CN106979453A - The centralized lubricating system and its control method of a kind of wheel excavator - Google Patents
The centralized lubricating system and its control method of a kind of wheel excavator Download PDFInfo
- Publication number
- CN106979453A CN106979453A CN201710344521.2A CN201710344521A CN106979453A CN 106979453 A CN106979453 A CN 106979453A CN 201710344521 A CN201710344521 A CN 201710344521A CN 106979453 A CN106979453 A CN 106979453A
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- China
- Prior art keywords
- getting
- bus
- lubricated
- lubricating system
- lubrication
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of centralized lubricating system of wheel excavator and its control method, by blocking alarm lamp, get on the bus forced feed lubrication button and relay indicating light, forced feed lubrication button is got off and relay indicating light, controller for excavators, electronic lubricating pump, safety valve, filter, solenoid directional control valve, center steering body and the distributor that gets on and off are lubricated operation with getting on or off the bus automatic cycle to hydraulic crawler excavator.The present invention is easy to use, effect substantially, can be got on the bus to hydraulic crawler excavator by the system and the circulation of lower mechanism of car carries out self-lubricate operation, while can also adjust manually on demand, and be stopped in lubricating system during hypertonia and send alarm signal, for maintenance;Operating efficiency can be greatly enhanced, hand labor is reduced, cost of labor is reduced.
Description
Technical field
The present invention relates to a kind of centralized lubricating system of excavator, category excavator equipment field is specifically a kind of wheeled digging
The centralized lubricating system and its control method of pick machine.
Background technology
As the important member of engineering machinery family, wheeled hydraulic excavator is because of high maneuverability and high flexibility, widely
Applied to urban road construction, centralized lubricating system is the important component of wheel excavator, current wheeled hydraulic excavator
Only equipped with centralized lubrication of getting on the bus, centralized lubricating system is not equipped with for getting off, oil site of getting off has a very wide distribution, it is necessary to respectively
Beat lubricating grease manually to be lubricated, increase cost of labor, and the self-lubricate that gets on and off can not be realized.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provide a kind of wheel excavator centralized lubricating system and its
Control method, can be achieved the overall self-lubricate that gets on and off, and reduce hand labor, improve operating efficiency.
To achieve these goals, the technical solution adopted by the present invention is:A kind of centralized lubricating system of wheel excavator,
Including controller for excavators, the controller for excavators is connected with:
Electronic lubricating pump, for providing operating pressure for lubricating system;The electronic lubricating pump is also connected by safety valve, filter
Solenoid directional control valve is connected to, the side delivery outlet of the solenoid directional control valve is connected with distributor of getting on the bus, and opposite side delivery outlet is in
Heart revolving body is connected with distributor of getting off;
Solenoid directional control valve, for switching get on the bus lubrication operation and lubrication operation of getting off;
Get on the bus forced feed lubrication button and relay indicating light of getting on the bus, for enforcing lubrication operation of getting on the bus, and send work of getting on the bus
Indication signal;
Get off forced feed lubrication button and relay indicating light of getting off, for enforcing lubrication operation of getting off, and send work of getting off
Indication signal;
Safety valve, for detecting in lubricating system when pressure exceedes rated pressure feedback high-voltage signal to excavator control
Device;
Alarm lamp is blocked, for when safety valve is feeding back high-voltage signal, sending blocking alarm signal.
Further, the distributor of getting on the bus includes main allocated equipment of getting on the bus, and the main allocated equipment of getting on the bus is connected with secondary of getting on the bus
Distributor, mechanism to be lubricated of getting on the bus, such as equipment and oil cylinder, slew gear are connected to by secondary dispenser of getting on the bus.
Further, the distributor of getting off includes main allocated equipment of getting off, and the main allocated equipment of getting off is connected with secondary of getting off
Distributor, mechanism to be lubricated of getting off, such as vehicle bridge, supporting leg and oil cylinder are connected to by secondary dispenser of getting off.
It is preferred that, the solenoid directional control valve is two position three-way valve, can select one in get on the bus distributor and distributor of getting off
Connect, complete the lubrication operation that gets on and off.
