CN209456009U - Garage parking hydraulic power unit - Google Patents
Garage parking hydraulic power unit Download PDFInfo
- Publication number
- CN209456009U CN209456009U CN201822271584.2U CN201822271584U CN209456009U CN 209456009 U CN209456009 U CN 209456009U CN 201822271584 U CN201822271584 U CN 201822271584U CN 209456009 U CN209456009 U CN 209456009U
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- oil
- valve
- gear pump
- check valve
- pump
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Abstract
It may be implemented not alter oil, high synchronism, stable two-way lifting garage parking power unit the utility model relates to a kind of.The garage parking hydraulic power unit, which uses, is fixed with motor at the rear flange end of the pump seat, forward flange end is equipped with pump seat oil inlet, duplex gear pump is fixed on the flange face of pump seat oil inlet position, the input shaft of duplex gear pump is connected with the output shaft of motor by shaft coupling, oil inlet pipe is equipped in duplicate gear pump postoperculum, oil inlet pipe end installs oil absorption filter, and pump seat flange face is equipped with oil return pipe, and oil inlet pipe and oil return pipe are located in fuel tank.The utility model uses highly integrated hydraulic valve block, and balance when lifting is kept using duplex gear pump, decline balance is kept using flow divider-combiner, it prevents from altering oil using check valve, the features such as eliminating complicated mechanical equilibrator for hoisting system, while possessing small in size, at low cost, high reliablity；It may be implemented not alter oil, high synchronism, stable two-way lifting garage parking power unit.
Description
Technical field
It may be implemented not alter oil, high synchronism, stable two-way lifting garage parking power the utility model relates to a kind of
Unit.
Background technique
Most lifting only one oil outlet of class hydraulic system on domestic market, are lifted by three-way connection and twin columns
The machine of liter is connected, and balance when lifting is kept by the mechanical device on double-column lifter, but this kind of hoisting system structure
Complicated, bulky, weight weight, that there is maintenances is inconvenient, can not move, cannot use in the compact place of narrow space
Disadvantage；Minority lifting class hydraulic systems are two-way using the throttle valve oil of getting gear pump is shunted, respectively with lifting equipment
Two oil cylinders be connected, balance when lifting and decline is controlled using throttle valve is shunted, hoisting system no longer needs complicated
Mechanical structure keeps balancing, and solves the problems, such as that system structure is complicated, bulky, weight weight, but due to system only by
One gear oil pump feed, two-way hydraulic oil be not it is independent, they can influence each other, that is, exist alter oily phenomenon, this greatly
Ground affects the stability of system, cannot apply in the system more demanding to synchronism.
Summary of the invention
In place of the purpose of this utility model is to overcome above-mentioned deficiency, a kind of garage parking hydraulic power unit is provided, to have
Effect ground separates the oil circuit of two oil cylinders, may be implemented not alter oil, synchronism, stable two-way lifting garage parking power list
Member.
According to technical solution provided by the utility model, the garage parking hydraulic power unit includes fuel tank, oil suction filtering
Device, motor, duplex gear pump, oil inlet pipe, oil return pipe, shaft coupling and pump seat are fixed with motor at the rear flange end of the pump seat,
Forward flange end is equipped with pump seat oil inlet, is fixed with duplex gear pump on the flange face of pump seat oil inlet position, duplex gear pump
Input shaft is connected with the output shaft of motor by shaft coupling, is equipped with oil inlet pipe, the installation of oil inlet pipe end in duplicate gear pump postoperculum
Oil absorption filter, pump seat flange face are equipped with oil return pipe, and oil inlet pipe and oil return pipe are located in fuel tank.
The first check valve, second one-way valve, third are provided on the pump seat as a further improvement of the utility model,
Check valve, the 4th check valve, the first system overflow valve, second system overflow valve, flow divider-combiner, unloading electromagnetic valve and flow are mended
Throttle valve is repaid, the first oil outlet and the second oil outlet are set on pump seat, and the first system overflow valve passes through piping connection respectively
Fuel tank and the first check valve, first check valve pass through piping connection duplex gear pump and third check valve, the first check valve
And pass through the first oil outlet of pipeline connection;The third check valve is connect by pipeline with flow divider-combiner, the oil suction filtering
Device passes through piping connection fuel tank and duplex gear pump respectively, and the second system overflow valve passes through piping connection fuel tank and respectively
Two check valves, the second one-way valve are passed through by piping connection duplex gear pump and the 4th check valve, the second one-way valve
The second oil outlet of pipeline connection, the 4th check valve are connect by pipeline with flow divider-combiner, the flow-compensated throttle valve
Respectively by piping connection fuel tank and unloading electromagnetic valve, the unloading electromagnetic valve passes through piping connection flow divider-combiner.
