CN110173212B - Novel intelligent anti-rollover rotary drilling rig - Google Patents
Novel intelligent anti-rollover rotary drilling rig Download PDFInfo
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- CN110173212B CN110173212B CN201910398253.1A CN201910398253A CN110173212B CN 110173212 B CN110173212 B CN 110173212B CN 201910398253 A CN201910398253 A CN 201910398253A CN 110173212 B CN110173212 B CN 110173212B
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- 238000005553 drilling Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 40
- 230000002265 prevention Effects 0.000 claims description 27
- 229910052742 iron Inorganic materials 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 239000002689 soil Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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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
- 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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- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (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)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a novel intelligent anti-rollover rotary drilling rig which comprises a crawler-type moving chassis, a control chamber, a mast, a power head, a hoisting mechanism, a drill rod and a drill bit, wherein the crawler-type moving chassis comprises a first crawler frame, a second crawler frame and a base, a first side plate is arranged on the outer side of the first crawler frame, a second side plate is arranged on the outer side of the second crawler frame, 2 anti-rollover mechanisms are respectively arranged at the first side plate and the second side plate, each anti-rollover mechanism comprises a hydraulic oil tank, a hydraulic pump, an installation seat, a first hydraulic telescopic rod and a heavy block, an inner groove is formed in the lower surface of the heavy block, a second hydraulic telescopic rod is arranged in the inner groove, a support plate is fixed at the second hydraulic telescopic rod, and a connecting channel is also formed in the. The rotary drilling rig can effectively prevent side turning and is safer to construct.
Description
Technical Field
The invention relates to the field of rotary drilling rigs, in particular to a novel intelligent anti-rollover rotary drilling rig.
Background
The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering. The drilling machine is mainly suitable for the construction of soil layers such as sandy soil, cohesive soil, silty soil and the like, is widely applied to the construction of various foundation foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like, generally adopts a hydraulic crawler type telescopic chassis, a self-lifting foldable drilling mast, a telescopic drill rod, automatic detection and adjustment of verticality, digital display of hole depth and the like, generally adopts hydraulic pilot control and load sensing for the operation of the whole machine, and has the characteristics of light and comfortable operation and the like. Because the drill rod of the rotary drilling rig is very high, the problems of unstable gravity center and side turning exist in the construction process. The existing solution mainly depends on a crawler-type chassis with large weight, but the contact between the crawler-type chassis and the ground mainly depends on two crawler belts, and the distance between the crawler-type chassis and the ground is not large enough, so that the problem of possible rollover still exists.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects of the prior art and provides a novel intelligent anti-rollover rotary drilling rig.
The technical scheme is as follows: a rollover prevention rotary drilling rig comprises a crawler-type moving chassis, a control chamber, a mast, a power head, a hoisting mechanism, a drill rod and a drill bit, wherein the crawler-type moving chassis comprises a first crawler frame, a second crawler frame and a base positioned between the first crawler frame and the second crawler frame, the first crawler frame and the second crawler frame are respectively provided with a crawler, the outer side of the first crawler frame is provided with a first side plate, the outer side of the second crawler frame is provided with a second side plate, the first side plate and the second side plate are respectively provided with 2 rollover prevention mechanisms, each rollover prevention mechanism comprises a hydraulic oil tank, a hydraulic pump, a mounting seat, a first hydraulic telescopic rod with one end fixed with the mounting seat and a heavy block fixed with the other end of the first hydraulic telescopic rod, the lower surface of the heavy block is provided with an inner groove, the closed end of the inner groove is fixed with one end of the second hydraulic telescopic rod, the other end of the second hydraulic telescopic rod is, still have the interface channel of intercommunication first hydraulic telescoping rod inner chamber and second hydraulic telescoping rod inner chamber in the heavy piece, interface channel department has electric control valve, the hydraulic pump with first hydraulic telescoping rod's inner chamber intercommunication.
Through the mechanism of preventing turning on one's side that extends to both sides to the backup pad of the mechanism of preventing turning on one's side contacts with ground (as long as there is certain butt contact just), can effectively prevent turning on one's side, because the interval between each backup pad is great, consequently can effectively prevent to turn on one's side.
