CN105522917A - Driving safety device of vehicle - Google Patents
Driving safety device of vehicle Download PDFInfo
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- CN105522917A CN105522917A CN201510680919.4A CN201510680919A CN105522917A CN 105522917 A CN105522917 A CN 105522917A CN 201510680919 A CN201510680919 A CN 201510680919A CN 105522917 A CN105522917 A CN 105522917A
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- vehicle
- unloading valve
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- motor
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Abstract
The invention relates to a driving safety device of a vehicle. A driving safety device (M) of a vehicle (2) is provided with a static hydraulic speed changer (25) which provides driving force via hydraulic pressure generated by power by use of an engine (21). The driving safety device is provided with an inclining sensor (68), a hydraulic loop and an unloading valve (48). The inclining sensor is installed on the vehicle (2). The hydraulic loop is connected to the static hydraulic speed changer (25). The unloading valve cuts off driving force generated by hydraulic pressure after being opened. When the inclining sensor (68) detects that an inclining angle of the vehicle (2) reaches a preset angle, the unloading valve (48) is opened.
Description
Technical field
The present invention relates to the travel safety device for motor of the vehicle being applied to riding supervisor etc.
Background technology
As described in Patent Document 1 like that, there will be a known the self-propelled suspension rod atomizing cone (self-propelledboomsprayer) as riding supervisor.In this self-propelled suspension rod atomizing cone, pharmacy jar is arranged at the central portion of the fore-and-aft direction of organism frame.The center of gravity of pharmacy jar is positioned at the roughly pars intermedia of front and back wheel.By such structure, even if the agent capacity being filled in pharmacy jar changes, also can not have an impact to the weight balancing of front and back wheel, thus improve weight balancing.
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent No. 3961904 publication
Summary of the invention
In recent years, use be called high clearance type (HighClearanceType) can stride across the riding supervisor that crop travels.The center-of-gravity position of the riding supervisor of high clearance type uprises due to its structure.Therefore, in the riding supervisor of high clearance type, the angle of inclination can toppled over compared with the machinery of other running types is little.Such as, when crossing over ridge and travelling on rice field or have the situation of vehicle too tilted rearward when driving to outside rice field.In the riding supervisor that center-of-gravity position is high, when leap ridge etc., probably when not being equipped with travel, vehicle is understood tilted rearward and is toppled over.
In order to prevent toppling over of vehicle, the countermeasure of the wheelbase bearing a heavy burden or increase vehicle etc. is carried in research and inquirement in the front portion of vehicle.But, all imagine the travel be equipped with to a certain extent in arbitrary technology, there is no the angle of inclination imagining the degree of likely toppling over.
The object of the invention is to, even provide a kind of to travel the travel safety device for motor that also can prevent the vehicle of toppling over of vehicle when not carrying out on the travel be fully equipped with.
The present invention is that one possesses by using the power of engine (21) and the hydraulic pressure that produces to provide the travel safety device for motor (M) of the vehicle (2) of the hydrostatic variable-speed motor (25) of propulsive effort, possesses the inclination sensor (68) being installed in vehicle (2), be connected to hydrostatic variable-speed motor (25) hydraulic circuit and by carrying out opening thus cutting off the unloading valve (48) of the propulsive effort produced by hydraulic pressure, formed in the mode of opening unloading valve (48) when reaching at the angle of inclination of the vehicle (2) detected by inclination sensor (68) angle preset.
According to this travel safety device for motor (M), open unloading valve (48) when reaching the angle preset at the angle of inclination of vehicle (2), and cut off the propulsive effort produced by the hydraulic pressure of hydrostatic variable-speed motor (25).Therefore, the traveling of vehicle (2) stops.Like this, because detect the angle of inclination of vehicle (2) and the traveling of vehicle (2) corresponds to its angle of inclination and stopping, so can prevent vehicle (2) from continuing to travel and the state of affairs of angle of inclination increase etc.Therefore, also toppling over of vehicle (2) can be prevented even travel when not carrying out on the travel be equipped with fully.
