CN110217155A - Tank truck rollover composite protective system and its control process based on air bag - Google Patents

Tank truck rollover composite protective system and its control process based on air bag Download PDF

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Publication number
CN110217155A
CN110217155A CN201910371207.2A CN201910371207A CN110217155A CN 110217155 A CN110217155 A CN 110217155A CN 201910371207 A CN201910371207 A CN 201910371207A CN 110217155 A CN110217155 A CN 110217155A
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CN
China
Prior art keywords
swash plate
tank body
air bag
tank
rollover
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CN201910371207.2A
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CN110217155B (en
Inventor
李波
贝绍轶
赵又群
张兰春
杨银忠
周亭
杨艺
姚雪莲
丁月
王文豪
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Jiangsu University of Technology
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Jiangsu University of Technology
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Priority to CN201910371207.2A priority Critical patent/CN110217155B/en
Publication of CN110217155A publication Critical patent/CN110217155A/en
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Publication of CN110217155B publication Critical patent/CN110217155B/en
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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/02Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/11Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • A62C35/13Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a finite supply of extinguishing material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/22Tank vehicles
    • B60P3/2205Constructional features
    • B60P3/2215Mounting of tanks to vehicles
    • B60P3/222Mounting of tanks to vehicles including resilient means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/22Tank vehicles
    • B60P3/2205Constructional features
    • B60P3/2235Anti-slosh arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/22Tank vehicles
    • B60P3/224Tank vehicles comprising auxiliary devices, e.g. for unloading or level indicating
    • B60P3/2285Warning or prevention means against tilting

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Vehicle Body Suspensions (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The present invention relates to tank truck anti-rollover technical fields, especially a kind of tank truck rollover composite protective system based on air bag, including tank body, air bag, intelligent swash plate, hydraulic levels offset system, collision detection sensor, controller and vehicle frame, tank body is for carrying the liquid transported, the connection of the chassis of vehicle frame and tank truck, tank body is arranged on vehicle frame, there are two air bag settings, and two air bags are symmetrical set respectively in the two sides of tank body, hydraulic levels offset system is arranged between tank body and vehicle frame, collision detection sensor and controller are arranged on tank body, the rollover situation of tank body is detected by collision detection sensor, survey signal is looked through by controller receiving side, and air bag and hydraulic levels offset system are controlled, intelligent swash plate is arranged in tank body, the present invention can reduce side Turn over the probability of happening of accident, and secondary damage caused by reduction accident to greatest extent after rollover.

Description

Tank truck rollover composite protective system and its control process based on air bag
Technical field
The present invention relates to tank truck anti-rollover technical field, specific field is a kind of tank truck rollover based on air bag Composite protective system and its control process.
Background technique
In China, 400,000,000 tons of liquid goods is had more than every year and carries out highway transportation using truck tank, average daily freight volume reaches More than 100 ten thousand tons, it is related to a assortment of article more than 3000.Due to being unevenly distributed for liquid goods grown place and major consumers ground, rely on Truck tank carries out strange land freight total amount and is also increasing year by year.Being commonly used in for truck tank greatly facilitates production While development, serious traffic safety problem is also brought.Compared with the traffic accident of common cargo vehicle, due to truck tank There is hazard properties, the traffic accident such as explosion, inflammable, murder by poisoning, infection, burn into radioactivity to often result in huge more for freight Big casualties, property damage and environmental pollution.According to The Ministry of Public Security of the People's Republic of China, MOPS and the safe association of Chemistry In China product It counts, between 2007-2009, truck tank traffic accident total amount is up to 1565, causes about ten thousand people's injures and deaths;In recent years, automobile The traffic accident amount of tank car is still in rising trend.The present invention is directed to the mechanism of tank truck rollover event, studies side-tipping protective system.
Summary of the invention
The purpose of the present invention is to provide a kind of tank truck rollover composite protective system and its control based on air bag Process, to solve the problems, such as not can avoid tank truck rollover event in the prior art.
