CN209813725U - Power system for diesel filling vehicle - Google Patents
Power system for diesel filling vehicle Download PDFInfo
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- CN209813725U CN209813725U CN201920461296.5U CN201920461296U CN209813725U CN 209813725 U CN209813725 U CN 209813725U CN 201920461296 U CN201920461296 U CN 201920461296U CN 209813725 U CN209813725 U CN 209813725U
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- oil
- pipeline
- pump
- diesel
- filling
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Abstract
The utility model discloses a driving system for diesel oil filling car, driving system includes hydraulic tank, duplex hydraulic pump, two cross solenoid directional valves, wherein the pivot and the power takeoff transmission of duplex hydraulic pump are connected, two pump hydraulic fluid outlets of duplex hydraulic pump all are connected with the oil inlet of two cross solenoid directional valves through the pipeline, the oil-out of two cross solenoid directional valves is connected with the oil inlet of refueling/oil charging drive motor, and, all be equipped with the check valve on the pipeline between two pump hydraulic fluid outlets of duplex hydraulic pump and two cross solenoid directional valves's oil inlet, still be equipped with an oil return pipeline on the pipeline between one of them pump hydraulic fluid outlet and the check valve on the corresponding pipeline, should return the oil pipeline and be connected with the hydraulic tank, be equipped with the solenoid valve on this oil return pipeline. The utility model provides a driving system can satisfy when refueling small discharge, when loading oil large-traffic power requirement, has simple structure, occupation space is little, use cost low grade advantage.
Description
Technical Field
The utility model relates to a driving system for diesel oil filling car belongs to refueling equipment technical field.
Background
The diesel oil filling vehicle is a special vehicle for filling diesel oil into the vehicle, and has the functions of filling oil and self-filling oil. Because the flow during refueling can not be too large, otherwise, foam can be formed in the fuel tank to cause the fuel gun to jump over the gun too early, so that the vehicle can not be filled with diesel oil; since the oil storage tank of a diesel refueling truck has a large capacity, usually several thousand liters, the oil filling flow rate needs to be large in order to reduce the oil filling time. In order to meet the requirements of small flow during refueling and large flow during refueling, the prior art drives a refueling pump by a power takeoff of a vehicle, and drives a refueling pump by a high-power motor arranged outside, so that the diesel refueling vehicle is complex in structure, large in space waste and high in use cost.
SUMMERY OF THE UTILITY MODEL
The above-mentioned problem to prior art exists, the utility model aims at providing a driving system for diesel oil filling car to realize that the gasoline pump all takes the power takeoff of vehicle self with the power from the oil charge pump, and can satisfy when refueling small discharge, large-traffic power requirement when the oil charge.
In order to achieve the above object, the utility model adopts the following technical scheme:
a power system for a diesel filling vehicle, the diesel filling vehicle comprises a power takeoff, a filling/filling driving motor and a sliding vane pump, the power system comprises a hydraulic oil tank, a duplex hydraulic pump and a two-position four-way electromagnetic directional valve, wherein a rotating shaft of the duplex hydraulic pump is in transmission connection with a power takeoff, oil outlets of two pumps of the duplex hydraulic pump are both connected with an oil inlet of the two-position four-way electromagnetic directional valve through a pipeline, an oil outlet of the two-position four-way electromagnetic directional valve is connected with an oil inlet of the oiling/oil loading driving motor, and, the pipelines between the oil outlets of the two pumps of the duplex hydraulic pump and the oil inlet of the two-position four-way electromagnetic directional valve are provided with one-way valves, an oil return pipeline is further arranged on a pipeline between the oil outlet of one of the pumps and the one-way valve on the corresponding pipeline, the oil return pipeline is connected with the hydraulic oil tank, and an electromagnetic valve is arranged on the oil return pipeline.
Preferably, an overflow valve connected in parallel with the electromagnetic valve is further arranged on the oil return pipeline.
Preferably, a pressure gauge is further arranged on the oil return pipeline.
Preferably, an oil return port of the oiling/filling driving motor is connected with the hydraulic oil tank through a pipeline.
Preferably, the power takeoff is in transmission connection with a transmission of the diesel filling vehicle.
Compared with the prior art, the utility model has the advantages of:
the utility model provides a driving system drives the pair hydraulic pump through the power takeoff that utilizes diesel oil filling car self to through setting up the autonomous working or the simultaneous working of returning oil pipe way control pair hydraulic pump, thereby satisfied when refueling small-flow, when loading large-traffic power requirement, had advantages such as simple structure, occupation space are little, use cost low, have obvious practical value.
Drawings
FIG. 1 is a schematic structural diagram of a power system for a diesel refueling truck according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a power system according to an embodiment of the present invention during refueling operation;
fig. 3 is a schematic diagram of a power system according to an embodiment of the present invention during oil loading operation.