Hydrostatic variable-speed motor (25) can realize the driving of the forward-reverse of vehicle (2), and unloading valve (48) is by the advance unloading valve (46) of the propulsive effort that is used for making vehicle (2) to advance as cut-out.In the case, if angle of inclination becomes large when vehicle (2) advances, vehicle (2) stops, thus can prevent from toppling over.Even travel, so can retreat for the time being and guarantee driving safety because retrogressing also can be carried out in the work of advance unloading valve (46).
Above-mentioned travel safety device for motor (M) possesses the warning portion (70) carrying out alert notice according to the angle of inclination that detected by inclination sensor (68) to operator, and the mode of carrying out alert notice by warning portion (70) while of being unlocked with unloading valve (48) when reaching at the angle of inclination of the vehicle (2) detected by inclination sensor (68) angle preset is formed.In the case, by simultaneously carrying out alert notice by warning portion (70) when the stopping of vehicle (2), even if thus operator can recognize that vehicle (2) emergent stopping neither the fault of vehicle (2).That is, operator can recognize that vehicle (2) stops because angle of inclination becomes large.
Above-mentioned travel safety device for motor (M) possesses the warning portion (70) according to the angle of inclination detected by inclination sensor (68), operator being carried out to alert notice, the angle that the mode that the angle be set in the mode of carrying out alert notice by warning portion (70) is less than to open unloading valve (48) is set.In the case, separately setting is opened the angle of unloading valve (48), is carried out the angle of alert notice by warning portion (70), and first carries out alert notice by warning portion (70).Therefore, first by carrying out alert notice thus operator such as can being impelled to carry out brake operation.Further, open unloading valve (48) when angle increases and vehicle (2) can be made automatically to stop.
According to the present invention, also toppling over of vehicle can be prevented even travel when not carrying out on the travel be equipped with fully.
Accompanying drawing explanation
Fig. 1 is the planar view of the riding supervisor representing the travel safety device for motor applied involved by an embodiment of the invention.
Fig. 2 is the right hand view of the riding supervisor of Fig. 1.
Fig. 3 is the diagram of gears of the riding supervisor of Fig. 1.
Fig. 4 is the hydraulic circuit diagram of the riding supervisor of Fig. 1.
Fig. 5 is the circuit diagram for controlling unloading valve.
Fig. 6 is the block diagram represented near operating portion.
Fig. 7 is the block diagram representing main shift lever.
Detailed description of the invention
Below, with reference to accompanying drawing, embodiments of the present invention are described.Further, mark identical symbol in identical key element in the description of the drawings, the repetitive description thereof will be omitted.
As shown in Fig. 1 and the 2nd, the self-propelled suspension rod atomizing cone 1 as riding supervisor is made up of vehicle 2 and liquid dissemination apparatus and suspension rod nozzle (boomnozzle) device 3.The travel safety device for motor M toppled over for preventing vehicle 2 is set in vehicle 2.Further, in the following description, "front", "rear", "left", "right" except as otherwise noted, all with self-propelled suspension rod atomizing cone 1 for benchmark.
Vehicle 2 has rectangular-shaped vehicle body frame 4 long in the longitudinal direction.The Width being arranged on vehicle 2 respectively in the front portion of vehicle body frame 4 and rear portion carries out the front axle 8 that extends and back axle 9.Wheel 6,7 before and after steering swivel (knuckle) 8a, 9a respectively by carrying out extending in the vertical direction on front axle 8 and back axle 9 install.In self-propelled suspension rod atomizing cone 1, the traveling of 4 wheel drive is rotated by the driving of these front and back wheel 6,7 and becomes possibility.
As these wheels 6,7, use narrow wide wheel.As steering swivel 8a, 9a, use the steering swivel of elongated.Thus, minimum liftoff height increases.That is, self-propelled suspension rod atomizing cone 1 is the self-propelled suspension rod atomizing cone of so-called high clearance type, can cross over crop travel in field.Size between the ridge that the interval of the length of front axle 8 and back axle 9 and the left and right directions of wheel 6,7 corresponds to field suitably determines.
On vehicle body frame 4, medicine liquid tank 10 is set at the central portion of its fore-and-aft direction.Form recess in the central authorities of the leading section of medicine liquid tank 10, driver's seat 11 is set at this recess.In addition, at the leading section of vehicle body frame 4, be equipped spaced apart in the front side of driver's seat 11 and possess for driver behavior operate machines and for liquid scatter the portion of operating machines 12 of operating machines.On vehicle body frame 4, engine part 15 is disposed in the rear side of medicine liquid tank 10.Engine part 15 is positioned near the top of back axle 9.
Like this, medicine liquid tank 10 is set at the forward-and-rearward central portion of vehicle body frame 4, driver's seat 11 and portion 12 of operating machines are set in the front portion of vehicle body frame 4.More front side in the front portion of vehicle body frame 4 namely in the portion of operating machines 12 arranges suspension rod spray nozzle device 3.At the rear portion of vehicle body frame 4, engine part 15 is set.This engine part 15 arranges engine 21 and spraying pump 22 etc.
At the leading section of vehicle body frame 4,4 pitch chain connection devices 13 configure in the mode forwards carrying out extending.Suspension rod spray nozzle device 3 is supported by vehicle body frame 4 by 4 pitch chain connection devices 13.This 4 pitch chain connection device 13 is by carrying out work according to the expanding-contracting action of hydraulic actuating cylinder 14, thus the center suspension rod 16 being fixed in the suspension rod spray nozzle device 3 of the front side link of 4 pitch chain connection devices 13 carries out lifting moving.Thus, the position of the above-below direction of suspension rod spray nozzle device 3 is conditioned.
The center suspension rod 16 of suspension rod spray nozzle device 3 extends on the left and right directions of vehicle body frame 4.Side suspension rod (sideboom) 17,17 is linked with respectively at the both ends, left and right of center suspension bracket 16.Side suspension rod 17,17, centered by the rotary middle spindle 18 being positioned at the both ends of center suspension rod 16, can rotate relative to center suspension rod 16.Center suspension rod 16 and each side suspension rod 17 install blast tube 19 respectively, each blast tube 19 is disposed at equal intervals nozzle 20.
Then, with reference to Fig. 3, the driving system in the vehicle 2 of self-propelled suspension rod atomizing cone 1 is described.In vehicle 2, as the reagent spray undertaken by spraying pump 22 or vehicle 2 the necessary power of traveling and use the power of engine 21.Drive belt B1 is wound between the pulley 27a of the output shaft being fixed in the engine 21 and pulley 27b of input shaft being fixed in spraying pump 22, and thus, the rotary power of engine 21 is passed to spraying pump 22.Magnetic clutch 23 is arranged between engine 21 and spraying pump 22.
The downside setting example of vehicle body frame 4 in the side slightly before of engine 21 is as the secondary variable-speed motor 24 of gear type.Secondary variable-speed motor 24 is connected with the secondary shifter bar 53 represented by Fig. 6, is made by the operation of secondary shifter bar 53 speed change to high speed (H) or middling speed (N) or low speed (L) become possibility.Arrange between secondary variable-speed motor 24 and engine 21 and be used for the hydrostatic variable-speed motor (HydraulicStaticTransmission, hereinafter referred to as HST) 25 of the transmission of power of engine 21 to secondary variable-speed motor 24.HST25 uses the power of engine 21 to produce hydraulic pressure, by this hydraulic pressure, rotary driving force is supplied to wheel 6,7, thus makes the mechanism that vehicle 2 travels.At HST25, between pulley 28a drive belt B2 being wound in the output shaft being fixed in engine 21 and the pulley 28b of the input shaft being fixed in HST25.Thus, the rotary power of engine 21 is passed to HST25.The rotary power of engine 21 is passed to back axle 9 via HST25, secondary variable-speed motor 24 and the rear diff (reardifferential) 30 being installed in back axle 9.In addition, the rotary power of engine 21 is passed to front axle 8 via the propeller-shaft (universalshaft) 29 carrying out in front-rear direction further extending from secondary variable-speed motor 24 and the front diff (frontdifferential) 31 that is installed in front axle 8.
