CN203702704U - Automatic drilling hydraulic control system and work vehicle - Google Patents
Automatic drilling hydraulic control system and work vehicle Download PDFInfo
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- CN203702704U CN203702704U CN201420045791.5U CN201420045791U CN203702704U CN 203702704 U CN203702704 U CN 203702704U CN 201420045791 U CN201420045791 U CN 201420045791U CN 203702704 U CN203702704 U CN 203702704U
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- way valve
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- oil
- control system
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Abstract
Provided are an automatic drilling hydraulic control system and a work vehicle. The automatic drilling hydraulic control system comprises a two-position two-way valve (1), a variable-amplitude oil cylinder (2), a balance valve (3), a first one-way valve (4), a reducing valve (5), a hydraulic motor (6), a first multi-way valve (8), a second multi-way valve (9) and a hydraulic pump (7) communicated with the first multi-way valve (8) and the second multi-way valve (9); the first multi-way valve (8) is communicated with the hydraulic motor (6), and an oil return port is communicated with an oil return pipe; the first work oil port of the second multi-way valve (9) is communicated with the two-position two-way valve (1), and the second work oil port of the second multi-way valve is communicated with the balance valve (3); the two-position two-way valve (1) is communicated with a rod cavity of the variable-amplitude oil cylinder (2) and the control oil port of the balance valve (3); the oil outlet of the balance valve (3) is communicated with a rodless cavity of the variable-amplitude oil cylinder (2); the reducing valve (5) is communicated with a first work oil pipe of the hydraulic motor (6), and the reducing valve (5) is communicated with the rod cavity of the variable-amplitude oil cylinder (2) through the first one-way valve (4).
Description
Technical field
The utility model relates to a kind of operating vehicle, relates in particular to a kind of automatic drill feed liquor pressure control system of operating vehicle; Also relate to a kind of operating vehicle.
Background technique
CN202594665U discloses a kind of Multifunction machineshop truck, has the function of transport, lifting and boring.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 position, drilling rod and the ground of drilling rod regulates to be determined by the amplitude oil cylinder 2 of the push cylinder 13 on cantilever and cantilever and the putting position of operating vehicle.And the pressure creeping into is mainly determined by amplitude oil cylinder 2.When this operating vehicle holes at present, control the lower brill of rig by the push cylinder on amplitude oil cylinder 2 and the cantilever of manual operation cantilever.While boring under manual operation control drilling rod, inevitably bring following drawback:
Instantly while boring excessive velocities, easily cause system overload, cause system energy loss, excess Temperature, damage equipment;
Instantly drilling speed is spent slowly, and efficiency of construction is low, and energy consumption increases;
Increase operator's labor intensity;
The intermittence of manual operation control, the reduction that also tends to bring working efficiency, unstability increases;
Drilling rod when rotated, while having operation amplitude oil cylinder 2 to pressurize, may cause the deficiency of flow system flow, makes drilling rod reduce rotating speed.
Model utility content
Therefore, the purpose of this utility model is: a kind of hydraulic control system of automatically creeping into is provided, can accurately regulates in real time lower the pressure of the drill power of operating vehicle, improve the working life of work efficiency and operating vehicle.
In order to solve the problems of the technologies described above, the utility model provides a kind of automatic drill feed liquor pressure control system, at least has two position two-way valve; Amplitude oil cylinder; Equilibrium valve; The first one-way valve; Reduction valve; Drive the oil hydraulic motor of drilling rod rotation; Oil hydraulic pump; The first multi-way valve; The second multi-way valve; Described hydraulic pressure delivery side of pump is communicated with the filler opening of described the first multi-way valve and the second multi-way valve; The 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; The 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 the rod chamber of described amplitude oil cylinder through the first one-way valve.
As further improvement of the utility model scheme: described automatic drill feed liquor pressure control system also has the second one-way valve; The 3rd one-way valve, described hydraulic pressure delivery side of pump is communicated with the filler opening of described the 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 utility model: 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 utility model: 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 utility model: 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 utility model: 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.
As further improvement of the utility model scheme: described automatic drill feed liquor pressure control system, also there is relief valve, the filler opening of described relief valve is communicated with hydraulic pressure delivery side of pump, and oil outlet is communicated with return tube.
As further improvement of the utility model scheme: described automatic drill feed liquor pressure control system, described the first multi-way valve; The drain charge hydraulic fluid port of the second multi-way valve is communicated with described hydraulic pressure delivery side of pump and oil circuit.
In the situation that 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, the operating vehicle that the utility model provides is the operating vehicle that comprises above-described automatic drill feed liquor pressure control system.
The beneficial effects of the utility model: operating vehicle creeps into automatically by hydraulic control system control, make drilling rod obtain constant lower the pressure of the drill power, improve work efficiency more than 30%, are conducive to energy-conservationly, reduce operator's labor intensity.
