CN108661108A - A kind of excavator with detection function - Google Patents
A kind of excavator with detection function Download PDFInfo
- Publication number
- CN108661108A CN108661108A CN201810537281.2A CN201810537281A CN108661108A CN 108661108 A CN108661108 A CN 108661108A CN 201810537281 A CN201810537281 A CN 201810537281A CN 108661108 A CN108661108 A CN 108661108A
- Authority
- CN
- China
- Prior art keywords
- oil
- sensor
- hydraulic
- excavator
- alarm
- 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- Withdrawn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 excavators with detection function, 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 the excavator with working condition monitoring function 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 excavator with monitoring function, can be to excavator
Component working state is monitored, and finds the hidden danger in work in time, being capable of accurate process problem.
The present invention specifically uses following technical scheme to realize,
The Hydraulic slewing system of a kind of excavator with monitoring function, the excavator includes main pump, drives the diesel oil of main pump
Engine, rotary motor, revolving body, main reversing valve, the working connection being located at turn around between motor and main reversing valve,
The oil outlet of the main pump couples main reversing valve,
The working connection includes the first working connection and the second working connection, and the first actuator port of the first working connection to overflow valve leads to
Road is provided with the first check valve, and it is unidirectional that second is provided on the access of the first actuator port of the second working connection to overflow valve
Valve can open the first actuator port of the first check valve connection overflow valve, the second working connection high pressure in the first working connection high pressure
When, the first actuator port of the second check valve connection overflow valve can be opened, the overflow valve also has control port and the second work
Make hydraulic fluid port, the first actuator port and the conducting of the second actuator port when pressure reaches setting value, high pressure oil is through the second actuator port
It flows back into fuel tank；
The excavator further includes guide's oil circuit, flow direction and break-make for controlling main reversing valve；
The excavator includes：Diesel engine measuring device, hydraulic system measuring device, drive indoor temperature measuring device,
Device and display device is arranged in alarm threshold value；
The diesel engine measuring 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 measuring device includes：Main pump pressure sensor, hydraulic oil temperature sensor, hydraulic pressure fuel level sensor, hydraulic pressure
Oil pollution monitoring sensor；
The driving indoor temperature measuring device includes：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, with filter out leak into or system in the impurity that generates, be arranged in the inlet port of main pump
There are larger oil filling capacity and smaller resistance, the coarse oil filter that filtering accuracy is 100um；It is set at the second actuator port of overflow valve
It is equipped 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 an 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 opened
Alarm device is triggered, 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.
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
The principle schematic of Fig. 1 excavator hydraulic systems；
Diesel engine 1, rotary motor 2, revolving body 3, main reversing valve 4, overflow valve 5, the first check valve 6, second are unidirectional in figure
Valve 7, shuttle valve 8, guide's oil circuit 9, main pump 10, third check valve 11, slippage pump 12, 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 excavator, the Hydraulic slewing system of 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
Road,
The oil outlet of the main pump 10 couples main reversing valve 4,
The working connection includes the first working connection 21 and the second working connection 22, the first working oil of the first working connection to overflow valve 5
Mouthful access on be provided with the first check valve 6, the is provided on the access of the first actuator port of the second working connection to overflow valve 5
Two check valves 7, in the first working connection high pressure, can open the first check valve 6 connection overflow valve 5 the first actuator port, second
When working connection high pressure, the first actuator port of the second check valve 7 connection overflow valve 5 can be opened, the overflow valve 5 also has control
Hydraulic fluid port and the second actuator port, the first actuator port and the conducting of the second actuator port, high pressure oil warp when pressure reaches setting value
Second actuator port flows back into fuel tank；
The excavator further includes guide's oil circuit 9, flow direction and break-make for controlling main reversing valve 4；
The excavator includes：Diesel engine measuring device, hydraulic system measuring device, drive indoor temperature measuring device,
Device and display device is arranged in alarm threshold value；
The diesel engine measuring 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 measuring device includes：Main pump pressure sensor, hydraulic oil temperature sensor, hydraulic pressure fuel level sensor, hydraulic pressure
Oil pollution monitoring sensor；
The driving indoor temperature measuring device includes：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, with filter out leak into or system in the impurity that generates, be arranged in the inlet port of main pump
There are larger oil filling capacity and smaller resistance, the coarse oil filter that filtering accuracy is 100um；It is set at the second actuator port of overflow valve
It is equipped 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 an 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 opened
Alarm device is triggered, 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.
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.
Claims (3)
1. the Hydraulic slewing system of a kind of excavator with detection function, 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
It is provided with the second check valve 7 on the access of 5 the first actuator port, in the first working connection high pressure, the first check valve 6 can be opened
It is connected to the first actuator port of overflow valve 5, when the second working connection high pressure, the first of the second check valve 7 connection overflow valve 5 can be opened
Actuator port, the overflow valve 5 also have control port and the second actuator port, the first working oil when pressure reaches setting value
Mouth and the conducting of the second actuator port, high pressure oil are flowed back into through the second actuator port in fuel tank；
The excavator further includes guide's oil circuit, flow direction and break-make for controlling main reversing valve；
The excavator includes：Diesel engine measuring device, hydraulic system measuring device, drive indoor temperature measuring device,
Device and display device is arranged in alarm threshold value；
The diesel engine measuring 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 measuring device includes：Main pump pressure sensor, hydraulic oil temperature sensor, hydraulic pressure fuel level sensor, hydraulic pressure
Oil pollution monitoring sensor；
The driving indoor temperature measuring device includes：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, with filter out leak into or system in the impurity that generates, be arranged in the inlet port of main pump
There are larger oil filling capacity and smaller resistance, the coarse oil filter that filtering accuracy is 100um；It is set at the second actuator port of overflow valve
It is equipped 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 an 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 opened
Alarm device is triggered, 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.
2. excavator according to claim 1, it is characterised in that：The engine speed sensor is sensed using reluctance type
Device, 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 sets 97 ± 2 DEG C of alarm point；
The chilled water sensor throw-in type liquid level sensor；
The engine oil pressure pickup thread connection is mounted 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, when warning device continues
After the alarm settings time, diesel motor flameout is controlled；
The motor torque sensor is using resistance strain gage as sensing element；
The rhythm of engine sensor is piezoelectric acceleration sensor.
3. excavator according to claim 2, it is characterised in that：The main pump pressure sensor is using diffusion silicon without chamber pressure
Force snesor；
The hydraulic oil temperature sensor is mounted in hydraulic oil container；
The hydraulic pressure fuel level sensor is mounted on inside hydraulic oil container；
The hydraulic oil pollution monitoring sensor is differential pressure transmitter device, is arranged at the coarse oil filter, when coarse oil filter is blocked
Alarm is sent out when plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537281.2A CN108661108A (en) | 2018-05-30 | 2018-05-30 | A kind of excavator with detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537281.2A CN108661108A (en) | 2018-05-30 | 2018-05-30 | A kind of excavator with detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108661108A true CN108661108A (en) | 2018-10-16 |
Family
ID=63774300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810537281.2A Withdrawn CN108661108A (en) | 2018-05-30 | 2018-05-30 | A kind of excavator with detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108661108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707499A (en) * | 2018-12-06 | 2019-05-03 | 连云港天明装备有限公司 | A kind of mine vehicle engine water protective device |
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
- 2018-05-30 CN CN201810537281.2A patent/CN108661108A/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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707499A (en) * | 2018-12-06 | 2019-05-03 | 连云港天明装备有限公司 | A kind of mine vehicle engine water protective device |
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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 |
Application publication date: 20181016 |
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| WW01 | Invention patent application withdrawn after publication |