Then, with reference to Fig. 4, the hydraulic circuit in the vehicle 2 of self-propelled suspension rod atomizing cone 1 is described.In travel safety device for motor M, possess petrol storage tank 32 as the structure about hydraulic circuit, make pipeline L1 ~ L4, full hydraulic power steering control unit (powersteeringcontrolunit) 34, the HST25 of oil circulation.As full hydraulic power steering control unit 34 (hereinafter referred to as control unit), such as, track roller can be used.The pipeline L1 of P interface connecting petrol storage tank 32 and control unit 34 is provided with oil pressure pump 33.The oil of petrol storage tank 32 is provided to control unit 34 by oil pressure pump 33.The oil of the amount proportional with the rotation amount of bearing circle 51 (with reference to Fig. 1 and Fig. 2) is supplied to steering jack (steeringcylinder) 36, driving wheel 6 of going forward side by side, the steering of 7 by control unit 34.The T interface of control unit 34 is connected to HST25 by pipeline L2.Oil pressure pump 33 is via control unit 34 and by pipeline L2, oil is supplied to HST25.
The HST input part 25a that the rotary power that HST25 has engine 21 is passed, be linked to HST25 and the oil pressure pump 41 that oil is pressurizeed, give oil pressure when the advance of vehicle 2 advance time high tension loop 42, high tension loop 43 when giving the retrogressing of oil pressure when the retrogressing of vehicle 2, export the hydraulic motor 44 of HST efferent 25b to by oil pressure actuated and by rotary power.HST efferent 25b is linked to secondary variable-speed motor 24.
In this HST25, carried out the main shift lever 52 (with reference to Fig. 6 and Fig. 7) arranged by the sidepiece of the bearing circle 51 operating in the portion of operating machines 12, thus advance can be switched freely or stop (N) or retreat.More specifically, correspond to the rotation amount around the axis A1 represented by Fig. 7, oil pressure pump 41 is switched to and rotates forward or reversion, and in addition, the flow of the oil in oil pressure pump 41 is adjusted.When main shift lever 52 is in the region than " N " more " advance " side, high tension loop 42 when namely oil is supplied to advance around the flow of the rotation amount of axis A1 with the position corresponding to main shift lever 52 by oil pressure pump 41.When main shift lever 52 is in the region than " N " more " retrogressing " side, high tension loop 43 when namely oil is supplied to retrogressing around the flow of the rotation amount of axis A1 with the position corresponding to main shift lever 52 by oil pressure pump 41.Like this, according to HST25, the driving of the forward-reverse of vehicle 2 can be realized by operation main shift lever 52, become possibility without the speed change saving (or more piece) further.
At this, the oil hydraulic circuit of vehicle 2 has the unloading valve 48 of the transmission for cutting off the power produced by HST25 when the angle of inclination of vehicle 2 reaches the angle preset.When the advance of HST25, high tension loop 42 is connected with advance unloading valve 46 by pipeline L3.When the retrogressing of HST25, high tension loop 43 is connected with by pipeline L4 and retreats unloading valve 47.In other words, advance unloading valve 46 is installed in the advance side of HST25, retreats the retrogressing side that unloading valve 47 is installed in HST25.Pipeline L3 and pipeline L4 is linked between advance unloading valve 46 and retrogressing unloading valve 47.Advance unloading valve 46 makes oil lead to from pipeline L3 side direction pipeline L4 effluent when being unlocked, but, oil can not be made to lead to from pipeline L4 side direction pipeline L3 effluent.Retreating unloading valve 47 makes oil lead to from pipeline L4 side direction pipeline L3 effluent when being unlocked, but, oil can not be made to lead to from pipeline L3 side direction pipeline L4 effluent.
There is such advance unloading valve 46 and retreating in the unloading valve 48 of unloading valve 47, when advance unloading valve 46 is unlocked because oil leads to from pipeline L3 side direction pipeline L4 effluent, so oil pressure when advancing in high tension loop 42 can not rise and can not be output from HST efferent 25b towards the rotary power of working direction.On the other hand, under the state that advance unloading valve 46 is unlocked, because oil does not circulate from pipeline L4 side direction pipeline L3, so oil pressure when retreating in high tension loop 43 can rise, can be output from HST efferent 25b rotary power in the reverse direction.
In addition, when retreating unloading valve 47 and being unlocked, because oil circulate from pipeline L4 side direction pipeline L3, so oil pressure during retrogressing in high tension loop 43 can not rise and can not be output from HST efferent 25b rotary power in the reverse direction.On the other hand, under the state that retrogressing unloading valve 47 is unlocked, because oil does not circulate from pipeline L3 side direction pipeline L4, so oil pressure when advancing in high tension loop 42 can rise, can be output from the rotary power of HST efferent 25b forward direction.
