210003221U (en) | sectional drill rod docking equipment | |
| CN202055751U (en) | Main transmission and speed control system of drilling machine and control mechanism thereof | |
| CN110029951A (en) | A kind of segmentation drilling rod docking facilities | |
| CN201922081U (en) | Drilling machine capable of displaying machining depth |
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 |