Brief description of the drawings
Accompanying drawing is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.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 the utility model automatic drill feed liquor pressure control system in detail and use the embodiment of the operating vehicle of this control system.
Automatic drill feed liquor pressure control system is as shown in Figure 2 implemented illustration, and described automatic drill feed liquor pressure control system has solenoid valve 1; Amplitude oil cylinder 2; Equilibrium valve 3; The first one-way valve 4; Electricity proportional pressure-reducing valve 5; Drive the oil hydraulic motor 6 of drilling rod rotation; Oil hydraulic pump 7; The first multi-way valve 8; The second multi-way valve 9; Relief valve 10; The second one-way valve 11; The 3rd one-way valve 12.
The outlet of described oil hydraulic pump 7 is communicated with the filler opening of described the 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; The 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; The 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 openings are 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 the filler opening of described electric proportional pressure-reducing valve 5 is communicated with multi-way valve 8 with described oil hydraulic motor 6 first actuator ports is communicated with, and the oil outlet of described electric proportional pressure-reducing valve 5 is communicated with the rod chamber of described amplitude oil cylinder 2 through the first one-way valve 4.The filler opening of described relief valve 10 is communicated with the outlet of oil hydraulic pump 7, and oil outlet is communicated with return tube.The drain charge hydraulic fluid port of the drain charge hydraulic fluid port of described the first multi-way valve 8 and 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 the first multi-way valve 8, the second multi-way valve 9 can be three six-way valves or two-position four-way valve etc.
Below in conjunction with Fig. 1, Fig. 2, the working principle of automatic drill feed liquor pressure control system is elaborated:
When multi-way valve 8 moves and the next when electric, 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, the rear oil return of 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 tanks, simultaneously electric proportional pressure-reducing valve 5 obtains electric, enter the rod chamber of amplitude oil cylinder 2 with the pressure oil in oil hydraulic motor 6 first actuator port connecting pipelines, 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 is got back to fuel tank by equilibrium valve 3 and multi-way valve 9, thereby 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 can only just can be got back to fuel tank by the settable orifice of equilibrium valve 3, therefore on oil circuit, sets up back pressure, overcomes load gravity, prevent operating vehicle's cantilever under loading condition because the speed that Action of Gravity Field causes is out of control.
When multi-way valve 9 moves and is positioned at when the next, 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 is got back to fuel tank by solenoid valve 1, multi-way valve 9, thereby realizes the lifting of operating vehicle's cantilever.
In the time that 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 charges.
Obviously, the utility model is not limited to above preferred implementation, also can be in the spirit of the utility model claim and specification restriction, carry out conversion and the improvement of various ways, can solve same technical problem, and obtain the technique effect of expection, therefore do not repeat.Those of ordinary skill in the art can be from the disclosed content of the utility model directly or all schemes of associating, as long as within the spirit limiting in claim, also belong to protection domain of the present utility model.
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); The first one-way valve (4); Reduction valve (5); Drive the oil hydraulic motor (6) of drilling rod rotation; Oil hydraulic pump (7); The first multi-way valve (8); The 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 described the first multi-way valve (8) and the second multi-way valve (9); The 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 return opening is communicated with return tube; The 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 return opening 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 the rod chamber of described amplitude oil cylinder (2) through the first one-way valve (4).
2. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: also have the second one-way valve (11); The 3rd one-way valve (12), the outlet of described oil hydraulic pump (7) is communicated with the filler opening of described the 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 the 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), the filler opening of described relief valve (10) is communicated with the outlet of oil hydraulic pump (7), and oil outlet is communicated with return tube.
8. automatic drill feed liquor pressure control system according to claim 1, is characterized in that: described the first multi-way valve (8); The drain charge hydraulic fluid port of the second multi-way valve (9) is communicated with outlet and the oil circuit 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 claim 1～8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045791.5U CN203702704U (en) | 2014-01-24 | 2014-01-24 | Automatic drilling hydraulic control system and work vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045791.5U CN203702704U (en) | 2014-01-24 | 2014-01-24 | Automatic drilling hydraulic control system and work vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702704U true CN203702704U (en) | 2014-07-09 |
Family
ID=51053155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420045791.5U Withdrawn - After Issue CN203702704U (en) | 2014-01-24 | 2014-01-24 | Automatic drilling hydraulic control system and work vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758802A (en) * | 2014-01-24 | 2014-04-30 | 长沙金阳机械设备科技开发有限公司 | Automatic drilling hydraulic control system and work vehicle |
-
2014
- 2014-01-24 CN CN201420045791.5U patent/CN203702704U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758802A (en) * | 2014-01-24 | 2014-04-30 | 长沙金阳机械设备科技开发有限公司 | Automatic drilling hydraulic control system and work vehicle |
| CN103758802B (en) * | 2014-01-24 | 2016-01-13 | 长沙金阳机械设备科技开发有限公司 | Automatic drill feed liquor pressure control system and operating vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |