A kind of Hydraulic Station of large-size planer
Technical field:
This utility model relates to hydraulic power unit equipment technical field, big in particular to one
The Hydraulic Station of moulding plane bed.
Background technology:
Hydraulic Station is the vitals providing power for planer, when planer is processed action, has
Be by automatically controlled driving, have plenty of and driven by Hydraulic Station, Hydraulic Station mainly by hydraulic pump,
The hydraulic power source device that motor, fuel tank, direction valve, overflow valve etc. are constituted, by hydraulic power unit and plane
The oil cylinder of bed oil pipe connects, and hydraulic system can realize the action of various regulation.Driven by motor
Oil pump rotates, and pump is bought oil after oil suction from fuel tank, converts mechanical energy into pressure energy, hydraulic oil
Achieved the regulatory function of direction, pressure, flow by hydraulic valve by valve group.
But the planer Hydraulic Station of prior art generally exists, and motility is poor, can not realize real-time streams
The problem of the regulation in amount and direction.
Utility model content:
This utility model is solved the technical problem that: the planer Hydraulic Station motility of prior art is relatively
Difference, the problem that the regulation in real-time traffic and direction can not be realized.
This utility model following technical scheme of offer:
The Hydraulic Station of a kind of large-size planer, including fuel tank, electric-motor pump group, valve group and forced air cooler;
Described electric-motor pump group includes that motor and plunger displacement pump, described motor are vertically arranged in the top of fuel tank,
Plunger displacement pump is installed in the lower end of motor, and described plunger displacement pump is positioned among fuel tank;Described valve group is arranged on
The top of fuel tank, valve group is connected with plunger delivery side of pump by connecting tube, valve group also while with
Forced air cooler connects, and described forced air cooler is positioned at the sidepiece of fuel tank.
By technique scheme, electric machine rotation can drive the plunger displacement pump motion being positioned at its outfan,
Hydraulic oil in fuel tank can be sucked, then pressurize by plunger displacement pump, flows in valve group by connecting tube,
The hydraulic oil flowed into can be continued pressurization by valve group, and the hydraulic oil flowing out valve group passes through upper cylinder respectively
Pipe and lower oil cylinder pipe access the upper cylinder of planer and lower oil cylinder, and two-way hydraulic oil exists pressure reduction, as
This promotes the motion of planer hydraulic cylinder, and meanwhile, the return line of valve group accesses forced air cooler,
The hydraulic oil of heat, through the cooling effect of forced air cooler, is then return among fuel tank recycle.
This utility model is the Hydraulic Station designed for planer, and this Hydraulic Station has structure letter
Single, the feature that control efficiency is high, it is especially suitable for large-size planer.
As to the explanation of valve group in this utility model, described valve group includes valve seat, described valve seat
The first overflow valve installed above, check valve, choke valve, the second overflow valve and reversal valve, institute
State the first overflow valve, check valve, choke valve set gradually from high to low, described second overflow valve
It is positioned at the top of reversal valve.The sidepiece of described valve seat is additionally provided with oil earthen pipe and lower oil cylinder pipe, institute
State and oil earthen pipe and lower oil cylinder pipe is connected with the upper cylinder of planer hydraulic cylinder and lower oil cylinder respectively.Institute
The sidepiece stating valve seat is connected to forced air cooler equipped with two connecting tubes, and described two connecting tubes are respectively
For oil inlet pipe and flowline, described oil inlet pipe and flowline respectively with the oil-in of forced air cooler and
Oil-out connects.Earthen pipe and the lower oil cylinder pipe of oiling is respectively with the upper cylinder of hydraulic cylinder and lower oil cylinder even
Connect, there is pressure reduction from the hydraulic oil of oil earthen pipe and the outflow of lower oil cylinder pipe, so cause planer liquid
There is pressure differential in upper cylinder and the lower oil cylinder of cylinder pressure, hydraulic cylinder promotes planer by this pressure differential
Movement.
As to the explanation of assembly near valve group in this utility model, the sidepiece of described valve seat also sets
Pressure gauge, manometric lower section is had to be provided with pressure meter switch.The force value of the hydraulic oil in valve group
Within the scope of needs maintain reasonably, can be visually observed that at valve group sidepiece cut-in pressure table
Oil pressure value herein, prevents pressure from exceeding the scope of permission.
As to the explanation of fuel tank in this utility model, the sidepiece of described fuel tank is provided with rosette,
Described rosette is connected with motor and forced air cooler;The top of fuel tank is additionally provided with air filter and oil return
Filter, described return filter is connected with flowline.Rosette connects with motor and forced air cooler
Connect, the unlatching of motor and forced air cooler can be controlled;Air filter be positioned at top of oil-tank oil-in it
In, air can be completely cut off servicing fluids force feed when, it is to avoid among inclusion of air hydraulic oil;Warp
The hydraulic oil crossing forced air cooler cooling returns to fuel tank, oil return through flowline, return filter
Filter may filter that hydraulic oil.
