CN110360186A - One kind overturning system detection method based on PLC hydraulic cab - Google Patents
One kind overturning system detection method based on PLC hydraulic cab Download PDFInfo
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- CN110360186A CN110360186A CN201910700142.1A CN201910700142A CN110360186A CN 110360186 A CN110360186 A CN 110360186A CN 201910700142 A CN201910700142 A CN 201910700142A CN 110360186 A CN110360186 A CN 110360186A
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- Prior art keywords
- oil pump
- plc
- rocker arm
- overturning
- preset time
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/855—Testing of fluid pressure systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/87—Detection of failures
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Fluid-Pressure Circuits (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The present invention relates to automobile technical fields, more particularly to a kind of PLC hydraulic cab that is based on to overturn system detection method.Step 1: starting, experimental rig position initialization；Step 2: PLC internal processes initialization；Step 3: control oil pump commutation switching position is in " rising ", PLC control oil pump reversing handle electromagnetism valve events, and oil pump commutation rotates small cylinder movement, and oil pump reversing handle is in lifting position；Step 4: the big cylinder of control oil pump rocker arm moves back and forth, and is lifted driver's cabin by lever mechanism, PLC control oil pump rocker arm electromagnetism valve events, the big cylinder reciprocating action of fuel pump rocker arm, drives hydraulic overturning oil pump pump oil via lever mechanism；To control driver's cabin lifting；It is reliable operation, high-efficient and at low cost.
Description
Technical field
The present invention relates to automobile technical fields, more particularly to a kind of PLC hydraulic cab that is based on to overturn system detection method.
Background technique
Modern heavy-duty automobile head moulding is generally brachycephaly, and engine and gearbox dynamic assembly are arranged under driver's cabin
Side, in a heavy-duty car in its entire military service period, daily power assembly maintenance & maintenance etc. is both needed to driver's cab turnover to rise
Working space out, therefore hydraulic cab overturning system is most important；To guarantee weight vapour Commercial Vehicle hydraulic cab overturning system
It unites and designs the reliability to work in military service life cycle at it, Chong Qi manufacturer needs counterweight vapour when weight vapour research and development demonstration
Hydraulic cab overturns system and carries out endurance quality test；Current many enterprises are also in the original tested using manual operation
Beginning state, consumes a large amount of manpower and inefficiency, and the present invention has outstanding PLC control algolithm, full-automatic operation, failure
It is automatic identification and processing, reliable operation, high-efficient at low cost；It is resistance to Jiangling weight vapour hydraulic cab overturning system has been successfully applied to
Test long.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, and provide a kind of based on PLC driver's cabin
Hydraulic overturning system detection method.
In order to achieve the object of the present invention, the technical solution adopted by the present invention are as follows: one kind is overturn based on PLC hydraulic cab
System detection method, comprising the following steps:
Step 1: starting, experimental rig position initialization；
Step 2: PLC internal processes initialization；
Step 3: control oil pump commutation switching position is in " rising ", PLC control oil pump reversing handle electromagnetism valve events,
Oil pump commutation rotates small cylinder movement, and oil pump reversing handle is in lifting position；
Step 4: the big cylinder of control oil pump rocker arm moves back and forth, and is lifted driver's cabin by lever mechanism, PLC control oil
Rocker arm electromagnetism valve events are pumped, the big cylinder reciprocating action of fuel pump rocker arm drives hydraulic overturning oil pump pump oil via lever mechanism；With control
Driver's cabin lifting processed；
Step 5: determine that driver's cab turnover is to upward maximum position within the preset time, in preset time, PLC is continuous
" in overturning in place " detection switch is read, the detection switch closure signal is read within the preset time, and then program goes to " sequence
Numbers 6 ", it is unread to then programming jump to " serial number 11 "；
Step 6: according to test demand, process control is waited 10 seconds, tests demand, waiting time can be according to different
Test demand is configured；After waiting time arrives, " serial number 7 " is jumped to；
Step 7: control oil pump commutation switching position is in " decline ", PLC control oil pump reversing handle electromagnetism valve events,
Oil pump commutation rotates small cylinder movement, and oil pump reversing handle is in down position；
Step 8: the big cylinder of control oil pump rocker arm moves back and forth, and declines driver's cabin by lever mechanism, PLC control oil
Rocker arm electromagnetism valve events are pumped, the big cylinder reciprocating action of fuel pump rocker arm drives hydraulic overturning oil pump pump oil via lever mechanism；With control
Driver's cabin decline processed；
Step 9: determine that driver's cab turnover is to downward maximum position within the preset time, in preset time, PLC is continuous
" under overturning in place " detection switch is read, the detection switch closure signal is read within the preset time, and then program goes to " sequence
Numbers 10 ", it is unread to then programming jump to " serial number 11 "；
Step 10: according to test demand, process control is waited 10 seconds, tests demand, waiting time can be according to different
Test demand is configured；After waiting time arrives, " serial number 3 " is jumped to；
Step 11: troubleshooting.