A kind of control method of wheel excavator centralized lubricating system, lubricating system enters work standard after excavating machine starting
Controller for excavators control solenoid directional control valve is in off-position, that is, oil duct of getting on the bus after standby state, excavator dead-man's handle closure
Conducting, relay indicating light of getting on the bus work, electronic lubricating pump extracts lubricating grease and entered by safety valve, filter, solenoid directional control valve
Get on the bus distributor, by getting on the bus, distributor is prorated to secondary dispenser of getting on the bus, to mechanism to be lubricated of getting on the bus(Such as work clothes
Put and oil cylinder, slew gear etc.)It is lubricated operation;After upper mechanism of car lubrication is finished, controller for excavators control electromagnetism is changed
Obtain electric to valve, that is, oil duct of getting off conducting, relay indicating light of getting off work, electronic lubricating pump extracts lubricating grease and passes through safety valve, mistake
Filter, solenoid directional control valve, center steering body enter distributor of getting off, and time fraction of getting off is prorated to by distributor of getting off
Orchestration, to mechanism to be lubricated of getting off(Such as vehicle bridge, supporting leg and oil cylinder)It is lubricated operation;Dug after lower mechanism of car lubrication is finished
Pick machine controller controls solenoid directional control valve to power off again, and mechanism of car lubricates progresss in, and such to circulate the realization mechanism that gets on and off automatic
Lubrication.
Further, if upper mechanism of car needs emergency lubrication in greasing, can be manually pressed by getting on the bus forced feed lubrication by
Button, controller for excavators controls solenoid directional control valve to power off after signal is obtained, and upper mechanism of car lubrication is carried out immediately;In greasing
If in lower mechanism of car when needing emergency lubrication, forced feed lubrication button of getting off can be manually pressed by, controller for excavators is obtaining signal
Control solenoid directional control valve obtains electric afterwards, and lower mechanism of car lubrication is carried out immediately.
Further, if safety valve is detected in lubricating system when pressure exceedes rated pressure and fed back immediately in greasing
High-voltage signal is to controller for excavators, and controller for excavators judges to be likely to occur plugging fault in lubricating system, and control is blocked
Alarm lamp works, and sends blocking alarm signal;The electronic lubricating pump power-off of controller for excavators control simultaneously, stops lubricating system
Work, system maintenance to be lubricated to it is normal when, restart lubricating system and enter working condition.
The beneficial effects of the invention are as follows:Hydraulic crawler excavator can be got on the bus by the system and the circulation of lower mechanism of car is carried out automatically
Lubrication operation, while can also adjust manually on demand, and is stopped during hypertonia in lubricating system and sends alarm signal
Number, for maintenance;Operating efficiency can be greatly enhanced, hand labor is reduced, cost of labor is reduced.
Brief description of the drawings
Fig. 1 is lubricating system schematic diagram of the present invention.
In figure:1st, alarm lamp is blocked, 2, forced feed lubrication button of getting on the bus, 3, forced feed lubrication button of getting off, 4, excavator control
Device, 5, electronic lubricating pump, 6, safety valve, 7, filter, 8, solenoid directional control valve, 9, center steering body, 10, main allocated equipment of getting off,
11st, get off secondary dispenser, 12, mechanism to be lubricated of getting off, 13, main allocated equipment of getting on the bus, 14, secondary dispenser of getting on the bus, 15, get on the bus
Mechanism to be lubricated.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of centralized lubricating system of wheel excavator, including controller for excavators 4, the excavator control
Device 4 processed is connected with:
Electronic lubricating pump 5, for providing operating pressure for lubricating system;The electronic lubricating pump 5 also passes through safety valve 6, filtering
Device 7 is connected with solenoid directional control valve 8, and the side delivery outlet of the solenoid directional control valve 8 is connected with distributor of getting on the bus, opposite side delivery outlet
Distributor of getting off is connected with by center steering body 9;
Solenoid directional control valve 8, for switching get on the bus lubrication operation and lubrication operation of getting off;
Get on the bus forced feed lubrication button 1 and relay indicating light of getting on the bus, for enforcing lubrication operation of getting on the bus, and send work of getting on the bus
Indication signal;
Get off forced feed lubrication button 2 and relay indicating light of getting off, for enforcing lubrication operation of getting off, and send work of getting off
Indication signal;
Safety valve 6, for detecting in lubricating system when pressure exceedes rated pressure feedback high-voltage signal to excavator control
Device 4;
Alarm lamp 1 is blocked, for when safety valve 6 is feeding back high-voltage signal, sending blocking alarm signal.
