CN209414287U - A kind of hydraulic power unit oil cylinder integral structure - Google Patents
A kind of hydraulic power unit oil cylinder integral structure Download PDFInfo
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- CN209414287U CN209414287U CN201822045894.2U CN201822045894U CN209414287U CN 209414287 U CN209414287 U CN 209414287U CN 201822045894 U CN201822045894 U CN 201822045894U CN 209414287 U CN209414287 U CN 209414287U
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- oil cylinder
- valve
- hydraulic pump
- power unit
- integral structure
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Abstract
The utility model relates to a kind of power devices, more particularly, to a kind of hydraulic power unit oil cylinder integral structure.A kind of hydraulic power unit oil cylinder integral structure, valve body including being internally provided with fuel tank, the hydraulic pump being connected to fuel tank is provided on the valve body, for driving the motor of hydraulic pump feed flow, contactor and oil cylinder, the contactor is electrically connected with motor, oil cylinder is connected by oil duct on the hydraulic pump, check valve is provided on oil duct between the hydraulic pump and oil cylinder, it is sequentially connected on oil duct between the check valve and oil cylinder and is provided with the reversal valve for controlling runner on-off and the flow control valve for limiting oil cylinder lowering velocity, the fuel tank of the flow control valve one end and valve inner far from reversal valve connects.The utility model structure is simple, no external pipeline connector, clean and environmental protection.
Description
Technical field
The utility model relates to a kind of power devices, more particularly, to a kind of hydraulic power unit oil cylinder integral structure.
Background technique
In current Storage and circulation equipment, manual transport trolley still has a wide range of applications in the market, but due to artificial
Operation lifting, effort is time-consuming, has the tendency that being replaced by electrocar.Compare manual transport trolley, and electrocar need to tied
Do optimizes more in terms of structure, cost.
Electrocar on existing market, structure is complicated, and outer dimension is larger, is furnished with independent hydraulic oil container, peace mostly
Dress maintenance is inconvenient, and external connector, sebific duct have the risk of leakage, aging.
Utility model content
The utility model is primarily directed to the above problem, and it is simple to provide a kind of structure, no external pipeline connector, clean and environmental protection
Hydraulic power unit oil cylinder integral structure.
The purpose of this utility model is mainly to be achieved by following proposal: a kind of hydraulic power unit oil cylinder one
Formula structure, the valve body including being internally provided with fuel tank are provided with the hydraulic pump being connected to fuel tank on the valve body, for driving
Motor, contactor and the oil cylinder of hydraulic pump feed flow, the contactor are electrically connected with motor, pass through oil duct on the hydraulic pump
Oil cylinder is connected, check valve is provided on the oil duct between the hydraulic pump and oil cylinder, between the check valve and oil cylinder
It is sequentially connected on oil duct and is provided with the reversal valve for controlling runner on-off and the flow control for limiting oil cylinder lowering velocity
Valve, the fuel tank connection of the flow control valve one end and valve inner far from reversal valve.Valve inner is provided with fuel tank, valve
The hydraulic pump being connected to fuel tank, the motor for driving hydraulic pump feed flow, contactor and oil cylinder, contactor and electricity are provided on body
Mechatronics, contactor can manipulate the start and stop of motor, oil cylinder be connected by oil duct on hydraulic pump, between hydraulic pump and oil cylinder
It is provided with check valve on oil duct, is sequentially connected and is provided with for controlling changing for runner on-off on the oil duct between check valve and oil cylinder
Flow control valve to valve and for limiting oil cylinder lowering velocity, flow control valve one end and valve inner far from reversal valve
Fuel tank connection, when needing to lift weight, contactor controls contact closure, and motor, which starts running, drives hydraulic pump feed flow, high pressure
Oil enters oil cylinder by check valve, oil duct, so that the piston rod inside oil cylinder stretches out, realizes that vehicle frame pallet lifts weight；When need
The stopping time in cargo is wanted, contactor is disconnected and controls contact, motor stalls, and hydraulic oil can be inner elements of check valve, reversal valve valve in oil cylinder
Core fastens on valve body, realizes locked pressure maintaining, keeps cargo height；When transferring weight, reversal valve is opened, hydraulic oil in oil cylinder
It flowing back in the fuel tank of valve body by internal oil duct, reversal valve, flow control valve, inner elements of check valve fastens on valve body at this time,
The decrease speed of piston rod can be adjusted by flow control valve.
