CN211777941U - Mud pump hydraulic control system - Google Patents
Mud pump hydraulic control system Download PDFInfo
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- CN211777941U CN211777941U CN201921991894.XU CN201921991894U CN211777941U CN 211777941 U CN211777941 U CN 211777941U CN 201921991894 U CN201921991894 U CN 201921991894U CN 211777941 U CN211777941 U CN 211777941U
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Abstract
The utility model relates to a mud pump hydraulic control system, which comprises a diesel engine, a hydraulic plunger pump, a control valve block and a hydraulic plunger motor; the hydraulic plunger pump comprises a first inlet end, a second inlet end, a first outlet end and a second outlet end, wherein the first inlet end is connected with the output end of the diesel engine, the second inlet end is connected with a hydraulic oil tank, the first outlet end is connected with the control valve block, and the second outlet end is connected with the inlet end of the pipeline high-pressure filter; the control valve block is connected with the hydraulic plunger motor; the hydraulic plunger motor is connected with the hydraulic oil tank through a clearing and separating pipeline. Control system adopt diesel engine drive hydraulic pressure plunger pump, hydraulic pressure plunger pump drive hydraulic motor, hydraulic motor drive slush pump adopts PLC control system for mud flow stepless speed regulation has solved among the prior art inconvenient and the big problem of slush pump work to the fuel demand.
Description
Technical Field
The utility model relates to a slush pump hydraulic control field especially relates to a slush pump hydraulic control system.
Background
A mud pump is a machine for delivering a washing fluid such as mud or water into a borehole during drilling, and is an important component of a drilling apparatus. In conventional forward circulation drilling, the mud pump directly conveys a surface flushing medium, such as clear water, mud or polymer flushing fluid, to the bottom end of the drill bit through a high-pressure hose, a water tap and a central hole of a drill string under a certain pressure so as to achieve the purposes of cooling the drill bit, removing cut rock debris and conveying the rock debris to the surface.
The conventional slurry pump is of a piston type or a plunger type, a power machine drives a crankshaft of the pump to rotate, and the crankshaft drives the piston or the plunger to reciprocate in a pump cylinder through a crosshead. The purpose of pressure feeding and flushing liquid circulating is realized under the alternate action of the suction valve and the discharge valve.
The conventional large-scale mud pump works by using a diesel engine to drive the mud pump, and is composed of a diesel engine 12, a universal joint 13 and a mud pump 14 as shown in figure 1. The diesel engine 12 directly drives the mud pump 14 via the universal joint 13, and the mud pressure is directly determined by the power of the diesel engine 12. If the diesel engine requires significant power, this can result in significant fuel costs, and the amount of mud flow can only be adjusted by manually shifting the mud pump 14 or changing the speed of the diesel engine 12.
Therefore, it is necessary to provide a new technical solution to solve the problems of the prior art that the operation of the slurry pump consumes much fuel and the adjustment of the slurry flow rate is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, provide a slush pump hydraulic control system for the slush pump, concrete technical scheme is as follows:
a hydraulic control system of a slurry pump comprises a diesel engine, a hydraulic plunger pump, a control valve block and a hydraulic plunger motor;
furthermore, the hydraulic plunger pump comprises a first inlet end, a second inlet end, a first outlet end and a second outlet end, wherein the first inlet end is connected with the output end of the diesel engine, the second inlet end is connected with a hydraulic oil tank, the first outlet end is connected with the control valve block, and the second outlet end is connected with the inlet end of the pipeline high-pressure filter;
further, the control valve block is connected with the hydraulic plunger motor;
furthermore, the hydraulic plunger motor is connected with a hydraulic oil tank through a clearing and separating pipeline.
In the above technical solution, the hydraulic control system further comprises two hydraulic plunger motors arranged in parallel;
further, the hydraulic ram motor has an inlet end;
further, the hydraulic plunger motor is internally provided with a flow control valve, and the flow control valve is provided with an inlet, a first outlet and a second outlet.
Further in the above technical solution, the control valve block includes an input end, a first output end, a second output end, a third output end, and a fourth output end;
further, the input end is connected with a first outlet end of the hydraulic plunger pump;
further, the first output end and the second output end are respectively connected with inlets of flow control valves in the two hydraulic plunger motors arranged in parallel;
furthermore, the third output end is respectively connected with the first outlets of the flow control valves in the two hydraulic plunger motors which are arranged in parallel;
further, the inlet end of the pipeline high-pressure filter and the inlet end of the hydraulic plunger motor are respectively connected with the fourth output end.
Further in the above technical solution, the second outlets of the flow control valves in the two hydraulic plunger motors arranged in parallel are respectively connected to a hydraulic oil tank.
