CN108313001A - Wheeled tractor safety stand device - Google Patents
Wheeled tractor safety stand device Download PDFInfo
- Publication number
- CN108313001A CN108313001A CN201810157868.0A CN201810157868A CN108313001A CN 108313001 A CN108313001 A CN 108313001A CN 201810157868 A CN201810157868 A CN 201810157868A CN 108313001 A CN108313001 A CN 108313001A
- Authority
- CN
- China
- Prior art keywords
- oil
- support bar
- electromagnetic directional
- ecu
- way electromagnetic
- 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
- 239000003921 oil Substances 0.000 claims abstract description 98
- 239000002828 fuel tank Substances 0.000 claims abstract description 13
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/13—Roll-over protection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/13—Roll-over protection
- B60R2021/137—Reinforcement cages for closed vehicle bodies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention discloses a kind of wheeled tractor safety stand device, contain upper frame, left support bar and right support bar, also contain oil cylinder, three-position four-way electromagnetic directional valve, hydraulic control one-way valve, safety valve, oil pump, fuel tank, inertial sensor and reset switch, oil cylinder is connected with three-position four-way electromagnetic directional valve, hydraulic control one-way valve is connected with three-position four-way electromagnetic directional valve and oil cylinder, three-position four-way electromagnetic directional valve and oil pump, inertial sensor is arranged on fuselage, inertial sensor is connected with the ECU, ECU is connected with the left coil of three-position four-way electromagnetic directional valve and right coil, reset switch is connected with ECU；When the inclined angle of wheeled tractor or impact intensity reach setting value, inertial sensor sends a signal to ECU, after ECU is handled, the right coil of three-position four-way electromagnetic directional valve is set to obtain electric, the piston rod of two oil cylinders rapid increase under the action of hydraulic oil, frame is set quickly to be stretched out with respect to left support bar and right support bar, and two hydraulic control one-way valves make oil cylinder self-locking.
Description
Technical field
The present invention relates to a kind of wheeled tractor safety stand devices.
Background technology
Wheeled tractor is commonly equipped with roll-over protective structure, and the main function of roll-over protective structure is to protect the safety of driver.It is real
On border, when wheeled tractor overturns, roll-over protective structure is contacted with ground, and certain sky is formed between ground and wheeled tractor
Between, driver can save oneself in this space to escape danger, and due to the supporting role of roll-over protective structure, can also reduce overturning hour wheel
The deformation and damage of formula tractor part.The roll-over protective structure of existing wheeled tractor, usually accordion structure, including upper frame,
Connecting plate and left and right supporting rod, the both sides of two lower ends of frame are fixedly equipped with connecting plate in door shape, right on two connecting plates
It is equipped with connecting hole with answering, is correspondingly provided with connection through-hole in the upper end of left and right supporting rod, is set in above-mentioned connecting hole and connection through-hole
There is shaft, expansion mounting hole is also accordingly equipped on two connecting plates and folds mounting hole, it is corresponding in the upper end of left and right supporting rod
Ground is equipped with mounting hole, and axis pin is equipped in above-mentioned mounting hole and expansion mounting hole or folding mounting hole；The lower end of left and right supporting rod is equal
Equipped with fixed connecting plate.It, can will frame folded turnover thereon since above-mentioned roll-over protective structure uses accordion structure form.On
When stating roll-over protective structure and needing to fold, it can only be folded by manually overturning to realize before and after operation, therefore in short place's operation or mistake
When obstacle avoidance object, or when occurring overturning etc. dangerous, personal safety cannot be protected well, to reduce whole safety
And passability.
Invention content
The technical problem to be solved in the present invention is to provide a kind of wheeled tractor safety stand devices, which can
Improve safety and the passability of wheeled tractor.
