CN112377480A - Novel hydraulic power unit structure - Google Patents
Novel hydraulic power unit structure Download PDFInfo
- Publication number
- CN112377480A CN112377480A CN202011470454.7A CN202011470454A CN112377480A CN 112377480 A CN112377480 A CN 112377480A CN 202011470454 A CN202011470454 A CN 202011470454A CN 112377480 A CN112377480 A CN 112377480A
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- China
- Prior art keywords
- pump
- valve
- manual
- electric pump
- electric
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/002—Electrical failure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a novel hydraulic pump station structure, which comprises an electric pump device, wherein the electric pump device comprises an integrated valve body, a stacked safety overflow valve, an electromagnetic directional valve and a stacked one-way valve, which are arranged on a box body; the stacked safety overflow valve, the electromagnetic directional valve and the stacked one-way valve are opened and closed by remote control; a manual pump is independently arranged on the electric pump and is connected with a reversing valve of the manual pump, an electric pump pressure gauge is arranged on one side of the electric pump, and a mechanical pressure switch is arranged on one side of the manual pump; the pump station is simple to operate and stable and reliable to operate; a superposed safety overflow valve and a mechanical pressure switch are arranged to ensure the safety of operation; the pump station is provided with the manual pump which can be operated manually under special conditions, the manual pump and the electric pump are separated independently, the manual pump and the electric pump can be guaranteed to be used independently through the hydraulic control one-way valve, and the operation is flexible.
Description
Technical Field
The invention relates to the field of hydraulic equipment, in particular to a novel hydraulic pump station structure.
Background
The hydraulic power pump station is a pump station for providing hydraulic power in a hydraulic system, generally adopts hydraulic oil meeting the requirements of the hydraulic system as a medium, and sends the medium meeting the requirements of flow and pressure to be used by the hydraulic system by a prime power (a motor or other power) through a pump (a vane pump, a gear pump, a rotary pump, a plunger pump and the like); the working principle is as follows: the hydraulic pressure that is driven the hydraulic pump by the motor and extrudes is reduced to operating pressure through the relief pressure valve after, is connected with hydraulic line through the oil-out, provides hydraulic drive power for the pneumatic cylinder of hydraulic control valves, and the oil return jing hydraulic line of pneumatic cylinder returns the pump station oil return opening, returns the oil tank behind the oil return filter. The hydraulic pump station can be widely used in concrete mixing plant, asphalt mixing plant and other industrial and mining industries needing hydraulic source, and uses 46# antiwear hydraulic oil as medium.
In the current hydraulic power pump station in-service use process, there are the controllability not high, the security is not high and the single problem of operation, and this patent improves traditional hydraulic power pump station structure.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a novel hydraulic pump station structure.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a novel hydraulic power unit structure, includes the electric pump device, the electric pump device is including installing integrated valve body, stack formula safety overflow valve, the magenetic exchange valve on the box, stack formula check valve.
Furthermore, a manual pump is independently installed on the electric pump device and is connected with a reversing valve of the manual pump.
Further, one side of the electric pump device is provided with an electric pump pressure gauge.
Further, one side of the manual pump is provided with a mechanical pressure switch.
Further, an oil return filter screen and a manual oil pumping filter screen are installed in the box body.
Further, the top of the structure is provided with an electric oil pumping filter screen and an oil filling valve.
The invention has the beneficial effects that: the pump station is simple to operate and stable and reliable to operate; a superposed safety overflow valve and a mechanical pressure switch are arranged to ensure the safety of operation; the pump station is provided with the manual pump which can be operated manually under special conditions, the manual pump and the electric pump are separated independently, the manual pump and the electric pump can be guaranteed to be used independently through the hydraulic control one-way valve, and the operation is flexible.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a wiring diagram of the pressure switch of the present invention.
Detailed Description
As shown in fig. 1 and 2, the novel hydraulic pump station structure comprises an electric pump device, wherein the electric pump device comprises an integrated valve body 1, a stacked safety overflow valve 2, an electromagnetic directional valve 3 and a stacked one-way valve 6, which are arranged on a box body; the overlapped safety overflow valve 2, the electromagnetic directional valve 3 and the overlapped one-way valve 6 are opened and closed by remote control.
Furthermore, a manual pump 5 is independently installed on the electric pump device, and the manual pump 5 is connected with a manual pump reversing valve 4.
One side of the electric pump device is provided with an electric pump pressure gauge 8. A mechanical pressure switch 7 is installed at one side of the manual pump 5. An oil return filter screen 9 and a manual oil pumping filter screen 10 are arranged in the box body. The top of the structure is provided with an electric oil pumping filter screen 11 and an oil filling valve 12.
