CN111022027A - Rotary drilling rig and automatic control system and method for drill rod speed of rotary drilling rig - Google Patents
Rotary drilling rig and automatic control system and method for drill rod speed of rotary drilling rig Download PDFInfo
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- CN111022027A CN111022027A CN201911188077.5A CN201911188077A CN111022027A CN 111022027 A CN111022027 A CN 111022027A CN 201911188077 A CN201911188077 A CN 201911188077A CN 111022027 A CN111022027 A CN 111022027A
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000005303 weighing Methods 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 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
- 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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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a rotary drilling rig and a system and a method for automatically controlling the speed of a drill rod of the rotary drilling rig, wherein the control system comprises a controller, a power head weighing sensor, a pull wire sensor, a depth measuring sensor, a main winding-up proportional valve and a main winding-down proportional valve; the power head weighing sensor is connected with the controller, and the number of drill rod sections falling on the power head is calculated through signals of the power head weighing sensor; the pull sensor is connected with the controller, and the relative displacement of the power head is calculated according to the signal of the pull sensor; the depth measurement sensor is connected with the controller, and the current drill bit position is calculated through signals of the depth measurement sensor; the main coiling-up proportional valve and the main coiling-down proportional valve are respectively connected with the controller. The speed of the drill rod is automatically controlled, the impact force of the drill rod is reduced, and the reliability of the drill rod and the main winch is greatly improved. Meanwhile, the drill rod is automatically lowered and lifted, the operation difficulty and labor intensity are reduced, and the construction efficiency is improved.
Description
Technical Field
The invention relates to an automatic control system for the speed of a drill rod of a rotary drilling rig, and belongs to the field of piling machinery control.
Background
The rotary drilling rig is a hole forming machine for cast-in-place pile construction in pile foundation engineering, and is widely applied to construction of engineering pile foundations of roads, bridges, wharfs, high-rise buildings and the like.
With increasingly wide application, the reliability of the whole rotary drilling rig is continuously improved, however, the damage and the failure of a drill rod are still frequent, the cost of maintenance or replacement is higher, and the cost is very high. The damaged drilling rod is not standard in operation, and the operation fault accounts for a large proportion, so that the development of an automatic control system is necessary.
Along with the increase of the labor cost and the increasing attention on the ergonomics, the demands of reducing the operation difficulty of the machine, reducing the labor intensity of an operator and the like are increased more and more, so that the development pace of the engineering machinery in the aspect of automatic unmanned construction is accelerated, and in the development stage, the development of a drilling rod speed automatic control system is very urgent.
Disclosure of Invention
Aiming at the problems of the existing control system, the invention provides a system and a method for automatically controlling the speed of a drill rod of a rotary drilling rig.
The invention is realized according to the following technical scheme:
a system for automatically controlling the speed of a drill rod of a rotary drilling rig comprises a controller, a power head weighing sensor, a pull wire sensor, a depth measuring sensor, a main winding-up proportional valve and a main winding-down proportional valve; the power head weighing sensor is connected with the controller, and the number of drill rod sections falling on the power head is calculated through signals of the power head weighing sensor; the pull wire sensor is connected with the controller, and the relative displacement of the power head is calculated through the signal of the pull wire sensor; the depth measurement sensor is connected with the controller, and the current drill bit position is calculated through signals of the depth measurement sensor; and the main coiling and lifting proportional valve and the main coiling and descending proportional valve are respectively connected with the controller.
Further, the device also comprises a handle button, and the handle button is connected with the controller; when the drill bit is positioned at the hole opening, the drill bit enters an automatic drill rod lowering mode after a handle button is pressed; and after drilling is finished, pressing the handle button again to enter a drill rod automatic lifting mode.
Further, the device also comprises a storage battery and a power switch; and the power switch is connected with the power head weighing sensor, the pull wire sensor, the depth measuring sensor and the handle button through the storage battery.
A rotary drilling rig and a method for automatically controlling the speed of a drill rod of the rotary drilling rig are disclosed. The drill rod starts to be automatically lowered at full speed, when the current moving rod is detected to be about to fully extend, the drill rod automatically decelerates, and the next section of rod starts to extend and then accelerates. And (5) before the drill rod touches the bottom, the speed is reduced until the drill rod touches the bottom, the drill rod automatically stops, and the automatic mode is pushed out. After the operator finishes drilling, the operator presses the enabling button again to enter a drill rod automatic lifting mode, the power head is automatically lifted and reversed firstly, when the drill rod is detected to be unlocked completely, the power head starts to be lifted automatically, the current moving rod is decelerated automatically when being about to be completely withdrawn, the next rod is accelerated after moving, the drill rod is decelerated automatically until being stopped when being about to be lifted to the orifice, and the automatic mode is exited.