In order to solve the above technical problems, a kind of wheeled tractor safety stand device of the present invention, is used for wheeled tractor, it is wheeled
Tractor includes fuselage, engine and ECU, and wheeled tractor safety stand device contains frame, left support bar and right support bar,
The lower end of left support bar and right support bar is equipped with fixed connecting plate, also contains oil cylinder, three-position four-way electromagnetic directional valve, hydraulic control list
To valve, safety valve, oil pump, fuel tank, inertial sensor and reset switch, what the lower end of the left support bar and right support bar was equipped with
Fixed connecting plate is separately fixed on the fuselage of wheeled tractor, and the left support bar and right support bar are tubular structure, described
The both ends of upper frame are installed on respectively in the tubular structure of the left support bar and right support bar, the left support bar and right support
It is respectively provided with the oil cylinder in the tubular structure of bar, and is fixed in respective tubular structure, the piston rod of the two oil cylinders
Outer end be connected respectively with the both ends of the upper frame, the hydraulic fluid port of the two oil cylindersPass through oil pipe and 3-position 4-way electromagnetism respectively
The logical cylinder ports of reversal valveIt is connected, the hydraulic fluid port of the two oil cylindersPass through one end phase of oil pipe and two hydraulic control one-way valves respectively
Even, the other end of two hydraulic control one-way valves passes through the logical cylinder ports of oil pipe and three-position four-way electromagnetic directional valve respectivelyIt is connected, two
The hydraulic control end of a hydraulic control one-way valve passes through the logical cylinder ports of oil pipe and three-position four-way electromagnetic directional valve respectivelyIt is connected, 3-position 4-way
The pressure oil port of solenoid directional control valve is connected by oil pipe with the outlet of oil pump, and the import of oil pump is communicated by oil filter with fuel tank
Even, one end of safety valve is connected by oil pipe with the outlet of oil pump, and the other end of safety valve is interlinked by oil pipe and fuel tank, and three
The oil return opening of position four-way electromagnetic reversing valve is connected by oil pipe with fuel tank, and oil pump is connected with the engine；Inertial sensor is set
It sets on the fuselage of wheeled tractor, inertial sensor is connected with the ECU, the left line of ECU and three-position four-way electromagnetic directional valve
Circle is connected with right coil, and reset switch is connected with ECU；
When the inclined angle of wheeled tractor or impact intensity reach setting value, inertial sensor is sent a signal to
ECU makes the right coil of three-position four-way electromagnetic directional valve obtain electric after ECU is handled, the work of the piston rods of two oil cylinders in hydraulic oil
With lower rapid increase, frame is made quickly to be stretched out with respect to left support bar and right support bar, and two hydraulic control one-way valves make oil cylinder certainly
Lock；
When opening reset switch, after ECU is handled, the left coil of three-position four-way electromagnetic directional valve is set to obtain electric, two oil cylinders
Piston rod fast retractile under the action of hydraulic oil, upper frame retract at the same time.
The upper frame is U-shaped structure.
Under normal circumstances, upper frame is contracted in left support bar and right support bar to above-mentioned wheeled tractor safety stand device
In, wheeled tractor can short place's operation or cross obstacle avoidance object when safety.When the inclined angle of wheeled tractor or
When person's impact intensity reaches setting value, the inertial sensor of above-mentioned wheeled tractor safety stand device sends a signal to ECU,
After ECU is handled, the right coil of three-position four-way electromagnetic directional valve is set to obtain electric, the piston rod of two oil cylinders is fast under the action of hydraulic oil
Speed rises, and so that frame is quickly stretched out with respect to left support bar and right support bar, and two hydraulic control one-way valves make oil cylinder self-locking.At this moment
Upper frame constitutes the larger frame of a height with left support bar and right support bar, and the larger frame of height enables a driver to
It saves oneself and escape danger in this space.From the aforegoing it can be seen that above-mentioned safe rack device can improve the safety of wheeled tractor and lead to
The property crossed.
Description of the drawings
Fig. 1 is the main structure diagram of wheeled tractor safety stand device of the present invention；
Fig. 2 is the left view structural representation of Fig. 1；
Fig. 3 is hydraulic control circuit schematic diagram；
Fig. 4 is electrical principle block diagram.
Specific implementation mode
The specific implementation mode of the present invention is described in further detail below.
