CN104632070A - Power head multi-gear mode control device and method of rotary drilling rig and rotary drilling rig - Google Patents
Power head multi-gear mode control device and method of rotary drilling rig and rotary drilling rig Download PDFInfo
- Publication number
- CN104632070A CN104632070A CN201510049920.7A CN201510049920A CN104632070A CN 104632070 A CN104632070 A CN 104632070A CN 201510049920 A CN201510049920 A CN 201510049920A CN 104632070 A CN104632070 A CN 104632070A
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- Prior art keywords
- adjusting valve
- ratio adjusting
- pressure sensor
- value
- control device
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- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000011435 rock Substances 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- 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
- E21B44/02—Automatic control of the tool feed
- E21B44/04—Automatic control of the tool feed in response to the torque of the drive ; Measuring drilling torque
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)
- Earth Drilling (AREA)
Abstract
The invention relates to a power head multi-gear mode control device of a rotary drilling rig. The power head multi-gear mode control device comprises a power switch, a storage battery, a pressure sensor, a power head mode switchover switch, a controller and a proportion adjustment valve. The invention further relates to a control method of the control device and the rotary drilling rig comprising the control device. The output torque and rotation speed of a power head can change according to different geological conditions, so that the rotary drilling rig adapts to different geological conditions and especially better adapts to the construction condition with a hard stratum, and the different requirements of various geological conditions for the torque and rotation speed of the power head are met.
Description
Technical field
The present invention relates to engineering machine control device field, particularly a kind of rotary digging drill power head many grades of mode control devices, method and rotary drilling rig.
Background technology
Rotary drilling rig is the Modern Construction machinery of pore-forming operation in construction work, has been widely used in the Grouting Pile Engineering of Drilling Hole on the basis such as bridge, urban construction at present.The construction that current rotary drilling rig both domestic and external carries out, the geological conditions of job site is different, as hard rock, decomposed rock, sandstone, weak soil, mud etc., but identical type, the output torque of unit head is fixing, rotating speed also only has middling speed, two grades, interflow, makes rotary drilling rig can not adapt to different geology operating modes preferably, as: when creeping into hard formation, moment of torsion is less than normal, speed is bigger than normal, cause efficiency of construction low, and drilling rod is fragile; When creeping into Soft Soil Layer, moment of torsion is bigger than normal, and speed is less than normal, causes drilling efficiency low, not energy-conservation.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides rotary digging drill power head many grades of mode control devices, method and rotary drilling rig, the output torque of unit head and rotating speed are changed according to different geological conditionss, thus enable rotary drilling rig adapt to different geology operating modes, particularly more adapt to the construction operating mode of hard formation, meet the different demands of multiple geological conditions to unit head moment of torsion and rotating speed.
To achieve these goals, the invention provides a kind of rotary digging drill power head many grades of mode control devices, comprise pressure sensor, unit head mode conversion switch, controller and ratio adjusting valve group; Described controller comprises power interface, pressure sensor interface, patten transformation interface, PWM output interface;
Described pressure sensor and the electrical connection of described pressure sensor interface, provide the rotating forward pressure signal of power head motor to described controller;
Described unit head mode conversion switch is electrically connected with described patten transformation interface, by the switching of described unit head mode conversion switch, provides corresponding unit head mode signal to described controller;
The PWM output port of described controller is connected with described ratio adjusting valve group, provides control signal to described ratio adjusting valve group.
Further, the PWM output port of described controller comprises a PWM output port, the 2nd PWM output port and the 3rd PWM output port; Described ratio adjusting valve group comprises the first ratio adjusting valve, the second ratio adjusting valve and the 3rd ratio adjusting valve; Described first ratio adjusting valve, the second ratio adjusting valve and the 3rd ratio adjusting valve are connected with the PWM output port on described controller, the 2nd PWM output port and the 3rd PWM output port respectively.
Further, described first ratio adjusting valve, the second ratio adjusting valve and the 3rd ratio adjusting valve are respectively the ratio adjusting valve of the ratio adjusting valve of the first electric rate variable motor, the ratio adjusting valve of the second electric rate variable motor and the 3rd electric rate variable motor.