Initialize installation includes: in step 1
Step 1: driver's cabin is in lowering position；
Step 2: the big cylinder of fuel pump rocker arm, oil pump commutation rotate small cylinder and are in predetermined state；
Step 3: experimental rig " gas " circuit, " electricity " circuit are all connected in place；
Step 4: in overturning in place detection switch, under in place detection switch be arranged in appropriate location；
Step 5: it counts display module sensor and also is disposed on appropriate location.
Step 2 includes:
1, preset time in corresponding overturning, under overturning.The preset time judges to use for " serial number 5 "
2, the big cylinder reciprocation time of rocker arm；
3, oil pump commutation rotates small cylinder run duration；Inside the burned PLC of these preset datas.
The troubleshooting of step 11 includes:
1: oil pump commutation electric rotating magnet valve power-off；
2: the power-off of fuel pump rocker arm solenoid valve；
3: warning device work.
The beneficial effects of the present invention are:
There is the present invention outstanding PLC control algolithm, program operation thinking to simulate customer's normal use completely；
It is aside taken care of after full-automation operation, starter without testing crew
Failure automatic identification and processing, failure occur, and alarm lamp sounds, and reminds testing crew；
It is reliable operation, high-efficient and at low cost；
Top-down upset circulation number in real time as it can be seen that and have power-off and save, power on and automatically restore to the upper registration function of display；
Detailed description of the invention
The present invention is described further with case study on implementation with reference to the accompanying drawing.
Fig. 1: systematic schematic diagram；
Fig. 2: reversing handle & hand-operated rocker arm schematic diagram；
Fig. 3: program control flow chart.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Referring to Fig. 1-3.
The invention discloses one kind to overturn system detection method based on PLC hydraulic cab, comprising the following steps:
Step 1: starting, experimental rig position initialization；
Step 2: PLC internal processes initialization；
Step 3: control oil pump commutation switching position is in " rising ", PLC control oil pump reversing handle electromagnetism valve events,
Oil pump commutation rotates small cylinder movement, and oil pump reversing handle is in lifting position；
Step 4: the big cylinder of control oil pump rocker arm moves back and forth, and is lifted driver's cabin by lever mechanism, PLC control oil
Rocker arm electromagnetism valve events are pumped, the big cylinder reciprocating action of fuel pump rocker arm drives hydraulic overturning oil pump pump oil via lever mechanism；With control
Driver's cabin lifting processed；
Step 5: determine that driver's cab turnover is to upward maximum position within the preset time, in preset time, PLC is continuous
" in overturning in place " detection switch is read, the detection switch closure signal is read within the preset time, and then program goes to " sequence
Numbers 6 ", it is unread to then programming jump to " serial number 11 "；
Step 6: according to test demand, process control is waited 10 seconds, tests demand, waiting time can be according to different
Test demand is configured；After waiting time arrives, " serial number 7 " is jumped to；
Step 7: control oil pump commutation switching position is in " decline ", PLC control oil pump reversing handle electromagnetism valve events,
Oil pump commutation rotates small cylinder movement, and oil pump reversing handle is in down position；
Step 8: the big cylinder of control oil pump rocker arm moves back and forth, and declines driver's cabin by lever mechanism, PLC control oil
Rocker arm electromagnetism valve events are pumped, the big cylinder reciprocating action of fuel pump rocker arm drives hydraulic overturning oil pump pump oil via lever mechanism；With control
Driver's cabin decline processed；
Step 9: determine that driver's cab turnover is to downward maximum position within the preset time, in preset time, PLC is continuous
" under overturning in place " detection switch is read, the detection switch closure signal is read within the preset time, and then program goes to " sequence
Numbers 10 ", it is unread to then programming jump to " serial number 11 "；
Step 10: according to test demand, process control is waited 10 seconds, tests demand, waiting time can be according to different
Test demand is configured；After waiting time arrives, " serial number 3 " is jumped to；
Step 11: troubleshooting.
