CN108661109A - A kind of working state of excavator monitoring method - Google Patents
A kind of working state of excavator monitoring method Download PDFInfo
- Publication number
- CN108661109A CN108661109A CN201810543664.0A CN201810543664A CN108661109A CN 108661109 A CN108661109 A CN 108661109A CN 201810543664 A CN201810543664 A CN 201810543664A CN 108661109 A CN108661109 A CN 108661109A
- Authority
- CN
- China
- Prior art keywords
- oil
- sensor
- alarm
- excavator
- hydraulic
- Prior art date
- 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.)
- Withdrawn
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Classifications
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
-
- 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
- E02F9/26—Indicating devices
- E02F9/267—Diagnosing or detecting failure of vehicles
- E02F9/268—Diagnosing or detecting failure of vehicles with failure correction follow-up actions
Abstract
The invention discloses a kind of working state of excavator monitoring methods, including main pump, the diesel engine for driving main pump, rotary motor, revolving body, main reversing valve, the working connection being located at turn around between motor and main reversing valve, the excavator includes oil liquid detection device, device for filtering impurities, display device, the beneficial effects of the present invention are：The component working state of excavator can be monitored, find the hidden danger in work in time, find the failure symptom of a trend in advance, improve operating condition, improve the level of comfort of driver, improve operating efficiency, can accomplish that failure positions rapidly and improves repair accuracy.
Description
Technical field
The invention belongs to excavator fields, are related to a kind of working state of excavator monitoring method by it.
Background technology
For hydraulic crawler excavator as a kind of important engineering machinery in building and restoration in earth-rock construction, electromechanical integration is that hydraulic pressure is dug
The main direction of development of pick machine, the working condition of all parts is directly related to the efficiency of operation and the peace of operation in excavator
Quan Xing, and current excavator does not have and is monitored to all parts working condition, lacks the means for finding failure in advance,
Can not be promptly and accurately after excavator goes wrong the reason of finding problem.
Invention content
The present invention to solve the above-mentioned problems, discloses a kind of working state of excavator detection method, can be to excavator
Component working state be monitored, in time find work in hidden danger, being capable of accurate process problem.
The present invention specifically uses following technical scheme to realize,
The Hydraulic slewing system of a kind of working state of excavator monitoring method, the excavator includes main pump 10, driving main pump 10
Diesel engine 1, rotary motor 2, revolving body 3, main reversing valve 4, the main oil being located at turn around between motor 2 and main reversing valve 4
The oil outlet on road, the main pump 10 couples main reversing valve 4, and the working connection includes the first working connection 21 and the second working connection 22,
It is provided with the first check valve 6, the second working connection to overflow valve on first working connection to the access of the first actuator port of overflow valve 5
The second check valve 7 is provided on the access of 5 the first actuator port, the second actuator port of the overflow valve 5 connects fuel tank, when
When oil pressure in working connection reaches setting value, the first actuator port and the conducting of the second actuator port；The excavator further includes elder generation
Oil Guide road, flow direction and break-make for controlling main reversing valve；
The excavator is with temperature monitoring device, report in diesel engine monitoring device, hydraulic system monitoring device, driver's cabin
Alert threshold value setting device and display device；
The diesel engine monitoring device includes：Engine speed sensor, diesel oil fuel-quantity transducer, coolant water temperature sensing
Device, chilled water sensor, engine oil pressure pickup, oil temperature sensor, low machine oil position alarm sensor, motor torque
Sensor, rhythm of engine sensor；
The hydraulic pressure system monitoring device includes：Main pump pressure sensor, hydraulic oil temperature sensor, hydraulic pressure fuel level sensor, hydraulic pressure
Oil pollution monitoring sensor；
Temperature monitoring device includes in the driver's cabin：Temperature sensor and primary processor microcontroller；
The alarm threshold value setting device can carry out the manual and/or automatic setting of alarm threshold value according to different operating；
The display device shows the measured value of the sensor；
The hydraulic system also sets up filter, and the inlet port of main pump is provided with coarse oil filter, in the second work of overflow valve
Oil port is provided with smart oil filter；The essence oil filter is parallel with an overflow valve two, and sensor is provided on the overflow valve two,
Coarse oil filter is provided in pioneer pump oil inlet pipe in the guide's oil circuit, the oil outlet of the pioneer pump is provided with
Smart oil filter, an essence oil filter check valve in parallel, or blocking instruction device is set simultaneously；
The alarm numerical value that each measuring device is arranged in device is arranged by alarm threshold value first, then excavator works, diesel oil hair
Temperature monitoring device and alarm threshold value setting device and display fill in motivation monitoring device, hydraulic system monitoring device and driver's cabin
Connection is set, measured data are input in alarm threshold value setting device, compared with the numerical value for the alarm being originally arranged, when
Device is arranged by alarm threshold value when measured numerical value is not belonging in range of normal value and sends out alarm, the display device is real-time
Display is vertical, and it is which component is sent out on excavator report that when alarm threshold value setting device sends out alarm, display device, which is shown,
It is alert, and presentation graphics feature is the location of in excavator.