Preferably, the reversal valve is hand-operated direction valve, servomotor driven change valve or solenoid directional control valve.Reversal valve is manual
Reversal valve, servomotor driven change valve or solenoid directional control valve, convenient for adjusting the flow direction of internal oil.
Preferably, being provided with the locking device for preventing oil cylinder from loosening between the oil cylinder and valve body.Oil cylinder with
The locking device for preventing oil cylinder from loosening is provided between valve body, the design of locking device can prevent oil cylinder multiple, long
It is loosened in time operation, can reach reliable locking.
Preferably, the locking device includes the connection ring and rubber being arranged on valve body for connecting with oil cylinder
Circle.Locking device includes that the connection ring for being used to connect with oil cylinder on valve body and rubber ring, the setting of connection ring is arranged in mention
Stability when high oil cylinder is connect with valve body, the design of rubber ring is stablized using the sealing that can be realized between oil cylinder and valve body to be connected
It connects, prevents oil cylinder from loosening.
Preferably, be provided with overflow valve on oil duct between the check valve and hydraulic pump, the overflow valve with
The fuel tank of valve inner connects.It is provided with overflow valve on oil duct between check valve and hydraulic pump, overflow valve and valve inner
Fuel tank connection, level pressure overflow, pressure stabilizing, system unloaded and safeguard protection effect are played in the setting of overflow valve, if overflow valve is set
Pressure is less than actual pressure, rotates clockwise adjusting screw rod, increases pressure value；If setting pressure is more than system safe pressure
When, adjusting screw rod is rotated counterclockwise, reduces pressure value.
Therefore, a kind of hydraulic power unit oil cylinder integral structure of the utility model has following advantages: this is practical new
Type is integrally formed system liquid in-out using valve inner pipeline, saves the intermediate links such as connector sebific duct, so that overall structure is simple
Single compact, without the leak source that leaks, securely and reliably, structure is simple, no external pipeline connector, clean and environmental protection.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model.
Attached drawing 2 is the partial sectional view of the utility model.
Attached drawing 3 is the hydraulic schematic diagram of the utility model.
It illustrates: 1- valve body, 2- hydraulic pump, 3- motor, 4- contactor, 5- oil cylinder, 6- flow control valve, 7- commutation
Valve, 8- check valve, 9- overflow valve, 10- oil duct, 11- piston rod, 12- rubber ring, 13- connection ring.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figure 1, 2, 3, a kind of hydraulic power unit oil cylinder integral structure, the valve body including being internally provided with fuel tank
1, the hydraulic pump 2 being connected to fuel tank, the motor 3 for driving 2 feed flow of hydraulic pump, contactor 4 and oil cylinder 5 are provided on valve body 1,
Contactor 4 is electrically connected with motor 3, and contactor 4 can manipulate the start and stop of motor 3, is passed through oil duct 10 on hydraulic pump 2 and is connected oil cylinder 5,
It is provided with check valve 8 on oil duct between hydraulic pump 2 and oil cylinder 5, is sequentially connected and sets on the oil duct between check valve 8 and oil cylinder 5
It is equipped with the reversal valve 7 for controlling runner on-off and the flow control valve 6 for limiting 5 lowering velocity of oil cylinder, flow control valve 6
The fuel tank of one end and valve inner far from reversal valve 7 connects, and when needing to lift weight, contactor 4 controls contact closure, electricity
Machine 3, which starts running, drives 2 feed flow of hydraulic pump, and high pressure oil enters oil cylinder 5 by check valve 8, oil duct, so that the work inside oil cylinder 5
Stopper rod 11 stretches out, and realizes that vehicle frame pallet lifts weight；When needing the stopping time in cargo, disconnects contactor 4 and control contact, motor 3 stops
Turn, hydraulic oil can fasten 8 spool of check valve, 7 spool of reversal valve on valve body in oil cylinder 5, realize locked pressure maintaining, keep cargo
Highly；When transferring weight, reversal valve 7 is opened, and hydraulic oil passes sequentially through internal oil duct, reversal valve 7, flow control in oil cylinder 5
Valve 6 processed flows back in the fuel tank of valve body, and the spool of check valve 8 fastens on valve body at this time, and the decrease speed of piston rod 11 can lead to
Overcurrent control valve 6 is adjusted；Overflow valve 9 is provided on oil duct between check valve 8 and hydraulic pump 2, in overflow valve 9 and valve body
The fuel tank in portion connects, and level pressure overflow, pressure stabilizing, system unloaded and safeguard protection effect are played in the setting of overflow valve 9, if overflow valve
9 setting pressure are less than actual pressure, rotate clockwise adjusting screw rod, increase pressure value；If setting pressure is more than system safety
When pressure, adjusting screw rod is rotated counterclockwise, reduces pressure value.
