CN106741225A - A kind of intelligent cab tilting system - Google Patents
A kind of intelligent cab tilting system Download PDFInfo
- Publication number
- CN106741225A CN106741225A CN201710019157.2A CN201710019157A CN106741225A CN 106741225 A CN106741225 A CN 106741225A CN 201710019157 A CN201710019157 A CN 201710019157A CN 106741225 A CN106741225 A CN 106741225A
- Authority
- CN
- China
- Prior art keywords
- driver
- cabin
- pump
- hydraulic jack
- 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.)
- Pending
Links
- 230000005520 electrodynamics Effects 0.000 claims abstract description 29
- 239000003921 oil Substances 0.000 claims abstract description 21
- 239000002828 fuel tank Substances 0.000 claims abstract description 19
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 230000036461 convulsion Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 230000007306 turnover Effects 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/0633—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other pivotable about a vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/073—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other characterised by special adaptations of vehicle control devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to Advanced Automotive Automatic Control field, specifically a kind of intelligent cab tilting system, including electrodynamic pump, manual pump, hydraulic jack, fuel tank, hydraulic lock and stopping means, the oil inlet connection fuel tank of electrodynamic pump, oil-out connects manual pump, the oil-out of manual pump is respectively connecting to the rodless cavity and hydraulic lock of hydraulic jack, and the rod chamber connection oil return pipe of hydraulic jack, oil return pipe is connected to fuel tank；Manual pump, electrodynamic pump, hydraulic lock and fuel tank are arranged on vehicle frame, the rod chamber of hydraulic jack is hinged with driver's cabin, the rodless cavity of hydraulic jack is hinged with vehicle frame, manual pump and electrodynamic pump driving hydraulic oil extend the expansion link of hydraulic jack, drive driver's cab turnover, after spacing block set encounters block, driver's cabin stops upset.The present invention being capable of multiple-protection, it is ensured that safety during driver's cab turnover and intelligence degree is high.
Description
Technical field
The invention belongs to Advanced Automotive Automatic Control apparatus field, and in particular to a kind of intelligent cab tilting system.
Background technology
In the routine use of forward cab, to ensure that the core component maintaining such as engine can perform
Property, it usually needs cab tilting system is realized to cores such as engines by lifting driver's cabin and it is overturn to certain angle
The maintaining of center portion part.
Traditional cab tilting system generally uses simple hydraulic system, in cab tilting system running
In, system cannot provide intelligentized function of safety protection, and operating personnel also cannot quickly judge whether system operation is normal, this
For security incident has buried hidden danger caused by cab tilting system failure, operating personnel's work carelessness.Therefore, traditional driving
Room upset system is a factor for restricting upset system safety intelligent application and development.
The content of the invention
The purpose of the present invention is to overcome the cab tilting system in the prior art to have potential safety hazard, and intelligence degree is low
A kind of defect, there is provided intelligent cab tilting system high with multiple safety protection, intelligence degree.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of intelligent cab tilting system, it is characterised in that：Including electrodynamic pump, manual pump, hydraulic jack, fuel tank,
Hydraulic lock and stopping means, the electrodynamic pump are wholely set with fuel tank, and the oil inlet connection fuel tank of the electrodynamic pump, oil-out connects
Manual pump is connect, the oil-out of the manual pump is respectively connecting to the rodless cavity and hydraulic lock of hydraulic jack, institute by high-pressure oil pipe
The rod chamber connection oil return pipe of hydraulic jack is stated, the oil return pipe is connected to fuel tank；The manual pump, electrodynamic pump, hydraulic lock and
Fuel tank is arranged on vehicle frame, and rod chamber and the driver's cabin of the hydraulic jack are hinged, the rodless cavity and vehicle frame of the hydraulic jack
It is hinged, with vehicle frame be fixed together driver's cabin by being connected with the lock being arranged on driver's cabin by the hydraulic lock；The limit
Position device includes spacing block set and block, and the Floor-board frame of the two ends of the spacing block set respectively with vehicle frame and driver's cabin is hinged, institute
State block to be fixed on vehicle frame, manual pump and electrodynamic pump driving hydraulic oil extend the expansion link of hydraulic jack, drive driver's cabin
Upset, after spacing block set encounters block, driver's cabin stops upset.
Further, the turning device also includes being arranged on the infrared sensor under cab floor frame or on vehicle frame.
