CN205715076U - A kind of electromotor hydraulic oil Peaking Shaft System - Google Patents
A kind of electromotor hydraulic oil Peaking Shaft System Download PDFInfo
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- CN205715076U CN205715076U CN201620623261.3U CN201620623261U CN205715076U CN 205715076 U CN205715076 U CN 205715076U CN 201620623261 U CN201620623261 U CN 201620623261U CN 205715076 U CN205715076 U CN 205715076U
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Abstract
The open a kind of electromotor hydraulic oil Peaking Shaft System of this utility model, comprising: filter element, power unit, voltage regulation unit, speed adjustment unit and fuel tank；Described filter element, including low pressure filter element and high-pressure filteration unit, in order to filter out medium small particles impurity；Described power unit, in order to become apiezon oil into pressure oil；Described voltage regulation unit, in order to stable hydraulic element and system pipeline operating pressure at steady state value；Described speed adjustment unit, in order to keep medium to enter the constant airspeed of thrust bearing shoe.So, system pipeline is provided with low pressure filter element and high-pressure filteration unit, filters out large granular impurity and little granule foreign respectively；Voltage regulation unit, stable hydraulic element and system pipeline operating pressure are set；System pipeline arranges speed adjustment unit, it is ensured that medium enters the constant airspeed of thrust bearing shoe.
Description
Technical field
This utility model relates to hydraulic system field, is specifically related to a kind of electromotor hydraulic oil Peaking Shaft System.
Background technology
Generating set capacity on main equipment is relatively big, and rotor weight is the biggest, and single lubricating oil can not meet
The needs of jiggering continuously, for reducing when rotor rotates and the abrasion of bearing shell, use hydraulic shaft jacking device by hydraulic oil from bearing
Lower half-watt bottom pump enters between the oil sac of bearing shell and the contact surface of bearing shell and axle journal, jack-up electric generating set rotor, forces to set up oil film,
To prevent generating set startup or stop moment from causing dry friction to damage bearing shell or axle journal.But existing electromotor hydraulic oil
What apical axis hydraulic system had only considers low pressure oil filtration problem, and this can make hydraulic oil small particles impurity enter bearing, affects axle
Hold the life-span；Have only considers hydraulic oil filtration problem, and in hydraulic oil, size particles impurity is all filtered by hydraulic oil filter, meeting
Make hydraulic oil plugged filter, affect system pipeline safety.
In view of drawbacks described above, it is new that this utility model creator obtains this practicality finally through research for a long time and practice
Type.
Utility model content
For solving above-mentioned technological deficiency, the technical solution adopted in the utility model is, it is provided that a kind of electromotor high pressure
Oil Peaking Shaft System, comprising: filter element, power unit, voltage regulation unit, speed adjustment unit and fuel tank；
Described filter element, including low pressure filter element and high-pressure filteration unit, described low pressure filter element is dynamic with described
The oil-in of power unit is connected, in order to filter out large granular impurity in medium；Described high-pressure filteration unit and described power unit
Oil-out be connected, in order to filter out medium small particles impurity, make Hydraulic Elements from abrasion；
Described power unit, in order to apiezon oil is become pressure oil, circulates in hydraulic system；
Described voltage regulation unit, including the first voltage regulation unit and the second voltage regulation unit, described first voltage regulation unit is connected to institute
State at power unit oil-out, in order to stablize at described power unit oil-out operating pressure at steady state value；Described second voltage stabilizing
Unit is connected on system in-line, in order to stabilisation systems working pressure of pipeline at steady state value；
Described speed adjustment unit, in order to keep medium to enter the constant airspeed of thrust bearing shoe, it is to avoid the change impact of external applied load
Medium enters the speed of thrust bearing shoe；
Described fuel tank, in order to load medium, its outlet is connected with described low pressure filter element oil-in.
It is also preferred that the left described power unit includes Main Hydraulic Pump group and reserve liquid press pump group, described reserve liquid press pump group and institute
State Main Hydraulic Pump group in parallel, for enabling when described Main Hydraulic Pump group does not works, maintain pipe-line system to continuously run.