Reversal valve 7 is hand-operated direction valve 7, servomotor driven change valve 7 or solenoid directional control valve 7, convenient for adjusting the flow direction of internal oil.
The locking device for preventing oil cylinder 5 from loosening is provided between oil cylinder 5 and valve body, locking device includes being arranged in valve
Connection ring 13 and rubber ring 12, the setting of connection ring 13 on body for connecting with oil cylinder 5 can be improved oil cylinder 5 and connect with valve body
When stability, the design of rubber ring 12 is stably connected with using the sealing that can be realized between oil cylinder 5 and valve body, prevents oil cylinder 5
It loosens.
It should be understood that the embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.Furthermore
It should be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model various
Change or modification, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (5)
1. a kind of hydraulic power unit oil cylinder integral structure, which is characterized in that the valve body including being internally provided with fuel tank, it is described
Valve body on be provided with the hydraulic pump being connected to fuel tank, the motor for driving hydraulic pump feed flow, contactor and oil cylinder, it is described
Contactor is electrically connected with motor, connects oil cylinder by oil duct on the hydraulic pump, the oil between the hydraulic pump and oil cylinder
It is provided with check valve on road, is sequentially connected and is provided with for controlling runner on-off on the oil duct between the check valve and oil cylinder
Reversal valve and flow control valve for limiting oil cylinder lowering velocity, the one end of the flow control valve far from reversal valve with
The fuel tank of valve inner connects.
2. a kind of hydraulic power unit oil cylinder integral structure according to claim 1, which is characterized in that the commutation
Valve is hand-operated direction valve, servomotor driven change valve or solenoid directional control valve.
3. a kind of hydraulic power unit oil cylinder integral structure according to claim 1, which is characterized in that the oil cylinder
The locking device for preventing oil cylinder from loosening is provided between valve body.
4. a kind of hydraulic power unit oil cylinder integral structure according to claim 3, which is characterized in that described is locking
Device includes the connection ring and rubber ring being arranged on valve body for connecting with oil cylinder.
5. a kind of hydraulic power unit oil cylinder integral structure according to claim 1 or 2 or 3 or 4, which is characterized in that
Overflow valve, the fuel tank company of the overflow valve and valve inner are provided on oil duct between the check valve and hydraulic pump
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822045894.2U CN209414287U (en) | 2018-12-06 | 2018-12-06 | A kind of hydraulic power unit oil cylinder integral structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822045894.2U CN209414287U (en) | 2018-12-06 | 2018-12-06 | A kind of hydraulic power unit oil cylinder integral structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414287U true CN209414287U (en) | 2019-09-20 |
Family
ID=67936953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822045894.2U Active CN209414287U (en) | 2018-12-06 | 2018-12-06 | A kind of hydraulic power unit oil cylinder integral structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414287U (en) |
-
2018
- 2018-12-06 CN CN201822045894.2U patent/CN209414287U/en active Active
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