Compared with the prior art the utility model has the advantage that
The utility model is compact-sized, reasonable, which uses highly integrated hydraulic valve block, lifts with common two-way
The balance that class power unit is different, when lifting using duplex gear pump holding is risen, decline balance is kept using flow divider-combiner, makes
It is prevented from altering oil with check valve；Complicated mechanical equilibrator is eliminated for hoisting system, at the same possess it is small in size, at low cost, can
The features such as high by property.Currently used for indoor parking garage lifting equipment, may be implemented not alter oil, high synchronism, stable two-way act
It rises and uses garage parking power unit.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the hydraulic schematic diagram of the utility model.
Description of symbols
Fuel tank 1, oil absorption filter 2, motor 3, the first system overflow valve 4, second system overflow valve 5, the first check valve 7,
Second one-way valve 8, third check valve 9, the 4th check valve 10, flow divider-combiner 11, unloading electromagnetic valve 12, flow-compensated throttle valve
13, oil inlet pipe 14, oil return pipe 15, shaft coupling 16 and pump seat 17.
Specific embodiment
The utility model will be further described in conjunction with the embodiment in attached drawing below:
As shown in Figure 1, the utility model garage parking hydraulic power unit include fuel tank 1, it is oil absorption filter 2, motor 3, double
Join gear pump 6, oil inlet pipe 14, oil return pipe 15, shaft coupling 16 and pump seat 17.
It is fixed with motor 3 at the rear flange end of the pump seat 17, forward flange end is equipped with pump seat oil inlet, in pump seat oil inlet
Be fixed on the flange face of position duplex gear pump 6 (two pump same displacements, and control fuel-displaced synchronism), duplex gear pump 6 it is defeated
Enter axis and be connected with the output shaft of motor 3 by shaft coupling 16, is equipped with oil inlet pipe 14,14 end of oil inlet pipe in duplicate gear pump postoperculum
Oil absorption filter 2 is installed, pump seat flange face is equipped with oil return pipe 15, and oil inlet pipe 14 and oil return pipe 15 are located in fuel tank 1.
As shown in Fig. 2, being provided with the first check valve 7, second one-way valve 8, third check valve 9, on the pump seat 17
Four check valves 10, the first system overflow valve 4, second system overflow valve 5, flow divider-combiner 11, unloading electromagnetic valve 12 and flow are mended
Throttle valve 13 is repaid, the first oil outlet A and the second oil outlet B are set on pump seat 17.
The first system overflow valve 4 passes through piping connection fuel tank 1 and the first check valve 7, first check valve 7 respectively
By piping connection duplex gear pump 6 and third check valve 9, the first check valve 7 simultaneously passes through the first oil outlet of pipeline connection A;Institute
It states third check valve 9 to connect by pipeline with flow divider-combiner 11, the oil absorption filter 2 passes through piping connection fuel tank 1 respectively
With duplex gear pump 6, the second system overflow valve 5 is respectively by piping connection fuel tank 1 and second one-way valve 8, and described second
Check valve 8 passes through pipeline connection second by piping connection duplex gear pump 6 and the 4th check valve 10, the second one-way valve 8
Oil outlet B, the 4th check valve 10 are connect by pipeline with flow divider-combiner 11, and the flow-compensated throttle valve 13 leads to respectively
Piping connection fuel tank 1 and unloading electromagnetic valve 12 are crossed, the unloading electromagnetic valve 12 passes through piping connection flow divider-combiner 11.
