CN213981486U - Portable stepless speed regulation electric hydraulic pump with battery - Google Patents
Portable stepless speed regulation electric hydraulic pump with battery Download PDFInfo
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- CN213981486U CN213981486U CN202022768970.XU CN202022768970U CN213981486U CN 213981486 U CN213981486 U CN 213981486U CN 202022768970 U CN202022768970 U CN 202022768970U CN 213981486 U CN213981486 U CN 213981486U
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Abstract
The utility model discloses a portable stepless speed regulation electric hydraulic pump with a battery. The hydraulic control system comprises a hydraulic unit, a main controller, a servo motor and a battery unit; the hydraulic unit comprises a fully-closed oil tank for containing hydraulic oil, a plunger pump is arranged in the oil tank and is in driving connection with a servo motor arranged on an oil tank shell, an output pipeline of the plunger pump is connected with a two-position four-way valve arranged on the oil tank shell, and an oil return pipeline of the hydraulic unit is communicated with an oil return tank through the two-position four-way valve; the servo motor is connected with the lithium battery module in a replaceable manner. The utility model provides hydraulic power for the oil cylinder in the environment without external power supply, and carries out stepless speed regulation on the hydraulic unit according to the change of load, thereby realizing the discharge flow rate of adaptation provided under different loads; the maximum working pressure of the system can be adjusted to adapt to different working pressure requirements; the double-acting oil cylinder can be driven to do reciprocating motion, and higher working efficiency and working period can be achieved.
Description
Technical Field
The utility model relates to a hydraulic equipment for pressure output belongs to hydraulic machinery technical field, in particular to portable speed governing electric hydraulic pump of electrified pond.
Background
An electric hydraulic pump is a hydraulic device that converts electrical energy into mechanical energy and then converts the mechanical energy into fluid kinetic energy. The power unit of the hydraulic industry mainly depends on an external power supply, a gasoline engine or a diesel engine as power, and depends on the hydraulic unit of the external power supply, so that the power unit is complex in structure, large in size and inconvenient to carry, and the hydraulic units adopting the diesel engine and the gasoline engine have the defects of unstable power, incomplete fuel combustion, environmental pollution, large size and the like.
When the double-acting oil cylinder is operated in the field or at high altitude, a power unit adopting a socket power supply or a diesel engine cannot be suitable for the working conditions. Therefore, the portable electric hydraulic pump with the battery is developed, the using problem under the special working conditions can be solved, and meanwhile, the functions of maximum working pressure regulation and flow rate regulation can be met.
Disclosure of Invention
The utility model discloses a portable stepless speed regulation electric hydraulic pump of electrified pond according to prior art's not enough. The utility model aims at providing a portable stepless speed regulation electric hydraulic pump of electrified pond to solve the hydraulic power use problem under the above-mentioned special operating mode.
The utility model discloses a following technical scheme realizes:
the portable stepless speed regulation electric hydraulic pump with the battery comprises a hydraulic unit, a main controller, a servo motor and a battery unit; the method is characterized in that:
the hydraulic unit comprises a fully-closed oil tank for containing hydraulic oil, a plunger pump is arranged in the oil tank and is in driving connection with a servo motor arranged on an oil tank shell, an output pipeline of the plunger pump is connected with a two-position four-way valve arranged on the oil tank shell, and an oil return pipeline of the hydraulic unit is communicated with an oil return tank through the two-position four-way valve; the servo motor is connected with the lithium battery module in a replaceable manner.
The two-position four-way valve is arranged on a fixed valve seat, the fixed valve seat is arranged on the upper surface of an oil tank, an oil inlet and outlet loop pipeline is arranged in the fixed valve seat, two passages on the side of an oil tank of the two-position four-way valve are respectively an oil outlet passage of a plunger pump and an oil passage for returning oil from the outside to the oil tank, and two passages on the other side are provided with two quick connectors which are respectively connected with two oil cavities of a double-acting oil cylinder.
And the fixed valve seat is provided with a pressure regulating valve and a pressure sensor which are uniformly distributed between the output oil path of the plunger pump and the oil path of the two-position four-way valve.