It is also preferred that the left described low pressure filter element is low-pressure filter group, described low-pressure filter group oil-out and described master
Hydraulic pump group oil-in is connected, and described high-pressure filteration unit is high pressure filter group, described high pressure filter group oil-in and institute
State Main Hydraulic Pump group oil-out to be connected.
It is also preferred that the left described speed adjustment unit includes multiple flow speed control valve, it is connected on system oil-feed speed governing pipeline, is used for keeping being situated between
Matter enters the constant airspeed of thrust bearing shoe.
It is also preferred that the left described first voltage regulation unit is the first relief valve, described first relief valve oil-in and described main hydraulic pressure
Pump group oil-out is connected, in order to keep described Main Hydraulic Pump group oil-out operating pressure constant；Described second voltage regulation unit is
Two relief valve, described second relief valve is connected on system oil-feed speed governing pipeline, is used for keeping system line pressures in work pressure
Power.
It is also preferred that the left described electromotor hydraulic oil Peaking Shaft System also includes that multiple check valve, described check valve are used for preventing
Medium back flow, damages Hydraulic Elements.
The beneficial effects of the utility model are compared with the prior art: system pipeline is provided with low pressure filter element and
High-pressure filteration unit, can filter out large granular impurity and little granule foreign respectively, prevents hydraulic pump and Hydraulic Elements due to impurity
Produce abrasion；On system in-line, speed adjustment unit is set, medium can be kept to enter the constant airspeed of thrust bearing shoe；System pipeline
In voltage regulation unit is set, it is ensured that Hydraulic Elements and the pressure security of hydraulic system pipeline；Increase redundant hydraulic pump assembly, it is ensured that
Hydraulic system continuously runs.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in each embodiment of this utility model, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described.
Fig. 1 is the functional schematic of a kind of electromotor hydraulic oil Peaking Shaft System；
Fig. 2 is a kind of electromotor hydraulic oil Peaking Shaft System figure in this utility model embodiment 2；
Fig. 3 is a kind of electromotor hydraulic oil Peaking Shaft System figure in this utility model embodiment 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, to this utility model, above-mentioned and other technical characteristic and advantage are described in more detail.
Embodiment 1
Fig. 1 is the functional schematic of a kind of electromotor hydraulic oil Peaking Shaft System, comprising: filter element, power unit,
Voltage regulation unit, speed adjustment unit and fuel tank；
Described filter element, including low pressure filter element and high-pressure filteration unit, described low pressure filter element is dynamic with described
The oil-in of power unit is connected, in order to filter out large granular impurity in medium；Described high-pressure filteration unit and described power unit
Oil-out be connected, in order to filter out medium small particles impurity, make Hydraulic Elements from abrasion；
Described power unit, in order to apiezon oil is become pressure oil, circulates in hydraulic system；
Described voltage regulation unit, including the first voltage regulation unit and the second voltage regulation unit, described first voltage regulation unit is connected to institute
State at power unit oil-out, in order to stablize at described power unit oil-out operating pressure at steady state value；Described second voltage stabilizing
Unit is connected on system in-line, in order to stabilisation systems working pressure of pipeline at steady state value；
Described speed adjustment unit, in order to keep medium to enter the constant airspeed of thrust bearing shoe, it is to avoid the change impact of external applied load
Medium enters the speed of thrust bearing shoe.
Described fuel tank, in order to load medium, its outlet is connected with described low pressure filter element oil-in.
Electromotor hydraulic oil Peaking Shaft System pipeline is provided with low pressure filter element and high-pressure filteration unit, is respectively used to
Filter out large granular impurity and little granule foreign in medium, prevent hydraulic pump and Hydraulic Elements from producing abrasion due to impurity；System
Being provided with speed adjustment unit in pipeline, stable enters the speed substantially constant of thrust bearing shoe, increases lubricant effect；In system pipeline
There is voltage regulation unit, make system pipeline operating pressure be in safety range.
