CN103758802B - Automatic drill feed liquor pressure control system and operating vehicle - Google Patents
Automatic drill feed liquor pressure control system and operating vehicle Download PDFInfo
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- CN103758802B CN103758802B CN201410034176.9A CN201410034176A CN103758802B CN 103758802 B CN103758802 B CN 103758802B CN 201410034176 A CN201410034176 A CN 201410034176A CN 103758802 B CN103758802 B CN 103758802B
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Abstract
A kind of automatic drill feed liquor pressure control system and operating vehicle, have two position two-way valve (1); Amplitude oil cylinder (2); Equilibrium valve (3); First one-way valve (4); Reduction valve (5); Oil hydraulic motor (6); First multi-way valve (8); Second multi-way valve (9); The oil hydraulic pump (7) be communicated with multi-way valve (8,9); First multi-way valve (8) is communicated with oil hydraulic motor (6), and return opening is communicated with return tube; First actuator port of the second multi-way valve (9) is communicated with two position two-way valve (1), and the second actuator port is communicated with equilibrium valve (3); Two position two-way valve (1) is communicated with the control port of equilibrium valve (3) with the rod chamber of amplitude oil cylinder (2); The oil outlet of equilibrium valve (3) is communicated with the rodless cavity of amplitude oil cylinder (2); Reduction valve (5) is communicated with the first working tubing of oil hydraulic motor (6), and reduction valve (5) is communicated with through the rod chamber of the first one-way valve (4) with amplitude oil cylinder (2).
Description
Technical field
The present invention relates to a kind of operating vehicle, particularly relate to a kind of automatic drill feed liquor pressure control system of operating vehicle.
Background technique
CN202594665U discloses a kind of Multifunction machineshop truck, the function having transport, lifting and hole.As shown in Figure 1, the realization of drilling function mainly contains drilling rod and drill bit, drives oil hydraulic motor 6, the push cylinder 13 of drilling rod and bit, amplitude oil cylinder 2 and connecting plate.The angle on the position of drilling rod, drilling rod and ground regulates to be determined by the push cylinder 13 on cantilever and the amplitude oil cylinder 2 of cantilever and the putting position of operating vehicle.And the pressure crept into determines primarily of amplitude oil cylinder 2.During at present this operating vehicle boring, control the lower brill of rig by the push cylinder in the amplitude oil cylinder 2 of manual operation cantilever and cantilever.When manual operation is bored under controlling drilling rod, inevitably bring following drawback:
When instantly boring excessive velocities, easily cause system overload, cause system energy loss, temperature is too high, damage equipment;
Instantly drilling speed is spent slowly, then efficiency of construction is low, and energy consumption increases;
Add the labor intensity of operator;
The intermittence that manual operation controls, also often brings the reduction of working efficiency, and unstability increases;
Drilling rod when rotated, when having operation amplitude oil cylinder 2 to pressurize, may cause the deficiency of flow system flow, make drilling rod reduce rotating speed.
Summary of the invention
Therefore, the object of the invention is to: a kind of hydraulic control system of automatically creeping into is provided, accurately can regulate lower the pressure of the drill power of operating vehicle in real time, improve the working life of work efficiency and operating vehicle.
In order to solve the problems of the technologies described above, the invention provides a kind of automatic drill feed liquor pressure control system, at least there is two position two-way valve; Amplitude oil cylinder; Equilibrium valve; First one-way valve; Reduction valve; Drive the oil hydraulic motor that drilling rod rotates; Oil hydraulic pump; First multi-way valve; Second multi-way valve; Described hydraulic pressure delivery side of pump is communicated with the filler opening of the second multi-way valve with described first multi-way valve; First actuator port of the first multi-way valve is communicated with the first actuator port of described oil hydraulic motor, and the second actuator port is communicated with the second actuator port of described oil hydraulic motor, and return opening is communicated with return tube; First actuator port of the second multi-way valve is communicated with the filler opening of two position two-way valve, and the second actuator port is communicated with the filler opening of equilibrium valve, and return opening is communicated with return tube; The actuator port of two position two-way valve is communicated with the rod chamber of described amplitude oil cylinder; The oil pipe that the actuator port of two position two-way valve is communicated with the rod chamber of described amplitude oil cylinder is communicated with the control port of described equilibrium valve, and the oil outlet of described equilibrium valve is communicated with the rodless cavity of described amplitude oil cylinder; The filler opening of described reduction valve is communicated with the oil inlet pipe of the first actuator port of described oil hydraulic motor, and the oil outlet of described reduction valve is communicated with through the rod chamber of the first one-way valve with described amplitude oil cylinder.
