阅读说明：本技术 简易升降立体停车设备液压控制系统 (Hydraulic control system of simple lifting three-dimensional parking equipment ) 是由 隋仕涛 许海亮 于 2019-11-14 设计创作，主要内容包括：本发明公开了一种简易升降立体停车设备液压控制系统,属于立体车库技术领域,包括至少两台并联在一起的电机油泵,电机油泵的进油口与油箱相连,电机油泵的出油口连接三位四通电磁换向阀的进油口,三位四通电磁换向阀的回油口与油箱相连,三位四通电磁换向阀的一个工作油口连接主控制油路,主控制油路上并联设有若干条支控制油路,每条支控制油路上均设有二位三通电磁换向阀,二位三通电磁换向阀的进油口与主控制油路相连,二位三通电磁换向阀的回油口连接油箱,二位三通电磁换向阀的工作油口连接相应简易升降立体停车设备上的单作用油缸。本发明解决了目前简易升降立体停车设备集中使用时成本高的技术问题,广泛应用于立体车库中。(The invention discloses a hydraulic control system of simple lifting three-dimensional parking equipment, which belongs to the technical field of three-dimensional garages and comprises at least two motor oil pumps which are connected in parallel, wherein the oil inlets of the motor oil pumps are connected with an oil tank, the oil outlets of the motor oil pumps are connected with the oil inlets of a three-position four-way electromagnetic directional valve, the oil return port of the three-position four-way electromagnetic directional valve is connected with the oil tank, one working oil port of the three-position four-way electromagnetic directional valve is connected with a main control oil path, a plurality of control oil paths are connected in parallel on the main control oil path, a two-position three-way electromagnetic directional valve is arranged on each control oil path, the oil inlet of the two-position three-way electromagnetic directional valve is connected with the main control oil path, the oil return port of the two-position three. The invention solves the technical problem of high cost when the existing simple lifting three-dimensional parking equipment is used in a centralized way, and is widely applied to the three-dimensional garage.)

1. The hydraulic control system of the simple lifting three-dimensional parking equipment is characterized by comprising at least two motor oil pumps which are connected in parallel, the oil inlet of the motor oil pump is connected with the oil tank, the oil outlet of the motor oil pump is connected with the oil inlet of the three-position four-way electromagnetic directional valve, an oil return port of the three-position four-way electromagnetic directional valve is connected with the oil tank, a working oil port of the three-position four-way electromagnetic directional valve is connected with a main control oil path, the other working oil port of the three-position four-way electromagnetic directional valve is blocked, a plurality of branch control oil paths are connected in parallel on the main control oil path, a two-position three-way electromagnetic directional valve is arranged on each branch control oil path, an oil inlet of the two-position three-way electromagnetic directional valve is connected with the main control oil way, an oil return port of the two-position three-way electromagnetic directional valve is connected with the oil tank, and a working oil port of the two-position three-way electromagnetic directional valve is connected with a single-acting oil cylinder on corresponding simple lifting three-dimensional parking equipment.

2. The hydraulic control system of simple lifting three-dimensional parking equipment according to claim 1, wherein a two-position two-way reversing valve is arranged between the three-position four-way electromagnetic reversing valve and the main control oil path, an oil inlet of the two-position two-way reversing valve is connected with a working oil port of the three-position four-way electromagnetic reversing valve, and an oil outlet of the two-position two-way reversing valve is connected with the main control oil path.

3. The hydraulic control system of simple lifting three-dimensional parking equipment according to claim 2, wherein each branch control oil path is provided with a two-position two-way electromagnetic directional valve, oil inlets of the two-position two-way electromagnetic directional valves are connected with the main control oil path, and oil outlets of the two-position two-way electromagnetic directional valves are connected with oil inlets of corresponding two-position three-way electromagnetic directional valves.

4. The hydraulic control system for the simple lifting three-dimensional parking equipment according to claim 3, wherein an oil inlet one-way throttle valve and an oil return one-way throttle valve are arranged between the two-position three-way electromagnetic directional valve and the single-acting oil cylinder, and the oil inlet one-way throttle valve and the oil return one-way throttle valve are connected in series.