Further, the distance between the installation seats of the two anti-rollover mechanisms at the first side plate is more than 3 meters; the distance between the mounting seats of the two anti-rollover mechanisms on the second side plate is more than 3 meters.
The side turning of the rotary drilling rig can be further prevented by increasing the distance between the supporting plates.
Furthermore, the supporting plates of the side-turning prevention mechanism are all square plates, and the side length is greater than 20 cm.
Further, the first hydraulic telescopic rod comprises a first rod, a second rod inserted into the first rod and capable of sliding in the first rod, and a third rod inserted into the second rod and capable of sliding in the second rod; the second hydraulic telescopic rod comprises a fourth rod and a fifth rod which is inserted into the fourth rod and can slide in the fourth rod.
First hydraulic telescoping rod is horizontal, and second hydraulic telescoping rod is fore-and-aft, and the length of first hydraulic telescoping rod is great, can select suitable length as required, and the length of second hydraulic telescoping rod is shorter.
Further, the connecting channel is an L-shaped channel.
Further, a controller and an operation panel are arranged in the control room, and an acousto-optic alarm unit is arranged at the operation panel; the lower surface of the weight of the anti-rollover mechanism further comprises a blind hole, a pressure sensor is fixed at the closed end of the blind hole, a pressure plate is fixed at the stress surface of the pressure sensor, the pressure plate is connected with a movable column through a compression spring, a circular magnet is fixed at the movable column, a part of the movable column, which is positioned below the magnet, is provided with a thread, an iron nut is screwed at the thread, the magnet and the iron nut can move into the blind hole, a through hole is formed in the support plate, the movable column is inserted into the through hole, and the iron nut can be abutted to the upper surface of the support plate through rotation of the iron nut; the controller can control the rotary drilling rig to enter a rollover prevention monitoring mode, and in the rollover prevention monitoring mode, when the variation of the measured values of more than one pressure sensor in the 4 rollover prevention mechanisms in unit time is larger than a set threshold value, the controller controls the acousto-optic alarm device to give an alarm.
By the mode, the side turning of the rotary drilling rig can be placed by the supporting plate, and the possible side turning can be early warned.
Furthermore, a display unit is arranged in the control chamber, and the controller controls the audible and visual alarm device to give an alarm and simultaneously displays which pressure sensor of the rollover prevention mechanism specifically gives an alarm on the display unit.
Further, the unit time is set to 2 seconds, 1 second, or 0.5 second.
Further, the thickness of the support plate is greater than 5 cm.
The thickness of the supporting plate is large, so that the length of the through hole at the supporting plate is large, and the change of the measuring value of the pressure sensor is large.
The application also claims to protect the rollover prevention chassis for the rotary drilling rig, which comprises a controller, an audible and visual alarm unit, a first crawler frame, a second crawler frame and a base positioned between the first crawler frame and the second crawler frame, wherein the first crawler frame and the second crawler frame are respectively provided with a crawler, the outer side of the first crawler frame is provided with a first side plate, the outer side of the second crawler frame is provided with a second side plate, the first side plate and the second side plate are respectively provided with 2 rollover prevention mechanisms, each rollover prevention mechanism comprises a hydraulic oil tank, a hydraulic pump, an installation seat, a first hydraulic telescopic rod with one end fixed with the installation seat and a weight fixed with the other end of the first hydraulic telescopic rod, the lower surface of the weight is provided with a groove, the closed end of the inner groove is fixed with one end of the second hydraulic telescopic rod, the other end of the second hydraulic telescopic rod is fixed with a supporting plate, and a connecting channel for communicating the inner cavity of the first hydraulic telescopic rod with the inner cavity of the second hydraulic telescopic rod is further arranged, an electric control valve is arranged at the connecting channel, and the hydraulic pump is communicated with an inner cavity of the first hydraulic telescopic rod; the lower surface of the weight of the anti-rollover mechanism further comprises a blind hole, a pressure sensor is fixed at the closed end of the blind hole, a pressure plate is fixed at the stress surface of the pressure sensor, the pressure plate is connected with a movable column through a compression spring, a circular magnet is fixed at the movable column, a part of the movable column, which is positioned below the magnet, is provided with a thread, an iron nut is screwed at the thread, the magnet and the iron nut can move into the blind hole, a through hole is formed in the support plate, the movable column is inserted into the through hole, and the iron nut can be abutted to the upper surface of the support plate through rotation of the iron nut; the controller can control the rollover prevention chassis to enter a rollover prevention monitoring mode, and in the rollover prevention monitoring mode, when the variation of the measured values of more than one pressure sensor in the 4 rollover prevention mechanisms in unit time is larger than a set threshold value, the controller controls the acousto-optic alarm device to give an alarm.