Advance unloading valve 46 and retrogressing unloading valve 47 respectively can by os 66, and 67 open.That is, adjacently on advance unloading valve 46 be provided with o 66, adjacently on retrogressing unloading valve 47 be provided with o 67.With reference to Fig. 5, the circuit C for controlling unloading valve 48 is described.AC power supplies 61 is the AC circuit of vehicle button switch (" switch " being called " SW " below).This circuit C has forward-reverse changer lever SW62, brake pedal SW63, forward-reverse screw actuator transfer relay 64, the o 66 of advance unloading valve 46 and the o 67 of retrogressing unloading valve 47.
Forward-reverse changer lever SW62 is undertaken out by the rotation around the axis A2 on " N " position of the main shift lever 52 represented by Fig. 7 or is closed.Entering into and removing of the brake pedal 54 of brake pedal SW63 represented by Fig. 6 is carried out out or is closed.Forward-reverse screw actuator transfer relay 64 is switched to the contact of the o 66 being connected to advance unloading valve 46, is connected to the contact of the o 67 retreating unloading valve 47 along with the switching of forward-reverse changer lever SW62.When brake pedal SW63 is for opening, any one of o 66 or o 67 is advanced corresponding to vehicle 2 or retreats to carry out work, and any one of advance unloading valve 46 or retrogressing unloading valve 47 is unlocked.
Further, this circuit C has the inclination sensor 68 that can not be connected to the o 66 of advance unloading valve 46 by brake pedal SW63.Inclination sensor 68 is installed in a part for vehicle 2 thus the rearward angle of inclination of detection vehicle 2.More specifically, inclination sensor 68 has the 1st system 68a, the 2nd system 68b that can set output for arbitrary angle respectively.1st system 68a is connected to annunciator (warning portion) 70.2nd system 68b is not directly connected in o 66 by forward-reverse screw actuator 64 and brake pedal SW63.As the angle of inclination of vehicle 2 and the suitable angle initialization of the degree that vehicle 2 can not be toppled in the 2nd system 68b.Also by the angle initialization identical with the 2nd system 68b in the 1st system 68a, the angle of the set angle being less than the 2nd system 68b can also can be set.Annunciator 70 and the 1st system 68a link, and carry out work when the angle of inclination (i.e. the angle of inclination of vehicle 2) of inclination sensor 68 reaches set angle.That is, annunciator 70 carries out to operator according to the angle of inclination that the 2nd system 68b by inclination sensor 68 detects warning.When the set angle of the 1st system 68a is identical with the set angle of the 2nd system 68b, annunciator 70 sends and pipes while electricity is provided to o 66 or o 67.When the set angle of the 1st system 68a is less than the set angle of the 2nd system 68b, annunciator 70 (namely prior to the supply of electricity) before electricity is provided to o 66 or o 67 sends and pipes.Further, the angle be set in inclination sensor 68 corresponds to the kind of vehicle 2 or center of gravity etc. and can suitably change.Also change setting angle can be carried out corresponding to the amount of liquid medicine being filled to medicine liquid tank 10.
The travel safety device for motor M (with reference to Fig. 4 and Fig. 5) of present embodiment possesses above-mentioned circuit C, main shift lever 52, brake pedal 54, secondary variable-speed motor 24, HST25 and unloading valve 48.Travel safety device for motor M possesses each structure represented by Fig. 4 and Fig. 5, but, if possess the MIN structure for making the traveling of vehicle 2 stop according to the angle of inclination of vehicle 2.Above-mentioned mode is an example of travel safety device for motor M.Travel safety device for motor M possesses inclination sensor 68, HST25 and unloading valve 48, but other structures also can be different from above-mentioned structure.
In travel safety device for motor M, when the usual traveling of self-propelled suspension rod atomizing cone 1 because electricity can not be provided to o 66,67, so advance unloading valve 46 and retrogressing unloading valve 47 are closed, vehicle 2 can travel.When trampling brake pedal 54 by operator, when main shift lever 52 is for advancing, electricity is provided to the o 66 of advance side, and advance unloading valve 46 works (unlatching), and the propulsive effort of working direction is cut off.When trampling brake pedal 54 by operator, when main shift lever 52 is for retreating, forward-reverse changer lever SW62 and forward-reverse screw actuator transfer relay 64 work, electricity is provided to the o 67 retreating side, retreat unloading valve 47 to work (unlatching), the propulsive effort of direction of retreat is cut off.