To achieve the above object, the invention provides the following technical scheme: a kind of tank truck rollover based on air bag is multiple Close guard system and its control process, including tank body, air bag, intelligent swash plate, hydraulic levels offset system, collision detection Sensor, controller and vehicle frame, the tank body is for carrying the liquid transported, the chassis company of the vehicle frame and tank truck It connects, the tank body is arranged on vehicle frame, and there are two the air bag settings, and two air bags are symmetrical set respectively In the two sides of tank body, the hydraulic levels offset system is arranged between tank body and vehicle frame, the collision detection sensor It is arranged on tank body with controller, the rollover situation of tank body is detected by collision detection sensor, passes through controller receiving side Survey signal is looked through, and air bag and hydraulic levels offset system are controlled, the intelligent swash plate is arranged in tank body It is interior, fluctuation prevention is carried out to the intracorporal liquid of tank by intelligent swash plate.
Preferably, the air bag includes operculum, canvas utricule, pedestal, fire extinguishing generator and gas generator, institute Stating pedestal is side opening case shape pedestal, and the side of the operculum and the opening side of pedestal are hinged, by operculum the bottom of to The opening progress of seat is closed, and the fire extinguishing generator and gas generator are arranged in pedestal, and the canvas utricule setting exists In pedestal, and canvas utricule packet sets entire fire extinguishing generator and gas generator, canvas utricule folded state pass through the envelope of operculum Closing entirely to be placed in pedestal, and the output end of the controller connects with the control terminal of fire extinguishing generator and gas generator respectively It connects.
Preferably, the intelligent swash plate include longitudinal swash plate, lateral swash plate, piezo-electric generating protrusion, hinge and Micromotor, longitudinal swash plate are vertically arranged in tank body, and lateral swash plate is in symmetrically to rotate to be provided on longitudinal swash plate Two, piezo-electric generating protrusion is evenly distributed on lateral swash plate surface, and micromotor is arranged on longitudinal swash plate top, and hinge is matched It closes and is connected at the shaft of micromotor and lateral swash plate, micromotor is connect with controller, is controlled by controller miniature The rotation of motor.
Preferably, the lateral swash plate is provided with multipair from top to bottom on longitudinal swash plate.
Preferably, the piezo-electric generating protrusion is from top to bottom successively by poly terephthalic acid, copper sheet, polytetrafluoroethyl-ne Alkene, aluminium flake and poly terephthalic acid composition.
Preferably, the hydraulic levels offset system includes slide plate, sliding rail and hydraulic cylinder, and the sliding rail is arranged in vehicle frame On, the slide plate is slidably arranged on sliding rail, and the tank body is mounted on slide plate, and there are two the hydraulic cylinder settings, and two Hydraulic cylinder is symmetrically arranged at the both ends of slide plate, and slide plate being capable of left and right horizontal movement under the thrust of hydraulic cylinder.
Preferably, there are two the hydraulic levels offset system is arranged on vehicle frame, and two hydraulic levels offset systems System is located at the front and rear sides of cabinet.