Has the advantages that: the rotary drilling rig disclosed by the invention is based on a novel intelligent anti-rollover mechanism, and has the following advantages compared with the conventional general rotary drilling rig:
1. because the two sides of the chassis are provided with the plurality of rollover prevention mechanisms, rollover can be effectively prevented in the construction process.
2. The side-turning mechanism can be folded, the size is small after the side-turning mechanism is folded, and the normal running of the crawler-type chassis is not influenced.
3. Besides the function of preventing the side turning of the supporting plate, the pressure sensor is further arranged to serve as an early warning mechanism, and when the side turning risk exists, the alarming can be timely carried out.
Drawings
FIG. 1 is a schematic top view of a chassis of a rotary drilling rig;
FIG. 2 is a transverse schematic view of a chassis of the rotary drilling rig;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic view of the process of retracting the anti-rollover mechanism;
fig. 5 is a schematic diagram of a warning state when rollover may occur.
Detailed Description
Reference numerals: 1 a first track frame; 1.1 a first side panel; 2 a second track frame; 2.1 a second side plate; 3, a base; 4, mounting a base; 5, a first hydraulic telescopic rod; 5.1 a first rod; 5.2 a second rod; 5.3 a third rod; 6, a weight block; 6.1 connecting the channels; 6.2 electrically controlling the valve; 7 a second hydraulic telescopic rod; 8, supporting plates; 9.1 pressure sensor; 9.2 pressing plates; 9.3 compressing the spring; 9.4 movable columns; 9.5 a magnet; 9.6 iron nut.
A novel intelligent anti-rollover rotary drilling rig comprises a crawler-type moving chassis, a control chamber, masts, a power head, a hoisting mechanism, a drill rod and a drill bit, wherein the crawler-type moving chassis comprises a first crawler frame 1, a second crawler frame 2 and a base 3 positioned between the first crawler frame and the second crawler frame, the first crawler frame and the second crawler frame are respectively provided with a crawler, the outer side of the first crawler frame 1 is provided with a first side plate 1.1, the outer side of the second crawler frame 2 is provided with a second side plate 2.1, the first side plate and the second side plate are respectively provided with 2 anti-rollover mechanisms, each anti-rollover mechanism comprises a hydraulic oil tank, a hydraulic pump, a mounting seat, a first hydraulic telescopic rod 5 with one end fixed with the mounting seat and a heavy block 6 fixed with the other end of the first hydraulic telescopic rod 5, the lower surface of the heavy block 6 is provided with an inner groove, the closed end of the inner groove is fixed with one end of the second hydraulic, the other end of second hydraulic telescoping rod 7 is fixed with backup pad 8, still have the interface channel who communicates 5 inner chambers of first hydraulic telescoping rod and 7 inner chambers of second hydraulic telescoping rod in the pouring weight 6, interface channel department has automatically controlled valve 6.2, the hydraulic pump with the inner chamber intercommunication of first hydraulic telescoping rod 6.1.
The distance between the installation bases of the two anti-rollover mechanisms at the first side plate is more than 3 meters; the distance between the mounting seats of the two anti-rollover mechanisms on the second side plate is more than 3 meters. The supporting plate of the side-turning prevention mechanism is a square plate, and the side length of the supporting plate is greater than 20 cm. The first hydraulic telescopic rod comprises a first rod, a second rod inserted into the first rod and capable of sliding in the first rod, and a third rod inserted into the second rod and capable of sliding in the second rod; the second hydraulic telescopic rod comprises a fourth rod and a fifth rod which is inserted into the fourth rod and can slide in the fourth rod. The connecting channel is an L-shaped channel.