Initialize installation includes: in step 1
Step 1: driver's cabin is in lowering position；
Step 2: the big cylinder of fuel pump rocker arm, oil pump commutation rotate small cylinder and are in predetermined state；
Step 3: experimental rig " gas " circuit, " electricity " circuit are all connected in place；
Step 4: in overturning in place detection switch, under in place detection switch be arranged in appropriate location；
Step 5: it counts display module sensor and also is disposed on appropriate location.
Step 2 includes:
1, preset time in corresponding overturning, under overturning.The preset time judges to use for " serial number 5 "
2, the big cylinder reciprocation time of rocker arm；
3, oil pump commutation rotates small cylinder run duration；Inside the burned PLC of these preset datas.
The troubleshooting of step 11 includes:
1: oil pump commutation electric rotating magnet valve power-off；
2: the power-off of fuel pump rocker arm solenoid valve；
3: warning device work.
Based on the signal of PLC acquisition, the calculating of internal control algorithm is carried out, and then carries out corresponding output control, system
Architecture diagram refers to Fig. 1:
Each functions of modules explanation:
1, PLC control core: PLC module is based on mitsubishi FX2N series of PLC, inside write-in PLC control statement；Major function
To carry out corresponding output control according to acquisition sensor signal；
2,220V exchange turns 24V stable-pressure device: providing the power supply output of corresponding voltage for each subsystem of device；
3, " in overturning in place " detection switch: when weight vapour driver's cab turnover runs up maximum position, which is opened
Output closure signal is closed, which is normally opened (NO)；
4, " under overturning in place " detection switch: when weight vapour driver's cab turnover runs down to maximum position, which is opened
Output closure signal is closed, which is normally opened (NO)；
5, alarm module: if breaking down during hydraulic cab overturning system durable test, test pause, alarm
Module buzzer warning lamp sounds, and reminds testing crew test to occur abnormal；
6, count display module: experimental rig fault-free completes a driver's cab turnover circulation, and the number of display adds 1, together
When the module have power-off protection, re-power and automatically restore to a count status function；
7, oil pump reversing handle solenoid valve: three 5 three-way electromagnetic valves (intermediate exhaust type), control oil pump commutation rotate small cylinder
Movement；
8, fuel pump rocker arm solenoid valve: 3 position-5 way solenoid valve (intermediate exhaust type), the big cylinder movement of control oil pump rocker arm；
9, air pressure adjustment/stabilising arrangement a: mainly including pressure reducing valve, and shutoff valve connects for adjusting through fuel pump rocker arm solenoid valve
Mouth is manually adjusted to gas atmosphere intratracheal between the big cylinder of fuel pump rocker arm and flow velocity；
10, gas source provides device: connection factory integrally supplies or air compressor gas supply, including oil water separator, air
Drier；
11, air pressure adjustment/stabilising arrangement b: mainly including pressure reducing valve, shutoff valve, for adjusting through oil pump reversing handle electricity
Magnet valve is interfaced to oil pump commutation and rotates intratracheal gas atmosphere and flow velocity between small cylinder, manually adjusts；
12, oil pump commutation rotates small cylinder: being connected via a connection small jig with oil pump reversing handle, which is rotation
Movement；The switching control of rotation position drives " rising " or " decline " mode of being in；
13, the big cylinder of fuel pump rocker arm: via the hand-operated rocker arm of lever mechanism connection oil pump, which is operated to back and forth
Formula.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, are similarly included in
In scope of patent protection of the invention.