To achieve the above object, the present invention also provides following technical solutions: a kind of tank truck rollover based on air bag Its control process of composite protective system, the steps include:
(1) when setting vehicle is to left sharp turn, vehicle center of gravity is in state of inclining to the right;
(2) right side of system control at this time hydraulic cylinder works generate thrust, left side hydraulic cylinder generates pulling force, to the left by tank body Translation, so that vehicle center of gravity be deviated to the left, come centrifugal force when resisting vehicle left steering to the right, prevents rollover event from sending out It is raw;
(3) when vehicle turns right on the contrary, vehicle center of gravity is in state of inclining to the left;
(4) left side of system control at this time hydraulic cylinder works generate thrust, right side hydraulic cylinder generates pulling force, to the right by tank body Translation, so that vehicle center of gravity be deviated to the right, come centrifugal force when resisting vehicle right turn to the left, prevents rollover event from sending out It is raw;
(5) when rollover event occurs for tank car, crash sensor detects rollover signal and passes to controller;
(6) controller controls gas generator, and moment generates a large amount of nitrogen, while generator of putting out a fire ejects a large amount of powder Shape extinguishing chemical;
(7) canvas utricule is heaved rapidly under the expansion of nitrogen, is delayed in tank body and by generating one layer between pressure object Air-impulse bag, the presence of fire extinguisher can substantially reduce the probability that rollover causes fire;
(8) longitudinal swash plate is for reducing liquid transversal wave movement in tank body, and lateral swash plate is for reducing longitudinal in tank body Fluctuation;
(9) piezo-electric generating protrusion is arranged on lateral swash plate, for reducing liquid transverse shakiness, while by liquid sloshing Kinetic energy be used for piezo-electric generating, to prevent electrostatic from generating;
(10) liquid fluctuation drives piezo-electric generating bulging deformation, so as to cause piezoelectric structure power generation;
(11) lateral swash plate and longitudinal swash plate angle are α, and system controller acquires tank internal-filling liquid ratio and accelerates with lateral Spend ayVariation, control micromotor rotation;
(12) rotation of micromotor drives moving up and down for hinge, so that driving the variation of the α angle of lateral swash plate;
(13) to make the piezo-electric generating protrusion on lateral swash plate is as much as possible to contact with liquid level, reach more preferable power generation With the purpose for inhibiting fluctuation.
Preferably, it is integrally lateral to be analyzed and processed acquisition automobile according to the data that sensor is tested for step (1) to (4) Can, including kinetic energy and potential energy, then hydraulic levels offset system is carried out reversely translating automatically and be corrected, and prevents rollover event.
Preferably, the horizontal-shift distance y and whole laterally energy W of tank truckallBetween relationship:
Wherein, d is measurement error, WTAnd WdThe respectively lateral potential energy of vehicle and lateral kinetic energy, m1For nonspring carried mass, m2 For spring carried mass, h1For m1Height, h2For m2Height, vyFor vehicle side velocity, vtire, it is wheels travel speed,For Steering wheel angle, θ1For slip angle of tire, θ2For tire angle of heel.
Compared with prior art, the beneficial effects of the present invention are: having the system of rollover active protection and passive protection, one Aspect realizes tank truck rollover by the incline research and development of hydraulic levels offset system of the design and anti-side of swash plate intelligent in tank body Active is protected, and on the other hand realizes tank truck rollover passive protection by the research and development of rollover air bag.Active protective system with Passive protection system is respectively intended to after the probability of happening of reduction rollover event, and rollover secondary caused by reduction accident to greatest extent Raw damage.
Detailed description of the invention
Fig. 1 is overall system architecture schematic diagram of the invention;
Fig. 2 is hydraulic levels offset system structure chart of the invention;
Fig. 3 is hydraulic levels offset system hydraulic circuit of the invention;
Fig. 4 is hydraulic levels offset system control process of the invention;
Fig. 5 is intelligent anti-wave board structure of the invention;
Fig. 6 is the control principle that intelligent swash plate parameter alpha of the invention changes;
Fig. 7 is piezo-electric generating bulge-structure of the invention;
Fig. 8 is bag structure of the invention;
Fig. 9 is the structure after airbag crash of the invention;
Relationship of the Figure 10 between tank body lateral distance of the invention and the lateral energy of tank body.