The servo motor is covered and protected by a motor protection shell and is fixed on the oil tank shell and is connected with the main controller in a control mode.
The main controller is in signal connection with the pressure sensor.
The utility model discloses the device adopts the lithium cell to provide hydraulic power for electric hydraulic pump when the field need not stop transport or high altitude construction. The hydraulic unit can realize stepless speed regulation and can provide hydraulic oil power with proper flow according to different loads.
The utility model discloses beneficial effect: the utility model can provide hydraulic power for the oil cylinder in the environment without external power supply; the hydraulic unit can be subjected to stepless speed regulation according to the change of the load, so that adaptive discharge flow is provided under different loads; the maximum working pressure of the system can be adjusted to adapt to different working pressure requirements; the double-acting oil cylinder can be driven to do reciprocating motion. The utility model discloses a servo motor carries out stepless speed regulation in order to satisfy power pack's energy saving and consumption reduction, and make full use of lithium cell is done workmanship, makes the electric hydraulic pump can possess higher work efficiency and duty cycle.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
fig. 2 is a schematic diagram of a hydraulic circuit of the hydraulic system of the present invention.
In the drawing, 1 is a battery unit, 2 is a battery controller, 3 is a handle, 4 is a motor protection case, 5 is a two-position four-way valve, 6 is a tank cap, 7 is a fixed valve seat, 8 is a quick connector, 9 is a tank, 10 is a pressure regulating valve, 11 is a pressure sensor, 12 is a switch control line, 13 is a plunger pump, and 14 is a servo motor.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.
With reference to the attached drawings.
The portable stepless speed regulation electric hydraulic pump comprises a hydraulic unit, a pressure sensor 11, a main controller, a servo motor 14 and a battery unit 1.
The hydraulic unit comprises a quantitative plunger pump 13, a two-position four-way valve 5 and a pressure regulating valve 10. The quantitative plunger pump 13 is used for outputting hydraulic oil and can adjust the flow of an oil path according to the rotating speed of the quantitative plunger pump; the two-position four-way valve 5 is used for reversing an output oil path and an oil return oil path to realize the reversing adjustment of the reciprocating motion of the double-acting oil cylinder operation; the pressure regulating valve 10 is used for maximum pressure regulation of the output oil passage.
The pressure sensor 11 is used for detecting the real-time oil pressure during the operation of the hydraulic unit and transmitting the real-time output pressure data to the main controller;
and the main controller is used for receiving the real-time rotating speed data of the servo motor 14 and the real-time pressure data of the pressure sensor 11, analyzing the real-time responsible pressure data according to program setting, outputting a rotating speed control signal in real time, checking the real-time rotating speed of the motor and controlling the servo motor 14 to be driven to reach the set rotating speed.
And the servo motor 14 is used for receiving the rotating speed control signal of the main controller and transmitting the instant rotating speed data to the main controller. And the servo motor 14 drives the rotary operation of the quantitative plunger pump 13.
And the battery unit 1 is used for supplying power to the servo motor 14 and the main controller and inquiring and displaying the battery residue in real time.
When the power unit works, the main controller controls and drives the servo motor 14 to drive the plunger pump 13 to work in real time according to the acquired real-time pressure data, and the stepless speed regulation function of the flow under different load conditions is realized.
Fig. 1 is a schematic view of an embodiment of an electric hydraulic pump according to the present invention. The utility model discloses a servo motor 14 is hidden in motor protective housing 4, and high-pressure plunger pump 13 is hidden in oil tank 9, for showing these characteristics, all obtains embodying in the hydraulic circuit. The main controller is a controller matched with the servo motor 14 and is integrated with the servo motor 14.
Fig. 2 is a hydraulic circuit diagram of an electric hydraulic pump according to an embodiment of the present invention. In the drawings, the hydraulic circuit diagram is simplified for explaining the features of the present invention, and for example, a pipeline or the like incorporating a safety relief valve is omitted.