The technical parameters of the patent are as follows:
the installation and debugging of each valve group are as follows:
1. the electric pump is fixed in place and the mounting bolts are tightened. And an oil outlet of the pump station is connected with an oil inlet of the oil cylinder by using a qualified hydraulic oil pipe, so that the matching consistency and the connection firmness of the connecting thread specification and the connector model are ensured.
2. The power supply is properly connected and the use of the power supply is confirmed from the motor and the electromagnetic directional valve label. And unscrewing an oil filling cover above the pump barrel, adding clean hydraulic oil into the oil tank through an oil filling filter screen, and paying attention to check the height of the oil level displayed by an oil level gauge at an oil filling port. (oil level at least above oil level indicator 2/3)
3. And (5) inching the starting motor, and observing whether the rotating direction of the motor is consistent with the marked arrow on the fan cover.
4. And starting the pump, and observing whether all the connecting pipes leak or not when the pump is subjected to pressure maintaining and reversing.
5. The pressure switch wiring method (connect signal indicator lamp or hydraulic motor power switch, this system sends the signal indicator lamp to light when exceeding the rated pressure, or cut off the hydraulic motor power and stop the system work automatically), while working for the second time, open the hydraulic motor power switch. Note: the hydraulic motor must use a contactor.
6. The pressure switch wiring method (connect signal indicator lamp or hydraulic motor power switch, this system sends the signal indicator lamp to light when exceeding the rated pressure, or cut off the hydraulic motor power and stop the system work automatically), while working for the second time, open the hydraulic motor power switch. Among them, the hydraulic motor must use a contactor.
In addition, when the electric pump is used, the handle of the manual pump reversing valve 4 needs to be placed in the middle position. The manual pump 5 is not used simultaneously with the electric pump, and when one of the pump sets is used, the other pump set is stopped.
As shown in fig. 3, the connection method of the mechanical pressure switch 7 is as follows: when the system exceeds the rated pressure, the signal indicator lamp is sent to light, or the power supply of the hydraulic motor is cut off to automatically stop the system, and when the system works for the second time, the power switch of the hydraulic motor is started.
The common fault phenomenon and the elimination method of the patent are as follows:
in conclusion, the pump station is simple to operate and stable and reliable to operate; a superposed safety overflow valve and a mechanical pressure switch are arranged to ensure the safety of operation; the pump station is provided with the manual pump which can be operated manually under special conditions, the manual pump and the electric pump are separated independently, the manual pump and the electric pump can be guaranteed to be used independently through the hydraulic control one-way valve, and the operation is flexible.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a novel hydraulic power unit structure, its characterized in that, includes the electric pump device, the electric pump device is including installing integrated valve body, stack formula safety overflow valve, magenetic exchange valve, stack formula check valve on the box.
2. The novel hydraulic pump station structure according to claim 1, wherein a manual pump is independently installed on the electric pump device, and the manual pump is connected with a reversing valve of the manual pump.
3. The novel hydraulic pump station structure according to claim 1, wherein an electric pump pressure gauge is installed on one side of the electric pump device.
4. The novel hydraulic pump station structure according to claim 2, wherein a mechanical pressure switch is installed on one side of the manual pump.
5. The novel hydraulic pump station structure according to claim 2, characterized in that an oil return filter screen and a manual oil pumping filter screen are installed in the tank body.
6. The novel hydraulic pump station structure according to claim 2, characterized in that an electric oil pumping filter screen and an oil filling valve are installed at the top of the structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470454.7A CN112377480A (en) | 2020-12-15 | 2020-12-15 | Novel hydraulic power unit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470454.7A CN112377480A (en) | 2020-12-15 | 2020-12-15 | Novel hydraulic power unit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112377480A true CN112377480A (en) | 2021-02-19 |
Family
ID=74589774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011470454.7A Pending CN112377480A (en) | 2020-12-15 | 2020-12-15 | Novel hydraulic power unit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112377480A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915120A (en) * | 2021-11-02 | 2022-01-11 | 张青军 | Glass fiber reinforced plastic profile hydraulic pump |
-
2020
- 2020-12-15 CN CN202011470454.7A patent/CN112377480A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915120A (en) * | 2021-11-02 | 2022-01-11 | 张青军 | Glass fiber reinforced plastic profile hydraulic pump |
| CN113915120B (en) * | 2021-11-02 | 2023-09-01 | 河北盛宝环保设备有限公司 | Hydraulic pump for glass fiber reinforced plastic section bar |
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