CN107780917A - Full-rotating drill power control system - Google Patents
Full-rotating drill power control system Download PDFInfo
- Publication number
- CN107780917A CN107780917A CN201610728281.1A CN201610728281A CN107780917A CN 107780917 A CN107780917 A CN 107780917A CN 201610728281 A CN201610728281 A CN 201610728281A CN 107780917 A CN107780917 A CN 107780917A
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- Prior art keywords
- valve group
- pressure
- pump
- full
- control system
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008450 motivation Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Fluid-Pressure Circuits (AREA)
- Earth Drilling (AREA)
Abstract
Present invention is disclosed a kind of full-rotating drill power control system, the full-rotating drill includes revolution equipment and the rotary control valve group of control revolution equipment running, and a pressure pulls out equipment and control pressure pulls out the direction controlling valve group of equipment operating, the power control system includes two sets of engine pump groups, every suit engine pump group includes providing two drum pumps of rotary motive power to revolution equipment, pulling out equipment offer to pressure by direction controlling valve group presses a pressure for stirring power to pull out pump, power control system also includes a working oil path and switches valve group, wherein, two pressure pull out in pump it is at least one by working oil path switch valve group hydraulic oil can be switched in rotary control valve group from direction controlling valve group.
Description
Technical field
The present invention relates to engineering machinery field, more particularly to a kind of adjustable full-sleeve full-rotation drill power control
System processed.
Background technology
It is various multiple in plateau, mountain area, hills, seabeach, rivers,lakes and seas beach etc. with the continuous quickening of China's infrastructure
Construction under miscellaneous geological environment is more and more, and frequently encountering underground during site operation has drift sand, solution cavity, rock stratum etc. various intricately
Matter situation, traditional excavation equipment and construction method are difficult construction.Occurs full-sleeve full-rotation drill both at home and abroad in recent years.
Full-sleeve full-rotation drill is mainly used in the duty requirements into macropore into deep hole of pile foundation engineering, into two meter six with
On macropore operating mode it is more and more, and due to the progressively improvement of construction, when into the operating mode of deep hole, first into certain depth
Macropore, then progressively with stepped reduction drilling diameter, to reach ultimate depth.
Mainstream model is the rig of two meters to two meter six of diameter in the market, and power source is mainly 272KW to 373KW's
Monomotor, for more than the 500KW high-power engines required for the large type drill of three meter two of diameter can type selecting species less simultaneously
And it is high-power cause consume height cause uneconomical practicality, can not adapt to city completely in face of two meter of less than six type of building site actual condition
, it is necessary to release a kind of having for power adjustable section of constructing in the case of more than 500KW engine type selectings are difficult and uneconomic
The full-sleeve full-rotation drill of individual more gears.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of full-rotating drill power control system that can be shifted gears.
In order to solve the above technical problems, the invention discloses following technical scheme：A kind of full-rotating drill power control is provided
System processed, the full-rotating drill include revolution equipment and the rotary control valve group of control revolution equipment running, with
And a pressure pulls out equipment and control pressure pulls out the direction controlling valve group of equipment operating, the power control system includes two
Engine pump group is covered, every suit engine pump group includes providing two drum pumps of rotary motive power to revolution equipment, passed through
Direction controlling valve group pulls out equipment offer to pressure and presses a pressure for stirring power to pull out pump, and the power control system also includes one
Working oil path switch valve group, two pressure pull out in pump it is at least one by working oil path switch valve group can by hydraulic oil from direction control
It is switched in valve group processed in rotary control valve group.
Further, the engine pump group also includes a leveling pump and a pioneer pump
Further, the pressure that the full-rotating drill also includes being connected with engine pump group with power control system pulls out guide
Control valve group, for controlling pressure to pull out the uninterrupted of hydraulic oil in pump.
Further, the pressure, which is pulled out, also includes guide's switching valve group between pilot control valve group and engine pump group,
For the traffic demand that the flow for pulling out pump will be pressed to be adjusted to drum pump.
Further, the full-rotating drill also includes the revolution guide being connected with engine pump group with power control system
Control valve group, for controlling the uninterrupted of hydraulic oil in drum pump.
Further, the guide that the full-rotating drill also includes being connected with direction controlling valve group with power control system is controlled
Valve group processed and Stress control valve group, wherein pilot control valve group are used for the specific motion of control direction control valve group, pressure
Control valve group is used for the pressure size for controlling the pressure being connected with direction controlling valve group to pull out equipment.
Further, the full-rotating drill also includes a folder being connected with direction controlling valve group with power control system
Tight equipment, Stress control valve group are used to control the clamping force size for clamping equipment.