Further, the manual pump/check valve is provided between electrodynamic pump and hydraulic jack.
Further, it is provided with choke valve on the oil return pipe.
Further, the cab tilting system also includes ECU, and the ECU includes single-chip microcomputer, stroke
Switch, upset switch, electrothermal relay, scram button and buzzer, single-chip microcomputer is accessed after the travel switch, upset switch series connection
An input pin, the travel switch is arranged at preceding grid, and preceding grid is opened, travel switch closure；The jerk is pressed
Button accesses an input pin of single-chip microcomputer, and the infrared sensor accesses another input pin of single-chip microcomputer, the buzzing
Device accesses an output pin of single-chip microcomputer；Open travel switch closure after grid.
Further, the upset switch is connected on the input pin of single-chip microcomputer after being connected with electrothermal relay.
Further, the number of the hydraulic jack is 1~8.
Further, the hydraulic lock is fixed on the vehicle frame above front vehicle wheel.
Further, the rated pressure of the manual pump and electrodynamic pump is 40MP.
Further, the single-chip microcomputer, scram button, upset switch and buzzer are encapsulated in one by polyvinyl chloride
Rise.
A kind of beneficial effect of intelligent cab tilting system of the invention is：
1st, the present invention possesses manual pump and electrodynamic pump simultaneously, is applicable working range extensive；
2nd, the present invention passes through buzzer when infrared sensor detects driver's cabin and pulls back when having barrier or people on vehicle frame
Automatic alarm, it is safe and reliable；
3rd, the present invention possesses and is placed in travel switch before driver's cabin at grid and prevents as first of cab tilting system
Shield barrier, the preceding grid for only opening driver's cabin can start upset system, and preceding grid is concerned with vehicle frame in preventing switching process
Relate to and extrude impaired；
4th, the present invention possesses second protective barrier of the stopping means as cab tilting system, can prophylactically do
Cab floor frame is related to, driver's cab turnover angle over-limit condition is prevented；
5th, the present invention possesses threeth road protective barrier of the infrared sensor as cab tilting system, and driver's cab turnover is existing
Field easily occurs when driver's cabin starts to pull back, and operation or maintenance personal remain in the phenomenon of vehicle frame, and the present invention can be pre-
Whether there is obstructing objects on anti-property ground detection vehicle frame, and can in time pass through buzzer warning, it is intelligent and anti-with height
Shield property；
6th, the present invention possesses fourth road protective barrier of the electrothermal relay as cab tilting system, once electrodynamic pump is overheated
Overload, electrothermal relay can breaking circuit and buzzing in time alarm, with very strong protective；
7th, the present invention possesses fiveth road protective barrier of the scram button as cab tilting system, once operation or maintenance
Personnel found the abnormal situation, and can rapidly press scram button breaking circuit, with very strong practicality and reliability；
8th, the present invention being capable of multiple-protection, it is ensured that safety during driver's cab turnover and intelligence degree is high.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is that intellectuality cab tilting system of the invention is arranged on the upper schematic diagram of heavy card；
Fig. 2 is intelligent cab tilting system mechanical structure stereogram；
Fig. 3 is intelligent cab tilting system hydraulic circuit diagram；
Fig. 4 is intelligent cab tilting system ECU diagram；
Fig. 5 is stopping means front view；
Fig. 6 is stopping means stereogram；
Fig. 7 intellectuality cab tilting system workflow diagrams.