Embodiment 2
Fig. 2 is this utility model hydrogenerator hydraulic oil Peaking Shaft System figure, and it includes low-pressure filter group 11, high pressure
Filter group 12, Main Hydraulic Pump group 21, reserve liquid press pump group 22, relief valve 31, relief valve 32, flow speed control valve 4, effusion meter 6, pressure
Gauge table 7, thrust bearing shoe 8, check valve 91, check valve 92, stop valve 10 and fuel tank 5；
In the present embodiment, the medium in system pipeline is hydraulic oil, and low pressure filter element and high-pressure filteration unit are respectively
For low-pressure filter group 11 and high pressure filter group 12, power unit is hydraulic pump group, the first voltage regulation unit and the second voltage stabilizing list
Unit is relief valve 31 and relief valve 32 respectively, and speed adjustment unit is flow speed control valve 8.
Hydraulic pump group includes Main Hydraulic Pump unit 21 and redundant hydraulic pump assembly 22；Redundant hydraulic pump assembly 22 and main hydraulic pressure
Pump assembly 21 is in parallel, enables when Main Hydraulic Pump unit 21 does not works, and maintains hydraulic system to work continuously；Hydraulic pump unit includes
Hydraulic pump and motor, motor converts electrical energy into kinetic energy, drives hydraulic pump to be operated, is led to by the hydraulic oil in fuel tank 51
Cross low-pressure filter group 11 and suck hydraulic pump, and pump out the pressure oil of certain pressure；
Low-pressure filter group 11 includes low-pressure filter 111, check valve 112 and pressure switch 113, low-pressure filter group 11
Oil-out is connected with hydraulic pump group oil-in, large granular impurity and prevent hydraulic pump to be emptied in filtrate force feed；
Low-pressure filter 111 coordinates with pressure switch 113, makes the oil pressure at low-pressure filter 111 oil-out be less than
The pressure of fuel tank, the hydraulic oil in fuel tank 51 enters hydraulic pump through low-pressure filter 111；Check valve 112 at hydraulic pump from oil
It is not switched on during case oil suction, when hydraulic pressure air pump inoperative, prevents the hydraulic oil in hydraulic pump from flowing back to fuel tank 51；
High pressure filter group 12 includes high pressure filter 121, check valve 122 and pressure switch 123, its oil-in and hydraulic pressure
Pump group oil-out is connected, and is applied in system pipeline, for filtrate force feed small particles impurity, prevents Hydraulic Elements from wearing and tearing；
High pressure filter 121 coordinates with pressure switch 123, makes the pressure at high pressure filter 121 oil-in be more than
Pressure at oil-out, hydraulic oil carries out filtering out tiny impurity by high pressure filter 121, prevents the liquid in system pipeline
Pressure component abrasion is serious；When check valve 122 prevents hydraulic pressure air pump inoperative, in system pipeline, hydraulic oil is back to hydraulic pump；
Effusion meter 6 is connected in system pipeline, after high pressure filter group 12, and the wink of hydraulic oil in main metering conduit
Shi Liuliang and integrated flux.
Relief valve 31 is connected to the exit of hydraulic pump, and its oil-in is connected with the oil-out of hydraulic pump, maintains hydraulic pump
Organize 2 oil-out pressure at steady state value；Relief valve 32 is connected in system pipeline, after effusion meter 6, is mainly used in system overload
Time, keeping hydraulic system pressure in operating pressure, protect hydraulic system safety, unnecessary hydraulic oil flows back to fuel tank by relief valve 32
55。
Piezometer scale 7 is connected in hydraulic system pipeline, for indicating the pressure in system pipeline, and pressure in pipeline
Can manually take measures time excessive to carry out pressure release.
Flow speed control valve 4, can regulate hydraulic oil and enter the speed of thrust bearing shoe 8, eliminates load change to hydraulic fluid flow rate
Impact, makes the stability of flow of entrance thrust bearing shoe 8, so that entering the constant airspeed of the hydraulic oil of thrust bearing shoe 8.