Scheme as a further improvement on the present invention: described automatic drill feed liquor pressure control system also has the second one-way valve; 3rd one-way valve, described hydraulic pressure delivery side of pump is communicated with the filler opening of described second one-way valve, the 3rd one-way valve; The oil outlet of the 3rd one-way valve is communicated with the filler opening of the first multi-way valve; The oil outlet of the second one-way valve is communicated with the filler opening of the second multi-way valve.
As preferred version of the present invention: the two position two-way valve of described automatic drill feed liquor pressure control system is solenoid valve, hydraulic control valve or manually operated valve.
As preferred version of the present invention: the reduction valve of described automatic drill feed liquor pressure control system is electric proportional pressure-reducing valve or manual proportional pressure-reducing valve.
As preferred version of the present invention: the oil hydraulic pump of described automatic drill feed liquor pressure control system is variable displacement pump or metering pump.
As preferred version of the present invention: the first multi-way valve of described automatic drill feed liquor pressure control system, the second multi-way valve are three six-way valves or two-position four-way valve.
Scheme as a further improvement on the present invention: described automatic drill feed liquor pressure control system, also has relief valve, and the filler opening of described relief valve and the outlet of oil hydraulic pump, oil outlet is communicated with return tube.
Scheme as a further improvement on the present invention: described automatic drill feed liquor pressure control system, described first multi-way valve; The drain charge hydraulic fluid port of the second multi-way valve is communicated with oil circuit with described hydraulic pressure delivery side of pump.
When not conflicting, above-mentioned improvement or preferred version can be implemented alone or in combination.
In order to solve the problems of the technologies described above, operating vehicle provided by the invention is the operating vehicle comprising above-described automatic drill feed liquor pressure control system.
Beneficial effect of the present invention: control operating vehicle by hydraulic control system and automatically creep into, makes drilling rod obtain constant lower the pressure of the drill power, improves work efficiency more than 30%, be conducive to energy-conservation, reduce the labor intensity of operator.
Accompanying drawing explanation
Accompanying drawing 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:
The wellbore part mechanical part structural representation of Tu1Shi operating vehicle;
Fig. 2 is the schematic diagram of automatic drill feed liquor pressure control system.
Embodiment
Below in conjunction with accompanying drawing, describe automatic drill feed liquor pressure control system of the present invention in detail and use the embodiment of operating vehicle of this control system.
Automatic drill feed liquor pressure control system as shown in Figure 2 implements illustration, and described automatic drill feed liquor pressure control system has solenoid valve 1; Amplitude oil cylinder 2; Equilibrium valve 3; First one-way valve 4; Electricity proportional pressure-reducing valve 5; Drive the oil hydraulic motor 6 that drilling rod rotates; Oil hydraulic pump 7; First multi-way valve 8; Second multi-way valve 9; Relief valve 10; Second one-way valve 11; 3rd one-way valve 12.
The outlet of described oil hydraulic pump 7 is communicated with the filler opening of described second one-way valve 11, the 3rd one-way valve 12; The oil outlet of the 3rd one-way valve 12 is communicated with the filler opening of the first multi-way valve 8; The oil outlet of the second one-way valve 11 is communicated with the filler opening of the second multi-way valve 9; First actuator port of the first multi-way valve 8 is communicated with the first actuator port of described oil hydraulic motor 6, and the second actuator port is communicated with the second actuator port of described oil hydraulic motor 6, and the return opening of the first multi-way valve 8 is communicated with return tube; First actuator port of the second multi-way valve 9 is communicated with the filler opening of solenoid valve 1, and the second actuator port is communicated with the filler opening of equilibrium valve 3, and the second multi-way valve 9 return opening is communicated with return tube; The actuator port of solenoid valve 1 is communicated with the rod chamber of described amplitude oil cylinder 2; The oil pipe that the actuator port of solenoid valve 1 is communicated with the rod chamber of amplitude oil cylinder 2 is communicated with the control port of described equilibrium valve 3, and the oil outlet of described equilibrium valve 3 is communicated with the rodless cavity of described amplitude oil cylinder 2; The oil pipe that filler opening and described oil hydraulic motor 6 first actuator port of described electric proportional pressure-reducing valve 5 are communicated with multi-way valve 8 is communicated with, and the oil outlet of described electric proportional pressure-reducing valve 5 is communicated with through the rod chamber of the first one-way valve 4 with described amplitude oil cylinder 2.The filler opening of described relief valve 10 and the outlet of oil hydraulic pump 7, oil outlet is communicated with return tube.The drain charge hydraulic fluid port of described first multi-way valve 8 and the drain charge hydraulic fluid port of the second multi-way valve 9 and the outlet of oil hydraulic pump 7, the drain charge hydraulic fluid port of the second multi-way valve 9 is also communicated with oil circuit.