Wherein:1st, electrodynamic pump, 2, manual pump, 3, hydraulic jack, 4, fuel tank, 5, hydraulic lock, 6, stopping means, 61, spacing
Projection, 62, block, 7, high-pressure oil pipe, 8, oil return pipe, 9, infrared sensor, 10, vehicle frame, 11, driver's cabin, 12, check valve, 13,
Choke valve, 14, travel switch, 15, single-chip microcomputer, 16, upset switch, 17, electrothermal relay, 18, buzzer, 19, scram button.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
Of the invention intelligent driver's cabin 11 as shown in figs 1 to 6 overturns the specific embodiment of system, referring to Fig. 1-figure
3, upset system is arranged between vehicle frame 10 and driver's cabin 11, for driving driver's cabin 11 to overturn, including electrodynamic pump 1, manual pump
2nd, hydraulic jack 3, fuel tank 4, hydraulic lock 5 and stopping means 6, electrodynamic pump 1 are wholely set with fuel tank 4, and the oil inlet of electrodynamic pump 1 connects
Connected tank 4, oil-out connection manual pump 2, the oil-out of manual pump 2 is respectively connecting to the nothing of hydraulic jack 3 by high-pressure oil pipe 7
Rod cavity and hydraulic lock 5, the rod chamber connection oil return pipe 8 of hydraulic jack 3, oil return pipe 8 are connected to fuel tank 4；Manual pump 2, electrodynamic pump
1st, hydraulic lock 5 and fuel tank 4 are arranged on vehicle frame 10, and rod chamber and the driver's cabin 11 of hydraulic jack 3 are hinged, the nothing of hydraulic jack 3
Rod cavity is hinged with vehicle frame 10, and hydraulic lock 5 is consolidated driver's cabin 11 with vehicle frame 10 by being connected with the lock being arranged on driver's cabin 11
Connect together；As shown in Figure 5 and Figure 6, stopping means 6 includes spacing block set 61 and block 62, and the two ends of spacing block set 61 are distinguished
Floor-board frame with vehicle frame 10 and driver's cabin 11 is hinged, and block 62 is fixed on vehicle frame 10, and manual pump 2 and electrodynamic pump 1 drive hydraulic pressure
Oil extends the expansion link of hydraulic jack 3, drives driver's cabin 11 to overturn, after spacing block set 61 encounters block 62, driver's cabin 11
Stop upset.
Extending to lift driver's cabin 11 by hydraulic jack 3 overturns driver's cabin 11, when driver's cabin 11 needs to reset, liquid
Compressing cylinder 3 shrinks, driver's cabin 11 of pulling back, when being arranged on the vehicle frame 10 under driver's cabin 11 due to manual pump 2 and electrodynamic pump 1, operation
Often station on the vehicle frame 10 of the bottom of driver's cabin 11, easily causes danger to operating personnel, separately to personnel when driver's cabin 11 resets
On the one hand due to there is the obstacles such as other debris also to influence the reset of driver's cabin 11 on the vehicle frame 10 under driver's cabin 11, in order to solve
These problems, the embodiment of the present invention avoids other parts such as manual pump 2, electrodynamic pump 1 vehicle frame 10 or the bottom surface of driver's cabin 11
Position set one detection barrier infrared sensor 9.
As shown in figure 5, the upset system of driver's cabin 11 also includes ECU, ECU is opened including single-chip microcomputer 15, stroke
Close 14, upset switch 16, electrothermal relay 17, scram button 19 and buzzer 18, travel switch 14, upset switch 16 and hot relay
Device 17 accesses an input pin of single-chip microcomputer 15 after connecting, travel switch 14 is arranged at preceding grid, and preceding grid is opened, stroke
Switch 14 is closed；Scram button 19 accesses an input pin of single-chip microcomputer 15, and infrared sensor 9 accesses the another of single-chip microcomputer 15
Individual input pin, buzzer 18 accesses an output pin of single-chip microcomputer 15；Travel switch 14 is closed after opening grid.For weight
For card, in the switching process of driver's cabin 11, if preceding grid is not opened easily causes interference with vehicle frame 10, and it is caused brokenly
It is bad, so preceding grid must be opened before driver's cabin 11 overturns.
As shown in figure 4, being provided with check valve 12 between the electrodynamic pump 1 of manual pump 2/ and hydraulic jack 3.Set on oil return pipe 8
There is choke valve 13.
There is the lock for being used for being locked on vehicle frame 10, hydraulic lock 5 is fixed on the car above front vehicle wheel on driver's cabin 11
On frame 10, after driver's cabin 11 resets, driver's cabin 11 is locked on vehicle frame 10 by hydraulic lock 5 and lock.
In the present embodiment, the number of hydraulic jack 3 is 1~8.
In the present embodiment, the rated pressure of manual pump 2 and electrodynamic pump 1 is 40MP.
In the present embodiment, single-chip microcomputer 15, scram button 19, upset switch 16 and buzzer 18 are encapsulated in by polyvinyl chloride
Together.
In addition, also having multiple strainer valves in fluid pressure line in the present embodiment.
Spacing block set 61 is arc-shaped near one end of block 62.