A rotary drilling rig is provided with the automatic control system for the drill rod speed of the rotary drilling rig.
The invention has the beneficial effects that:
the speed of the drill rod is automatically controlled, the impact force of the drill rod is reduced, and the reliability of the drill rod and the main winch is greatly improved. Meanwhile, the drill rod is automatically lowered and lifted, the operation difficulty and labor intensity are reduced, and the construction efficiency is improved. The automatic control system for the drill rod speed also provides a key technical foundation and storage for the subsequent full-automatic construction of the rotary drilling rig.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. The present invention will be described in detail below with reference to the accompanying drawings and examples.
FIG. 1 is a diagram of an embodiment of the present invention.
In the figure: 1. the device comprises a power switch, 2, a storage battery, 3, a power head weighing sensor, 4, a pull wire sensor, 5, a depth measuring sensor, 6, a handle button, 7, a controller, 8, a main winding-up proportional valve, 9 and a main winding-down proportional valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an automatic control system for the drill rod speed of a rotary drilling rig comprises a controller 7, a power head weighing sensor 3, a pull wire sensor 4, a depth measuring sensor 5, a main winding-up proportional valve 8 and a main winding-down proportional valve 9; the power head weighing sensor 3 is connected with the controller 7, and the number of drill rod sections falling on the power head is calculated through signals of the power head weighing sensor 3; the pull wire sensor 4 is connected with the controller 7, and the relative displacement of the power head is calculated through the signal of the pull wire sensor 4; the depth measuring sensor 5 is connected with the controller 7, and the current drill bit position is calculated through signals of the depth measuring sensor 5; and the main coiling and lifting proportional valve 8 and the main coiling and descending proportional valve 9 are respectively connected with the controller 7.
The handle button 6 is connected with the controller 7; when the drill bit is positioned at the hole opening, the drill bit enters an automatic drill rod lowering mode after a handle button is pressed; and after drilling is finished, pressing the handle button again to enter a drill rod automatic lifting mode.
The power switch 1 is connected with the power head weighing sensor 3, the pull wire sensor 4, the depth measuring sensor 5 and the handle button 6 through the storage battery 2.
A rotary drilling rig and a method for automatically controlling the speed of a drill rod of the rotary drilling rig are disclosed, wherein the size and weight information of a current drill rod are stored in a controller, the number of sections of the drill rod falling on a power head is calculated through signals of a power head weighing sensor, the relative displacement of the power head is calculated through signals of a pull wire sensor, the current drill bit position is calculated through signals of a depth measuring sensor, the drill bit position and the information of the relative displacement of the power head are combined to calculate a current moving rod, and the current moving rod and the number of sections of the drill rod falling on the power head are compared and analyzed to obtain whether the rod is brought or; when the drill bit is positioned at the hole, the drill rod automatic lowering mode is entered after an enabling button on the handle is pressed, the main winding-down proportional valve outputs full current, when the controller calculates that the current moving rod is about to completely extend out according to the position of the drill bit and the size information of the drill rod, the main winding-down proportional valve starts to reduce the current, and when the next section of rod is calculated to start to move, the full current output is recovered; the drill bit is obtained by comparing the position of the drill bit with the hole depth, namely the drill bit starts to automatically decelerate until stopping and exits from the automatic mode before bottoming, and after drilling is finished, the handle enabling button is pressed again to enter the automatic drill rod lifting mode; the power head automatically lifts by 150mm and then automatically rotates reversely, the main hoisting proportional valve outputs full current until the controller detects that the drill rod is completely unlocked, the drill rod starts to automatically lift, the main hoisting proportional valve automatically reduces the current when the current moving rod is to be completely withdrawn, the next rod returns to the full current output after the next rod starts to move, and the controller detects that the drill bit is to be withdrawn to the orifice and then automatically reduces the current until the drill bit stops and exits the automatic mode.
In conclusion, the speed of the drill rod is automatically controlled, the impact force of the drill rod is reduced, and the reliability of the drill rod and the main winch is greatly improved. Meanwhile, the drill rod is automatically lowered and lifted, the operation difficulty and labor intensity are reduced, and the construction efficiency is improved. The automatic control system for the drill rod speed also provides a key technical foundation and storage for the subsequent full-automatic construction of the rotary drilling rig.
The invention also provides a rotary drilling rig, which is provided with the automatic control system for the drill rod speed of the rotary drilling rig.