In Fig. 1, Fig. 2 and Fig. 3, a kind of wheeled tractor safety stand device is used for wheeled tractor, and wheeled tractor includes
Fuselage, engine and ECU.Wheeled tractor safety stand device contains frame 1, left support bar 3 and right support bar 7.Left support
The lower end of bar 3 and right support bar 7 is equipped with fixed connecting plate 6.Above-mentioned wheeled tractor safety stand device also contain oil cylinder, three
Four-way electromagnetic reversing valve 12, hydraulic control one-way valve, safety valve 14, oil pump 13, fuel tank 16, inertial sensor and reset switch.It is described
The fixed connecting plate 6 that the lower end of left support bar 3 and right support bar 7 is equipped with is separately fixed on the fuselage of wheeled tractor.It is described
Left support bar 3 and right support bar 7 are tubular structure, and the left end 2 and right end 8 of the upper frame 1 are installed on the left support respectively
In the tubular structure of bar 3 and right support bar 7.Described in being respectively provided in the tubular structure of the left support bar 3 and right support bar 7
Oil cylinder, and be fixed in respective tubular structure, i.e., left oil cylinder 5 is housed in the tubular structure of left support bar 3, right support bar 7
Right oil cylinder is housed, left oil cylinder 5 is identical with the structure of right oil cylinder in tubular structure.A left side for the piston rod 4 and upper frame 1 of left oil cylinder 5
End is connected, and the piston rod of right oil cylinder is connected with the right end of frame 1.The hydraulic fluid port of left oil cylinder 5 and right oil cylinder 9Respectively by oil pipe with
The logical cylinder ports of three-position four-way electromagnetic directional valve 12It is connected.The hydraulic fluid port of left oil cylinder 5 and right oil cylinder 9Pass through oil pipe and two respectively
One end of a hydraulic control one-way valve is connected, i.e. the hydraulic fluid port of left oil cylinder 5It is connected with one end of left hydraulic control one-way valve 11 by oil pipe, it is right
The hydraulic fluid port of oil cylinder 9It is connected with one end of right hydraulic control one-way valve 10 by oil pipe.Left hydraulic control one-way valve 11 and right hydraulic control one-way valve
10 other end passes through the logical cylinder ports of oil pipe and three-position four-way electromagnetic directional valve 12 respectivelyIt is connected.11 He of left hydraulic control one-way valve
The hydraulic control end of right hydraulic control one-way valve 10 passes through the logical cylinder ports of oil pipe and three-position four-way electromagnetic directional valve 12 respectivelyIt is connected.Three
The pressure oil port of four-way electromagnetic reversing valve 12 is connected by oil pipe with the outlet of oil pump 13, and the import of oil pump 13 passes through oil filter 15
It interlinks with fuel tank 16.One end of safety valve 14 is connected by oil pipe with the outlet of oil pump 13, and the other end of safety valve 14 passes through
Oil pipe interlinks with fuel tank 16.The oil return opening of three-position four-way electromagnetic directional valve 12 is connected by oil pipe with fuel tank 16.Oil pump 13 with
The engine is connected.Inertial sensor is arranged on the fuselage of wheeled tractor, as shown in figure 4, inertial sensor with it is described
ECU is connected, and ECU is connected with the left coil of three-position four-way electromagnetic directional valve and right coil, and reset switch is connected with ECU.
When the inclined angle of wheeled tractor or impact intensity reach setting value, inertial sensor sends out signal
To ECU, after ECU is handled, the right coil of three-position four-way electromagnetic directional valve 12 is set to obtain electric, the piston rod 4 and right oil cylinder of left oil cylinder 5
9 piston rod rapid increase under the action of hydraulic oil makes frame 1 quickly be stretched out with respect to left support bar and right support bar, and
Left hydraulic control one-way valve 11 and right hydraulic control one-way valve 10 make 9 self-locking of left oil cylinder 5 and right oil cylinder respectively.
When opening reset switch, after ECU is handled, the left coil of three-position four-way electromagnetic directional valve 12 is set to obtain electric, left oil
The piston rod 4 of cylinder 5 and the piston rod of right oil cylinder 9 fast retractile under the action of hydraulic oil, upper frame 1 retract at the same time.