The course of work of the embodiment of the present invention is as shown in Figure 7：
A kind of logic chart of the cab tilting system application method with multiple-protection function shown in Fig. 6, main bag
Include following five steps：First, grid before driver's cabin 11 is opened, i.e., travel switch 14 is closed, presses upset switch 16, now
Driver's cabin 11 begins turning；
Secondly, when driver's cab turnover angle goes beyond the limit of value, block 62 can interfere spacing block set 61, and driving is blocked in time
Room 11；
Then, when driver's cabin 11 is pulled back, infrared sensor 9 can be detected with the presence or absence of obstructing objects on vehicle frame 10, if
Obstructing objects are detected, single-chip microcomputer 15 gives emergent stop signal, and fire buzzer 18 and alarmed, now removing obstacles object, presses again
Lower upset switch 16, driver's cabin 11 continues to pull back；
Finally, driver's cabin 11 is pulled back in place, and hydraulic lock 5 pins driver's cabin 11, and the upset of driver's cabin 11 is finished；
In addition, when electrodynamic pump 1 overloads and overheats, electrothermal relay 17 disconnects automatically, and driver's cabin 11 stops upset.Driver's cabin 11
Once finding any abnormal conditions in switching process, scram button 19 can be pressed, driver's cabin 11 stops upset.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
Obvious change that spirit of the invention is extended out or among changing still in protection scope of the present invention.
Claims (10)
1. a kind of intelligent cab tilting system, it is characterised in that：Including electrodynamic pump (1), manual pump (2), hydraulic jack
(3), fuel tank (4), hydraulic lock (5) and stopping means (6), the electrodynamic pump (1) are wholely set with fuel tank (4), the electrodynamic pump
(1) oil inlet connects fuel tank (4), and oil-out connects manual pump (2), and the oil-out of the manual pump (2) passes through high-pressure oil pipe
(7) rodless cavity and hydraulic lock (5) of hydraulic jack (3), the rod chamber connection oil return pipe of the hydraulic jack (3) are respectively connecting to
(8), the oil return pipe (8) is connected to fuel tank (4)；The manual pump (2), electrodynamic pump (1), hydraulic lock (5) and fuel tank (4) are set
On vehicle frame (10), rod chamber and the driver's cabin (11) of the hydraulic jack (3) are hinged, the rodless cavity of the hydraulic jack (3)
Be hinged with vehicle frame (10), the hydraulic lock (5) by be connected with the lock being arranged on driver's cabin (11) by driver's cabin (11) with
Vehicle frame (10) is fixed together；The stopping means (6) includes spacing block set (61) and block (62), the spacing block set (61)
Floor-board frame of the two ends respectively with vehicle frame (10) and driver's cabin (11) be hinged, the block (62) is fixed on vehicle frame (10), hand
Dynamic pump (2) and electrodynamic pump (1) driving hydraulic oil extend the expansion link of hydraulic jack (3), drive driver's cabin (11) upset, work as limit
After block (62) is encountered in position projection (61), driver's cabin (11) stops upset.
2. intelligent cab tilting system according to claim 1, it is characterised in that：The turning device also includes setting
Put the infrared sensor (9) under driver's cabin (11) Floor-board frame or on vehicle frame (10).
3. intelligent cab tilting system according to claim 1 and 2, it is characterised in that：The manual pump (2)/electricity
It is dynamic that check valve (12) is provided between pump (1) and hydraulic jack (3).
4. intelligent cab tilting system according to claim 3, it is characterised in that：Set on the oil return pipe (8)
There is choke valve (13).
5. intelligent cab tilting system according to claim 1 and 2, it is characterised in that：The driver's cabin (11) is turned over
Transfering from one department to another system also includes ECU, and the ECU includes single-chip microcomputer (15), travel switch (14), upset switch (16), heat
Relay (17), scram button (19) and buzzer (18), access single after the travel switch (14), upset switch (16) series connection
One input pin of piece machine (15), the travel switch (14) is arranged at preceding grid, and preceding grid is opened, travel switch (14)
Closure；The scram button (19) accesses an input pin of single-chip microcomputer (15), and the infrared sensor (9) accesses single-chip microcomputer
(15) another input pin, the buzzer (18) accesses an output pin of single-chip microcomputer (15)；Open row after grid
Cheng Kaiguan (14) is closed.
6. intelligent cab tilting system according to claim 5, it is characterised in that：Upset switch (16) and heat
It is connected on the input pin of single-chip microcomputer (15) after relay (17) series connection.