Claims (4)
1. one kind overturns system detection method based on PLC hydraulic cab, which comprises the following steps:
Step 1: starting, experimental rig position initialization；
Step 2: PLC internal processes initialization；
Step 3: control oil pump commutation switching position is in " rising ", PLC control oil pump reversing handle electromagnetism valve events, oil pump
Commutation rotates small cylinder movement, and oil pump reversing handle is in lifting position；
Step 4: the big cylinder of control oil pump rocker arm moves back and forth, and is lifted driver's cabin by lever mechanism, PLC control oil pump shakes
Arm electromagnetism valve events, the big cylinder reciprocating action of fuel pump rocker arm drive hydraulic overturning oil pump pump oil via lever mechanism；It is driven with control
Sail room lifting；
Step 5: determine that driver's cab turnover is to upward maximum position within the preset time, in preset time, PLC is constantly read
" in overturning in place " detection switch, the detection switch closure signal is read within the preset time, and then program goes to " serial number 6 ",
It is unread to then programming jump to " serial number 11 "；
Step 6: according to test demand, process control is waited 10 seconds, tests demand, waiting time can be according to different tests
Demand is configured；After waiting time arrives, " serial number 7 " is jumped to；
Step 7: control oil pump commutation switching position is in " decline ", PLC control oil pump reversing handle electromagnetism valve events, oil pump
Commutation rotates small cylinder movement, and oil pump reversing handle is in down position；
Step 8: the big cylinder of control oil pump rocker arm moves back and forth, and declines driver's cabin by lever mechanism, PLC control oil pump shakes
Arm electromagnetism valve events, the big cylinder reciprocating action of fuel pump rocker arm drive hydraulic overturning oil pump pump oil via lever mechanism；It is driven with control
Sail room decline；
Step 9: determine that driver's cab turnover is to downward maximum position within the preset time, in preset time, PLC is constantly read
" under overturning in place " detection switch, the detection switch closure signal is read within the preset time, and then program goes to " serial number
10 ", it is unread to then programming jump to " serial number 11 "；
Step 10: according to test demand, process control is waited 10 seconds, tests demand, waiting time can be according to different tests
Demand is configured；After waiting time arrives, " serial number 3 " is jumped to；
Step 11: troubleshooting.
2. according to claim 1 a kind of based on PLC hydraulic cab overturning system detection method, which is characterized in that step
Initialize installation includes: in rapid one
Step 1: driver's cabin is in lowering position；
Step 2: the big cylinder of fuel pump rocker arm, oil pump commutation rotate small cylinder and are in predetermined state；
Step 3: experimental rig " gas " circuit, " electricity " circuit are all connected in place；
Step 4: in overturning in place detection switch, under in place detection switch be arranged in appropriate location；
Step 5: it counts display module sensor and also is disposed on appropriate location.
3. according to claim 1 a kind of based on PLC hydraulic cab overturning system detection method, which is characterized in that step
Rapid two include:
1, preset time in corresponding overturning, under overturning.The preset time judges to use for " serial number 5 "
2, the big cylinder reciprocation time of rocker arm；
3, oil pump commutation rotates small cylinder run duration；Inside the burned PLC of these preset datas.