Finally, it should be noted that: although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a dig rig drilling rod speed automatic control system soon which characterized in that: the device comprises a controller, a power head weighing sensor, a pull wire sensor, a depth measuring sensor, a main winding-up proportional valve and a main winding-down proportional valve;
the power head weighing sensor is connected with the controller, and the number of drill rod sections falling on the power head is calculated through signals of the power head weighing sensor;
the pull wire sensor is connected with the controller, and the relative displacement of the power head is calculated through the signal of the pull wire sensor;
the depth measurement sensor is connected with the controller, and the current drill bit position is calculated through signals of the depth measurement sensor;
and the main coiling and lifting proportional valve and the main coiling and descending proportional valve are respectively connected with the controller.
2. The automatic control system for the drill rod speed of the rotary drilling rig according to claim 1, characterized in that: the handle button is connected with the controller; when the drill bit is positioned at the hole opening, the drill bit enters an automatic drill rod lowering mode after a handle button is pressed; and after drilling is finished, pressing the handle button again to enter a drill rod automatic lifting mode.
3. The automatic control system for the drill rod speed of the rotary drilling rig according to claim 2, characterized in that: the device also comprises a storage battery and a power switch; and the power switch is connected with the power head weighing sensor, the pull wire sensor, the depth measuring sensor and the handle button through the storage battery.
4. A control method based on the rotary drilling rig and the automatic control system for the drill rod speed of the rotary drilling rig in the claim 2 is characterized in that:
after the rotary drilling rig adjusts the amplitude and mast mechanism to enable the drill bit to be positioned at the hole, the handle enabling button is pressed down to enter a drill rod automatic descending mode. The drill rod starts to be automatically lowered at full speed, when the current moving rod is detected to be about to fully extend, the drill rod automatically decelerates, and the next section of rod starts to extend and then accelerates. And (5) before the drill rod touches the bottom, the speed is reduced until the drill rod touches the bottom, the drill rod automatically stops, and the automatic mode is pushed out. After the operator finishes drilling, the operator presses the enabling button again to enter a drill rod automatic lifting mode, the power head is automatically lifted and reversed firstly, when the drill rod is detected to be unlocked completely, the power head starts to be lifted automatically, the current moving rod is decelerated automatically when being about to be completely withdrawn, the next rod is accelerated after moving, the drill rod is decelerated automatically until being stopped when being about to be lifted to the orifice, and the automatic mode is exited.
5. A rotary drilling rig is characterized in that: the automatic control system for the drill rod speed of the rotary drilling rig is provided with any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188077.5A CN111022027A (en) | 2019-11-28 | 2019-11-28 | Rotary drilling rig and automatic control system and method for drill rod speed of rotary drilling rig |
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| CN201911188077.5A CN111022027A (en) | 2019-11-28 | 2019-11-28 | Rotary drilling rig and automatic control system and method for drill rod speed of rotary drilling rig |
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| CN111022027A true CN111022027A (en) | 2020-04-17 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708386A (en) * | 2020-06-24 | 2020-09-25 | 徐州徐工基础工程机械有限公司 | Self-adaptive following system and method for rotary drilling long spiral soil cleaner |
| CN112576234A (en) * | 2020-12-10 | 2021-03-30 | 上海中联重科桩工机械有限公司 | Drilling machine bottom-touching rope stopping control method and device and rotary drilling machine |
| CN112593916A (en) * | 2020-12-07 | 2021-04-02 | 北京三一智造科技有限公司 | Drilling regulation and control method and device and rotary drilling equipment |
| CN112593917A (en) * | 2020-12-07 | 2021-04-02 | 北京三一智造科技有限公司 | Rotary drilling rig control method and device, rotary drilling rig and readable storage medium |
| CN113236222A (en) * | 2021-05-14 | 2021-08-10 | 徐州徐工基础工程机械有限公司 | Self-learning-based automatic drilling control method and system for rotary drilling rig |
