CN2584871Y - Flushing device for plunger pump and piston motor casing - Google Patents
Flushing device for plunger pump and piston motor casing Download PDFInfo
- Publication number
- CN2584871Y CN2584871Y CN 02279727 CN02279727U CN2584871Y CN 2584871 Y CN2584871 Y CN 2584871Y CN 02279727 CN02279727 CN 02279727 CN 02279727 U CN02279727 U CN 02279727U CN 2584871 Y CN2584871 Y CN 2584871Y
- Authority
- CN
- China
- Prior art keywords
- plunger pump
- hydraulic hose
- plunger
- piston motor
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a flushing device for a plunger pump and a shell body of a plunger motor, which belongs to the field of flushing devices for pumps and shell bodies of motors. The utility model is composed of a cooler, a hydraulic hose, the plunger pump, the plunger motor, a flow control valve, an oil collecting pipe, a one-way valve, an oil return pipe manifold, and a hydraulic oil tank. The flushing device for the plunger pump and the shell body of the plunger motor is characterized in that hydraulic oil after cooled by the cooler enters the oil collecting pipe; a part of hydraulic oil penetrates through the shell body of the plunger motor, is output to the shell body of the plunger pump, and finally enters the hydraulic oil tank through the oil return pipe manifold by regulating the flow control valve to enable the temperature of the plunger pump and the shell body of the plunger motor to reduce, and thereby, the utility model avoids various failures caused by partial high temperature of the plunger pump and the shell body of the plunger motor, and solves the problems that the temperature of the plunger pump and the shell body of the plunger motor rises to enable the hydraulic oil to generate sludgy precipitate to form conjunct carbon, and the pump or the motor results in various failures. The utility model is particularly suitable to be used on a plunger pump and a plunger motor of a fracturing blender truck.
Description
Affiliated technical field:
The utility model relates to a kind of housing Rinsing unit, particularly a kind of fracturing blender truck plunger pump and piston motor housing Rinsing unit.Belong to plunger pump and piston motor housing Rinsing unit field.
Background technique:
All driving mechanisms of the special device fracturing blender truck of oil field compression fracture are to adopt closed type static pressure transmission system and open type hydrostatic transmission system all, so its hydraulic system is very huge.Therefore, the operating temperature of hydraulic oil must be controlled within certain scope, could guarantee the hydraulic system proper functioning.At present, the operating temperature of hydraulic oil is by the cooler forced heat radiation, the operating temperature of whole hydraulic system hydraulic oil is 56 ℃, yet plunger pump and piston motor case temperature reach more than 85 ℃, this is owing to the caused power loss of leakage between friction between plunger pump and the piston motor inner components and the component, thereby plunger pump and piston motor case temperature are raise.Ju Bu high temperature can make hydraulic oil produce certain mud shape precipitate like this, forms knot carbon, and in a single day they enter the slidingsurface and the matching gap of hydraulic element, will cause all faults, even makes that to have suffered fluid drive mechanism in paralyzed state.The solution that occurs mud shape thing in the prior art is the hydraulic oil that more renews, and all hydraulic element is cleaned.
Summary of the invention:
The purpose of this utility model is to provide a kind of and can makes plunger pump and the control of piston motor case temperature within limits, makes hydraulic oil not produce the mud shape and folds thing, forms knot carbon, avoids the plunger pump and the piston motor housing Rinsing unit of device damage.
