CN202789791U - Pressure reducing loop system of automatic paste mixing equipment for well cementation - Google Patents
Pressure reducing loop system of automatic paste mixing equipment for well cementation Download PDFInfo
- Publication number
- CN202789791U CN202789791U CN 201220411347 CN201220411347U CN202789791U CN 202789791 U CN202789791 U CN 202789791U CN 201220411347 CN201220411347 CN 201220411347 CN 201220411347 U CN201220411347 U CN 201220411347U CN 202789791 U CN202789791 U CN 202789791U
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- well cementation
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a pressure reducing loop system of automatic paste mixing equipment for well cementation. The pressure reducing loop system of the automatic paste mixing equipment for well cementation comprises a hydraulic pump, a clean water oil cylinder, a lime charge oil cylinder, stirring motors and an oil tank. The pressure reducing loop system of the automatic paste mixing equipment for well cementation is characterized in that an inlet of the hydraulic pump is communicated with the oil tank; an outlet of the hydraulic pump is divided into two ways; one way is connected with the stirring motors through an overflow shunt valve; the other way is provided with a pressure reducing valve; the outlet of the pressure reducing valve is provided with two branches; one branch is connected with the clean water oil cylinder through an electromagnetic valve; the other branch is connected with the lime charge oil cylinder through an electromagnetic reversing valve; and the backflows of the clean water oil cylinder, the lime charge oil cylinder and the stirring motor are collected together through pipe lines and communicated with the oil tank. The pressure reducing loop system of the automatic paste mixing equipment for well cementation has the beneficial effects that in comparison with the prior art, a set of hydraulic pump system is reduced, the pipe lines are simplified, and the cost is decreased; and in addition, through the pressure reducing valve, the driving of the stirring motor, the clean water oil cylinder and the lime charge oil tank is realized.
Description
Technical field
The utility model relates to a kind of pressure reducing circuit system, relates in particular to a kind of pressure reducing circuit system for the automatically mixed slurry equipment of well cementation.
Background technique
Automatically mixed slurry system for cementing equipment all is equipped with the oscillating oil cylinder (being called for short the clear water oil cylinder) of stirrer, control clear water switch and the oscillating oil cylinder (being called for short lower grey oil cylinder) of adjusting cement amount at present.Stirrer uses fluid motor-driven.Clear water oil cylinder and lower grey oil cylinder are driven by hydraulic oil, change the hydraulic oil direction that enters in the cylinder and can realize that both swing to different direction.The aperture of clear water oil cylinder and lower grey oil cylinder control purge valve and the size of ash discharging valve aperture.Because stirring motor and clear water, lower grey oil cylinder in the course of the work required hydraulic fluid pressure are different, equipment producer adopts one to overlap independently that hydraulic system drives for the oil hydraulic motor of stirrer and clear water oil cylinder usually, lower grey oil cylinder employing one is overlapped independently, and hydraulic system drives, need altogether the independent oil hydraulic pump of two covers, relief valve and corresponding pipeline, cause hydraulic pipe line very complicated, wiring, maintenance work are loaded down with trivial details, but also have increased cost.
Summary of the invention
The utility model provides a kind of pressure reducing circuit system for the automatically mixed slurry equipment of well cementation for above-mentioned the deficiencies in the prior art, and it utilizes an oil hydraulic pump to realize the driving of stirring motor, clear water oil cylinder and lower grey oil cylinder by the pressure reducing circuit system.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of pressure reducing circuit system for the automatically mixed slurry equipment of well cementation, comprise oil hydraulic pump, the clear water oil cylinder, lower grey oil cylinder, stirring motor and fuel tank, it is characterized in that, the entrance of described oil hydraulic pump is communicated with described fuel tank, described hydraulic pressure delivery side of pump is divided into two-way, the overflow diverter valve of wherein leading up to is connected with described stirring motor, another road is provided with reduction valve, the outlet of described reduction valve is provided with two branch roads, one of them branch road is connected with described clear water oil cylinder by solenoid valve, another branch road is connected described clear water oil cylinder by solenoid directional control valve with described lower grey oil cylinder, the backflow of lower grey oil cylinder and stirring motor pools together and is communicated with described fuel tank by return line.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, also be provided with hand-operated direction valve between described lower grey oil cylinder and the reduction valve.
Further, described solenoid valve is two-position four-way solenoid valve, and described solenoid directional control valve is the 3-position 4-way solenoid directional control valve.
Further, the entrance of described oil hydraulic pump also is provided with oil absorption filter, also is provided with return filter on the described return line.
Further, described stirring motor is provided with two, and described stirring motor entrance also is provided with pressure gauge.
Further, described oil hydraulic pump is gear oil pump.
Further, described reduction valve is stacked compression release valve.
The beneficial effects of the utility model are: compared with prior art, make the automatically mixed slurry equipment of well cementation reduce by a cover hydraulic pump system, simplify pipeline, reduced cost; Realized the driving of stirring motor and clear water oil cylinder, lower grey oil cylinder by reduction valve; By between lower grey oil cylinder and reduction valve, hand-operated direction valve being set, increase the manually standby functions of control of lower grey oil cylinder; By being provided with filtration system, keep cleanliness of hydraulic oil, prolong hydraulic system working life.
Description of drawings
Fig. 1 is structural principle schematic representation of the present utility model.