Further, in the above technical solution, the first outlets of the flow control valves in the two hydraulic plunger motors arranged in parallel are connected to the inlet of the cleaning and separating pipeline.
Further in the above technical solution, the cleaning and separating pipeline includes two filtering devices connected in series.
Further in the above technical solution, the line high pressure filter has an outlet end;
furthermore, the outlet end of the pipeline high-pressure filter is connected with a hydraulic oil tank through a gear pump.
Further in the above technical scheme, the outlet end of the pipeline high-pressure filter is connected with the overflow oil tank through an overflow valve.
The utility model discloses following beneficial effect has:
1. the control system of the utility model adopts the diesel engine to drive the hydraulic plunger pump, the hydraulic plunger pump drives the hydraulic motor, the hydraulic motor drives the slurry pump, and the PLC control system is adopted, compared with the prior art, the slurry flow can be regulated in a stepless way;
2. the utility model can control the power of the diesel engine only by meeting the normal work of the hydraulic system, thereby reducing the fuel cost in the working of the slurry pump and reducing the environmental pollution;
3. control system makes the stepless speed regulation of mud flow can reduce unnecessary extravagant in the work progress.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a state of the art in which a diesel engine is used to drive a slurry pump;
fig. 2 is a schematic diagram of the control system of the present invention.
Wherein: 1-clearing a separation pipeline; 2-a flow control valve; 21-an inlet; 22-a first outlet; 23-a second outlet; 3-an overflow oil tank; 4-a diesel engine; 5-a hydraulic oil tank; 6-hydraulic plunger pump; 61-a first inlet end; 62-a second inlet end; 63-a first outlet end; 64-a second outlet end; 7-control valve block; 71-input terminal; 72-first output; 73-a second output; 74-a third output; 75-a fourth output; 8-hydraulic ram motor; 81-inlet end; 9-pipeline high pressure filter; 91-an outlet end; 10-gear pump; 11-an overflow valve; 12-a diesel engine; 13-a universal joint; 14-mud pump.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
The conventional large-scale slurry pump has great demand on fuel during working, and the slurry flow is inconvenient to adjust. Therefore, the utility model provides a mud pump hydraulic control system solves above-mentioned problem.
FIG. 1 is a schematic diagram of a state of the art in which a diesel engine is used to drive a slurry pump; fig. 2 is a schematic diagram of the control system of the present invention.
Referring to fig. 2, the hydraulic control system of the slurry pump provided in this embodiment includes a diesel engine 4, a hydraulic plunger pump 6, a control valve block 7, and a hydraulic plunger motor 8;
the hydraulic plunger pump 6 comprises a first inlet end 61, a second inlet end 62, a first outlet end 63 and a second outlet end 64, wherein the first inlet end 61 is connected with the output end of the diesel engine 4, the second inlet end 62 is connected with the hydraulic oil tank 5, the first outlet end 63 is connected with the control valve block 7, and the second outlet end 64 is connected with the inlet end of the pipeline high-pressure filter 9;
the control valve block 7 is connected with the hydraulic plunger motor 8;
the hydraulic plunger motor 8 is connected with the hydraulic oil tank 5 through the cleaning and separating pipeline 1.
In the above technical solution, the hydraulic plunger pump further comprises two hydraulic plunger motors 8 arranged in parallel;
the hydraulic ram motor 8 has an inlet end 81;
the hydraulic plunger motor 8 has a flow control valve 2 therein, and the flow control valve 2 has an inlet 21, a first outlet 22, and a second outlet 23.
Further, the control valve block 7 includes an input 71, a first output 72, a second output 73, a third output 74 and a fourth output 75;
the input end 71 is connected to the first outlet end 63 of the hydraulic plunger pump 6;
the first output end 72 and the second output end 73 are respectively connected with the inlets 21 of the flow control valves 2 in the two hydraulic plunger motors 8 arranged in parallel;
the third output ends 74 are respectively connected with the first outlets 22 of the flow control valves 2 in the two hydraulic plunger motors 8 arranged in parallel;
the inlet end of the pipeline high-pressure filter 9 and the inlet end 81 of the hydraulic plunger motor 8 are connected to the fourth output end 75, respectively.
Further, the second outlets 23 of the flow control valves 2 in the two hydraulic plunger motors 8 arranged in parallel are respectively connected with the hydraulic oil tank 5.
Further, the first outlets 22 of the flow control valves 2 in the two hydraulic plunger motors 8 arranged in parallel are both connected with the inlet of the purge separation line 1.
Further, the cleaning and separating pipeline 1 comprises two filtering devices which are arranged in series.