Further, the distributor of getting on the bus includes main allocated equipment 13 of getting on the bus, and the main allocated equipment 13 of getting on the bus, which is connected with, gets on the bus
Secondary dispenser 14, mechanism 15 to be lubricated of getting on the bus is connected to by secondary dispenser 14 of getting on the bus, such as equipment and oil cylinder, revolution
Mechanism etc..
Further, the distributor of getting off includes main allocated equipment 10 of getting off, and the main allocated equipment 10 of getting off, which is connected with, gets off
Secondary dispenser 11, get off mechanism 12 to be lubricated, such as vehicle bridge, supporting leg and oil cylinder are connected to by secondary dispenser 11 of getting off.
It is preferred that, the solenoid directional control valve 8 is two position three-way valve, can select one in get on the bus distributor and distributor of getting off
Connect, complete the lubrication operation that gets on and off.
A kind of control method of wheel excavator centralized lubricating system, lubricating system enters work standard after excavating machine starting
The control solenoid directional control valve 8 of controller for excavators 4 is in off-position, that is, oil of getting on the bus after standby state, excavator dead-man's handle closure
Road is turned on, and relay indicating light of getting on the bus work, electronic lubricating pump 5 extracts lubricating grease and passes through safety valve 6, filter 7, solenoid directional control valve
8 enter main allocated equipment 13 of getting on the bus, and by getting on the bus, main allocated equipment 13 is prorated to secondary dispenser 14 of getting on the bus, and waits to moisten to getting on the bus
Sliding mechanism 15(Such as equipment and oil cylinder, slew gear)It is lubricated operation;The lubrication of mechanism 15 to be lubricated of waiting to get on the bus is finished
Afterwards, the control of controller for excavators 4 solenoid directional control valve 8 obtains electric, that is, oil duct of getting off conducting, relay indicating light of getting off work, electronic profit
Sliding pump 5 extracts lubricating grease and enters main allocated equipment 10 of getting off by safety valve 6, filter 7, solenoid directional control valve 8, center steering body 9,
By getting off, main allocated equipment 10 is prorated to secondary dispenser 11 of getting off, to mechanism 12 to be lubricated of getting off(Such as vehicle bridge, supporting leg
And oil cylinder etc.)It is lubricated operation;Controller for excavators 4 controls electromagnetism to change again after the lubrication of mechanism 12 to be lubricated of getting off is finished
Powered off to valve 8, carry out the lubrication operation of mechanism 15 to be lubricated of getting on the bus, so circulation realization gets on and off mechanism self-lubricate.
Further, if mechanism 15 to be lubricated of getting on the bus in greasing needs emergency lubrication, it can be manually pressed by getting on the bus by force
System lubrication button 2, controller for excavators 4 controls solenoid directional control valve 8 to power off, machine to be lubricated of getting on the bus is carried out immediately after signal is obtained
The lubrication operation of structure 15;If mechanism 12 to be lubricated of getting off in greasing needs emergency lubrication, it can be manually pressed by getting off by force
System lubrication button 3, it is electric that controller for excavators 4 controls solenoid directional control valve 8 to obtain after signal is obtained, and machine to be lubricated of getting off is carried out immediately
The lubrication operation of structure 12.
Further, if in greasing safety valve 6 detect in lubricating system pressure exceed it is anti-immediately during rated pressure
High-voltage signal is presented to controller for excavators 4, controller for excavators 4 judges to be likely to occur plugging fault in lubricating system, control
Block alarm lamp 1 to work, send blocking alarm signal;The electronic lubricating pump 5 of the control of controller for excavators 4 simultaneously is powered off, and makes lubrication
System stalls, system maintenance to be lubricated to it is normal when, restart lubricating system and enter working condition.
In summary, the present invention is easy to use, and effect substantially, can be got on the bus and lower vehicle device by the system to hydraulic crawler excavator
Structure circulation carries out self-lubricate operation, while can also adjust manually on demand, and stops in lubricating system work during hypertonia
Make and send alarm signal, for maintenance;Operating efficiency can be greatly enhanced, hand labor is reduced, cost of labor is reduced.