In figure: 1, tank body;2, air bag;21, operculum;22, canvas utricule;23, pedestal;24, fire extinguishing generator;25, Gas generator;3, intelligent swash plate;31, longitudinal swash plate;32, lateral swash plate;33, piezo-electric generating protrusion;34, hinge; 35, micromotor;4, hydraulic levels offset system;41, slide plate;42, sliding rail;43, hydraulic cylinder;5, vehicle frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1 to 10, the present invention provides a kind of technical solution: a kind of tank truck rollover based on air bag is compound Guard system and its control process, including tank body 1, air bag 2, intelligent swash plate 3, hydraulic levels offset system 4, collision inspection Sensor, controller and vehicle frame 5 are surveyed, the tank body 1 is for carrying the liquid transported, the vehicle frame 5 and tank truck Chassis connection, the tank body 1 are arranged on vehicle frame 5, and there are two the settings of air bag 2, and two air bags 2 are distinguished It is symmetrical set in the two sides of tank body 1, the hydraulic levels offset system 4 is arranged between tank body 1 and vehicle frame 5, described Collision detection sensor and controller are arranged on tank body 1, and the rollover situation of tank body 1 is detected by collision detection sensor, Survey signal is looked through by controller receiving side, and air bag 2 and hydraulic levels offset system 4 are controlled, the intelligence Energy swash plate 3 is arranged in tank body 1, carries out fluctuation prevention to the liquid in tank body 1 by intelligent swash plate 3.
The air bag 2 includes operculum 21, canvas utricule 22, pedestal 23, fire extinguishing generator 24 and gas generator 25, the pedestal 23 is side opening case shape pedestal 23, and the side of the operculum 21 and the opening side of pedestal 23 are hinged, Closed by opening progress of the operculum 21 to pedestal 23, the fire extinguishing generator 24 and gas generator 25 are arranged at pedestal 23 Interior, the canvas utricule 22 is arranged in pedestal 23, and the packet of canvas utricule 22 sets entire fire extinguishing generator 24 and gas generator 25,22 folded state of canvas utricule can be entirely placed in pedestal 23, the output end of the controller by the closing of operculum 21 It is connect respectively with the control terminal of fire extinguishing generator 24 and gas generator 25.
The intelligent swash plate 3 includes longitudinal swash plate 31, lateral swash plate 32, piezo-electric generating protrusion 33, hinge 34 With micromotor 35, longitudinal swash plate 31 is vertically arranged in tank body 1, and lateral swash plate 32 is in symmetrically on longitudinal swash plate 31 There are two rotation settings, and piezo-electric generating protrusion 33 is evenly distributed on lateral 32 surface of swash plate, and micromotor 35 is arranged in longitudinal direction 31 top of swash plate, hinge 34 are cooperatively connected at the shaft of micromotor 35 and lateral swash plate 32, micromotor 35 and control Device connection processed, the rotation of micromotor 35 is controlled by controller.
The lateral swash plate 32 is provided with multipair from top to bottom on longitudinal swash plate 31.
The piezo-electric generating protrusion 33 is from top to bottom successively by poly terephthalic acid, copper sheet, polytetrafluoroethylene (PTFE), aluminium Piece and poly terephthalic acid composition.
The hydraulic levels offset system 4 includes slide plate 41, sliding rail 42 and hydraulic cylinder 43, and the sliding rail 42 is arranged in vehicle On frame 5, the slide plate 41 is slidably arranged on sliding rail 42, and the tank body 1 is mounted on slide plate 41, and the hydraulic cylinder 43 is arranged There are two, two hydraulic cylinders 43 are symmetrically arranged at the both ends of slide plate 41, the energy under the thrust of hydraulic cylinder 43 of slide plate 41 Enough left and right horizontals are mobile.
There are two the hydraulic levels offset system 4 is arranged on vehicle frame 5, and two hydraulic levels offset system 4 In the front and rear sides of cabinet.4 hydraulic cylinders 43 are respectively communicated with two oil pumps, distinguish the liquid being mounted on sliding rail 42 with the left and right sides The left side hydraulic port end of 43,4 hydraulic cylinders 43 of cylinder pressure connects oil pump one, and the right side hydraulic port end of 4 hydraulic cylinders 43 connects oil pump Two, two oil pumps are connect with controller, and the control that stroke is carried out to hydraulic cylinder 43, oil are made by controller control oil pump Orifice valve is respectively connected between pump and the hydraulic port of each hydraulic cylinder 43.