Further, the engine speed sensor uses reluctive transducer, non-contact measurement；The diesel oil oil
Quantity sensor is mounted on using liquid level sensor plug-in type above fuel tank；The coolant temperature sensor sets alarm point 97 ± 2
℃；The chilled water sensor throw-in type liquid level sensor；The engine oil pressure pickup thread connection is sent out mounted on diesel oil
In the main oil gallery of motivation；The oil temperature sensor is mounted on the oil inlet of engine；The low machine oil position alarm sensor
When machine oil is less than setting value, control warning device alarm controls diesel engine after warning device continues the alarm settings time
Machine is flame-out；The motor torque sensor is using resistance strain gage as sensing element；The rhythm of engine sensing
Device is piezoelectric acceleration sensor.
Further, the main pump pressure sensor uses diffusion silicon without cavity pressure sensor；The hydraulic oil temperature sensing
Device is mounted in hydraulic oil container；The hydraulic pressure fuel level sensor is mounted on inside hydraulic oil container；The hydraulic oil pollution monitoring passes
Sensor is differential pressure transmitter device, is arranged at the coarse oil filter, alarm is sent out when coarse oil filter is blocked.
The beneficial effects of the present invention are：The component working state of excavator can be monitored, find work in time
In hidden danger, find the failure symptom of a trend in advance, improve operating condition, improve the level of comfort of driver, improve operating efficiency, energy
Enough accomplish that failure positions rapidly and improves repair accuracy.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Figure label：Diesel engine 1, rotary motor 2, revolving body 3, main reversing valve 4, overflow valve 5, the first check valve 6, second
Check valve 7, main pump 10, the first working connection 21, the second working connection 22.
Specific implementation mode
The invention will be further described below.
The invention discloses a kind of working state of excavator monitoring method, the Hydraulic slewing system of the excavator includes master
Pump 10, rotary motor 2, revolving body 3, main reversing valve 4, is located at turn around motor 2 and leads and change the diesel engine 1 for driving main pump 10
The oil outlet of working connection between valve 4, the main pump 10 couples main reversing valve 4, and the working connection includes the first working connection 21
With the second working connection 22, the first check valve 6 is provided on the access of the first actuator port of the first working connection to overflow valve 5,
The second check valve 7, the second work of the overflow valve 5 are provided on two working connections to the access of the first actuator port of overflow valve 5
Make hydraulic fluid port connection fuel tank, when the oil pressure in working connection reaches setting value, the first actuator port and the conducting of the second actuator port；Institute
It further includes guide's oil circuit to state excavator, flow direction and break-make for controlling main reversing valve；
The excavator is with temperature monitoring device, report in diesel engine monitoring device, hydraulic system monitoring device, driver's cabin
Alert threshold value setting device and display device；
The diesel engine monitoring device includes：Engine speed sensor, diesel oil fuel-quantity transducer, coolant water temperature sensing
Device, chilled water sensor, engine oil pressure pickup, oil temperature sensor, low machine oil position alarm sensor, motor torque
Sensor, rhythm of engine sensor；
The hydraulic pressure system monitoring device includes：Main pump pressure sensor, hydraulic oil temperature sensor, hydraulic pressure fuel level sensor, hydraulic pressure
Oil pollution monitoring sensor；
Temperature monitoring device includes in the driver's cabin：Temperature sensor and primary processor microcontroller；
The alarm threshold value setting device can carry out the manual and/or automatic setting of alarm threshold value according to different operating；
The display device shows the measured value of the sensor；
The alarm numerical value that each measuring device is arranged in device is arranged by alarm threshold value first, then excavator works, diesel oil hair
Temperature monitoring device and alarm threshold value setting device and display fill in motivation monitoring device, hydraulic system monitoring device and driver's cabin
Connection is set, measured data are input in alarm threshold value setting device, compared with the numerical value for the alarm being originally arranged, when
Device is arranged by alarm threshold value when measured numerical value is not belonging in range of normal value and sends out alarm, the display device is real-time
Display is vertical, and it is which component is sent out on excavator report that when alarm threshold value setting device sends out alarm, display device, which is shown,
It is alert, and presentation graphics feature is the location of in excavator.