Claims (5)
1. a kind of centralized lubricating system of wheel excavator, it is characterised in that including controller for excavators(4), the excavator
Controller(4)It is connected with:
Electronic lubricating pump(5), for providing operating pressure for lubricating system;The electronic lubricating pump(5)Also pass through safety valve
(6), filter(7)It is connected with solenoid directional control valve(8), the solenoid directional control valve(8)Side delivery outlet be connected with distribution of getting on the bus
Device, opposite side delivery outlet passes through center steering body(9)It is connected with distributor of getting off;
Solenoid directional control valve(8), for switching get on the bus lubrication operation and lubrication operation of getting off;
Get on the bus forced feed lubrication button(1)And relay indicating light of getting on the bus, for enforcing lubrication operation of getting on the bus, and send work of getting on the bus
Make indication signal;
Get off forced feed lubrication button(2)And relay indicating light of getting off, for enforcing lubrication operation of getting off, and send work of getting off
Make indication signal;
Safety valve(6), for detecting in lubricating system when pressure exceedes rated pressure feedback high-voltage signal to excavator control
Device processed(4);
Block alarm lamp(1), in safety valve(6)When feeding back high-voltage signal, blocking alarm signal is sent.
2. a kind of centralized lubricating system of wheel excavator according to claim 1, it is characterised in that the distribution of getting on the bus
Device includes main allocated equipment of getting on the bus(13), the main allocated equipment of getting on the bus(13)It is connected with secondary dispenser of getting on the bus(14), by getting on the bus
Secondary dispenser(14)It is connected to mechanism to be lubricated of getting on the bus(15).
3. a kind of centralized lubricating system of wheel excavator according to claim 1, it is characterised in that the distribution of getting off
Device includes main allocated equipment of getting off(10), the main allocated equipment of getting off(10)It is connected with secondary dispenser of getting off(11), by getting off
Secondary dispenser(11)It is connected to mechanism to be lubricated of getting off(12).
4. a kind of centralized lubricating system of wheel excavator according to claim 1, it is characterised in that the electromagnetic switch
Valve(8)For two position three-way valve.
5. a kind of control method of wheel excavator centralized lubricating system, it is characterised in that appoint including the use of Claims 1-4
A kind of centralized lubricating system of wheel excavator described in one, and including step:Lubricating system enters after excavating machine starting
Controller for excavators after readiness for operation, excavator dead-man's handle closure(4)Control solenoid directional control valve(8)In power-off shape
State, that is, oil duct of getting on the bus conducting, relay indicating light of getting on the bus work, electronic lubricating pump(5)Extract lubricating grease and pass through safety valve(6), mistake
Filter(7), solenoid directional control valve(8)Into main allocated equipment of getting on the bus(13), pass through main allocated equipment of getting on the bus(13)It is prorated to
Car secondary dispenser(14), to mechanism to be lubricated of getting on the bus(15)It is lubricated operation;Wait mechanism to be lubricated of getting on the bus(15)Lubricate
Bi Hou, controller for excavators(4)Control solenoid directional control valve(8)Obtain electric, that is, oil duct of getting off conducting, relay indicating light of getting off work,
Electronic lubricating pump(5)Extract lubricating grease and pass through safety valve(6), filter(7), solenoid directional control valve(8), center steering body(9)Enter
Enter main allocated equipment of getting off(10), pass through main allocated equipment of getting off(10)It is prorated to secondary dispenser of getting off(11), to getting off
Mechanism to be lubricated(12)It is lubricated operation;Wait mechanism to be lubricated of getting off(12)Lubrication finishes rear controller for excavators(4)Again
Control solenoid directional control valve(8)Power-off, carries out mechanism to be lubricated of getting on the bus(15)Lubrication operation, so circulation realize upper and lower vehicle device
Structure self-lubricate;If getting on the bus mechanism to be lubricated in greasing(15)When needing emergency lubrication, pressure of getting on the bus can be manually pressed by
Lubricate button(2), controller for excavators(4)Solenoid directional control valve is controlled after signal is obtained(8)Power off and light work of getting on the bus and refer to
Show lamp, mechanism to be lubricated of getting on the bus is carried out immediately(15)Lubrication operation;If getting off mechanism to be lubricated in greasing(12)Need
When wanting emergency lubrication, forced feed lubrication button of getting off can be manually pressed by(3), controller for excavators(4)Electricity is controlled after signal is obtained
Magnetic reversal valve(8)Obtain electric and light relay indicating light of getting off, mechanism to be lubricated of getting off is carried out immediately(12)Lubrication operation;In profit
If safety valve during cunning(6)Detect and feed back high-voltage signal immediately to excavator when pressure exceedes rated pressure in lubricating system
Controller(4), controller for excavators(4)Judge to be likely to occur plugging fault in lubricating system, control blocks alarm lamp(1)Work
Make, send blocking alarm signal;While controller for excavators(4)Control electronic lubricating pump(5)Power-off, makes lubricating system stop work
Make, system maintenance to be lubricated to it is normal when, restart lubricating system and enter working condition.