The numbers in the figures are as follows: 1. a power takeoff; 2. a refueling/charging drive motor; 3. a sliding vane pump; 4. a hydraulic oil tank; 5. a duplex hydraulic pump; 6. a two-position four-way electromagnetic directional valve; 7. a one-way valve; 8. an oil return line; 9. an electromagnetic valve; 10. an overflow valve; 11. and a pressure gauge.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Examples
Referring to fig. 1, the utility model provides a power system for diesel filling vehicle, the diesel filling vehicle contains power takeoff 1, refuel/charge oil drive motor 2 and gleitbretter pump 3, power system includes hydraulic tank 4, duplex hydraulic pump 5, two-position four-way electromagnetic directional valve 6, wherein the pivot of duplex hydraulic pump 5 is connected with power takeoff 1 transmission, the oil outlet of two pumps of duplex hydraulic pump 5 is connected with the oil inlet of two-position four-way electromagnetic directional valve 6 through the pipeline, the oil outlet of two-position four-way electromagnetic directional valve 6 is connected with the oil inlet of refuel/charge oil drive motor 2, and, all be equipped with check valve 7 on the pipeline between the oil outlet of two pumps of duplex hydraulic pump 5 and the oil inlet of two-position four-way electromagnetic directional valve 6, still be equipped with an oil return pipe way 8 on the pipeline between one of the oil outlet and the check valve on the corresponding pipeline, the oil return pipeline 8 is connected with the hydraulic oil tank 4, the oil return pipeline 8 is provided with an electromagnetic valve 9 and an overflow valve 10 connected with the electromagnetic valve 9 in parallel, the oil return pipeline 8 is further provided with a pressure gauge 11, an oil return port of the oiling/oil loading driving motor 2 is connected with the hydraulic oil tank 4 through a pipeline, and the power takeoff 1 is in transmission connection with a transmission of a diesel filling vehicle.
Referring to fig. 2, when the diesel refueling truck refuels a vehicle, in order to avoid that a refueling gun jumps too early to affect the refueling of the oil tank due to foam formed in the oil tank, only one pump in the duplex hydraulic pump 5 needs to work, and the other pump directly forms a circulation loop with the hydraulic oil tank 4 to realize unloading by opening the electromagnetic valve 9 on the oil return pipeline 8, so that the sliding vane pump 3 can operate at a low rotation speed, and the power for refueling at a small flow (such as 50L/min) can be ensured.
Referring to fig. 3, when the diesel filling vehicle is filling oil for itself, since the capacity of the oil storage tank is large (e.g., 6000L), in order to reduce the oil filling time, a large oil filling flow rate must be ensured, and at this time, the two pumps of the dual hydraulic pump 5 work simultaneously, so that the sliding vane pump 3 can operate at a high rotation speed, and a large flow rate (e.g., 300L/min) of power for self-filling oil can be ensured.
In summary, it can be seen that: the utility model provides a driving system drives the pair hydraulic pump through the power takeoff that utilizes diesel oil filling car self to through setting up the autonomous working or the simultaneous working of returning oil pipe way control pair hydraulic pump, thereby satisfied when refueling small-flow, when loading large-traffic power requirement, had advantages such as simple structure, occupation space are little, use cost low, have obvious practical value.
It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a driving system for diesel oil filling vehicle, diesel oil filling vehicle contains power takeoff and refuels/the drive motor of filling and sliding vane pump which characterized in that: the power system comprises a hydraulic oil tank, a duplex hydraulic pump and a two-position four-way electromagnetic directional valve, wherein a rotating shaft of the duplex hydraulic pump is in transmission connection with a power takeoff, oil outlets of two pumps of the duplex hydraulic pump are connected with an oil inlet of the two-position four-way electromagnetic directional valve through pipelines, an oil outlet of the two-position four-way electromagnetic directional valve is connected with an oil inlet of an oiling/oil filling driving motor, one-way valves are arranged on pipelines between the oil outlets of the two pumps of the duplex hydraulic pump and the oil inlet of the two-position four-way electromagnetic directional valve, an oil return pipeline is further arranged on the pipeline between the oil outlet of one pump and the one-way valve on the corresponding pipeline, the oil return pipeline is connected with the hydraulic oil tank, and an electromagnetic.
2. The powertrain for a diesel fuel filler vehicle according to claim 1, characterized in that: and an overflow valve connected with the electromagnetic valve in parallel is also arranged on the oil return pipeline.
3. The powertrain for a diesel fuel filler vehicle according to claim 2, characterized in that: and a pressure gauge is also arranged on the oil return pipeline.
4. The powertrain for a diesel fuel filler vehicle according to claim 1, characterized in that: the oil return port of the oil filling/loading driving motor is connected with the hydraulic oil tank through a pipeline.
5. The powertrain for a diesel fuel filler vehicle according to claim 1, characterized in that: the power takeoff is in transmission connection with a transmission of the diesel filling vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461296.5U CN209813725U (en) | 2019-04-08 | 2019-04-08 | Power system for diesel filling vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461296.5U CN209813725U (en) | 2019-04-08 | 2019-04-08 | Power system for diesel filling vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209813725U true CN209813725U (en) | 2019-12-20 |
Family
ID=68879107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920461296.5U Active CN209813725U (en) | 2019-04-08 | 2019-04-08 | Power system for diesel filling vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209813725U (en) |
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2019
- 2019-04-08 CN CN201920461296.5U patent/CN209813725U/en active Active
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