The hydraulic system also sets up filter, with filter out leak into or system in the impurity that generates, in the inlet port of main pump
It is provided with larger oil filling capacity and smaller resistance, the coarse oil filter that filtering accuracy is 100um；In the second actuator port of overflow valve
Place is provided with the smart oil filter that intensity is relatively low, volume and weight is slightly smaller, filtering accuracy is 10um；The essence oil filter is parallel with one
Overflow valve two is provided with sensor on the overflow valve two, for detecting whether overflow valve two is opened, if overflow valve two is beaten
It opens, triggers alarm device, smart oil filter is prompted to be blocked；
Coarse oil filter, the oil outlet setting of the pioneer pump are also equipped in pioneer pump oil inlet pipe in the guide's oil circuit
There is some strength, the smart oil filter that filtering accuracy is 10um, an essence oil filter check valve in parallel, or blocking is set simultaneously
Instruction device, other Hydraulic Elements that can be thus effectively protected in the pilot system in addition to pioneer pump improve guide oil
The control accuracy on road.
Engine speed sensor uses reluctive transducer, non-contact measurement；Diesel oil fuel-quantity transducer uses liquid level
Sensor plug-in type is mounted on above fuel tank；Coolant temperature sensor sets 97 ± 2 DEG C of alarm point；Chilled water sensor is put into
Formula liquid level sensor；Engine oil pressure pickup thread connection is mounted in the main oil gallery of diesel engine；Oil temperature sensor
Mounted on the oil inlet of engine；Low machine oil position alarm sensor is when machine oil is less than setting value, control warning device alarm, when
After warning device continues the alarm settings time, diesel motor flameout is controlled；Motor torque sensor uses resistance strain gage
As sensing element；Rhythm of engine sensor is piezoelectric acceleration sensor.
Main pump pressure sensor is using diffusion silicon without cavity pressure sensor；Hydraulic oil temperature sensor is mounted on hydraulic oil container
It is interior；Hydraulic pressure fuel level sensor is mounted on inside hydraulic oil container；It is differential pressure transmitter device that hydraulic oil pollution, which monitors sensor, is arranged in institute
It states at coarse oil filter, alarm is sent out when coarse oil filter is blocked.
The beneficial effects of the present invention are：The component working state of excavator can be monitored, find work in time
In hidden danger, find the failure symptom of a trend in advance, improve operating condition, improve the level of comfort of driver, improve operating efficiency, energy
Enough accomplish that failure positions rapidly and improves repair accuracy.
Claims (3)
1. the Hydraulic slewing system of a kind of working state of excavator monitoring method, the excavator includes main pump 10, driving main pump
10 diesel engine 1, rotary motor 2, revolving body 3, main reversing valve 4, the master being located at turn around between motor 2 and main reversing valve 4
The oil outlet of oil circuit, the main pump 10 couples main reversing valve 4, and the working connection includes the first working connection 21 and the second working connection
22, it is provided with the first check valve 6 on the access of the first actuator port of the first working connection to overflow valve 5, the second working connection is to overflowing
It flows and is provided with the second check valve 7 on the access of the first actuator port of valve 5, the second actuator port connection oil of the overflow valve 5
Case, when the oil pressure in working connection reaches setting value, the first actuator port and the conducting of the second actuator port；The excavator also wraps
Guide's oil circuit is included, flow direction and break-make for controlling main reversing valve；
The excavator is with temperature monitoring device, report in diesel engine monitoring device, hydraulic system monitoring device, driver's cabin
Alert threshold value setting device and display device；
The diesel engine monitoring device includes：Engine speed sensor, diesel oil fuel-quantity transducer, coolant water temperature sensing
Device, chilled water sensor, engine oil pressure pickup, oil temperature sensor, low machine oil position alarm sensor, motor torque
Sensor, rhythm of engine sensor；
The hydraulic pressure system monitoring device includes：Main pump pressure sensor, hydraulic oil temperature sensor, hydraulic pressure fuel level sensor, hydraulic pressure
Oil pollution monitoring sensor；
Temperature monitoring device includes in the driver's cabin：Temperature sensor and primary processor microcontroller；
The alarm threshold value setting device can carry out the manual and/or automatic setting of alarm threshold value according to different operating；
The display device shows the measured value of the sensor；
The hydraulic system also sets up filter, and the inlet port of main pump is provided with coarse oil filter, in the second work of overflow valve
Oil port is provided with smart oil filter；The essence oil filter is parallel with an overflow valve two, and sensor is provided on the overflow valve two,
Coarse oil filter is provided in pioneer pump oil inlet pipe in the guide's oil circuit, the oil outlet of the pioneer pump is provided with
Smart oil filter, an essence oil filter check valve in parallel, or blocking instruction device is set simultaneously,
The alarm numerical value that each measuring device is arranged in device is arranged by alarm threshold value first, then excavator works, diesel oil hair
Temperature monitoring device and alarm threshold value setting device and display fill in motivation monitoring device, hydraulic system monitoring device and driver's cabin
Connection is set, measured data are input in alarm threshold value setting device, compared with the numerical value for the alarm being originally arranged, when
Device is arranged by alarm threshold value when measured numerical value is not belonging in range of normal value and sends out alarm, the display device is real-time
Display is vertical, and it is which component is sent out on excavator report that when alarm threshold value setting device sends out alarm, display device, which is shown,
It is alert, and presentation graphics feature is the location of in excavator.