7. intelligent cab tilting system according to claim 1 and 2, it is characterised in that：The hydraulic jack (3)
Number is 1~8.
8. intelligent driver's cabin (11) according to claim 1 and 2 rolling system, it is characterised in that：The hydraulic lock (5)
It is fixed on the vehicle frame above front vehicle wheel (10).
9. intelligent cab tilting system according to claim 5, it is characterised in that：The manual pump (2) and electronic
The rated pressure of pump (1) is 40MP.
10. intelligent cab tilting system according to claim 5, it is characterised in that：The single-chip microcomputer (15), jerk
Button (19), upset switch (16) and buzzer (18) are packaged together by polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019157.2A CN106741225A (en) | 2017-01-11 | 2017-01-11 | A kind of intelligent cab tilting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019157.2A CN106741225A (en) | 2017-01-11 | 2017-01-11 | A kind of intelligent cab tilting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106741225A true CN106741225A (en) | 2017-05-31 |
Family
ID=58947461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019157.2A Pending CN106741225A (en) | 2017-01-11 | 2017-01-11 | A kind of intelligent cab tilting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106741225A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278878A (en) * | 2018-11-27 | 2019-01-29 | 安徽江淮汽车集团股份有限公司 | Driver's cab turnover control system and driver's cabin |
| CN110316263A (en) * | 2019-07-26 | 2019-10-11 | 安徽安凯华夏汽车配件制造有限公司 | The stabilization locking system of utility vehicle cab overturning |
| CN114368431A (en) * | 2022-01-25 | 2022-04-19 | 东风商用车有限公司 | Control system for lifting cab and use method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136672A (en) * | 1995-11-13 | 1997-05-27 | Mitsubishi Motors Corp | Cab tilt device |
| US5954149A (en) * | 1997-03-11 | 1999-09-21 | Trw Inc. | Vehicle cab motion control |
| CN201258028Y (en) * | 2008-05-26 | 2009-06-17 | 福田雷沃国际重工股份有限公司 | Turnover mechanism of driver's cab |
| CN201291920Y (en) * | 2008-10-08 | 2009-08-19 | 中国重汽集团济南技术中心有限公司 | Roll-over protection device of flat-head steering room |
| CN205022710U (en) * | 2015-09-18 | 2016-02-10 | 安徽安凯华夏汽车配件（合肥）有限公司 | Excessive device of prevention driver's cabin upset |
| CN205841127U (en) * | 2016-06-29 | 2016-12-28 | 浙江科力车辆控制***有限公司 | Hydraulic cab lifting device |
| CN206766159U (en) * | 2017-01-11 | 2017-12-19 | 江苏理工学院 | A kind of intelligent cab tilting system |
-
2017
- 2017-01-11 CN CN201710019157.2A patent/CN106741225A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136672A (en) * | 1995-11-13 | 1997-05-27 | Mitsubishi Motors Corp | Cab tilt device |
| US5954149A (en) * | 1997-03-11 | 1999-09-21 | Trw Inc. | Vehicle cab motion control |
| CN201258028Y (en) * | 2008-05-26 | 2009-06-17 | 福田雷沃国际重工股份有限公司 | Turnover mechanism of driver's cab |
| CN201291920Y (en) * | 2008-10-08 | 2009-08-19 | 中国重汽集团济南技术中心有限公司 | Roll-over protection device of flat-head steering room |
| CN205022710U (en) * | 2015-09-18 | 2016-02-10 | 安徽安凯华夏汽车配件（合肥）有限公司 | Excessive device of prevention driver's cabin upset |
| CN205841127U (en) * | 2016-06-29 | 2016-12-28 | 浙江科力车辆控制***有限公司 | Hydraulic cab lifting device |
| CN206766159U (en) * | 2017-01-11 | 2017-12-19 | 江苏理工学院 | A kind of intelligent cab tilting system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278878A (en) * | 2018-11-27 | 2019-01-29 | 安徽江淮汽车集团股份有限公司 | Driver's cab turnover control system and driver's cabin |
| CN110316263A (en) * | 2019-07-26 | 2019-10-11 | 安徽安凯华夏汽车配件制造有限公司 | The stabilization locking system of utility vehicle cab overturning |
| CN114368431A (en) * | 2022-01-25 | 2022-04-19 | 东风商用车有限公司 | Control system for lifting cab and use method |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |