CN207421000U - A kind of mountainous region modularization drilling machine is fed hydraulic control system - Google Patents
A kind of mountainous region modularization drilling machine is fed hydraulic control system Download PDFInfo
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- CN207421000U CN207421000U CN201721543208.3U CN201721543208U CN207421000U CN 207421000 U CN207421000 U CN 207421000U CN 201721543208 U CN201721543208 U CN 201721543208U CN 207421000 U CN207421000 U CN 207421000U
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- control valve
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- directional control
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Abstract
The utility model discloses a kind of mountainous region modularization drilling machines to be fed hydraulic control system, belongs to mining coal seams production technique field.Including main pump group, auxiliary pump, feeding system oil cylinder, fuel tank, multiple directional control valve and bit pressure control valve group etc., the utility model adapts to the drilling requirement under different operating modes, and feeding system oil cylinder is fed at a slow speed, and bit pressure is adjustable under normal drilling and hole flushing operating mode；Move back brill, sky send drilling rod and power head position adjustment etc. is under operating modes, fast advance and retreat.It is fed hydraulic control system and considers energy-saving design, design differential circuit, in lifting process, epicoele hydraulic oil supply cavity of resorption reduces oil pump feed amount, reaches energy saving；It depressurizes in drilling process, for lowering velocity instability problem, speed control valve block of the design with flow feedback type realizes speed stabilizing drilling.
Description
Technical field
The utility model belongs to mining coal seams production technique field, more particularly to a kind of mountainous region modularization drilling machine feed liquid
Pressure control system.
Background technology
Mountainous region modularization drilling machine is a kind of multi-functional comprehensive drilling equipment, is mainly used for coal bed gas ground in China's coal-mine
The drilling of recovery well, can be used for hydrological well drilling, and application prospect is boundless.Mountainous region modularization drilling machine includes host
Frame, mast, power head, operation console etc..
Existing ground mountainous region modularization drilling machine, feed hydraulic control system energy consumption is big, and stability is poor, there are some not
Foot.
Such as it is existing feed hydraulic control system energy consumption in lifting process it is big, decompression drilling in system pressure it is unstable,
Hole quality is poor.
Therefore hydraulic control system need to be fed to mountainous region modularization drilling machine to be improved, to improve drilling efficiency and pore-forming matter
Amount.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of mountainous region modularization drilling machine feed hydraulic control system, with
Energy consumption is preferably reduced, enhances drilling machine whole system stability, improves drilling efficiency and hole quality.
In order to achieve the above objectives, the utility model provides following technical solution：
A kind of mountainous region modularization drilling machine is fed hydraulic control system, including main pump group 1, auxiliary pump 2,7 and of feeding system oil cylinder
Fuel tank 8 further includes the first multiple directional control valve 3, the second multiple directional control valve 4, the 3rd multiple directional control valve 5 and bit pressure control valve group 6；
The oil outlet end of the main pump group 1 is divided into two-way, wherein being connected to the main oil inlet of first multiple directional control valve 3 all the way
Mouthful, another way is connected to the main oil inlet of second multiple directional control valve 4, the work oil inlet of first multiple directional control valve 3
The cavity of resorption of the feeding system oil cylinder 7 is connected to after being connected with each other with the work oil inlet of second multiple directional control valve 4；
The oil outlet end of the auxiliary pump 2 is connected to the main oil inlet of the 3rd multiple directional control valve 5, the 3rd multi-way reversing
The work oil inlet of valve 5 is connected to the oil inlet end of the bit pressure control valve group 6, the oil outlet end connection of the bit pressure control valve group 6
To the cavity of resorption of the feeding system oil cylinder 7；
The epicoele of the feeding system oil cylinder 7 is respectively connected to first multiple directional control valve 3, the second multiple directional control valve 4
With the work oil return opening of the 3rd multiple directional control valve 5；
The main oil return opening of first multiple directional control valve 3, the second multiple directional control valve 4 and the 3rd multiple directional control valve 5 is connected to
The fuel tank 8.
Further, the bit pressure control valve group 6 includes check valve I 61, check valve II 62, overflow valve I 63, hand-operated direction valve
64 and overflow valve II 65；
The import of the check valve I 61 is arranged on the oil inlet end of the bit pressure control valve group 6, and outlet is arranged on the bit pressure
The oil outlet end of control valve group 6, the oil outlet end of be connected with the epicoele of the feeding system oil cylinder 7 pipeline and the check valve 161 it
Between be disposed with hand-operated direction valve 64 and overflow valve II 65；
It is connected with the epicoele of the feeding system oil cylinder 7 between pipeline and the oil inlet end of the bit pressure control valve group 6 successively
Overflow valve I 63 and check valve II 62 are provided with, the outlet of the check valve II 62 is connected with the import of the check valve I 61, institute
The import for stating check valve II 62 is connected with the 3rd end of the hand-operated direction valve 64.
Further, the main pump group 1 is self-priming oil type d-axis oblique tray type plunger pump group, and auxiliary pump 2 is radial plunger pump.
Further, the Median Function of 3 and second multiple directional control valve 4 of the first multiple directional control valve is 0 type, and first is equal
Include the overflow valve with feedback；
Second Median Function of the 3rd multiple directional control valve 5 is Y types, and includes the overflow valve with feedback, institute
State the 3rd multiple directional control valve 5 first, the 3rd, the Median Function of tetrad be 0 type.
Further, the hand-operated direction valve 64 is plug-in button-type hand-operated direction valve, and overflow valve II 65 is plug-in band
The overflow valve of feedback.
The beneficial effects of the utility model are：
1. the utility model by first commutation multi-way valve, second commutation multi-way valve, the 3rd tunnel commutate multi-way valve it is controllable
Feeding system oil cylinder processed promotes go into the well speed and lifting force, meets different drilling process.
2. the utility model is mended by adjusting bit pressure control valve group reversal valve and overflow valve, the oil return of feeding system oil cylinder cavity of resorption
Epicoele oil inlet is repaid, speed stabilizing decompression drilling saves energy consumption, improves drilling efficiency and hole quality.
Description of the drawings
In order to make the purpose of this utility model, technical solution and advantageous effect clearer, the utility model provides as follows
Attached drawing illustrates：
Fig. 1 is the utility model principle figure；
Fig. 2 is bit pressure control valve group schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
As shown in Figure 1, 2, this example coal bed gas ground drilling feed hydraulic control system, including main pump group 1, auxiliary pump 2, gives
Into system oil cylinder 7 and fuel tank 8, it is characterised in that further include the first multiple directional control valve 3, the second multiple directional control valve 4, the 3rd multichannel and change
To valve 5 and bit pressure control valve group 6.
Main pump group 1 goes out oil two-way, and the first via is connected through the first multiple directional control valve 3 with feed hydraulic system oil cylinder 7, and second
The second multiple directional control valve of road 4 is connected with feed hydraulic cylinder 7.
2 vent line of auxiliary pump is connected through No. threeth multiple directional control valve 5 with bit pressure control valve group 6 and feeding system oil cylinder 7.
Main pump group 1 is self-priming oil type d-axis oblique tray type plunger pump group, and auxiliary pump 2 is radial plunger pump.
The utility model can be set more by the first multiple directional control valve 3, the second multiple directional control valve 4, the 3rd multiple directional control valve 5
Grade feeding system flow, by adjusting bit pressure control valve, being suitable for the drilling of different operating modes and promoting speed.Big stream can be achieved
Amount quickly propels promotion and speed stabilizing decompression drilling, strengthens drilling machine function, effectively improves drilling efficiency and hole quality.
As the improvement to this example, 1 oil outlet A1 of main pump group is connected with the P mouths of the first multiple directional control valve 3, the first multichannel
3 oil outlet B1 of reversal valve is connected with 7 cavity of resorption of feeding system oil cylinder；First commutation 3 oil outlet B2 of multi-way valve and feeding system oil cylinder 7
Epicoele connects, and the oil return inlet T of the first multiple directional control valve is connected with fuel tank 8.
1 oil outlet A2 of main pump group is connected with the P mouths of the second multiple directional control valve 4,4 oil outlet C1 of the second multiple directional control valve difference
It is connected with the a1 mouths of 7 cavity of resorption of feeding system oil cylinder and drilling control valve group 6；Second multiple directional control valve, 4 oil outlet C2 and feed system
7 epicoele of oil cylinder of uniting connects, and 4 oil return inlet T of the second multiple directional control valve is connected with fuel tank 8.
2 oil outlet of auxiliary pump is connected with 5 oil inlet P of the 3rd multiple directional control valve；3rd multiple directional control valve, 5 oil outlet D1 and bit pressure
The connection of a2 mouthfuls of control valve group, 5 oil outlet D2 of the 3rd multiple directional control valve respectively with a3 mouthfuls, a4 mouthfuls of bit pressure control valve group and feeding system
7 epicoele of oil cylinder connects；3rd multiple directional control valve, 5 oil return inlet T is connected with fuel tank.
Further, the first multiple directional control valve, the second multiple directional control valve Median Function are O-shaped function, wherein first associated has
The overflow valve of feedback；3rd the second Median Function of multiple directional control valve is y-function, the overflow valve with feedback, first, the
3rd, tetrad Median Function is O-shaped function.
As the improvement of this example, the bit pressure control valve block 6 of mountainous region modularization drilling machine feed hydraulic control system includes list
To valve 61, check valve 62, overflow valve 63, hand-operated direction valve 64 and overflow valve 65.
As the improvement of this example, hand-operated direction valve 64 is plug-in button-type hand-operated direction valve, and overflow valve 65 is inserting
The overflow valve of formula band feedback.