| CN113338893A (en) * | 2021-06-29 | 2021-09-03 | 浙江绩丰物联科技股份有限公司 | Monitoring, early warning, protecting and simulating visual system for working state of drill rod of rotary drilling rig |
| CN115977610A (en) * | 2023-02-14 | 2023-04-18 | 徐州徐工基础工程机械有限公司 | System and method for controlling power head to truly control ground pressure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201802305U (en) * | 2010-07-21 | 2011-04-20 | 郑州宇通重工有限公司 | Rotary drilling rig major hoist lifting full-automatic bottom protection and main hoist wire rope pre-tightening device |
| CN102044129A (en) * | 2011-01-12 | 2011-05-04 | 徐州博汇东明机械制造有限公司 | Electric control alarm device for preventing drilling rod-dropping accident of rotary drilling rig |
| CN102155210A (en) * | 2011-01-19 | 2011-08-17 | 徐州博汇东明机械制造有限公司 | Interlocking control system for falling, floating and depth sounding of main winch of rotary drilling rig |
| CN102900421A (en) * | 2012-10-08 | 2013-01-30 | 上海中联重科桩工机械有限公司 | Control method and device of drill rod lowering speed of drilling machine and drilling machine |
| WO2013075447A1 (en) * | 2011-11-25 | 2013-05-30 | 湖南三一智能控制设备有限公司 | Rotary drilling rig and device controlling main hoist lowering speed therefor |
| CN105715247A (en) * | 2016-03-30 | 2016-06-29 | 连云港凯帝重工科技有限公司 | Rotary drilling rig control system for automatically controlling drilling according to stratums |
| CN205422678U (en) * | 2016-03-15 | 2016-08-03 | 玉柴桩工(常州)有限公司 | Dig rig drilling rod monitor control device soon |
| CN210948635U (en) * | 2019-11-28 | 2020-07-07 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig and automatic control system for drill rod speed of rotary drilling rig |
-
2019
- 2019-11-28 CN CN201911188077.5A patent/CN111022027A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201802305U (en) * | 2010-07-21 | 2011-04-20 | 郑州宇通重工有限公司 | Rotary drilling rig major hoist lifting full-automatic bottom protection and main hoist wire rope pre-tightening device |
| CN102044129A (en) * | 2011-01-12 | 2011-05-04 | 徐州博汇东明机械制造有限公司 | Electric control alarm device for preventing drilling rod-dropping accident of rotary drilling rig |
| CN102155210A (en) * | 2011-01-19 | 2011-08-17 | 徐州博汇东明机械制造有限公司 | Interlocking control system for falling, floating and depth sounding of main winch of rotary drilling rig |
| WO2013075447A1 (en) * | 2011-11-25 | 2013-05-30 | 湖南三一智能控制设备有限公司 | Rotary drilling rig and device controlling main hoist lowering speed therefor |
| CN102900421A (en) * | 2012-10-08 | 2013-01-30 | 上海中联重科桩工机械有限公司 | Control method and device of drill rod lowering speed of drilling machine and drilling machine |
| CN205422678U (en) * | 2016-03-15 | 2016-08-03 | 玉柴桩工(常州)有限公司 | Dig rig drilling rod monitor control device soon |
| CN105715247A (en) * | 2016-03-30 | 2016-06-29 | 连云港凯帝重工科技有限公司 | Rotary drilling rig control system for automatically controlling drilling according to stratums |
| CN210948635U (en) * | 2019-11-28 | 2020-07-07 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig and automatic control system for drill rod speed of rotary drilling rig |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708386A (en) * | 2020-06-24 | 2020-09-25 | 徐州徐工基础工程机械有限公司 | Self-adaptive following system and method for rotary drilling long spiral soil cleaner |
| CN112593916A (en) * | 2020-12-07 | 2021-04-02 | 北京三一智造科技有限公司 | Drilling regulation and control method and device and rotary drilling equipment |
| CN112593917A (en) * | 2020-12-07 | 2021-04-02 | 北京三一智造科技有限公司 | Rotary drilling rig control method and device, rotary drilling rig and readable storage medium |
| CN112593917B (en) * | 2020-12-07 | 2024-03-29 | 北京三一智造科技有限公司 | Rotary drilling rig control method and device, rotary drilling rig and readable storage medium |
| CN112576234A (en) * | 2020-12-10 | 2021-03-30 | 上海中联重科桩工机械有限公司 | Drilling machine bottom-touching rope stopping control method and device and rotary drilling machine |
| CN113236222A (en) * | 2021-05-14 | 2021-08-10 | 徐州徐工基础工程机械有限公司 | Self-learning-based automatic drilling control method and system for rotary drilling rig |
| CN113236222B (en) * | 2021-05-14 | 2024-05-14 | 徐州徐工基础工程机械有限公司 | Automatic drilling control method and system for rotary drilling rig based on self-learning |
| CN113338893A (en) * | 2021-06-29 | 2021-09-03 | 浙江绩丰物联科技股份有限公司 | Monitoring, early warning, protecting and simulating visual system for working state of drill rod of rotary drilling rig |
| CN115977610A (en) * | 2023-02-14 | 2023-04-18 | 徐州徐工基础工程机械有限公司 | System and method for controlling power head to truly control ground pressure |
| CN115977610B (en) * | 2023-02-14 | 2024-05-14 | 徐州徐工基础工程机械有限公司 | System and method for controlling real pressure of power head to ground |
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