Referring to fig. 1 and 2, as shown, the portable stepless speed-regulating electric hydraulic pump includes: the device comprises a battery unit 1, a battery controller 2, a portable handle 3, a motor protective shell 4, a two-position four-way valve 5, an oil tank cover 6, a fixed valve seat 7, a quick joint 8, an oil tank 9, a pressure regulating valve 10, a pressure sensor 11, a switch control line 12, a high-pressure plunger pump 13 and a servo motor 14. Wherein, two-position four-way valve 5, quick-operation joint 8, pressure regulating valve 10, pressure sensor 11 concentrate on the fixed valve seat 7, the servomotor 14 links to each other with high-pressure plunger pump 13.
The working process is as follows: firstly, the control line of the double-acting cylinder is connected with the switch control line 12, the quick joint of the double-acting cylinder is connected with the upper quick joint 8, and the battery controller 2 is pressed to start the power supply, thus completing the preparation work. The one-way control button of the double-acting cylinder is pressed, the servo motor 14 and the main controller are electrified, the hydraulic oil circuit operates, the double-acting cylinder realizes one-way movement or pressure maintaining, the reverse control button of the double-acting cylinder is pressed, the reverse movement or the pressure maintaining of the other side of the double-acting cylinder can be realized, and the maximum working pressure can be adjusted by the pressure adjusting valve 10 in the movement or pressure maintaining process of the double-acting cylinder; in the working process, the main controller adjusts the rotating speed of the servo motor 14 by acquiring pressure data acquired by the pressure sensor 11 in real time, so as to drive the flow output change of the high-pressure plunger pump 13, and realize the stepless adjustment of the flow of the system along with the pressure output change.
Claims (5)
1. A portable stepless speed regulation electric hydraulic pump with a battery comprises a hydraulic unit, a main controller, a servo motor and a battery unit; the method is characterized in that: the hydraulic unit comprises a fully-closed oil tank for containing hydraulic oil, a plunger pump is arranged in the oil tank and is in driving connection with a servo motor arranged on an oil tank shell, an output pipeline of the plunger pump is connected with a two-position four-way valve arranged on the oil tank shell, and an oil return pipeline of the hydraulic unit is communicated with an oil return tank through the two-position four-way valve; the servo motor is connected with the lithium battery module in a replaceable manner.
2. The portable stepless speed-regulating electric hydraulic pump with the battery according to claim 1 is characterized in that: the two-position four-way valve is arranged on a fixed valve seat, and the fixed valve seat is arranged on the upper surface of the oil tank; for business turn over oil return circuit pipeline in the standing valve seat, include: the two-position four-way valve is connected with a plunger pump output oil path, an oil return pipeline path and two quick connectors for connecting two oil cavity paths of the double-acting oil cylinder.
3. The portable stepless speed-regulating electric hydraulic pump with the battery according to claim 2, is characterized in that: and the fixed valve seat is provided with a pressure regulating valve and a pressure sensor which are uniformly distributed between the output oil path of the plunger pump and the oil path of the two-position four-way valve.
4. The portable stepless speed-regulating electric hydraulic pump with the battery according to claim 2, is characterized in that: the servo motor is covered and protected by a motor protection shell and is fixed on the oil tank shell and is connected with the main controller in a control mode.
5. The portable stepless speed-regulating electric hydraulic pump with the battery according to claim 2, is characterized in that: the main controller is in signal connection with the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022768970.XU CN213981486U (en) | 2020-11-26 | 2020-11-26 | Portable stepless speed regulation electric hydraulic pump with battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022768970.XU CN213981486U (en) | 2020-11-26 | 2020-11-26 | Portable stepless speed regulation electric hydraulic pump with battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981486U true CN213981486U (en) | 2021-08-17 |
Family
ID=77267130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022768970.XU Active CN213981486U (en) | 2020-11-26 | 2020-11-26 | Portable stepless speed regulation electric hydraulic pump with battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981486U (en) |
-
2020
- 2020-11-26 CN CN202022768970.XU patent/CN213981486U/en active Active
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