Further, the line high pressure filter 9 has an outlet port 91;
the outlet end 91 of the pipeline high-pressure filter 9 is connected with the hydraulic oil tank 5 through a gear pump 10.
Further, the outlet end 91 of the pipeline high-pressure filter 9 is connected with the overflow oil tank 3 through an overflow valve 11.
The control system of the utility model adopts the diesel engine to drive the hydraulic plunger pump, the hydraulic plunger pump drives the hydraulic motor, the hydraulic motor drives the slurry pump, and the PLC control system is adopted, compared with the prior art, the slurry flow can be regulated in a stepless way; the diesel engine power of the control system only needs to meet the normal work of a hydraulic system, so that the fuel cost in the working of the slurry pump is reduced, and the environmental pollution is reduced.
To sum up, the control system of the present invention can solve the problems existing in the prior art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. The utility model provides a mud pump hydraulic control system which characterized in that: comprises a diesel engine (4), a hydraulic plunger pump (6), a control valve block (7) and a hydraulic plunger motor (8);
the hydraulic plunger pump (6) comprises a first inlet end (61), a second inlet end (62), a first outlet end (63) and a second outlet end (64), the first inlet end (61) is connected with the output end of the diesel engine (4), the second inlet end (62) is connected with a hydraulic oil tank (5), the first outlet end (63) is connected with the control valve block (7), and the second outlet end (64) is connected with the inlet end of a pipeline high-pressure filter (9);
the control valve block (7) is connected with the hydraulic plunger motor (8);
the hydraulic plunger motor (8) is connected with the hydraulic oil tank (5) through the clearing separation pipeline (1).
2. The control system of claim 1, wherein: comprises two hydraulic plunger motors (8) which are arranged in parallel;
said hydraulic ram motor (8) having an inlet end (81);
the hydraulic plunger motor (8) is internally provided with a flow control valve (2), and the flow control valve (2) is provided with an inlet (21), a first outlet (22) and a second outlet (23).
3. The control system of claim 2, wherein: the control valve block (7) comprises an input end (71), a first output end (72), a second output end (73), a third output end (74) and a fourth output end (75);
the input end (71) is connected with a first outlet end (63) of the hydraulic plunger pump (6);
the first output end (72) and the second output end (73) are respectively connected with inlets (21) of the flow control valves (2) in the two hydraulic plunger motors (8) arranged in parallel;
the third output end (74) is respectively connected with the first outlets (22) of the flow control valves (2) in the two hydraulic plunger motors (8) which are arranged in parallel;
and the inlet end (81) of the pipeline high-pressure filter (9) and the inlet end (81) of the hydraulic plunger motor (8) are respectively connected with the fourth output end (75).
4. The control system of claim 2, wherein: and second outlets (23) of the flow control valves (2) in the two hydraulic plunger motors (8) arranged in parallel are respectively connected with a hydraulic oil tank (5).
5. The control system according to claim 1 or 2, characterized in that: the first outlets (22) of the flow control valves (2) in the two hydraulic plunger motors (8) arranged in parallel are connected with the inlet of the clearing and separating pipeline (1).
6. The control system of claim 1, wherein: the cleaning and separating pipeline (1) comprises two filtering devices which are arranged in series.
7. The control system of claim 1, wherein: the line high-pressure filter (9) has an outlet end (91);
and the outlet end (91) of the pipeline high-pressure filter (9) is connected with the hydraulic oil tank (5) through a gear pump (10).
8. The control system of claim 1, wherein: and the outlet end (91) of the pipeline high-pressure filter (9) is connected with the overflow oil tank (3) through an overflow valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921991894.XU CN211777941U (en) | 2019-11-18 | 2019-11-18 | Mud pump hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921991894.XU CN211777941U (en) | 2019-11-18 | 2019-11-18 | Mud pump hydraulic control system |
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| Publication Number | Publication Date |
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| CN211777941U true CN211777941U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921991894.XU Active CN211777941U (en) | 2019-11-18 | 2019-11-18 | Mud pump hydraulic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985361A (en) * | 2019-11-18 | 2020-04-10 | 江苏谷登重型机械装备科技有限公司 | Mud pump hydraulic control system |
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- 2019-11-18 CN CN201921991894.XU patent/CN211777941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985361A (en) * | 2019-11-18 | 2020-04-10 | 江苏谷登重型机械装备科技有限公司 | Mud pump hydraulic control system |
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Address after: 224100 south of Weisan Road, Dafeng Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu Gudeng Heavy Machinery Technology Co.,Ltd. Address before: 224100 south of Weisan Road, Dafeng Development Zone, Yancheng City, Jiangsu Province Patentee before: JIANGSU GUDENG HEAVY MACHINERY EQUIPMENT TECHNOLOGY Co.,Ltd. |