In Fig. 1, the represented list of designations of each label is as follows:
1, oil absorption filter, 2, oil hydraulic pump, 3, reduction valve, 4, hand-operated direction valve, 5, solenoid directional control valve, 6, lower grey oil cylinder, 7, the overflow diverter valve, 8, pressure gauge, the 9, first stirring motor, 10, the second stirring motor, 11, return filter, 12, solenoid valve, 13, the clear water oil cylinder.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As shown in Figure 1, a kind of pressure reducing circuit system for the automatically mixed slurry equipment of well cementation, comprise oil hydraulic pump 2, clear water oil cylinder 13, lower grey oil cylinder 6, stirring motor and fuel tank, it is characterized in that, the entrance of described oil hydraulic pump 2 is communicated with described fuel tank, the outlet of described oil hydraulic pump 2 is divided into two-way, the overflow diverter valve 7 of wherein leading up to is connected with described stirring motor, another road is provided with reduction valve 3, the outlet of described reduction valve 3 is provided with two branch roads, one of them branch road is connected with described clear water oil cylinder 13 by solenoid valve 12, another branch road is connected described clear water oil cylinder 13 by solenoid directional control valve 5 with described lower grey oil cylinder 6, the backflow of lower grey oil cylinder 6 and stirring motor pools together and is communicated with described fuel tank by return line.
Also be provided with hand-operated direction valve 4 between described lower grey oil cylinder 6 and the reduction valve 3.
Described solenoid valve 12 is two-position four-way solenoid valve, and described solenoid directional control valve 5 is the 3-position 4-way solenoid directional control valve.
The entrance of described oil hydraulic pump 2 also is provided with oil absorption filter 1, also is provided with return filter 11 on the described return line.
Described stirring motor is provided with two, i.e. the first stirring motor 9 and the second stirring motor 10, and described stirring motor entrance also is provided with pressure gauge 8.
Described oil hydraulic pump 2 is gear oil pump.
Described reduction valve 3 is stacked compression release valve.
Working principle of the present utility model is as follows:
Hydraulic oil in the hydraulic oil container enters into oil hydraulic pump 2 after filtering by oil absorption filter 1, and oil hydraulic pump 2 is driven by the tail of a vane pump, thereby hydraulic oil can be exported with certain working pressure and flow.The hydraulic oil one tunnel of output enters into reduction valve 3, by control hand-operated direction valve 4 or three solenoid directional control valves 5, can control the direction that enters into lower grey oil cylinder 6 oil, and then the swaying direction of the lower grey oil cylinder 6 of control.The fluid on this road can also make hydraulic oil enter into from different directions clear water oil cylinder 13 by control solenoid valve 12, reaches the purpose of its switch of control.Because clear water oil cylinder 13 operating frequencies are low, can not exert an influence to lower grey oil cylinder.Another road of hydraulic oil of output enters into overflow diverter valve 7, pressure gauge 8 shows the hydraulic fluid pressure in the pipelines, by adjusting its pressure, after hydraulic fluid pressure reaches certain value, drive the first stirring motor 9 and 10 rotations of the second stirring motor, be used for the stirring of cement slurry.The oil return of 11 pairs of whole hydraulic systems of return filter plays smart filtration, prevents that the grain flow oil sump tank in the hydraulic system from damaging the assembly of hydraulic system.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. one kind is used for the pressure reducing circuit system that well cementation mixes slurry equipment automatically, comprise oil hydraulic pump (2), clear water oil cylinder (13), lower grey oil cylinder (6), stirring motor and fuel tank, it is characterized in that, the entrance of described oil hydraulic pump (2) is communicated with described fuel tank, the outlet of described oil hydraulic pump (2) is divided into two-way, the overflow diverter valve (7) of wherein leading up to is connected with described stirring motor, another road is provided with reduction valve (3), the outlet of described reduction valve (3) is provided with two branch roads, one of them branch road is connected with described clear water oil cylinder (13) by solenoid valve (12), another branch road is connected described clear water oil cylinder (13) by solenoid directional control valve (5) with described lower grey oil cylinder (6), the backflow of lower grey oil cylinder (6) and stirring motor pools together and is communicated with described fuel tank by return line.
2. the pressure reducing circuit system for the automatically mixed slurry equipment of well cementation according to claim 1 is characterized in that, also is provided with hand-operated direction valve (4) between described lower grey oil cylinder (6) and the reduction valve (3).
3. the pressure reducing circuit system for the automatically mixed slurry equipment of well cementation according to claim 1 and 2 is characterized in that described solenoid valve (12) is two-position four-way solenoid valve, and described solenoid directional control valve (5) is the 3-position 4-way solenoid directional control valve.
4. the pressure reducing circuit system for the automatically mixed slurry equipment of well cementation according to claim 1 and 2 is characterized in that the entrance of described oil hydraulic pump (2) also is provided with oil absorption filter (1), also is provided with return filter (11) on the described return line.
5. the pressure reducing circuit system for the automatically mixed slurry equipment of well cementation according to claim 4 is characterized in that described stirring motor is provided with two, and described stirring motor entrance also is provided with pressure gauge (8).
6. according to claim 1 and 2 or 5 described for the automatic pressure reducing circuit systems of mixed slurry equipment of well cementation, it is characterized in that described oil hydraulic pump (2) is gear oil pump.
7. according to claim 1 and 2 or 5 described for the automatic pressure reducing circuit systems of mixed slurry equipment of well cementation, it is characterized in that described reduction valve (3) is stacked compression release valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411347 CN202789791U (en) | 2012-08-20 | 2012-08-20 | Pressure reducing loop system of automatic paste mixing equipment for well cementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411347 CN202789791U (en) | 2012-08-20 | 2012-08-20 | Pressure reducing loop system of automatic paste mixing equipment for well cementation |
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| CN202789791U true CN202789791U (en) | 2013-03-13 |
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| CN 201220411347 Expired - Fee Related CN202789791U (en) | 2012-08-20 | 2012-08-20 | Pressure reducing loop system of automatic paste mixing equipment for well cementation |
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