Further, the full-rotating drill also includes the clamping equipment of a sleeve pipe and a grip sleeve,
Described sleeve pipe rotates descending or risen under the oil pressure actuated that direction controlling valve group exports, and the power control system also includes one
Individual pressure protection valve group, pressure protection valve group are supplied to the descending oil pressure size of sleeve pipe for control direction control valve group.
Further, cutter is installed in described sleeve pipe, when the load that the cutter is born reaches rated load, pressure
The hydraulic oil that valve group cutting direction control valve group exports is protected to stop applying descending power to sleeve pipe.
Further, the clamping equipment and pressure pull out the hydraulic pressure that equipment is provided by direction controlling valve group respectively
Oil performs specific clamping or press-in pull action.
Compared to prior art, meeting the full-rotating drill power control system of the present invention has that a variety of gears are adjustable,
While can meet the requirement of complex working condition, the service efficiency of full-rotating drill is improved again, adds the practicality of equipment.
Brief description of the drawings
Fig. 1 is the principle schematic for meeting the full-rotating drill power control system of the present invention.
Fig. 2 is the hydraulic schematic diagram for meeting the full-rotating drill power control system of the present invention.
Embodiment
It is the full-rotating drill principle (not shown) with power control system 100 for meeting the present invention as shown in Figures 1 and 2
Schematic diagram and hydraulic principle schematic diagram.Full-rotating drill full name mentioned in the present invention is full-sleeve full-rotation drill, and it is wrapped
Include the sleeve pipe (not shown) that a periphery is provided with cutter.The power control system 100 includes one and clamps foregoing sleeve pipe
Equipment 60 is clamped, the revolution equipment 40 that control sleeve pipe does gyration returns with what control revolution equipment 40 operated
Turn control valve group 38；And a pressure for realizing sleeve pipe press-in and pull action pulls out equipment 50, and control pressure pulls out work clothes
Put the direction controlling valve group 35 of 50 operatings.The power control system 100 includes A engines pump group 10 and B engines pump group 20
Two sets of engine pump groups, for convenience of describing, represented respectively with engine pump group 10 and engine pump group 20 hereinafter.
Two drum pumps, 12, pressures that wherein engine pump group 10 includes engine 11 and driven by engine 11 pull out pump
13 and duplex pump 14.Drum pump 12 provides rotary motive power eventually through rotary control valve group 38 to revolution equipment 40；Pressure
Pull out pump 13 by direction controlling valve group 35 to pressure pull out equipment 50 provide pressure stir power.Motivation pump group 20 includes the He of engine 21
Two drum pumps driven by engine 21,22, pressures pull out pump 23 and duplex pump 24.Drum pump 22 is controlled eventually through revolution
Valve group 38 processed provides rotary motive power to revolution equipment 40；Pressure pulls out pump 23 and pulls out equipment to pressure by direction controlling valve group 35
50 offer pressures stir power.Wherein, the duplex pump 14 and duplex pump 24 are by a leveling pump (non-label) and a pioneer pump
(non-label) is formed, and leveling effect and leading role are provided for power control system 100.
The power control system 100 also includes a working oil path and switches valve group 33, and above-mentioned two pressure is pulled out in pump 13,23
At least one valve group 33 can be switched by hydraulic oil from direction controlling valve group 35 by working oil path according to the demand of actual condition
In be switched in rotary control valve group 38, to provide more powerful rotary motive power to full-rotating drill.Power control system 100
The pressure for also including connecting respectively with engine pump group 10,20 pulls out pilot control valve group 31, for controlling pressure to pull out hydraulic pressure in pump 13,23
The uninterrupted of oil, the pressure, which is pulled out, is additionally provided with guide's switching valve between pilot control valve group 31 and engine pump group 10,20
Group 32, guide switch valve group 32 and are used to for the flow that pressure is pulled out in pump 13,23 to be adjusted to the uninterrupted as drum pump 12,22,
To meet construction demand.The power control system 100 also includes the revolution pilot-actuated valve being connected with engine pump group 10,20
Group 39, revolution pilot control valve group 39 are used for the uninterrupted for controlling hydraulic oil in drum pump 12,22.Power control system 100
Also include the pilot control valve group 37 and Stress control valve group 34 being connected with direction controlling valve group 35, wherein pilot control valve group 37
For the specific motion of control direction control valve group 35, Stress control valve group 34 is used to control and connected with direction controlling valve group 35
The clamping equipment 60 and pressure that connect pull out the pressure size of equipment 50, and the clamping equipment 60 and pressure pull out equipment
50 hydraulic oil provided respectively by direction controlling valve group 35 perform specific clamping or press-in pull action.