4. according to claim 1 a kind of based on PLC hydraulic cab overturning system detection method, which is characterized in that step
Rapid 11 troubleshooting includes:
1: oil pump commutation electric rotating magnet valve power-off；
2: the power-off of fuel pump rocker arm solenoid valve；
3: warning device work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700142.1A CN110360186B (en) | 2019-07-31 | 2019-07-31 | Test method for hydraulic turnover system based on PLC cab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700142.1A CN110360186B (en) | 2019-07-31 | 2019-07-31 | Test method for hydraulic turnover system based on PLC cab |
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| CN110360186A true CN110360186A (en) | 2019-10-22 |
| CN110360186B CN110360186B (en) | 2020-06-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595593A (en) * | 2020-05-29 | 2020-08-28 | 东风商用车有限公司 | Cab turnover test device and test method thereof |
| CN112014121A (en) * | 2020-09-07 | 2020-12-01 | 湖南行必达网联科技有限公司 | Cab turnover system experiment device and vehicle experiment system |
| CN112684752A (en) * | 2020-12-02 | 2021-04-20 | 湖南行必达网联科技有限公司 | Cab turnover test device and test method |
| CN113666315A (en) * | 2021-08-23 | 2021-11-19 | 东风柳州汽车有限公司 | Cab turnover device |
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| JPS5828001A (en) * | 1981-08-08 | 1983-02-18 | Diesel Kiki Co Ltd | Hydraulic cylinder for cab tilting |
| CN203868043U (en) * | 2014-05-06 | 2014-10-08 | 浙江科力车辆控制系统有限公司 | Remote-controllable driving cab hydraulic lifter |
| CN204279667U (en) * | 2014-12-11 | 2015-04-22 | 襄阳群龙汽车部件股份有限公司 | A kind of hydraulic lifting turning device of automobile cab |
| CN204575344U (en) * | 2015-05-20 | 2015-08-19 | 湖北三江航天万山特种车辆有限公司 | A kind of driver's cab turnover test unit |
| CN205843971U (en) * | 2016-07-18 | 2016-12-28 | 陕西汽车实业有限公司 | Hydraulic cab upset systems test bed |
| CN106697079A (en) * | 2015-11-12 | 2017-05-24 | 北汽福田汽车股份有限公司 | Supporting device for cab, vehicle and safety early warning method of vehicle |
| CN107472382A (en) * | 2017-08-15 | 2017-12-15 | 安徽江淮汽车集团股份有限公司 | A kind of driver's cab turnover control device and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828001A (en) * | 1981-08-08 | 1983-02-18 | Diesel Kiki Co Ltd | Hydraulic cylinder for cab tilting |
| CN203868043U (en) * | 2014-05-06 | 2014-10-08 | 浙江科力车辆控制系统有限公司 | Remote-controllable driving cab hydraulic lifter |
| CN204279667U (en) * | 2014-12-11 | 2015-04-22 | 襄阳群龙汽车部件股份有限公司 | A kind of hydraulic lifting turning device of automobile cab |
| CN204575344U (en) * | 2015-05-20 | 2015-08-19 | 湖北三江航天万山特种车辆有限公司 | A kind of driver's cab turnover test unit |
| CN106697079A (en) * | 2015-11-12 | 2017-05-24 | 北汽福田汽车股份有限公司 | Supporting device for cab, vehicle and safety early warning method of vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595593A (en) * | 2020-05-29 | 2020-08-28 | 东风商用车有限公司 | Cab turnover test device and test method thereof |
| CN112014121A (en) * | 2020-09-07 | 2020-12-01 | 湖南行必达网联科技有限公司 | Cab turnover system experiment device and vehicle experiment system |
| CN112684752A (en) * | 2020-12-02 | 2021-04-20 | 湖南行必达网联科技有限公司 | Cab turnover test device and test method |
| CN113666315A (en) * | 2021-08-23 | 2021-11-19 | 东风柳州汽车有限公司 | Cab turnover device |
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| CN110360186B (en) | 2020-06-09 |
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