Technical Field

The invention belongs to the technical field of stereo garages, and particularly relates to a hydraulic control system of simple lifting stereo parking equipment.

Background

The mechanical stereo garage plays an important role in relieving the problem of urban parking difficulty, and the accompanying lifting mechanical parking equipment becomes the type with the most development potential in the stereo parking equipment series products. The simple lifting three-dimensional parking equipment is a two-layer parking garage generally, a power device drives a car carrying plate to lift, two cars are parked at one parking space, and therefore the problem of parking difficulty is solved.

In the sky parking equipment that simply goes up and down, the car carrying board that the cantilever set up drives the elevating movement in the frame through controlling two hydraulic cylinder, every simply goes up and down sky parking equipment all need be equipped with one set of hydraulic system, every set of hydraulic system all realizes carrying the lift of car carrying board by independent motor oil pump, this kind of structure is fit for simply going up and down the sky equipment and independently uses the state, at present in many open air or underground parking garage, the volume of parking of generally using simply going up and down sky parking equipment in order to increase every parking stall, under this kind of occasion that uses more concentrate, every simply goes up and down sky parking equipment is equipped with one set of hydraulic system, independent motor oil pump drive just leads to manufacturing cost and use cost or even maintenance cost sharply increases.

Therefore, in the technical field of stereo garages, research and improvement needs still exist for a hydraulic control system of a simple lifting stereo parking device, which is a research hotspot and a focus in the technical field of the current stereo garages and is a starting point of the invention.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is as follows: the hydraulic control system of the simple lifting three-dimensional parking equipment is provided to solve the technical problem of high cost when the existing simple lifting three-dimensional parking equipment is used in a centralized manner.

In order to solve the technical problems, the technical scheme of the invention is as follows: a hydraulic control system of simple lifting three-dimensional parking equipment comprises at least two motor oil pumps which are connected in parallel, the oil inlet of the motor oil pump is connected with the oil tank, the oil outlet of the motor oil pump is connected with the oil inlet of the three-position four-way electromagnetic directional valve, an oil return port of the three-position four-way electromagnetic directional valve is connected with the oil tank, a working oil port of the three-position four-way electromagnetic directional valve is connected with a main control oil path, the other working oil port of the three-position four-way electromagnetic directional valve is blocked, a plurality of branch control oil paths are connected in parallel on the main control oil path, a two-position three-way electromagnetic directional valve is arranged on each branch control oil path, an oil inlet of the two-position three-way electromagnetic directional valve is connected with the main control oil way, an oil return port of the two-position three-way electromagnetic directional valve is connected with the oil tank, and a working oil port of the two-position three-way electromagnetic directional valve is connected with a single-acting oil cylinder on corresponding simple lifting three-dimensional parking equipment.

As an improvement, a two-position two-way reversing valve is arranged between the three-position four-way electromagnetic reversing valve and the main control oil way, an oil inlet of the two-position two-way reversing valve is connected with a working oil port of the three-position four-way electromagnetic reversing valve, and an oil outlet of the two-position two-way reversing valve is connected with the main control oil way.

As a further improvement, each branch control oil path is provided with a two-position two-way electromagnetic directional valve, oil inlets of the two-position two-way electromagnetic directional valves are connected with the main control oil path, and oil outlets of the two-position two-way electromagnetic directional valves are connected with oil inlets of the corresponding two-position three-way electromagnetic directional valves.

As a further improvement, an oil inlet one-way throttle valve and an oil return one-way throttle valve are arranged between the two-position three-way electromagnetic directional valve and the single-acting oil cylinder, and the oil inlet one-way throttle valve and the oil return one-way throttle valve are connected in series.