Preferably, the sleeve pipe of the full-rotating drill rotated under the oil pressure actuated that direction controlling valve group 35 exports it is descending or
Rise, the power control system 100 also includes a pressure protection valve group 36 and arithmetic processor (not shown), pressure protection
Valve group 36 is used for the oil pressure size that control direction control valve group 35 is supplied to sleeve pipe.The load Real-time Feedback that foregoing cutter is born
To arithmetic processor, sleeve pipe deadweight is calculated by arithmetic processor and the downward of cutter is applied to by direction controlling valve group 35
Pressure summation and relatively protect cutter compared with the rated load of cutter, when above-mentioned total load that cutter is born reaches volume
When determining load, the hydraulic oil of the cutting direction control valve group 35 of pressure protection valve group 36 output is descending dynamic to stop applying to sleeve pipe
Power, and then protect the effect of cutter.
The full-rotating drill for meeting the present invention meets the requirement of various working, and the gear with following four pattern can
It is selective, implement in the following manner respectively：
The first：The pump pressure of drum pump four pulls out pump double pump pattern under engine 11,21 while working condition.
Engine 11 drives two drum pumps 12 and a pressure pulls out pump 13 and duplex pump 14, and engine 21 drives two to return
Turn pump 22 and a pressure pulls out pump 23 and duplex pump 24；Two drum pumps 12 and two hydraulic oil of drum pump 22 converge through check valve 4
Collection is delivered to each equipment to rotary control valve group 38 through rotary control valve group 38 or direction controlling valve group 35；Pressure pulls out pump
13 or pressure pull out the hydraulic oil of pump 23 and be collected to working oil path switching valve group 33 through check valve 4, in working oil path switching valve group 33
SOL.102 obtain it is electric, hydraulic oil through working oil path switching valve group 33 B mouths check valve 4 flow to direction controlling valve group 35 after transmit
To equipment；Pioneer pump hydraulic oil in duplex pump 14 and duplex pump 24 is after check valve 4 and revolution pilot control valve group 39
Be collected to the Variable Control mouth of drum pump 12 and drum pump 22, at the same through pressure pull out pilot control valve group 31 be collected to pressure pull out pump 13 or
Pressure pulls out the Variable Control mouth of pump 23, realizes that the pump pressure of drum pump four pulls out pump double pump pattern.
Second：The pump pressure of drum pump five pulls out pump single pump mode under engine 11,21 while working condition.
Engine 11 drives two drum pumps, 12, pressures to pull out pump 13 and duplex pump 14；Engine 21 drives two to return
Turn 22, pressures of pump and pull out pump 23 and duplex pump 24；The hydraulic oil of two drum pumps 12 and two drum pumps 22 converges through check valve 4
Collection is to rotary control valve group 38, to equipment after rotary control valve group 38 and direction controlling valve group 35, while working oil path
SOL.103 in switching valve group 33 obtains electric, and pressure pulls out hydraulic oil in pump 13 through the A in check valve 4, working oil path switching valve group 33
P5 mouths on mouth check valve 4 and rotary control valve group 38 are collected to rotary control valve group 38 and conveyed again after direction control valve group 35
To equipment；The SOL.104 that guide switches in valve group 32 obtains electric, duplex pump 14 and the hydraulic pressure in the pioneer pump in duplex pump 24
Oil is through check valve 4 and turns round pilot control valve group 39 with the B mouths in guide's switching valve group 32 to P mouths, then delivers to pressure and pull out pump 13
Variable Control mouth；Hydraulic oil in pioneer pump is collected to drum pump 12 and revolution through check valve 4 and revolution pilot control valve group 39
The Variable Control mouth of pump 22；Hydraulic oil in pioneer pump delivers to pressure after check valve 4 and pressure pull out pilot control valve group 31 and pulls out pump 23
Variable Control mouth, realize drum pump five pump pressure pull out pump single pump mode.
The third：Engine 11 works independently.
The pressure of drum pumps 12, one of driving two of engine 11 pulls out pump 13 and duplex pump 14 works, on two drum pumps 12
Hydraulic oil is collected to rotary control valve group 38 by P1, P2 mouth on check valve 4 and rotary control valve group 38, then is controlled through revolution
Equipment is delivered to after valve group 38 and direction controlling valve group 35；Simultaneously working oil path switching valve group 33 on SOL.102 obtain it is electric,
Pressure pulls out hydraulic oil on pump 13 through the P mouths in working oil path switching valve group 33 to B mouths and check valve 4, finally through directional control valve
To equipment after group 35；Guide's hydraulic oil in duplex pump 14 flow to the change of drum pump 12 after turning round pilot control valve group 39
Measure control mouth, while pulled out through pressure after the A mouths that pilot control valve group 31 and guide switch in valve group 32 arrive P mouths and pull out pump 13 to pressing again
Variable Control mouth, realize working independently for engine 11.