To simplify structure and convenient for making, the upper frame 1 is U-shaped structure.
Under normal circumstances, upper frame 1 is contracted in left support bar 3 and right support bar to above-mentioned wheeled tractor safety stand device
In 7, wheeled tractor can short place's operation or cross obstacle avoidance object when safety.When the inclined angle of wheeled tractor or
When person's impact intensity reaches setting value, the inertial sensor of above-mentioned wheeled tractor safety stand device sends a signal to ECU,
After ECU is handled, the right coil of three-position four-way electromagnetic directional valve 12 is set to obtain electric, the work of the piston rod 4 and right oil cylinder 9 of left oil cylinder 5
Stopper rod rapid increase under the action of hydraulic oil makes frame 1 quickly be stretched out with respect to left support bar 3 and right support bar 7, and left liquid
Control check valve 11 and right hydraulic control one-way valve 10 make 9 self-locking of left oil cylinder 5 and right oil cylinder respectively.At this moment upper frame 1 and left support bar 3 and
Right support bar 7 constitutes the larger inverted U-shaped frame of a height, and the larger inverted U-shaped frame of height is enabled a driver in this sky
Between in save oneself and escape danger.From the aforegoing it can be seen that above-mentioned safe rack device can improve safety and the passability of wheeled tractor.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not limited to this hair
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection domain within.
Claims (2)
1. a kind of wheeled tractor safety stand device, it to be used for wheeled tractor, wheeled tractor includes fuselage, engine and ECU,
Wheeled tractor safety stand device contains frame, left support bar and right support bar, and the lower end of left support bar and right support bar is equal
Equipped with fixed connecting plate, it is characterised in that：Also contain oil cylinder, three-position four-way electromagnetic directional valve, hydraulic control one-way valve, safety valve, oil
The fixed connecting plate difference that the lower end of pump, fuel tank, inertial sensor and reset switch, the left support bar and right support bar is equipped with
It is fixed on the fuselage of wheeled tractor, the left support bar and right support bar are tubular structure, the both ends point of the upper frame
It is not installed in the tubular structure of the left support bar and right support bar, in the tubular structure of the left support bar and right support bar
Be respectively provided with the oil cylinder, and be fixed in respective tubular structure, the outer end of the piston rod of the two oil cylinders respectively with institute
The both ends for stating frame are connected, the hydraulic fluid port of the two oil cylindersPass through the logical oil cylinder of oil pipe and three-position four-way electromagnetic directional valve respectively
MouthfulIt is connected, the hydraulic fluid port of the two oil cylindersIt is connected respectively with one end of two hydraulic control one-way valves by oil pipe, two fluid-control one-ways
The other end of valve passes through the logical cylinder ports of oil pipe and three-position four-way electromagnetic directional valve respectivelyIt is connected, the liquid of two hydraulic control one-way valves
Control end passes through the logical cylinder ports of oil pipe and three-position four-way electromagnetic directional valve respectivelyIt is connected, the pressure of three-position four-way electromagnetic directional valve
Hydraulic fluid port is connected by oil pipe with the outlet of oil pump, and the import of oil pump is interlinked by oil filter and fuel tank, and one end of safety valve is logical
It crosses oil pipe with the outlet of oil pump to be connected, the other end of safety valve is interlinked by oil pipe and fuel tank, three-position four-way electromagnetic directional valve
Oil return opening be connected with fuel tank by oil pipe, oil pump is connected with the engine；Inertial sensor is arranged in wheeled tractor
On fuselage, inertial sensor is connected with the ECU, and ECU is connected with the left coil of three-position four-way electromagnetic directional valve and right coil, multiple
Bit switch is connected with ECU；
When the inclined angle of wheeled tractor or impact intensity reach setting value, inertial sensor is sent a signal to
ECU makes the right coil of three-position four-way electromagnetic directional valve obtain electric after ECU is handled, the work of the piston rods of two oil cylinders in hydraulic oil
With lower rapid increase, frame is made quickly to be stretched out with respect to left support bar and right support bar, and two hydraulic control one-way valves make oil cylinder certainly
Lock；
When opening reset switch, after ECU is handled, the left coil of three-position four-way electromagnetic directional valve is set to obtain electric, two oil cylinders
Piston rod fast retractile under the action of hydraulic oil, upper frame retract at the same time.