After the technical scheme is adopted, the invention has the beneficial effects that:

the hydraulic control system for the simple lifting three-dimensional parking equipment provided by the invention is provided with a hydraulic station comprising a plurality of motor oil pumps, the hydraulic station is connected with a main control oil circuit, each simple lifting three-dimensional parking equipment is respectively arranged on a branch control oil circuit, and the lifting of a vehicle carrying plate of each simple lifting three-dimensional parking equipment can be respectively and independently controlled through a corresponding two-position three-way electromagnetic directional valve, so that the control mode of centralized oil supply and independent operation is realized, and the cost of the simple lifting three-dimensional parking equipment in centralized use is reduced.

Because a two-position two-way reversing valve is arranged between the three-position four-way electromagnetic reversing valve and the main control oil path, the three-position four-way electromagnetic reversing valve plays a role of a main switch and is convenient to operate and maintain.

Because each control oil path is provided with the two-position two-way electromagnetic directional valve, independent operation of each simple lifting three-dimensional parking device is realized, the vehicle carrying plate of each simple lifting three-dimensional parking device can be controlled to lift independently, and operation is convenient.

Because the oil inlet one-way throttle valve and the oil return one-way throttle valve which are connected in series are arranged on the branch control oil path, not only is oil inlet throttling control realized, but also oil return throttling control can be realized, and further the control of the lifting speed of the vehicle carrying plate of each simple lifting three-dimensional parking device is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.

FIG. 1 is a hydraulic schematic of an embodiment of the present invention;

in the figure: 1. the oil tank, 2, the motor oil pump, 3, the three-position four-way electromagnetic directional valve, 4, the two-position two-way directional valve, 5, a main control oil path, 6, a branch control oil path, 7, the two-position two-way electromagnetic directional valve, 8, the two-position three-way electromagnetic directional valve, 9, an oil inlet one-way throttle valve, 10, an oil return one-way throttle valve, 11 and a single-acting oil cylinder.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present specification, the terms "front", "rear", "left", "right", "inner", "outer" and "middle" are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship between the terms and the corresponding parts are also regarded as the scope of the present invention without substantial changes in the technical contents.

As shown in fig. 1, the invention provides a hydraulic control system for a simple lifting three-dimensional parking device, comprising at least two motor oil pumps 2 connected in parallel, wherein the motor oil pumps 2 are oil pumps driven by motors, the motors can be directly connected with the oil pumps, or the motors can be connected with the oil pumps through couplings, without limitation, a person skilled in the art can select the number of the motor oil pumps 2 according to the number of the controlled simple lifting three-dimensional parking devices, when a small number of simple lifting three-dimensional parking devices work, a small number of motor oil pumps 2 can be used, when a plurality of simple lifting three-dimensional parking devices work simultaneously, a plurality of motor oil pumps 2 are required to work simultaneously, the arrangement not only can reduce the production cost, but also rarely simultaneously start all the oil pumps 2 when in use, thereby reducing the energy consumption and the use cost, particularly, when the motor oil pump 2 is damaged and needs maintenance, other motor oil pumps 2 can still normally work without stopping the machine and influencing the normal use of the simple lifting three-dimensional parking equipment, an oil inlet of the motor oil pump 2 is connected with the oil tank 1, an oil outlet of the motor oil pump 2 is connected with an oil inlet of the three-position four-way electromagnetic directional valve 3, an oil return port of the three-position four-way electromagnetic directional valve 3 is connected with the oil tank 1, a working oil port of the three-position four-way electromagnetic directional valve 3 is connected with the main control oil way 5, the other working oil port of the three-position four-way electromagnetic directional valve 3 is plugged, a plurality of branch control oil ways 6 are connected in parallel on the main control oil way 5, a two-position three-way electromagnetic directional valve 8 is arranged on each branch control oil way 6, an oil inlet of the two-position three-way electromagnetic directional valve 8 is connected with the main control oil way 5, an oil return port of the two- With hydro-cylinder 11, when the single-acting hydro-cylinder 11 was installed, the piston rod stretched out and is carried the sweep decline state, the piston rod withdrawal is carried the sweep and rises the state, consequently, the work hydraulic fluid port of two-position three way solenoid directional valve 8 links to each other with the pole chamber of single-acting hydro-cylinder 11, through the retraction of hydraulic oil control piston rod, then when the piston rod stretches out then can realize through carrying the dead weight of sweep and carrying the weight of vehicle load on the sweep, need not reuse work hydraulic oil, saved the energy consumption, and then reduced use cost.

According to the invention, only one hydraulic station containing a plurality of motor oil pumps 2 is used and connected with the main control oil circuit 5, each simple lifting three-dimensional parking device is respectively arranged on the branch control oil circuit 6, so that the lifting of the vehicle carrying plate of each simple lifting three-dimensional parking device can be respectively and independently controlled through the corresponding two-position three-way electromagnetic directional valve 8, the centralized oil supply and independent operation control mode is realized, and the cost of the simple lifting three-dimensional parking devices in centralized use is reduced.

A two-position two-way reversing valve 4 is arranged between the three-position four-way electromagnetic reversing valve 3 and the main control oil way 5, an oil inlet of the two-position two-way reversing valve 4 is connected with a working oil port of the three-position four-way electromagnetic reversing valve 3, an oil outlet of the two-position two-way reversing valve 4 is connected with the main control oil way 5, the two-position two-way reversing valve 4 can use a manual valve or an electromagnetic valve, and is not limited herein, and the two-position two-way reversing valve 4 can control the main control oil way 5, plays a role of a master switch, and.

Each control oil way 6 is provided with a two-position two-way electromagnetic directional valve 7, an oil inlet of each two-position two-way electromagnetic directional valve 7 is connected with the main control oil way 5, and an oil outlet of each two-position two-way electromagnetic directional valve 7 is connected with an oil inlet of a corresponding two-position three-way electromagnetic directional valve 8.

An oil inlet one-way throttle valve 9 and an oil return one-way throttle valve 10 are arranged between the two-position three-way electromagnetic directional valve 8 and the single-acting oil cylinder 11, and the oil inlet one-way throttle valve 9 and the oil return one-way throttle valve 10 are connected in series, so that oil inlet throttling control and oil return throttling control are realized, and the lifting speed of the car carrying plate of each simple lifting three-dimensional parking device is further controlled.

Under the normal state, the valve core of the three-position four-way electromagnetic directional valve 3 is in the middle position, and hydraulic oil in the oil tank 1 is pumped out by the motor oil pump 2 and flows back to the mailbox through the oil return port of the three-position four-way electromagnetic directional valve 3. When the vehicle carrying plate is required to ascend, a valve core of the three-position four-way electromagnetic directional valve 3 moves to the left side position, hydraulic oil is pumped out through the motor oil pump 2, enters the two-position two-way directional valve 4 through a working oil port of the three-position four-way electromagnetic directional valve 3 and then enters the main control oil path 5, a support control oil path 6 where the vehicle carrying plate is required to ascend is selected and communicated with the two-position two-way electromagnetic directional valve 7 and the two-position three-way electromagnetic directional valve 8, the hydraulic oil enters the single-action oil cylinder 11 through the oil inlet one-way throttle valve 9 and the oil return one-way throttle valve 10 and pushes the piston rod to retract, so that the vehicle carrying plate ascends, and the two-position two-way electromagnetic. When the vehicle carrying plate is required to descend, the corresponding two-position three-way electromagnetic reversing valve 8 is only required to be controlled, so that the working oil port is communicated with the oil return port, the piston rod extends out under the self-weight action of the vehicle carrying plate, hydraulic oil flows back to the oil tank 1 through the oil return one-way throttle valve 10 and the oil inlet one-way throttle valve 9 and then flows back to the oil tank 1 through the oil return port of the two-position three-way electromagnetic reversing valve 8.

The lifting three-dimensional parking equipment is convenient to operate, reduces the cost of the simple lifting three-dimensional parking equipment in centralized use, and has good popularization and use values.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.