Accompanying drawing illustrates:
Below in conjunction with the accompanying drawings this utility model is described further:
Fig. 1 is perspective view of the present utility model;
Fig. 2 is plan structure schematic diagram of the present utility model;
Fig. 3 is valve block structure schematic diagram of the present utility model.
Detailed description of the invention:
As depicted in figs. 1 and 2, the Hydraulic Station of a kind of large-size planer, including fuel tank 10, electricity
Pump group 20, valve group 30 and forced air cooler 40;Described electric-motor pump group 20 includes motor 21 He
Plunger displacement pump 22, described motor 21 is vertically arranged in the top of fuel tank 10, the lower end of motor 21
Installing plunger displacement pump 22, described plunger displacement pump 22 is positioned among fuel tank 10;Described valve group 30 is installed
At the top of fuel tank 10, valve group 30 is connected by the outfan of connecting tube 221 with plunger displacement pump 22
Connecing, valve group 30 is connected with forced air cooler 40 the most simultaneously, and described forced air cooler 40 is positioned at fuel tank
The sidepiece of 10.
As it is shown on figure 3, described valve group 30 includes valve seat 31, the top peace of described valve seat 31
Fill the first overflow valve 32, check valve 33, choke valve the 34, second overflow valve 35 and reversal valve
36, described first overflow valve 32, check valve 33, choke valve 34 set gradually from high to low,
Described second overflow valve 35 is positioned at the top of reversal valve 36.
As depicted in figs. 1 and 2, the sidepiece of described valve seat 31 is connected to equipped with two connecting tubes
Forced air cooler 40, described two connecting tubes are respectively oil inlet pipe 41 and flowline 42, described in enter
Oil pipe 41 and flowline 42 are connected with oil-in and the oil-out of forced air cooler 40 respectively.
As depicted in figs. 1 and 2, the sidepiece of described valve seat 31 is additionally provided with earthen pipe 301 He that oils
Lower oil cylinder pipe 302, described in oil earthen pipe 301 and lower oil cylinder pipe 302 respectively with the oiling of planer
Cylinder and lower oil cylinder connect.
As depicted in figs. 1 and 2, the sidepiece of described valve seat 31 is additionally provided with Pressure gauge 50, pressure
The lower section of power table 50 is provided with pressure meter switch 51.
As in figure 2 it is shown, the sidepiece of described fuel tank 10 is provided with rosette 11, described rosette
11 are connected with motor 21 and forced air cooler 40;The top of fuel tank 10 is additionally provided with air filter 12
With return filter 13, described return filter 13 is connected with flowline 42.
In real work, motor 21 rotates and the plunger displacement pump 22 being positioned at its outfan can be driven to move,
Hydraulic oil in fuel tank 10 can be sucked, then pressurize, by connecting tube 221 by plunger displacement pump 22
Flowing in valve group 30, the hydraulic oil flowed into can be continued pressurization by valve group 30, flows out valve group 30
Hydraulic oil respectively by oil earthen pipe 301 and lower oil cylinder pipe 302 access planer upper cylinder and
Lower oil cylinder, there is pressure reduction in two-way hydraulic oil, so promotes the motion of planer hydraulic cylinder, same with this
Time, the return line of valve group 30 accesses forced air cooler 40, and the hydraulic oil of heat is through forced air cooler
The cooling effect of 40, is then return among fuel tank 10 recycle.Wherein, oil earthen pipe 301
It is connected, from the earthen pipe that oils with the upper cylinder of hydraulic cylinder and lower oil cylinder respectively with lower oil cylinder pipe 302
301 and lower oil cylinder pipe 302 flow out hydraulic oil there is pressure reduction, so cause planer hydraulic cylinder
There is pressure differential in upper cylinder and lower oil cylinder, hydraulic cylinder promotes the shifting of planer by this pressure differential
Dynamic.Within the scope of the force value of the hydraulic oil in valve group 30 needs to maintain reasonably, at valve
Organize 30 sidepiece cut-in pressure tables and can be visually observed that oil pressure value herein, prevent pressure from exceeding
The scope allowed.Rosette 11 is connected with motor 21 and forced air cooler 40, can control motor
21 and the unlatching of forced air cooler 40;Air filter 12 is positioned among the oil-in at fuel tank 10 top,
Air can be completely cut off, it is to avoid among inclusion of air hydraulic oil servicing fluids force feed when;Through wind
The hydraulic oil of cooler 40 cooling returns to fuel tank 10 through flowline 42, return filter 13,
Return filter may filter that hydraulic oil.
Above content is only better embodiment of the present utility model, for the common skill of this area
Art personnel, according to thought of the present utility model, the most all can
Change part, and this specification content should not be construed as restriction of the present utility model.