2. a kind of working state of excavator monitoring method according to claim 1, it is characterised in that：The engine speed
Sensor uses reluctive transducer, non-contact measurement；
The diesel oil fuel-quantity transducer is mounted on using liquid level sensor plug-in type above fuel tank；The coolant temperature sensor is set
Determine 97 ± 2 DEG C of alarm point；The chilled water sensor throw-in type liquid level sensor；The engine oil pressure pickup thread connection
In the main oil gallery of diesel engine；The oil temperature sensor is mounted on the oil inlet of engine；The low machine oil
Position alarm sensor is when machine oil is less than setting value, control warning device alarm, after warning device continues the alarm settings time,
Control diesel motor flameout；The motor torque sensor is using resistance strain gage as sensing element；The engine
Vibration frequency sensor is piezoelectric acceleration sensor.
3. a kind of working state of excavator monitoring method according to claim 2, it is characterised in that：The main pump pressure passes
Sensor is using diffusion silicon without cavity pressure sensor；The hydraulic oil temperature sensor is mounted in hydraulic oil container；The hydraulic pressure oil level
Sensor is mounted on inside hydraulic oil container；The hydraulic oil pollution monitoring sensor is differential pressure transmitter device, is arranged in the coarse filtration
At oily device, alarm is sent out when coarse oil filter is blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543664.0A CN108661109A (en) | 2018-05-31 | 2018-05-31 | A kind of working state of excavator monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543664.0A CN108661109A (en) | 2018-05-31 | 2018-05-31 | A kind of working state of excavator monitoring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108661109A true CN108661109A (en) | 2018-10-16 |
Family
ID=63774599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810543664.0A Withdrawn CN108661109A (en) | 2018-05-31 | 2018-05-31 | A kind of working state of excavator monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108661109A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364551A (en) * | 2020-03-25 | 2020-07-03 | 三一重机有限公司 | Excavator fault diagnosis system and method |
| CN114111883A (en) * | 2021-10-20 | 2022-03-01 | 上海华兴数字科技有限公司 | Working machine performance detection system and method and working machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824831A (en) * | 2010-04-16 | 2010-09-08 | 山推工程机械股份有限公司 | Automatic fault diagnosis system of bulldozer |
| CN202440871U (en) * | 2012-02-16 | 2012-09-19 | 熔盛机械有限公司 | Control system for preventing oil cylinder of hydraulic excavator from empty suction |
| CN202579469U (en) * | 2012-04-23 | 2012-12-05 | 北京市三一重机有限公司 | Filtering device and engineering machinery provided with filtering device |
| JP2013148175A (en) * | 2012-01-20 | 2013-08-01 | Kobelco Contstruction Machinery Ltd | Hydraulic circuit of construction machine |
| CN203440859U (en) * | 2013-08-24 | 2014-02-19 | 烟台兴业机械股份有限公司 | Intelligent fault diagnosis and monitor system of underground carry-scraper |
| CN104912136A (en) * | 2015-05-28 | 2015-09-16 | 潍柴动力股份有限公司 | Excavator and rotational hydraulic system thereof |
-
2018
- 2018-05-31 CN CN201810543664.0A patent/CN108661109A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824831A (en) * | 2010-04-16 | 2010-09-08 | 山推工程机械股份有限公司 | Automatic fault diagnosis system of bulldozer |
| JP2013148175A (en) * | 2012-01-20 | 2013-08-01 | Kobelco Contstruction Machinery Ltd | Hydraulic circuit of construction machine |
| CN202440871U (en) * | 2012-02-16 | 2012-09-19 | 熔盛机械有限公司 | Control system for preventing oil cylinder of hydraulic excavator from empty suction |
| CN202579469U (en) * | 2012-04-23 | 2012-12-05 | 北京市三一重机有限公司 | Filtering device and engineering machinery provided with filtering device |
| CN203440859U (en) * | 2013-08-24 | 2014-02-19 | 烟台兴业机械股份有限公司 | Intelligent fault diagnosis and monitor system of underground carry-scraper |
| CN104912136A (en) * | 2015-05-28 | 2015-09-16 | 潍柴动力股份有限公司 | Excavator and rotational hydraulic system thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364551A (en) * | 2020-03-25 | 2020-07-03 | 三一重机有限公司 | Excavator fault diagnosis system and method |
| CN114111883A (en) * | 2021-10-20 | 2022-03-01 | 上海华兴数字科技有限公司 | Working machine performance detection system and method and working machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181016 |