The hydraulic oil backflow in time preventing hydraulic system from not working in system pipeline of check valve 91 and check valve 92, produces
Water hammer.
Stop valve 101, stop valve 102, stop valve 103 and stop valve 104 are used for realizing pipeline in hydraulic system pipeline
Break-make, block pipeline when system overhaul, it is simple to maintenance.
During Fig. 2 hydraulic work system, Main Hydraulic Pump unit 21 or redundant hydraulic pump assembly 22 work, the hydraulic pressure in fuel tank 51
Oil is inhaled into hydraulic pump after being filtered by low-pressure filter group 11, pumps out pressure oil by hydraulic pump, through high pressure filter group
After 12 filter again, by check valve 91, stop valve 103, entering in 4 flow speed control valves 4, hydraulic oil opens four check valves 92,
Enter in the oil sac of thrust bearing shoe 8, and then enter between the contact surface of bearing shell and the diameter of axle, by the rotor jack-up of electromotor, in thrust
Force between bearing shell and axle journal to set up oil film, prevent generating set from starting or stop moment causes dry friction to damage bearing shell or axle
Neck, is entered unnecessary hydraulic oil in thrust bearing shoe 8 and is flowed back in fuel tank 56 by pipeline, if the hydraulic oil flow in thrust bearing shoe 8
The pipeline of oil sump tank breaks down, and causes oil pressure in system pipeline to raise, reaches the unlatching pressure of relief valve 32, and relief valve 32 is opened,
Hydraulic oil unnecessary in pipeline is flowed back in fuel tank 55 by relief valve 32.
Having the beneficial effects that in system pipeline of the present embodiment is provided with low-pressure filter group and high pressure filter group, can divide
Do not filter out large granular impurity and little granule foreign, prevent hydraulic pump and Hydraulic Elements from producing abrasion due to impurity；Increase standby
Hydraulic pump unit, it is ensured that hydraulic system continuously runs；System pipeline arranges relief valve, it is ensured that the pressure peace of system pipeline
Entirely；The branch road of thrust bearing shoe arranges flow speed control valve, hydraulic oil can be regulated and enter the speed of thrust bearing shoe so that it is be stable, no
Affected by extraneous load change.
Embodiment 3
Fig. 3 is another embodiment of this utility model electromotor hydraulic oil Peaking Shaft System, and electromotor as above is used
Hydraulic oil Peaking Shaft System, the present embodiment is different from part and is that flow speed control valve 4, check valve 92 are different with the quantity of thrust bearing shoe 8,
In the present embodiment, flow speed control valve 4, check valve 92 and thrust bearing shoe 8 are all 6, and so, the hydraulic oil entering thrust bearing shoe is more,
Lubricating oil film speed is set up fast, high lubricating effect between bearing shell and axle journal.
Electromotor include steam turbine generator, hydrogenerator, gas turbine generator, solar generator, wind-driven generator,
Diesel-driven generator and nuclear energy generator, this utility model electromotor hydraulic oil Peaking Shaft System all can be applicable to these electromotors
On.
The foregoing is only preferred embodiment of the present utility model, be merely illustrative for this utility model, and
Nonrestrictive.Those skilled in the art understands, can be to it in the spirit and scope that this utility model claim is limited
Carry out many changes, amendment, even equivalence, but fall within protection domain of the present utility model.