Further, the ratio adjusting valve of the ratio adjusting valve of described first electric rate variable motor, the ratio adjusting valve of the second electric rate variable motor and the 3rd electric rate variable motor is proportion magnetic valve.
Further, described controller is RC28-14 controller.
Further, described pressure sensor is that power head motor rotates forward pressure sensor.
Further, power switch, battery and interface of the ground wire, the negative pole of described battery is by described power switch ground connection, and the positive pole of described battery is electrically connected with the power interface of described controller, pressure sensor and described unit head mode conversion switch respectively, described interface of the ground wire ground connection;
Further, the power port of described controller is two.
The present invention also provides a kind of rotary drilling rig, and it comprises above-mentioned control device.
The present invention also provides a kind of control method of above-mentioned control device, comprising:
By the unit head mode conversion switch of described control device, unit head pattern is made to enter rock pattern, change between energy saver mode and mode standard;
Described enter under rock pattern, energy saver mode and mode standard, make described controller export different PWM values to described ratio adjusting valve group, to provide different control signals to described ratio adjusting valve group respectively.
Further, comprising: under described mode standard, the pressure value of pressure sensor collection be sent to described controller via pressure sensor interface:
When described pressure value is at the first pressure range, make electric current internal linear change between the first Current Zone that described controller is exported by PWM output interface;
When described pressure value is less than the minimum value in the first interval, the current value exported is made to be maintained the first steady state value;
When described pressure value is greater than the maximum value in the first interval, the current value exported is made to be maintained the second steady state value.
Further, described enter under rock pattern, the pressure value of pressure sensor collection is sent to described controller via pressure sensor interface: make described controller export the 3rd constant current value by PWM output interface.
Further, under described energy saver mode, the pressure value of pressure sensor collection is sent to described controller via pressure sensor interface:
When described pressure value is at the second pressure range, make electric current internal linear change between the second Current Zone that described controller is exported by PWM output interface;
When described pressure value is less than the minimum value in the second interval, the current value exported is made to be maintained the 4th steady state value;
When described pressure value is greater than the maximum value in the second interval, the current value exported is made to be maintained the 5th steady state value.
The present invention can according to different geology operating modes; each principal parameter is made to realize optimal proportion; meet the different demands of multiple geological conditions to unit head moment of torsion and rotating speed; can guarantee efficiently to enter rock when the operating mode of hard formation; promote the efficiency of construction of hard formation and protect drilling rod; both improve drilling efficiency when soft formation, reach again energy-conservation effect.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the circuit structure diagram of rotary digging drill power head of the present invention many grades of mode control devices specific embodiment.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
As shown in Figure 1: the present invention includes power switch 1, battery 2, pressure sensor 3, unit head mode conversion switch 4, controller 5, first proportion magnetic valve 6, second proportion magnetic valve 7, the 3rd proportion magnetic valve 8; The negative pole of described battery 2 is by described power switch 1 ground connection, and the positive pole of described battery 2 is connected with one end of the power port of described controller 5, the input of described pressure sensor 3 and described unit head mode conversion switch 4 respectively; The output of described pressure sensor 3 is connected with the input end of analog signal of described controller 5; The other end of described unit head mode conversion switch 4 is connected with the digital signal input end of described controller 5; Described controller 5 comprises a PWM output port, the 2nd PWM output port and the 3rd PWM output port; Described first proportion magnetic valve 6, second proportion magnetic valve 7 is connected with the PWM output port on described controller, the 2nd PWM output port and the 3rd PWM output port respectively with the 3rd proportion magnetic valve 8; In a specific embodiment, RC28-14 controller selected by controller 5; Above-mentioned three proportion magnetic valves are the proportion magnetic valve of the electric rate variable motor of unit head 3; The negative pole of battery 2 passes through power switch 1 ground connection, 201 ends of the positive pole connection control device 5 of battery 2 and 203 ends, positive pole 1 end of Bonding pressure sensor 3 and one end of unit head mode conversion switch 4 simultaneously of battery 2; 202 end ground connection of controller 5; 2 ends of pressure sensor 3 are connected to 171 ends of controller; The other end of unit head mode conversion switch 4 is connected to 134 ends of controller 5; 153,177,154 ends of controller 5 respectively with proportion magnetic valve 1, proportion magnetic valve 2, proportion magnetic valve 3 is corresponding connects.
The pattern of controller acquiescence is mode standard, when unit head mode conversion switch 4 is pressed, is then entering between rock, energy-conservation, mode standard to switch successively.Tractor driver, according to different geology operating modes, switches to a certain unit head pattern, and during common operating mode, default standard pattern, during hard rock operating mode, selects into rock pattern, during Soft Soil Layer, selects energy saver mode.In different modes, controller exports different PWM value control three proportion magnetic valves, makes three electric rate variable motors have different output torques and rotating speed.Optional dress display real-time display mode switches fault state and input and output, makes operator very clear.
The present invention also proposes a kind of rotary drilling rig comprising above-mentioned control system.
Under described mode standard, the pressure value gathered by pressure sensor 3 is sent to described controller 5 via pressure sensor interface:
When described pressure value is when the first pressure range (such as, 180bar-280bar), the electric current that described controller 5 is exported by PWM output interface in the first Current Zone in (such as, 600mA--200mA) linear change;
When described pressure value is less than minimum value (such as, 180bar) in the first interval, the current value exported is made to be maintained the first steady state value (such as, 600mA);
When described pressure value is greater than maximum value (such as, 280bar) in the first interval, the current value exported is made to be maintained the second steady state value (such as, 200mA).
Described enter under rock pattern, the pressure value gathered by pressure sensor 3 is sent to described controller 5 via pressure sensor interface: make described controller 5 export the 3rd constant current value (such as, 200mA) by PWM output interface.This pattern makes power head motor moment of torsion maximum, and rotating speed is minimum.
Further, under described energy saver mode, the pressure value gathered by pressure sensor 3 is sent to described controller 5 via pressure sensor interface:
When described pressure value is when the second pressure range (such as, 180bar-228bar), make electric current (such as, 600mA--200mA) internal linear change between the second Current Zone that described controller 5 is exported by PWM output interface;
When described pressure value is less than minimum value (such as, 180bar) in the second interval, the current value exported is made to be maintained the 4th steady state value (such as, 600mA);
When described pressure value is greater than maximum value (such as, 228bar) in the second interval, make the current value exported be maintained the 5th steady state value (such as, 200mA), this pattern can improve the drilling efficiency of Soft Soil Layer and energy-conservation.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And do not depart from the spirit of technical solution of the present invention, all should be encompassed in request of the present invention protection technical scheme scope in the middle of.
Claims (13)
1. rotary digging drill power head many grades of mode control devices, is characterized in that, comprise pressure sensor (3), unit head mode conversion switch (4), controller (5) and ratio adjusting valve group; Described controller (5) comprises power interface, pressure sensor interface, patten transformation interface, PWM output interface;
Described pressure sensor (3) and the electrical connection of described pressure sensor interface, provide the rotating forward pressure signal of power head motor to described controller (5);
Described unit head mode conversion switch (4) is electrically connected with described patten transformation interface, by the switching of described unit head mode conversion switch (4), provides corresponding unit head mode signal to described controller (5);
The PWM output port of described controller (5) is connected with described ratio adjusting valve group, provides control signal to described ratio adjusting valve group.
2. control device as claimed in claim 1, it is characterized in that, the PWM output port of described controller (5) comprises a PWM output port, the 2nd PWM output port and the 3rd PWM output port; Described ratio adjusting valve group comprises the first ratio adjusting valve (6), the second ratio adjusting valve (7) and the 3rd ratio adjusting valve (8); Described first ratio adjusting valve (6), the second ratio adjusting valve (7) are connected with the PWM output port on described controller (5), the 2nd PWM output port and the 3rd PWM output port respectively with the 3rd ratio adjusting valve (8).
3. control device according to claim 2, it is characterized in that, described first ratio adjusting valve (6), the second ratio adjusting valve (7) and the 3rd ratio adjusting valve (8) are respectively the ratio adjusting valve of the ratio adjusting valve of the first electric rate variable motor, the ratio adjusting valve of the second electric rate variable motor and the 3rd electric rate variable motor.
4. control device according to claim 3, it is characterized in that, the ratio adjusting valve of the ratio adjusting valve of described first electric rate variable motor, the ratio adjusting valve of the second electric rate variable motor and the 3rd electric rate variable motor is proportion magnetic valve.
5. control device according to claim 1, is characterized in that, described controller (5) is RC28-14 controller.
6. control device according to claim 1, is characterized in that, described pressure sensor (3) is power head motor rotating forward pressure sensor.
7. control device according to claim 1, is characterized in that, also comprises power switch (1), battery (2) and interface of the ground wire;
The negative pole of described battery (2) is by described power switch (1) ground connection, the positive pole of described battery (2) is electrically connected with the power interface of described controller (5), pressure sensor (3) and described unit head mode conversion switch (4) respectively, described interface of the ground wire ground connection.
8. control device according to claim 7, is characterized in that, the power port of described controller (5) is two.
9. a rotary drilling rig, is characterized in that, comprises as the control device of claim 1 ~ 8 as described in any one.
10., as a control method for the control device of claim 1 ~ 8 as described in any one, it is characterized in that, comprising:
By the unit head mode conversion switch (4) of described control device, unit head pattern is made to enter rock pattern, change between energy saver mode and mode standard;
Described enter under rock pattern, energy saver mode or mode standard, make described controller (5) export corresponding PWM value extremely described ratio adjusting valve group separately, to regulate the Power output being supplied to unit head by described ratio adjusting valve group.
11. control methods as claimed in claim 10, is characterized in that, comprising: under described mode standard, and the pressure value gathered by pressure sensor (3) is sent to described controller (5) via pressure sensor interface:
When described pressure value is at the first pressure range, make electric current internal linear change between the first Current Zone that described controller (5) is exported by PWM output interface;
When described pressure value is less than the minimum value in the first interval, the current value exported is made to be maintained the first steady state value;
When described pressure value is greater than the maximum value in the first interval, the current value exported is made to be maintained the second steady state value.
12. control methods as claimed in claim 10, is characterized in that, comprising:
Described enter under rock pattern, the pressure value gathered by pressure sensor (3) is sent to described controller (5) via pressure sensor interface: make described controller (5) export the 3rd constant current value by PWM output interface.
13. control methods as claimed in claim 10, is characterized in that, comprising: under described energy saver mode, and the pressure value gathered by pressure sensor (3) is sent to described controller (5) via pressure sensor interface:
When described pressure value is at the second pressure range, make electric current internal linear change between the second Current Zone that described controller (5) is exported by PWM output interface;
When described pressure value is less than the minimum value in the second interval, the current value exported is made to be maintained the 4th steady state value;
When described pressure value is greater than the maximum value in the second interval, the current value exported is made to be maintained the 5th steady state value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049920.7A CN104632070B (en) | 2015-01-30 | 2015-01-30 | Rotary digging drill power head multi gear mode control device, method and rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049920.7A CN104632070B (en) | 2015-01-30 | 2015-01-30 | Rotary digging drill power head multi gear mode control device, method and rotary drilling rig |
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| Publication Number | Publication Date |
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| CN104632070A true CN104632070A (en) | 2015-05-20 |
| CN104632070B CN104632070B (en) | 2017-07-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016119187A1 (en) * | 2015-01-30 | 2016-08-04 | 徐州徐工基础工程机械有限公司 | Multi-gear mode control device for auger drill power head, and auger drill and control method |
| CN115030705A (en) * | 2022-06-14 | 2022-09-09 | 恒天九五重工有限公司 | Rotary drilling rig with multi-gear power mode and control method thereof |
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| CN104632070B (en) | 2017-07-11 |
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