The control room is internally provided with a controller and an operation panel, and the operation panel is provided with an audible and visual alarm unit; the lower surface of the weight of the anti-rollover mechanism further comprises a blind hole, a pressure sensor 9.1 is fixed at the closed end of the blind hole, a pressure plate 9.2 is fixed at the stress surface of the pressure sensor 9.1, the pressure plate 9.2 is connected with a movable column 9.4 through a compression spring 9.3, a circular magnet 9.5 is fixed at the movable column, a thread 9.6 is arranged at the part, below the magnet 9.5, of the movable column, an iron nut 9.6 is screwed at the thread, the magnet 9.5 and the iron nut 9.6 can both move into the blind hole, a through hole is arranged at the support plate 8, the movable column is inserted into the through hole, and the iron nut 9.6 can be abutted against the upper surface of the support plate 8 by rotating the iron nut 9.6; the controller can control the rotary drilling rig to enter a rollover prevention monitoring mode, and in the rollover prevention monitoring mode, when the variation of the measured values of more than one pressure sensor 9.1 in the 4 rollover prevention mechanisms in unit time is larger than a set threshold value, the controller controls the sound-light alarm device to give an alarm. The control room is internally provided with a display unit, and the controller controls the audible and visual alarm device to alarm and simultaneously displays which pressure sensor of the rollover prevention mechanism triggers the alarm on the display unit. The unit time is set to 2 seconds, 1 second, or 0.5 second. The thickness of the supporting plate is more than 5 cm.
As shown in fig. 1, 2, when 4 prevent that side turning over mechanism all outwards stretches out, 4 backup pads all contact ground, thereby make the distance grow between each strong point of base, and each pouring weight is heavier, thereby it turns on one's side more to dig the rig soon, it makes first to recycle the hydraulic pump, when hydraulic telescoping rod extends, make electric control valve close earlier, thereby first hydraulic telescoping rod 5 extension earlier, when first hydraulic telescoping rod 5 extends like this, the backup pad is the butt pouring weight, the backup pad can not contact ground at the in-process of first hydraulic telescoping rod 5 extension like this, make the extension of first hydraulic telescoping rod 5 more smooth and easy, after first hydraulic telescoping rod 5 extension targets in place, open electric control valve 6.2, make second hydraulic telescoping rod 7 also extend, until backup pad 8 contact ground.
In addition, in order to further provide a rollover prevention warning, as shown in fig. 3, a movable column 9.4 and a pressure sensor 9.1 are arranged on each rollover prevention mechanism. In the monitoring and early warning mode, as shown in fig. 3, the iron nut 9.6 is attracted to the magnet 9.5, so that the iron nut 9.6 does not influence the movement of the movable column 9.4; when each anti-rollover mechanism needs to be retracted, as shown in fig. 4, before the hydraulic pump is started, the nut 9.6 is manually rotated to enable the iron nut to be abutted against the supporting plate 8, so that when the hydraulic pump is started, the second hydraulic telescopic rod 7 is shortened to drive the movable column 9.4 to move upwards, and the end part of the movable column 9.4 is prevented from extending out of the through hole. As shown in fig. 5, in the monitoring and early warning mode, if no rollover occurs, the measurement value of each pressure sensor 9.1 should not change greatly, so that the main weight of the rotary drilling rig is pressed at two tracks, each support plate 8 only plays a role of auxiliary support, when rollover occurs, the weight of the rotary drilling rig must be transferred to some support plates 8, so that the support plates 8 at that position are embedded into the soil more deeply (generally, the working ground of the rotary drilling rig is mostly soil ground, and unstable soil ground is more prone to rollover), and due to the buffering effect of the spring 9.3, the movable column 9.4 at the through hole moves upwards under the reaction force of the ground, so that the change of the measurement value of the pressure sensor 9.1 is suddenly increased within a set unit time (the purpose that the support plates are set to be thicker is to make the movable column have a larger stroke, thereby making pressure sensor's measured value change great, increase measuring sensitivity), have the risk of turning on one's side to report to the police this moment, remind the operator, in time notice, avoid the true emergence to turn on one's side.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (4)