A kind of its control process of the tank truck rollover composite protective system based on air bag 2, the steps include:
(1) when setting vehicle is to left sharp turn, vehicle center of gravity is in state of inclining to the right;
(2) work of hydraulic cylinder 43 of the right side of system control at this time generates thrust, left side hydraulic cylinder 43 generates pulling force, by tank body 1 It translates to the left, so that vehicle center of gravity be deviated to the left, come centrifugal force when resisting vehicle left steering to the right, prevents rollover thing Therefore occur;
(3) when vehicle turns right on the contrary, vehicle center of gravity is in state of inclining to the left;
(4) work of hydraulic cylinder 43 of the left side of system control at this time generates thrust, right side hydraulic cylinder 43 generates pulling force, by tank body 1 It translates to the right, so that vehicle center of gravity be deviated to the right, come centrifugal force when resisting vehicle right turn to the left, prevents rollover thing Therefore occur;
(5) when rollover event occurs for tank car, crash sensor detects rollover signal and passes to controller;
(6) controller controls gas generator 25, and moment generates a large amount of nitrogen, while generator 24 of putting out a fire ejects largely Powdery extinguishing chemical;
(7) canvas utricule 22 is heaved rapidly under the expansion of nitrogen, is generated in tank body 1 and between pressure object one layer Buffer air bag 2, the presence of fire extinguisher can substantially reduce the probability that rollover causes fire;
(8) longitudinal swash plate 31 is for reducing liquid transversal wave movement in tank body 1, and lateral swash plate 32 is for reducing tank body 1 Interior longitudinal fluctuation;
(9) piezo-electric generating protrusion 33 is arranged on lateral swash plate 32, for reducing liquid transverse shakiness, while by liquid The kinetic energy of shaking is used for piezo-electric generating, to prevent electrostatic from generating;
(10) liquid fluctuation drives piezo-electric generating protrusion 33 to deform, so as to cause piezoelectric structure power generation;
(11) lateral swash plate 32 and longitudinal 31 angle of swash plate are α, and system controller acquires tank internal-filling liquid ratio and lateral Acceleration ayVariation, control micromotor 35 rotate;
(12) rotation of micromotor 35 drives moving up and down for hinge 34, so that driving the α angle of lateral swash plate 32 Variation;
(13) to make the piezo-electric generating protrusion 33 on lateral swash plate 32 is as much as possible to contact with liquid level, reach more preferable Power generation and the purpose for inhibiting fluctuation.
Step (1) to (4) is analyzed and processed according to the data that sensor is tested and obtains the whole laterally energy of automobile, including Kinetic energy and potential energy, then hydraulic levels offset system 4 carries out reversed translation correction automatically, prevents rollover event.
The horizontal-shift distance y and whole laterally energy W of tank truckallBetween relationship:
Wherein, d is measurement error, WTAnd WdThe respectively lateral potential energy of vehicle and lateral kinetic energy, m1For nonspring carried mass, m2 For spring carried mass, h1For m1Height, h2For m2Height, vyFor vehicle side velocity, vtire, it is wheels travel speed,For Steering wheel angle, θ1For slip angle of tire, θ2For tire angle of heel.