The utility model is realized above-mentioned purpose with following technological scheme: this plunger pump and piston motor housing Rinsing unit are made up of cooler, hydraulic hose I, hydraulic hose II, hydraulic hose III, plunger pump, piston motor, flow control valve, hydraulic hose IV, oil collecting pipe, one-way valve, hydraulic hose V, hydraulic hose VI, oil return manifold and hydraulic oil container.It is characterized in that: be shaped on a plurality of inlet openings on the oil collecting pipe, the oil collecting pipe inlet opening is connected with the cooler delivery outlet by hydraulic hose I, an oil collecting pipe delivery outlet part is connected with the flow control valve inlet opening by screw thread, the flow control valve delivery outlet is connected with piston motor housing inlet opening by hydraulic hose II, and making the flow that is input to the piston motor housing by the adjusting flow control valve is the 3%-5% of main pump flow; Oil collecting pipe delivery outlet another part is connected with the one-way valve inlet opening by screw thread, and the cracking pressure of one-way valve should be lower than plunger pump and piston motor housing pressure 0.05-0.1MPa.The one-way valve delivery outlet is connected with the hydraulic oil container inlet opening by hydraulic hose V, piston motor housing delivery outlet is connected with plunger pump housing inlet opening by hydraulic hose III, plunger pump housing delivery outlet is connected with oil return manifold inlet opening by hydraulic hose IV, and oil return manifold delivery outlet is connected with the hydraulic oil container inlet opening by hydraulic hose VI.This plunger pump and piston motor housing Rinsing unit are to enter oil collecting pipe through the cooled hydraulic oil of supercooler, by regulating flow control valve, make a part of hydraulic oil through the piston motor housing, output to the plunger pump housing again, after return tube converge to hydraulic oil container.Can reduce plunger pump and piston motor case temperature like this.Thereby avoid because the caused all faults of high temperature of plunger pump and piston motor housing part.
The utility model compared with prior art has following beneficial effect:
Hydraulic oil is after the cooler cooling, by regulating flow control valve, make a part of hydraulic oil through the piston motor housing, output to the plunger pump housing again, plunger pump and piston motor case temperature are reduced, make temperature within control range, hydraulic oil does not produce mud shape precipitate and knot carbon, has avoided the damage of equipment effectively.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further described:
Accompanying drawing 1 is that plunger pump and piston motor housing are towards Xian's device schematic representation;
Accompanying drawing 2 is that plunger pump and piston motor housing are towards Xian's device plan view;
Accompanying drawing 3 is that plunger pump and piston motor housing are towards Xian's device plan view.
Among the figure: 1. hydraulic hose III, 2. plunger pump, 3. hydraulic hose IV, 4. oil return manifold, 5. hydraulic hose VI, 6. hydraulic oil container, 7. hydraulic hose V, 8. one-way valve, 9. oil collecting pipe, 10. hydraulic hose I, 11. coolers, 12. flow control valves, 13. hydraulic hose II, 14. piston motors.
Embodiment:
This plunger pump and piston motor housing Rinsing unit are connected successively by cooler (11), hydraulic hose I (10), oil collecting pipe (9), one-way valve (8), hydraulic hose V (7), hydraulic oil container (6), flow control valve (12), hydraulic hose II (13), piston motor (14), hydraulic hose III (1), plunger pump (2), hydraulic hose IV (3), oil return manifold (4), hydraulic hose VI (5) and form.Cooler (11) is fixed on the automotive frame by mounting bracket, and oil collecting pipe (9) inlet opening is connected with cooler (11) delivery outlet by hydraulic hose I (10); The part of the delivery outlet of oil collecting pipe (9) is connected with flow control valve (12) inlet opening by screw thread, flow control valve (12) delivery outlet is connected with piston motor (14) housing inlet opening by hydraulic hose II (13), and making the flow that is input to piston motor (14) housing by adjusting flow control valve (12) is the 3%-5% of main pump flow; Another part of the delivery outlet of oil collecting pipe (9) is connected with one-way valve (8) inlet opening by screw thread, and the cracking pressure of one-way valve (8) should be lower than plunger pump (2) and piston motor (14) housing pressure 0.05-0.1MPa.One-way valve (8) delivery outlet is connected with hydraulic oil container (6) inlet opening by hydraulic hose V (7).Piston motor (14) housing delivery outlet is connected with plunger pump (2) housing inlet opening by hydraulic hose III (1), plunger pump (2) housing delivery outlet is connected with oil return manifold (4) inlet opening by hydraulic hose IV (3), oil return manifold (4) delivery outlet is connected with hydraulic oil container (6) inlet opening by hydraulic hose VI (5), and hydraulic oil container (6) is fixed on the automotive frame by mounting bracket.When entering oil collecting pipe (9) through hydraulic hose I (10),, make a part of hydraulic oil enter piston motor (14) housing through hydraulic hose 11 (13) by flow control valve (12) by regulating flow control valve (12) through the cooled hydraulic oil of supercooler (11); Oil collecting pipe (9) remaining part hydraulic oil flows to hydraulic oil container (6) through one-way valve (8) by hydraulic hose V (7).Enter between friction between hydraulic oil cooling piston motor (14) inner components of piston motor (14) housing and the component and leak the heat that caused power loss transformed, cooled hydraulic oil enters in plunger pump (2) housing by hydraulic hose III (1).Enter between friction between hydraulic oil cooling plunger pump (2) inner components of plunger pump (2) housing and the component and leak the heat that caused power loss transformed, cooled hydraulic oil enters oil return manifold (4) by hydraulic hose IV (3), flows into hydraulic oil container (7) by hydraulic hose VI (5) then and cools off.Can reduce plunger pump (2) and piston motor (14) case temperature like this.Thereby avoid because the interior local caused all faults of high temperature of plunger pump and piston motor housing.Equally, when plunger pump and piston motor quantity during for two or more (being five plunger pumps and piston motor shown in the accompanying drawing), wash by same principle.Like this, no matter whenever, plunger pump and piston motor case temperature can both be controlled within certain scope, guarantee the hydraulic system proper functioning.