It will be understood by those skilled in the art that described solenoid valve 1 can also be hydraulic control valve or manually operated valve; Described electric proportional pressure-reducing valve 5 can also be manual proportional pressure-reducing valve; Described first multi-way valve 8, second multi-way valve 9 can be three six-way valves or two-position four-way valves etc.
Below in conjunction with Fig. 1, Fig. 2, the working principle of automatic drill feed liquor pressure control system is described in detail:
When multi-way valve 8 action and the next electric time, the pressure oil of oil hydraulic pump 7 is by multi-way valve 8, and to the first actuator port of oil hydraulic motor 6, through the second actuator port of oil hydraulic motor 6, oil return after multi-way valve 8, promotes oil hydraulic motor 6 and do work.Meanwhile, multi-way valve 9 is failure to actuate at meta, solenoid valve 1 obtains electric, stop amplitude oil cylinder 2 rod chamber pressure oil oil sump tank, electric proportional pressure-reducing valve 5 obtains electric simultaneously, the rod chamber of amplitude oil cylinder 2 is entered with the pressure oil in oil hydraulic motor 6 first actuator port connecting pipeline, pressure oil enters into equilibrium valve 3 pilot control opening simultaneously, open equilibrium valve 3, the oil return of the rodless cavity of amplitude oil cylinder 2 gets back to fuel tank by equilibrium valve 3 and multi-way valve 9, thus realize pressing down of operating vehicle's cantilever, automatically bring downward pressure to drilling rod.The rodless cavity pressure oil of amplitude oil cylinder 2 just can only can get back to fuel tank by the settable orifice of equilibrium valve 3, therefore on oil circuit, sets up back pressure, overcomes load gravity, prevents operating vehicle's cantilever in load conditions due to speed runaway that Action of Gravity Field causes.
When multi-way valve 9 action and when being positioned at bottom, solenoid valve 1 dead electricity simultaneously, the pressure oil of oil hydraulic pump 7 enters in the rodless cavity of amplitude oil cylinder 2 through the second one-way valve 11, multi-way valve 9, equilibrium valve 3, the oil return of the rod chamber of amplitude oil cylinder 2 gets back to fuel tank by solenoid valve 1, multi-way valve 9, thus realizes the lifting of operating vehicle's cantilever.
When multi-way valve 8 and multi-way valve 9 are failure to actuate, the pressure oil of oil hydraulic pump 7 is back to fuel tank through multi-way valve 8 and multi-way valve 9 drain charge.
Obviously, the invention is not restricted to above preferred implementation, in the spirit that also can limit in the claims in the present invention and specification, carry out conversion and the improvement of various ways, can same technical problem be solved, and obtain the technique effect of expection, therefore not repeat.Those of ordinary skill in the art can from content disclosed by the invention directly or all schemes associated, as long as within the spirit limited in claim, also belong to protection scope of the present invention.
Claims (9)
1. an automatic drill feed liquor pressure control system, at least has two position two-way valve (1); Amplitude oil cylinder (2); Equilibrium valve (3); First one-way valve (4); Reduction valve (5); Drive the oil hydraulic motor (6) that drilling rod rotates; Oil hydraulic pump (7); First multi-way valve (8); Second multi-way valve (9); It is characterized in that: the outlet of described oil hydraulic pump (7) is communicated with the filler opening of the second multi-way valve (9) with described first multi-way valve (8); First actuator port of the first multi-way valve (8) is communicated with the first actuator port of described oil hydraulic motor (6), and the second actuator port is communicated with the second actuator port of described oil hydraulic motor (6), and the return opening of the first multi-way valve (8) is communicated with return tube; First actuator port of the second multi-way valve (9) is communicated with the filler opening of two position two-way valve (1), and the second actuator port is communicated with the filler opening of equilibrium valve (3), and the return opening of the second multi-way valve (9) is communicated with return tube; The actuator port of two position two-way valve (1) is communicated with the rod chamber of described amplitude oil cylinder (2); The oil pipe that the actuator port of two position two-way valve (1) is communicated with the rod chamber of described amplitude oil cylinder (2) is communicated with the control port of described equilibrium valve (3), and the oil outlet of described equilibrium valve (3) is communicated with the rodless cavity of described amplitude oil cylinder (2); The filler opening of described reduction valve (5) is communicated with the oil inlet pipe of the first actuator port of described oil hydraulic motor (6), and the oil outlet of described reduction valve (5) is communicated with through the rod chamber of the first one-way valve (4) with described amplitude oil cylinder (2).
2. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: also have the second one-way valve (11); 3rd one-way valve (12), the outlet of described oil hydraulic pump (7) is communicated with the filler opening of described second one-way valve (11), the 3rd one-way valve (12); The oil outlet of the 3rd one-way valve (12) is communicated with the filler opening of the first multi-way valve (8); The oil outlet of the second one-way valve (11) is communicated with the filler opening of the second multi-way valve (9).
3. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: described two position two-way valve (1) is solenoid valve, hydraulic control valve or manually operated valve.
4. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: described reduction valve (5) is electric proportional pressure-reducing valve or manual proportional pressure-reducing valve.
5. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: described oil hydraulic pump (7) is variable displacement pump or metering pump.
6. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: described first multi-way valve (8), the second multi-way valve (9) are three six-way valves or two-position four-way valve.
7. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: also have relief valve (10), and the filler opening of described relief valve (10) and the outlet of oil hydraulic pump (7), oil outlet is communicated with return tube.
8. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: the drain charge hydraulic fluid port of described first multi-way valve (8), the second multi-way valve (9) is all communicated with return tube with the outlet of described oil hydraulic pump (7).
9. an operating vehicle, is characterized in that, this operating vehicle comprises the automatic drill feed liquor pressure control system described in any one of claim 1 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410034176.9A CN103758802B (en) | 2014-01-24 | 2014-01-24 | Automatic drill feed liquor pressure control system and operating vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410034176.9A CN103758802B (en) | 2014-01-24 | 2014-01-24 | Automatic drill feed liquor pressure control system and operating vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103758802A CN103758802A (en) | 2014-04-30 |
| CN103758802B true CN103758802B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410034176.9A Expired - Fee Related CN103758802B (en) | 2014-01-24 | 2014-01-24 | Automatic drill feed liquor pressure control system and operating vehicle |
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| Country | Link |
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| CN (1) | CN103758802B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101859A (en) * | 2019-11-08 | 2020-05-05 | 四川诺克钻探机械有限公司 | Drilling pressure adjusting method of coring drilling machine for railway engineering exploration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0384888A1 (en) * | 1989-02-23 | 1990-08-29 | SIG Schweizerische Industrie-Gesellschaft | Drilling device |
| CN201391225Y (en) * | 2009-04-10 | 2010-01-27 | 赵建宇 | Anchoring drill based on double-pump complementary automatic interflowing working mode |
| CN102996069A (en) * | 2012-11-26 | 2013-03-27 | 天津市九方煤矿机械制造有限公司 | Hydraulic oil channel system for jumbolter |
| CN203702704U (en) * | 2014-01-24 | 2014-07-09 | 长沙金阳机械设备科技开发有限公司 | Automatic drilling hydraulic control system and work vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI115552B (en) * | 2002-11-05 | 2005-05-31 | Sandvik Tamrock Oy | Arrangement for controlling rock drilling |
-
2014
- 2014-01-24 CN CN201410034176.9A patent/CN103758802B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0384888A1 (en) * | 1989-02-23 | 1990-08-29 | SIG Schweizerische Industrie-Gesellschaft | Drilling device |
| CN201391225Y (en) * | 2009-04-10 | 2010-01-27 | 赵建宇 | Anchoring drill based on double-pump complementary automatic interflowing working mode |
| CN102996069A (en) * | 2012-11-26 | 2013-03-27 | 天津市九方煤矿机械制造有限公司 | Hydraulic oil channel system for jumbolter |
| CN203702704U (en) * | 2014-01-24 | 2014-07-09 | 长沙金阳机械设备科技开发有限公司 | Automatic drilling hydraulic control system and work vehicle |
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| CN103758802A (en) | 2014-04-30 |
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