CN202578490U - Power head for long spiral drilling machine - Google Patents
Power head for long spiral drilling machine Download PDFInfo
- Publication number
- CN202578490U CN202578490U CN 201220179628 CN201220179628U CN202578490U CN 202578490 U CN202578490 U CN 202578490U CN 201220179628 CN201220179628 CN 201220179628 CN 201220179628 U CN201220179628 U CN 201220179628U CN 202578490 U CN202578490 U CN 202578490U
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- hydraulic motor
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- pressure
- controller
- drilling machine
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Abstract
The utility model discloses a power head for a long spiral drilling machine. The power head comprises a driving system, wherein the driving system comprises a variable hydraulic motor, a hydraulic system for supplying oil to the hydraulic motor through an oil supply pipeline, a proportional valve for adjusting the displacement of the variable hydraulic motor and a controller for transmitting a pressure signal on the oil supply pipeline to the proportional valve; a pressure gauge and/or a pressure sensor are/is arranged on the oil supply pipeline; the signal input end of the controller is connected with the single output end of a manually-controlled gear switch and/or the signal output end of the pressure sensor; and the signal output end of the controller is connected with the single input end of the proportional valve. According to the power head disclosed by the utility model, the pressure signal of the system is transmitted to the controller by the pressure sensor and/or the pressure gauge, the controller sends an instruction signal for controlling displacement to the proportional valve, the proportional valve controls the displacement of the hydraulic motor according to the instruction signal and makes corresponding rotation speed adjustment to ensure that the drilling machine executes drilling with higher efficiency, therefore the rotation speed can be adjusted according to difference of formation resistance.
Description
Technical field
The utility model relates to the device that is used to drive drilling rod on a kind of long-spiral drilling machine.
Background technology
At present, supporting working power head of long-spiral drilling machine such as Chinese patent notification number are CN201546613U, and the day for announcing is on August 11st, 2010; Name is called the unit head that discloses a kind of long-spiral drilling machine in ' long-spiral drilling machine ' manual, comprises the unit head drive system, and the unit head drive system comprises the hydraulic motor of installing on the unit head; And through the hydraulic system of pipeline to the hydraulic motor fuel feeding, described hydraulic system comprises the motor-driven hydraulic pump that is provided with on the workbench, and the clutch end of hydraulic pump and the power intake of hydraulic motor are in transmission connection; The clutch end of hydraulic motor and the input of unit head are in transmission connection; Fluid motor-driven unit head output speed is a steady state value in the prior art, in drilling process, if the stratum soil property situation changes; Unit head can't adapt to the variation on stratum; The operator can only reduce penetration rate and prevent the unit head bit freezing, and this greatly reduces the efficiency of construction of rig, has more limited the use of long-spiral drilling machine at bad ground.
The utility model content
The purpose of the utility model is to provide a kind of long-spiral drilling machine to use unit head, is suitable for the demands of different of Different Strata resistance to moment of torsion and rotating speed to satisfy.
For realizing above-mentioned purpose; The utility model adopts following technical scheme: a kind of long-spiral drilling machine is used unit head; Comprise the drive system that power is provided to the gyroscopic output end; Described drive system comprises hydraulic motor and passes through the hydraulic system that oil feed line is given the hydraulic motor fuel feeding; Described hydraulic motor is a variable hydraulic motor; The controller that this drive system also comprises the proportioning valve the discharge capacity of variable hydraulic motor regulated according to the pressure signal on the oil feed line and the pressure signal on the oil feed line is transferred to proportioning valve; Oil feed line is provided with the pressure meter and/or the pressure sensor of the pressure signal that is used to monitor oil feed line, and the signal input part of controller links to each other with come manually the signal output part of the driving switch of control and/or the signal output part of pressure sensor according to pressure meter, and the signal output part of controller links to each other with the signal input part of proportioning valve.
This unit head also comprises deceleration system, and described deceleration system is the planetary reducer of coaxial setting on the output shaft of variable hydraulic motor.
A kind of long-spiral drilling machine of the utility model is used unit head; Pressure sensor and/or pressure meter are given controller with the pressure signal transmission of system; Controller is given the command signal of a control of proportioning valve flow; Proportioning valve is according to the discharge capacity of command signal control hydraulic motor, and the adjusting of making corresponding rotating speed makes rig implement to creep into higher efficient all the time, promptly realizes the difference adjustment rotating speed of base area layer resistance.
Further, described deceleration system is a planetary reduction gear, can realize the transmission of power of big speed ratio.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model;
Fig. 2 is the structural representation of the drive system of the utility model.