Priority Applications (1)
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CN201710344521.2A CN106979453A (en) | 2017-05-16 | 2017-05-16 | The centralized lubricating system and its control method of a kind of wheel excavator |
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CN201710344521.2A CN106979453A (en) | 2017-05-16 | 2017-05-16 | The centralized lubricating system and its control method of a kind of wheel excavator |
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CN201710344521.2A Pending CN106979453A (en) | 2017-05-16 | 2017-05-16 | The centralized lubricating system and its control method of a kind of wheel excavator |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108825768A (en) * | 2018-09-03 | 2018-11-16 | 杭叉集团股份有限公司 | A kind of dynamic compaction machinery automatic lubricating system and its control method |
WO2021018131A1 (en) * | 2019-07-30 | 2021-02-04 | 王定根 | Sequential oil supply device and fully automatic lubricant injection device for excavator |
CN113819386A (en) * | 2021-08-25 | 2021-12-21 | 许昌许继风电科技有限公司 | Control method and device for single-wire type lubricating system of wind generating set |
WO2022007595A1 (en) * | 2020-07-09 | 2022-01-13 | 郑州奥特科技有限公司 | Excavator linkage, linkage assembly, and excavator linkage lubricating system |
CN114229397A (en) * | 2021-12-27 | 2022-03-25 | 湖南崇德科技股份有限公司 | Automatic lubricating method and system for rolling machine lifter |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57208393A (en) * | 1981-06-15 | 1982-12-21 | Daikin Ind Ltd | Lubricating system of hydraulic working machine |
CN102261102A (en) * | 2011-05-04 | 2011-11-30 | 上海三一重机有限公司 | Automatic lubricating system of excavator |
CN103062610A (en) * | 2012-12-26 | 2013-04-24 | 中联重科股份有限公司 | Lubricating method and system of engineering machine and engineering machine with lubricating system |
CN203453748U (en) * | 2013-08-26 | 2014-02-26 | 三一汽车制造有限公司 | Lubricating system, multi-stage arm rest structure and engineering machine |
WO2015002577A1 (en) * | 2013-07-05 | 2015-01-08 | Volvo Construction Equipment Ab | Liquid distribution system |
CN206036617U (en) * | 2016-08-26 | 2017-03-22 | 天津赛瑞机器设备有限公司 | Lubricating system for power shovel |
-
2017
- 2017-05-16 CN CN201710344521.2A patent/CN106979453A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57208393A (en) * | 1981-06-15 | 1982-12-21 | Daikin Ind Ltd | Lubricating system of hydraulic working machine |
CN102261102A (en) * | 2011-05-04 | 2011-11-30 | 上海三一重机有限公司 | Automatic lubricating system of excavator |
CN103062610A (en) * | 2012-12-26 | 2013-04-24 | 中联重科股份有限公司 | Lubricating method and system of engineering machine and engineering machine with lubricating system |
WO2015002577A1 (en) * | 2013-07-05 | 2015-01-08 | Volvo Construction Equipment Ab | Liquid distribution system |
CN203453748U (en) * | 2013-08-26 | 2014-02-26 | 三一汽车制造有限公司 | Lubricating system, multi-stage arm rest structure and engineering machine |
CN206036617U (en) * | 2016-08-26 | 2017-03-22 | 天津赛瑞机器设备有限公司 | Lubricating system for power shovel |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108825768A (en) * | 2018-09-03 | 2018-11-16 | 杭叉集团股份有限公司 | A kind of dynamic compaction machinery automatic lubricating system and its control method |
WO2021018131A1 (en) * | 2019-07-30 | 2021-02-04 | 王定根 | Sequential oil supply device and fully automatic lubricant injection device for excavator |
WO2022007595A1 (en) * | 2020-07-09 | 2022-01-13 | 郑州奥特科技有限公司 | Excavator linkage, linkage assembly, and excavator linkage lubricating system |
CN113819386A (en) * | 2021-08-25 | 2021-12-21 | 许昌许继风电科技有限公司 | Control method and device for single-wire type lubricating system of wind generating set |
CN114229397A (en) * | 2021-12-27 | 2022-03-25 | 湖南崇德科技股份有限公司 | Automatic lubricating method and system for rolling machine lifter |
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