4th kind：Engine 21 works independently.
Engine 21 drives two drum pumps 22 and a pressure to pull out pump 23 and duplex pump 24.Hydraulic pressure in two drum pumps 22
P3, P4 mouth that oil flow to rotary control valve group 38 after check valve 4 are collected to rotary control valve group 38, through rotary control valve group 38
Equipment is delivered to after direction controlling valve group 35；Pressure pulls out hydraulic oil in pump 23 after check valve 4, direction controlling valve group 35
It is delivered to equipment；Pioneer pump hydraulic oil in duplex pump 24 is after check valve 4 and revolution pilot control valve group 39 to revolution
The Variable Control mouth of pump 22, while realize hair again to the Variable Control mouth for pulling out pump 23 is pressed after pilot control valve group 31 is pulled out in overvoltage
Motivation 21 works independently.
Claims (10)
1. a kind of full-rotating drill power control system, the full-rotating drill includes revolution equipment and control revolution work
Make the rotary control valve group of device running, and a pressure pulls out equipment and control pressure pulls out the direction controlling of equipment operating
Valve group, the power control system include two sets of engine pump groups, and every suit engine pump group includes carrying to revolution equipment
Two drum pumps for rotary motive power, by direction controlling valve group to pressure pull out equipment the pressure that pressure stirs power is provided and pull out
Pump, it is characterised in that the power control system also includes a working oil path and switches valve group, and two pressures pull out at least one in pump
It is individual hydraulic oil to be switched to by working oil path switching valve group in rotary control valve group from direction controlling valve group.
2. the full-rotating drill power control system as described in requiring right 1, it is characterised in that：The engine pump group is also wrapped
Include a leveling pump and a pioneer pump.
3. the full-rotating drill power control system as described in requiring right 1, it is characterised in that：Also include and engine pump group
The pressure of connection pulls out pilot control valve group, for controlling pressure to pull out the uninterrupted of hydraulic oil in pump.
4. the full-rotating drill power control system as described in requiring right 3, it is characterised in that：The pressure pulls out pilot-actuated valve
Also include a guide between group and engine pump group and switch valve group, for the flow that the flow for pulling out pump will be pressed to be adjusted to drum pump
Demand.
5. the full-rotating drill power control system as described in requiring right 1, it is characterised in that：Also include and engine pump group
The revolution pilot control valve group of connection, for controlling the uninterrupted of hydraulic oil in drum pump.
6. the full-rotating drill power control system as described in requiring right 1, it is characterised in that：Also include and directional control valve
The pilot control valve group and Stress control valve group that group connects respectively, wherein pilot control valve group are used for control direction control valve group
Specific motion, Stress control valve group are used for the pressure size for controlling the pressure being connected with direction controlling valve group to pull out equipment.
7. the full-rotating drill power control system as described in requiring right 6, it is characterised in that：Also include one to control with direction
The clamping equipment of valve group connection processed, the Stress control valve group are used to control the clamping force size for clamping equipment.
8. the full-rotating drill power control system as described in requiring right 1, it is characterised in that：The full-rotating drill also wraps
Include the clamping equipment of a sleeve pipe and a grip sleeve, the oil pressure actuated that described sleeve pipe exports in direction controlling valve group
Lower rotation is descending or rises, and the power control system also includes a pressure protection valve group, and pressure protection valve group is used to control
Direction controlling valve group is supplied to the descending oil pressure size of sleeve pipe.
9. the full-rotating drill power control system as described in requiring right 8, it is characterised in that：Knife is installed in described sleeve pipe
Tool, when the load that the cutter is born reaches rated load, the hydraulic pressure of pressure protection valve group cutting direction control valve group output
Oil is to stop applying descending power to sleeve pipe.
10. the full-rotating drill power control system as described in requiring right 8, it is characterised in that：The clamping equipment
And pressure pulls out the hydraulic oil that equipment is provided by direction controlling valve group respectively and performs specific clamping or press-in pull action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728281.1A CN107780917A (en) | 2016-08-25 | 2016-08-25 | Full-rotating drill power control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728281.1A CN107780917A (en) | 2016-08-25 | 2016-08-25 | Full-rotating drill power control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107780917A true CN107780917A (en) | 2018-03-09 |
Family
ID=61439028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610728281.1A Pending CN107780917A (en) | 2016-08-25 | 2016-08-25 | Full-rotating drill power control system |
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| Country | Link |
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| CN (1) | CN107780917A (en) |
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