When vehicle 2 tilts to the angle being pre-set in the 2nd system 68b, by the work by inclination sensor 68 electricity be supplied to the o 66 of advance side and cut off propulsive effort, thus making vehicle 2 stop and guaranteeing safety before vehicle 2 becomes dangerous angle.Now, close, so can retreat because retreat unloading valve 47.Further, when being configured to the angle identical with the 1st system 68a, being linked by the stopping of vehicle 2 and annunciator 70, thus can danger be recognized.
Travel safety device for motor M according to the present embodiment, when the angle of inclination of vehicle 2 reaches the angle preset, unloading valve 48 is unlocked, and cuts off the propulsive effort produced by the oil pressure of HST25.Therefore, the traveling of vehicle 2 stops.Like this, because detect the angle of inclination of vehicle 2 and make the traveling of vehicle 2 stop corresponding to this angle of inclination, so can prevent vehicle 2 from continuing to travel and the state of affairs of angle of inclination increase.Therefore, also toppling over of vehicle 2 can be prevented even travel on when the travel be fully equipped with is not carried out in ridge or rice field etc.This is particularly effective especially when the self-propelled suspension rod atomizing cone 1 of high clearance type.In addition, all the time, exist the countermeasure being equipped on vehicle etc. of bearing a heavy burden, but this situation can increase the weight of entire vehicle.As previously discussed, according to the structure possessing inclination sensor 68 and unloading valve 48, the increase of the weight of vehicle 2 can be suppressed.And, different from increasing the situation of wheelbase, there is no need vehicle is maximized, can topple over more compact design realization and prevent.
Unloading valve 48 is by as the advance unloading valve 46 cut off for the propulsive effort that makes vehicle 2 advance.Therefore, if angle of inclination becomes large when vehicle 2 moves ahead, advance unloading valve 46 works (unlatching) and vehicle 2 stops, thus can prevent from toppling over.Even during advance unloading valve 46 carries out work, because it is possible for retreating traveling, so can retreat for the time being and guarantee driving safety.Such as, can carried out being equipped with travel or the safety of bridge formation etc. guarantee after travel again, thus more reliably can carry out safety traffic.
In addition, travel safety device for motor M possesses annunciator 70, and when the angle of inclination of the vehicle 2 detected by inclination sensor 68 reaches the angle preset, while unloading valve 48 is unlocked, annunciator 70 is reported to the police.Therefore, by being reported to the police by annunciator 70 when the stopping of vehicle 2, even if thus operator can recognize that vehicle 2 emergent stopping neither the fault of vehicle 2 simultaneously.That is, operator can recognize vehicle 2 because angle of inclination becomes large and stop.
In addition, when the angle of carrying out setting in the mode of being undertaken reporting to the police by annunciator 70 be less than the mode be unlocked with unloading valve 48 carry out the angle set, first reported to the police by annunciator 70.Therefore, first by carrying out reporting to the police thus such as can promoting that operator carries out brake operation.Further, when angle increases, unloading valve 48 is unlocked and automatic stop vehicle 2.
Above, embodiments of the present invention are illustrated, but the present invention is not limited to above-mentioned embodiment.Such as, the warning portion of annunciator 70 grade can also be omitted.Except annunciator 70, as warning portion, also can as the structure of sound of giving notice.Such as, also alert message etc. can be shown in telltale.HST25 is not limited to the situation of the driving of the forward-reverse that can realize vehicle 2, also can be the driving of only advancing that can realize vehicle 2.HST25 also can be the driving only retreated that can realize vehicle 2.Unloading valve 48 is not limited to the situation of the both sides possessing advance unloading valve 46 and retreat unloading valve 47.HST25 also can omit when the driving of advance that can realize vehicle 2 and retreat unloading valve 47, and unloading valve 48 also can only comprise advance unloading valve 46.HST25 also can omit advance unloading valve 46 when the driving of retrogressing that can realize vehicle 2, and unloading valve 48 also only can comprise and retreats unloading valve 476.