2. a kind of wheeled tractor safety stand device, it is characterised in that：The upper frame is U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157868.0A CN108313001A (en) | 2018-02-25 | 2018-02-25 | Wheeled tractor safety stand device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157868.0A CN108313001A (en) | 2018-02-25 | 2018-02-25 | Wheeled tractor safety stand device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108313001A true CN108313001A (en) | 2018-07-24 |
Family
ID=62900406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810157868.0A Pending CN108313001A (en) | 2018-02-25 | 2018-02-25 | Wheeled tractor safety stand device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108313001A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004008975B3 (en) * | 2004-02-24 | 2005-04-07 | Daimlerchrysler Ag | Motor vehicle as convertible or cross country vehicle with top that folds and/or lowers or is detachable has safety roll device which in roll protection position interacts with top so that top is stabilized in closed state |
| DE102006002476A1 (en) * | 2005-06-22 | 2007-01-04 | Wilhelm Karmann Gmbh | Overturning protection system for convertible, comprises movable module with leaf springs |
| EP1844990A2 (en) * | 2006-04-11 | 2007-10-17 | D'Eusanio S.n.c. | Crush protection device for agricultural machines |
| CN202071803U (en) * | 2011-05-26 | 2011-12-14 | 战家富 | Dumper unloading and advancing anti-side-tipping safety device |
| CN203142590U (en) * | 2013-02-28 | 2013-08-21 | 常州东风农机集团有限公司 | Anti-overturning frame for roller tractor |
| CN204253472U (en) * | 2014-11-05 | 2015-04-08 | 河南工程学院 | Safety unit of tractor intensity test bench hydraulic system |
| US20150102591A1 (en) * | 2012-07-03 | 2015-04-16 | Air-Rops Na 2012, S.L. | Deployable structure to provide protection when vehicles roll over |
| CN204399097U (en) * | 2014-12-23 | 2015-06-17 | 任丘市永基建筑安装工程有限公司 | Installation of car for guarding against side turned over |
| CN208149252U (en) * | 2018-02-25 | 2018-11-27 | 江苏悦达智能农业装备有限公司 | Wheeled tractor safety stand device |
-
2018
- 2018-02-25 CN CN201810157868.0A patent/CN108313001A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004008975B3 (en) * | 2004-02-24 | 2005-04-07 | Daimlerchrysler Ag | Motor vehicle as convertible or cross country vehicle with top that folds and/or lowers or is detachable has safety roll device which in roll protection position interacts with top so that top is stabilized in closed state |
| DE102006002476A1 (en) * | 2005-06-22 | 2007-01-04 | Wilhelm Karmann Gmbh | Overturning protection system for convertible, comprises movable module with leaf springs |
| EP1844990A2 (en) * | 2006-04-11 | 2007-10-17 | D'Eusanio S.n.c. | Crush protection device for agricultural machines |
| CN202071803U (en) * | 2011-05-26 | 2011-12-14 | 战家富 | Dumper unloading and advancing anti-side-tipping safety device |
| US20150102591A1 (en) * | 2012-07-03 | 2015-04-16 | Air-Rops Na 2012, S.L. | Deployable structure to provide protection when vehicles roll over |
| CN203142590U (en) * | 2013-02-28 | 2013-08-21 | 常州东风农机集团有限公司 | Anti-overturning frame for roller tractor |
| CN204253472U (en) * | 2014-11-05 | 2015-04-08 | 河南工程学院 | Safety unit of tractor intensity test bench hydraulic system |
| CN204399097U (en) * | 2014-12-23 | 2015-06-17 | 任丘市永基建筑安装工程有限公司 | Installation of car for guarding against side turned over |
| CN208149252U (en) * | 2018-02-25 | 2018-11-27 | 江苏悦达智能农业装备有限公司 | Wheeled tractor safety stand device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180724 |