The specific embodiment
A kind of long-spiral drilling machine is with the embodiment of unit head; Shown in Fig. 1-2; Comprise drive system, deceleration system, transmission system that power is provided to the gyroscopic output end, described drive system comprises variable hydraulic motor 1 and the hydraulic system 2 of giving the hydraulic motor fuel feeding through oil feed line, and oil feed line is provided with the pressure meter 3 of the pressure signal that is used to monitor oil feed line; The controller 4 that this drive system also comprises the proportioning valve 6 the discharge capacity of variable hydraulic motor regulated according to the pressure signal on the oil feed line and the pressure signal on the oil feed line is transferred to proportioning valve; Controller 4 is provided with according to pressure meter and comes manually four driving switch of control, and four driving switch are respectively one grade 8, minimum speed; Peak torque is fit to creep into boulder bed, glued hard formation; Second gear 13, rotating speed are high slightly, and moment of torsion is slightly little, are fit to creep into loose boulder bed, sand bed; Third gear 14, rotating speed is higher, and moment of torsion is less, is fit to creep into clay layer; Fourth gear 15, rotating speed is the highest, and moment of torsion is minimum, is fit to creep into loose soil layer.Controller 4 is provided with the corresponding ON-OFF control circuit that links to each other of signal output part with each driving switch; The signal output part of the ON-OFF control circuit on the controller 4 links to each other with the signal input part of proportioning valve 6; During boring; The operator selects suitable driving switch according to system pressure; Described deceleration system is the planetary reducer 7 of coaxial setting on the output shaft of variable hydraulic motor, and described transmission system is the pinion 10 that sets firmly on the output shaft of planetary reducer 7 and is installed in the gear wheel 12 on the rotary support 11 with the pinion transmission.
The foregoing description in use, in drilling process, the height of hydraulic system pressure can reflect the soft or hard degree on stratum; The operator can be according to the indicating value of system pressure table, at the rotating speed and the moment of torsion that creep into different strata time control brake force head, when pressure is higher; The stratum is harder, and unit head is adjusted at low or first gear work, at this moment; Rotating speed reduces, and output torque increases; When pressure was low, the stratum was softer, and unit head is adjusted at top gear work, and this moment, rotating speed raise, and output torque is corresponding to diminish.After pressing corresponding gear button; Controller sends a gear command signal to proportioning valve, and proportioning valve is according to a control of this signal output electric current, the proportion electro-magnet on the control variables hydraulic motor; And then the discharge capacity of control hydraulic motor, the output speed and the moment of torsion of adjusting unit head.
In other embodiment; Oil feed line upward pressure table can also replace to pressure sensor; Pressure sensor links to each other with the signal input part of controller; Controller is a programmable logic controller; Programmable logic controller is provided with the circuit that carries out procedure Selection according to the pressure signal of pressure sensor, and the signal output part of the circuit of controller links to each other with the signal input part of proportioning valve, and programmable logic controller can be regulated control to the discharge capacity of variable hydraulic motor automatically according to the pressure signal of pressure sensor.
In other embodiment; Can also be provided with pressure meter and pressure sensor simultaneously on the described oil feed line; Adopt hand-guided and control mixed mode automatically; Be respectively arranged with manual gear on-off circuit and programmable integrated circuit manual gear on-off circuit and programmable integrated circuit on the controller and be electrically connected with proportioning valve respectively, if the automatic control program fault can be selected manual control program, mixed mode has strengthened the reliability of equipment.
Claims (2)
1. a long-spiral drilling machine is used unit head; Comprise the drive system that power is provided to the gyroscopic output end; Described drive system comprises hydraulic motor and passes through the hydraulic system that oil feed line is given the hydraulic motor fuel feeding; It is characterized in that; Described hydraulic motor is a variable hydraulic motor, and this drive system also comprises the proportioning valve the discharge capacity of variable hydraulic motor regulated according to the pressure signal on the oil feed line and the pressure signal on the oil feed line is transferred to the controller of proportioning valve, and oil feed line is provided with the pressure meter and/or the pressure sensor of the pressure signal that is used to monitor oil feed line; The signal input part of controller links to each other with the signal output part of the driving switch that comes according to pressure meter manually to control and/or the signal output part of pressure sensor, and the signal output part of controller links to each other with the signal input part of proportioning valve.
2. long-spiral drilling machine according to claim 1 is used unit head, it is characterized in that, this unit head also comprises deceleration system, and described deceleration system is the planetary reducer of coaxial setting on the output shaft of variable hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220179628 CN202578490U (en) | 2012-04-25 | 2012-04-25 | Power head for long spiral drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220179628 CN202578490U (en) | 2012-04-25 | 2012-04-25 | Power head for long spiral drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202578490U true CN202578490U (en) | 2012-12-05 |
Family
ID=47247911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220179628 Expired - Fee Related CN202578490U (en) | 2012-04-25 | 2012-04-25 | Power head for long spiral drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202578490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105102751A (en) * | 2013-03-19 | 2015-11-25 | 玫海伟尔特(德国)股份有限公司 | Top drive for a drill string |
| CN113187380A (en) * | 2021-04-30 | 2021-07-30 | 北京三一智造科技有限公司 | Rotary drilling rig power head control method and system and rotary drilling rig |
-
2012
- 2012-04-25 CN CN 201220179628 patent/CN202578490U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105102751A (en) * | 2013-03-19 | 2015-11-25 | 玫海伟尔特(德国)股份有限公司 | Top drive for a drill string |
| CN105102751B (en) * | 2013-03-19 | 2017-06-09 | 玫海伟尔特(德国)股份有限公司 | For the top drive of drill string |
| US10221626B2 (en) | 2013-03-19 | 2019-03-05 | Mhwirth Gmbh | Top drive for a drill string |
| CN113187380A (en) * | 2021-04-30 | 2021-07-30 | 北京三一智造科技有限公司 | Rotary drilling rig power head control method and system and rotary drilling rig |
| CN113187380B (en) * | 2021-04-30 | 2024-05-24 | 北京三一智造科技有限公司 | Rotary drilling rig power head control method and system and rotary drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140425 |