Claims (2)
1. plunger pump and piston motor housing Rinsing unit, it is by cooler, hydraulic hose I, hydraulic hose II, hydraulic hose III, plunger pump, piston motor, flow control valve, hydraulic hose IV, oil collecting pipe, one-way valve, hydraulic hose V, hydraulic hose IV, oil return manifold and hydraulic oil container are formed, be shaped on a plurality of inlet openings on the oil collecting pipe, the inlet opening is connected with the cooler delivery outlet by hydraulic hose I, it is characterized in that: an oil collecting pipe delivery outlet part is connected with the flow control valve inlet opening by screw thread, the flow control valve delivery outlet is connected with piston motor housing inlet opening by hydraulic hose II, oil collecting pipe delivery outlet another part is connected with the one-way valve inlet opening by screw thread, the one-way valve delivery outlet is connected by hydraulic hose V hydraulic oil container inlet opening, piston motor housing delivery outlet is connected with plunger pump housing inlet opening by hydraulic hose III, plunger pump housing delivery outlet is connected with oil return manifold inlet opening by hydraulic hose IV, and oil return manifold delivery outlet is connected with the hydraulic oil container inlet opening by hydraulic hose VI.
2. plunger pump according to claim 1 and piston motor housing Rinsing unit, it is characterized in that: the cracking pressure of one-way valve is lower than plunger pump and piston motor housing pressure 0.05-0.1Mpa, and the flow that is input to the piston motor housing is the 3%-5% of main pump flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02279727 CN2584871Y (en) | 2002-10-25 | 2002-10-25 | Flushing device for plunger pump and piston motor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02279727 CN2584871Y (en) | 2002-10-25 | 2002-10-25 | Flushing device for plunger pump and piston motor casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2584871Y true CN2584871Y (en) | 2003-11-05 |
Family
ID=33742729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02279727 Expired - Lifetime CN2584871Y (en) | 2002-10-25 | 2002-10-25 | Flushing device for plunger pump and piston motor casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2584871Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050819A (en) * | 2016-07-29 | 2016-10-26 | 柳州柳工挖掘机有限公司 | Engineering machinery travel motor shell flushing oil circuit |
| CN106351895A (en) * | 2016-08-29 | 2017-01-25 | 北汽福田汽车股份有限公司 | plunger pump hydraulic system and engineering machine |
-
2002
- 2002-10-25 CN CN 02279727 patent/CN2584871Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050819A (en) * | 2016-07-29 | 2016-10-26 | 柳州柳工挖掘机有限公司 | Engineering machinery travel motor shell flushing oil circuit |
| CN106351895A (en) * | 2016-08-29 | 2017-01-25 | 北汽福田汽车股份有限公司 | plunger pump hydraulic system and engineering machine |
| CN106351895B (en) * | 2016-08-29 | 2018-08-07 | 北汽福田汽车股份有限公司 | Plunger pump hydraulic system and engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121025 Granted publication date: 20031105 |