Finally illustrating, preferred embodiment above is only to illustrate the technical solution of utility model and unrestricted, although
The utility model has been described in detail by above preferred embodiment, however, those skilled in the art should understand that,
Various changes can be made to it in the form and details, are limited without departing from the utility model claims book
Scope.
Claims (5)
1. a kind of mountainous region modularization drilling machine is fed hydraulic control system, including main pump group (1), auxiliary pump (2), feeding system oil cylinder
(7) and fuel tank (8), it is characterised in that：The first multiple directional control valve (3), the second multiple directional control valve (4), the 3rd multichannel is further included to change
To valve (5) and bit pressure control valve group (6)；
The oil outlet end of the main pump group (1) is divided into two-way, wherein being connected to the main oil inlet of first multiple directional control valve (3) all the way
Mouthful, another way is connected to the main oil inlet of second multiple directional control valve (4), the work of first multiple directional control valve (3) into
Hydraulic fluid port and the work oil inlet of second multiple directional control valve (4) are connected to the feeding system oil cylinder (7) after being connected with each other
Cavity of resorption；
The oil outlet end of the auxiliary pump (2) is connected to the main oil inlet of the 3rd multiple directional control valve (5), the 3rd multi-way reversing
The work oil inlet of valve (5) is connected to the oil inlet end of the bit pressure control valve group (6), the bit pressure control valve group (6) it is fuel-displaced
End is connected to the cavity of resorption of the feeding system oil cylinder (7)；
The epicoele of the feeding system oil cylinder (7) is respectively connected to first multiple directional control valve (3), the second multiple directional control valve
(4) and the work oil return opening of the 3rd multiple directional control valve (5)；
First multiple directional control valve (3), the second multiple directional control valve (4) are connected with the main oil return opening of the 3rd multiple directional control valve (5)
To the fuel tank (8).
2. a kind of mountainous region modularization drilling machine feed hydraulic control system according to claim 1, it is characterised in that：The brill
Pressure control valve group (6) includes check valve I (61), check valve II (62), overflow valve I (63), hand-operated direction valve (64) and overflow valve
Ⅱ(65)；
The import of the check valve I (61) is arranged on the oil inlet end of the bit pressure control valve group (6), and outlet is arranged on the bit pressure
The oil outlet end of control valve group (6), be connected with the epicoele of the feeding system oil cylinder (7) pipeline and the check valve I (61) go out
Hand-operated direction valve (64) and overflow valve II (65) are disposed between oily end；
It is connected with the epicoele of the feeding system oil cylinder (7) between pipeline and the oil inlet end of the bit pressure control valve group (6) successively
It is provided with overflow valve I (63) and check valve II (62), the outlet of the check valve II (62) and the import of the check valve I (61)
It is connected, the import of the check valve II (62) is connected with the 3rd end of the hand-operated direction valve (64).
3. a kind of mountainous region modularization drilling machine feed hydraulic control system according to claim 1, it is characterised in that：The master
Pump group (1) is self-priming oil type d-axis oblique tray type plunger pump group, and auxiliary pump (2) is radial plunger pump.
4. a kind of mountainous region modularization drilling machine feed hydraulic control system according to claim 1, it is characterised in that：Described
The Median Function of one multiple directional control valve (3) and the second multiple directional control valve (4) is 0 type, and first includes overflowing with feedback
Flow valve；
Second Median Function of the 3rd multiple directional control valve (5) is Y types, and comprising the overflow valve with feedback, it is described
3rd multiple directional control valve (5) first, the 3rd, the Median Function of tetrad be 0 type.
5. a kind of mountainous region modularization drilling machine feed hydraulic control system according to claim 2, it is characterised in that：The hand
Dynamic reversal valve (64) is plug-in button-type hand-operated direction valve, and overflow valve II (65) is the overflow valve of plug-in band feedback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721543208.3U CN207421000U (en) | 2017-11-17 | 2017-11-17 | A kind of mountainous region modularization drilling machine is fed hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721543208.3U CN207421000U (en) | 2017-11-17 | 2017-11-17 | A kind of mountainous region modularization drilling machine is fed hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421000U true CN207421000U (en) | 2018-05-29 |
Family
ID=62302627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721543208.3U Active CN207421000U (en) | 2017-11-17 | 2017-11-17 | A kind of mountainous region modularization drilling machine is fed hydraulic control system |
Country Status (1)
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|---|---|
| CN (1) | CN207421000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740789A (en) * | 2017-11-17 | 2018-02-27 | 中煤科工集团重庆研究院有限公司 | A kind of mountain region modularization rig is fed hydraulic control system |
-
2017
- 2017-11-17 CN CN201721543208.3U patent/CN207421000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740789A (en) * | 2017-11-17 | 2018-02-27 | 中煤科工集团重庆研究院有限公司 | A kind of mountain region modularization rig is fed hydraulic control system |
| CN107740789B (en) * | 2017-11-17 | 2023-10-24 | 中煤科工集团重庆研究院有限公司 | Mountain modeling drilling machine feeding hydraulic control system |
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