Claims (6)
1. an electromotor hydraulic oil Peaking Shaft System, it is characterised in that including: filter element, power unit, voltage regulation unit,
Speed adjustment unit and fuel tank；
Described filter element, including low pressure filter element and high-pressure filteration unit, described low pressure filter element and described power list
The oil-in of unit is connected, in order to filter out large granular impurity in medium；Described high-pressure filteration unit goes out with described power unit
Hydraulic fluid port is connected, and in order to filter out medium small particles impurity, makes Hydraulic Elements from abrasion；
Described power unit, in order to apiezon oil is become pressure oil, circulates in hydraulic system；
Described voltage regulation unit, including the first voltage regulation unit and the second voltage regulation unit, described first voltage regulation unit is connected to described dynamic
At power unit oil-out, in order to stablize at described power unit oil-out operating pressure at steady state value；Described second voltage regulation unit
It is connected on system in-line, in order to stabilisation systems working pressure of pipeline at steady state value；
Described speed adjustment unit, in order to keep medium to enter the constant airspeed of thrust bearing shoe, it is to avoid the change of external applied load affects medium
Enter the speed of thrust bearing shoe；
Described fuel tank, in order to load medium, its outlet is connected with described low pressure filter element oil-in.
2. electromotor hydraulic oil Peaking Shaft System as claimed in claim 1, it is characterised in that described power unit includes main liquid
Press pump group and reserve liquid press pump group, described reserve liquid press pump group is in parallel with described Main Hydraulic Pump group, at described Main Hydraulic Pump
Group enables when not working, and maintains pipe-line system to continuously run.
3. electromotor hydraulic oil Peaking Shaft System as claimed in claim 2, it is characterised in that described low pressure filter element is low
Pressing through filter group, described low-pressure filter group oil-out is connected with described Main Hydraulic Pump group oil-in, described high-pressure filteration unit
Being high pressure filter group, described high pressure filter group oil-in is connected with described Main Hydraulic Pump group oil-out.
4. electromotor hydraulic oil Peaking Shaft System as claimed in claim 1, it is characterised in that described speed adjustment unit includes multiple
Flow speed control valve, is connected on system oil-feed speed governing pipeline, for keeping medium to enter the constant airspeed of thrust bearing shoe.
5. electromotor hydraulic oil Peaking Shaft System as claimed in claim 2, it is characterised in that described first voltage regulation unit is the
One relief valve, described first relief valve oil-in is connected with described Main Hydraulic Pump group oil-out, in order to keep described Main Hydraulic Pump
Group oil-out operating pressure is constant；Described second voltage regulation unit is the second relief valve, and described second relief valve is connected to system and enters
On oil speed governing pipeline, it is used for keeping system line pressures in operating pressure.
6. electromotor hydraulic oil Peaking Shaft System as claimed in claim 1, it is characterised in that described electromotor hydraulic oil top
Axle system also includes that multiple check valve, described check valve are used for preventing medium back flow, damages Hydraulic Elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620623261.3U CN205715076U (en) | 2016-06-22 | 2016-06-22 | A kind of electromotor hydraulic oil Peaking Shaft System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620623261.3U CN205715076U (en) | 2016-06-22 | 2016-06-22 | A kind of electromotor hydraulic oil Peaking Shaft System |
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| Publication Number | Publication Date |
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| CN205715076U true CN205715076U (en) | 2016-11-23 |
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| CN201620623261.3U Active CN205715076U (en) | 2016-06-22 | 2016-06-22 | A kind of electromotor hydraulic oil Peaking Shaft System |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606098A (en) * | 2017-10-12 | 2018-01-19 | 陆晓岭 | A kind of dynamical system |
| CN110425408A (en) * | 2019-08-12 | 2019-11-08 | 国家电网有限公司 | The high anti-error starting safety interlocking mechanism of oil pressure jacking system |
-
2016
- 2016-06-22 CN CN201620623261.3U patent/CN205715076U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606098A (en) * | 2017-10-12 | 2018-01-19 | 陆晓岭 | A kind of dynamical system |
| CN107606098B (en) * | 2017-10-12 | 2024-04-12 | 陆晓岭 | Power system |
| CN110425408A (en) * | 2019-08-12 | 2019-11-08 | 国家电网有限公司 | The high anti-error starting safety interlocking mechanism of oil pressure jacking system |
| CN110425408B (en) * | 2019-08-12 | 2020-11-10 | 国家电网有限公司 | False start prevention safety locking mechanism of high oil pressure jacking device |
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