Also multiple inclination sensor can be set and not only detect rearward angle of inclination but also detect the angle of inclination etc. of angle of inclination, to the left and right side forwards.The present invention is not limited to the vehicle 2 of self-propelled suspension rod atomizing cone 1, also can be applied to the vehicle of other riding supervisors.The present invention is not limited to the vehicle 2 of high clearance type, also can be applied to underslung vehicle.The present invention is not limited to the vehicle of field machine, also can be applied to the vehicle (such as construction implement or snow removing machine etc.) beyond the field machine possessing HST.
The explanation of symbol
1 ... self-propelled suspension rod atomizing cone (riding supervisor), 2 ... vehicle, 21 ... engine, 25 ... HST (hydrostatic variable-speed motor), 46 ... advance unloading valve, 47 ... retreat unloading valve, 48 ... unloading valve, 68 ... inclination sensor, 70 ... annunciator (warning portion), M ... travel safety device for motor.
Claims (4)
1. the travel safety device for motor (M) of a vehicle (2), is characterized in that:
Possess by using the power of engine (21) and the hydraulic pressure that produces to provide the travel safety device for motor (M) of the vehicle (2) of the hydrostatic variable-speed motor (25) of propulsive effort,
Possess:
Be installed in the inclination sensor (68) of described vehicle (2); And
Be connected to described hydrostatic variable-speed motor (25) hydraulic circuit and by carrying out opening thus cutting off the unloading valve (48) of the propulsive effort produced by hydraulic pressure,
Described travel safety device for motor is formed in the mode of opening described unloading valve (48) when reaching at the angle of inclination of the described vehicle (2) detected by described inclination sensor (68) angle preset.
2. the travel safety device for motor (M) of vehicle (2) as claimed in claim 1, is characterized in that:
Described hydrostatic variable-speed motor (25) can realize the driving of the forward-reverse of described vehicle (2),
Described unloading valve (48) is by the advance unloading valve (46) of the propulsive effort that is used for making described vehicle (2) to advance as cut-out.
3. the travel safety device for motor (M) of vehicle (2) as described in claim 1 or 2, is characterized in that:
Possess the warning portion (70) carrying out alert notice according to the angle of inclination detected by described inclination sensor (68) to operator,
Described travel safety device for motor is formed in the mode of carrying out alert notice by described warning portion (70) that is unlocked of described unloading valve (48) when reaching at the angle of inclination of the described vehicle (2) detected by described inclination sensor (68) angle preset simultaneously.
4. the travel safety device for motor (M) of vehicle (2) as described in claim 1 or 2, is characterized in that:
Possess the warning portion (70) according to the angle of inclination detected by described inclination sensor (68), operator being carried out to alert notice,
The angle that the mode that the angle be set in the mode of carrying out alert notice by described warning portion (70) is less than to open described unloading valve (48) is set.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-213559 | 2014-10-20 | ||
| JP2014213559A JP6294806B2 (en) | 2014-10-20 | 2014-10-20 | Vehicle travel safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105522917A true CN105522917A (en) | 2016-04-27 |
| CN105522917B CN105522917B (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510680919.4A Active CN105522917B (en) | 2014-10-20 | 2015-10-19 | The travel safety device for motor of vehicle |
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| Country | Link |
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| JP (1) | JP6294806B2 (en) |
| CN (1) | CN105522917B (en) |
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| CN106015548A (en) * | 2016-07-29 | 2016-10-12 | 常州东风农机集团有限公司 | Hydrostatic drive stepless speed change operation and shifting device |
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| JP6707042B2 (en) * | 2017-03-08 | 2020-06-10 | 株式会社丸山製作所 | Passenger management machine |
| CN107905993A (en) * | 2017-12-28 | 2018-04-13 | 潍柴动力股份有限公司 | A kind of air compressor load factor survey test device, test system and test method |
| JP2019187258A (en) * | 2018-04-20 | 2019-10-31 | 株式会社丸山製作所 | Agricultural implement |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2016080102A (en) | 2016-05-16 |
| CN105522917B (en) | 2018-06-15 |
| JP6294806B2 (en) | 2018-03-14 |
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