The specific working principle is as follows for the utility model:
The lifting stage: powering on for motor 3, motor 3 it is electric after start, by shaft coupling 16 drive duplex gear pump 6,
The oil suction from fuel tank 1 of duplex gear pump 6, oil liquid through oil absorption filter 2 and oil inlet pipe 14 by duplex gear pump 6, and from duplex-gear
Two oil outlets of wheel pump respectively enter in two oil circuits of pump seat 17, electric at this time by the first check valve 7, second one-way valve 8
Magnetic unloading valve 12 is not powered on, and is in closed state, oil liquid is fuel-displaced from the first oil outlet A and the second oil outlet B respectively, into lifting
In two oil cylinders of equipment.Balance when system lifts in this process guarantees by duplex gear pump, third check valve 9, the
Four check valves 10, which can be effectively prevented, alters oil, and the first system overflow valve 4, second system overflow valve 5 play the role of protecting oil circuit.
Decline stage: disconnecting the power supply of motor 3, and motor 3 stops working, and system is in state of pressure keeping；It is when needing to decline
The coil of unloading electromagnetic valve 12 is powered, and unloading electromagnetic valve 12 is opened, and the oil liquid of the first oil outlet A and the second oil outlet B lead to respectively
Third check valve 9, the 4th check valve 10 are crossed into flow divider-combiner 11, passes through flow divider-combiner 11, unloading electromagnetic valve 12 and stream
Enter fuel tank after amount compensation throttle valve 13.Balance when system declines in this process is guaranteed by flow divider-combiner 11, is declined
Speed is controlled by flow-compensated throttle valve 13.
Using duplicate gear oil pump feed, two check valves prevent from altering oil, can effectively separate the oil circuit of two oil cylinders
It opens, stability is higher compared with other power units of same type, and volume change is little, and the scope of application is wider.
Claims (2)
1. a kind of garage parking hydraulic power unit, it is characterized in that: including fuel tank (1), oil absorption filter (2), motor (3), duplex
Gear pump (6), oil inlet pipe (14), oil return pipe (15), shaft coupling (16) and pump seat (17),
It is fixed with motor (3) at the rear flange end of the pump seat (17), forward flange end is equipped with pump seat oil inlet, in pump seat oil inlet
It is fixed on the flange face of position duplex gear pump (6), the input shaft of duplex gear pump (6) and the output shaft of motor (3) pass through connection
Axis device (16) is connected, and is equipped with oil inlet pipe (14) in duplicate gear pump postoperculum, and oil absorption filter (2) are installed in oil inlet pipe (14) end,
Pump seat flange face is equipped with oil return pipe (15), and oil inlet pipe (14) and oil return pipe (15) are located in fuel tank (1).
2. garage parking hydraulic power unit as described in claim 1, it is characterized in that: being additionally provided with first on the pump seat (17)
Check valve (7), second one-way valve (8), third check valve (9), the 4th check valve (10), the first system overflow valve (4), the second system
It unites overflow valve (5), flow divider-combiner (11), unloading electromagnetic valve (12) and flow-compensated throttle valve (13), the first oil outlet and the
Two oil outlets are set on pump seat (17),
The first system overflow valve (4) is unidirectional by piping connection fuel tank (1) and the first check valve (7), described first respectively
Valve (7) simultaneously passes through pipeline connection first by piping connection duplex gear pump (6) and third check valve (9), the first check valve (7)
Oil outlet;The third check valve (9) is connect by pipeline with flow divider-combiner (11), and the oil absorption filter (2) is respectively
By piping connection fuel tank (1) and duplex gear pump (6), the second system overflow valve (5) passes through piping connection fuel tank respectively
(1) and second one-way valve (8), the second one-way valve (8) pass through piping connection duplex gear pump (6) and the 4th check valve
(10), for the second one-way valve (8) by the second oil outlet of pipeline connection, the 4th check valve (10) is by pipeline and shunts
Combiner valve (11) connection, the flow-compensated throttle valve (13) pass through piping connection fuel tank (1) and unloading electromagnetic valve (12) respectively,
The unloading electromagnetic valve (12) passes through piping connection flow divider-combiner (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271584.2U CN209456009U (en) | 2018-12-29 | 2018-12-29 | Garage parking hydraulic power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271584.2U CN209456009U (en) | 2018-12-29 | 2018-12-29 | Garage parking hydraulic power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209456009U true CN209456009U (en) | 2019-10-01 |
Family
ID=68043289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822271584.2U Active CN209456009U (en) | 2018-12-29 | 2018-12-29 | Garage parking hydraulic power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209456009U (en) |
-
2018
- 2018-12-29 CN CN201822271584.2U patent/CN209456009U/en active Active
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