1. A novel intelligent anti-rollover rotary drilling rig is characterized by comprising a crawler-type moving chassis, a control chamber, a mast, a power head, a hoisting mechanism, a drill rod and a drill bit, wherein the crawler-type moving chassis comprises a first crawler frame, a second crawler frame and a base positioned between the first crawler frame and the second crawler frame, the first crawler frame and the second crawler frame are respectively provided with a crawler, the outer side of the first crawler frame is provided with a first side plate, the outer side of the second crawler frame is provided with a second side plate, the first side plate and the second side plate are respectively provided with 2 anti-rollover mechanisms, each anti-rollover mechanism comprises a hydraulic oil tank, a hydraulic pump, a mounting seat, a first hydraulic telescopic rod with one end fixed with the mounting seat and a heavy block fixed with the other end of the first hydraulic telescopic rod, the lower surface of the heavy block is provided with an inner groove, the closed end of the inner groove is fixed with one end of the second hydraulic, a support plate is fixed at the other end of the second hydraulic telescopic rod, a connecting passage for communicating the inner cavity of the first hydraulic telescopic rod with the inner cavity of the second hydraulic telescopic rod is arranged in the heavy block, an electric control valve is arranged at the connecting passage, and the hydraulic pump is communicated with the inner cavity of the first hydraulic telescopic rod; the first hydraulic telescopic rod comprises a first rod, a second rod inserted into the first rod and capable of sliding in the first rod, and a third rod inserted into the second rod and capable of sliding in the second rod; the second hydraulic telescopic rod comprises a fourth rod and a fifth rod which is inserted into the fourth rod and can slide in the fourth rod; the control room is internally provided with a controller and an operation panel, and the operation panel is provided with an audible and visual alarm unit; the lower surface of the weight of the anti-rollover mechanism further comprises a blind hole, a pressure sensor is fixed at the closed end of the blind hole, a pressure plate is fixed at the stress surface of the pressure sensor, the pressure plate is connected with a movable column through a compression spring, a circular magnet is fixed at the movable column, a part of the movable column, which is positioned below the magnet, is provided with a thread, an iron nut is screwed at the thread, the magnet and the iron nut can move into the blind hole, a through hole is formed in the support plate, the movable column is inserted into the through hole, and the iron nut can be abutted to the upper surface of the support plate through rotation of the iron nut; the controller can control the rotary drilling rig to enter a rollover prevention monitoring mode, and in the rollover prevention monitoring mode, when the variation of the measured values of more than one pressure sensor in the 4 rollover prevention mechanisms in unit time is larger than a set threshold value, the controller controls the acousto-optic alarm device to give an alarm; the controller controls the audible and visual alarm device to give an alarm, and simultaneously displays which pressure sensor of the rollover prevention mechanism causes the alarm on the display unit; the connecting channel is an L-shaped channel; the unit time is set to 2 seconds, 1 second, or 0.5 second.
2. The novel intelligent anti-rollover rotary drilling rig according to claim 1, wherein the distance between the mounting seats of the two anti-rollover mechanisms at the first side plate is more than 3 meters; the distance between the mounting seats of the two anti-rollover mechanisms on the second side plate is more than 3 meters.
3. The novel intelligent anti-rollover rotary drilling rig according to claim 1, wherein the supporting plate of the anti-rollover mechanism is a square plate, and the side length is greater than 20 cm.
4. The novel intelligent rollover-prevention rotary drilling rig according to claim 1, wherein the thickness of the supporting plate is larger than 5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398253.1A CN110173212B (en) | 2019-05-14 | 2019-05-14 | Novel intelligent anti-rollover rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398253.1A CN110173212B (en) | 2019-05-14 | 2019-05-14 | Novel intelligent anti-rollover rotary drilling rig |
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| CN110173212A CN110173212A (en) | 2019-08-27 |
| CN110173212B true CN110173212B (en) | 2021-04-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2818564Y (en) * | 2005-05-26 | 2006-09-20 | 石午江 | Multifunctional electric cyclone digging driller |
| CN202209151U (en) * | 2011-08-16 | 2012-05-02 | 上海中联重科桩工机械有限公司 | Auger boring drilling rig |
| CN107386966A (en) * | 2017-09-04 | 2017-11-24 | 广西同庆机械制造有限公司 | A kind of rotary drilling rig anti-tilting apparatus |
| CN208619045U (en) * | 2018-07-19 | 2019-03-19 | 天津恒华管道技术有限公司 | A kind of anti-rollover drilling machine |
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