By the technical program, the data of sensor detection include that longitudinal speed, steering wheel angle, tire are vertical negative Lotus, vehicle side velocity, hydraulic fill ratio, the sensing detecting data of above-mentioned vehicle sensors import in controller, so that control Device processed carries out corresponding extension and contraction control to hydraulic cylinder 43, so that the slippage between response slide plate 4131 and sliding rail 42, to avoid tank Body 1 is turned on one's side.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

  1. The composite protective system 1. a kind of tank truck based on air bag is turned on one's side, it is characterised in that: including tank body, air bag, Intelligent swash plate, hydraulic levels offset system, collision detection sensor, controller and vehicle frame, the tank body is for carrying quilt The chassis of the liquid of transport, the vehicle frame and tank truck connects, and the tank body is arranged on vehicle frame, and the air bag is set There are two setting, and two air bags are symmetrical set respectively in the two sides of tank body, the hydraulic levels offset system setting Between tank body and vehicle frame, the collision detection sensor and controller are arranged on tank body, are sensed by collision detection Device detects the rollover situation of tank body, looks through survey signal by controller receiving side, and to air bag and hydraulic levels offset system System is controlled, and the intelligent swash plate is arranged in tank body, is fluctuated by intelligent swash plate to the intracorporal liquid of tank It prevents.
  2. The composite protective system 2. the tank truck according to claim 1 based on air bag is turned on one's side, it is characterised in that: described Air bag include operculum, canvas utricule, pedestal, fire extinguishing generator and gas generator, the pedestal is side opening box Body shape pedestal, the side of the operculum and the opening side of pedestal are hinged, carry out closed, institute by opening of the operculum to pedestal It states fire extinguishing generator and gas generator is arranged in pedestal, the canvas utricule is arranged in pedestal, and canvas utricule packet If entirely fire extinguishing generator and gas generator, canvas utricule folded state can entirely be placed in pedestal by the closing of operculum Interior, the output end of the controller is connect with the control terminal of fire extinguishing generator and gas generator respectively.
  3. The composite protective system 3. the tank truck according to claim 1 based on air bag is turned on one's side, it is characterised in that: described Intelligent swash plate include longitudinal swash plate, lateral swash plate, piezo-electric generating protrusion, hinge and micromotor, longitudinal swash plate It is vertically arranged in tank body, lateral swash plate is in symmetrically on longitudinal swash plate there are two rotation settings, and piezo-electric generating protrusion is It is even to be distributed in lateral swash plate surface, micromotor setting on longitudinal swash plate top, hinge be cooperatively connected micromotor with At the shaft of lateral swash plate, micromotor is connect with controller, and the rotation of micromotor is controlled by controller.
  4. The composite protective system 4. the tank truck according to claim 3 based on air bag is turned on one's side, it is characterised in that: described Lateral swash plate be provided with from top to bottom on longitudinal swash plate it is multipair.
  5. The composite protective system 5. the tank truck according to claim 3 based on air bag is turned on one's side, it is characterised in that: described Piezo-electric generating protrusion from top to bottom successively by poly terephthalic acid, copper sheet, polytetrafluoroethylene (PTFE), aluminium flake and poly- terephthaldehyde Acid composition.
  6. The composite protective system 6. the tank truck according to claim 1 based on air bag is turned on one's side, it is characterised in that: described Hydraulic levels offset system include slide plate, sliding rail and hydraulic cylinder, the sliding rail is arranged on vehicle frame, the slide plate sliding setting On the slide rail, the tank body is mounted on slide plate, and there are two the hydraulic cylinder settings, and two hydraulic cylinders are symmetrically arranged at The both ends of slide plate, slide plate being capable of left and right horizontal movements under the thrust of hydraulic cylinder.
  7. The composite protective system 7. the tank truck according to claim 6 based on air bag is turned on one's side, it is characterised in that: described Hydraulic levels offset system be arranged on vehicle frame there are two, and two hydraulic levels offset systems are located at the front and back two of cabinet Side.
  8. 8. a kind of control process of the tank truck rollover composite protective system based on air bag, it is characterised in that: the steps include:
    (1) when setting vehicle is to left sharp turn, vehicle center of gravity is in state of inclining to the right;
    (2) right side of system control at this time hydraulic cylinder works generate thrust, left side hydraulic cylinder generates pulling force, and tank body is flat to the left It moves, so that vehicle center of gravity be deviated to the left, come centrifugal force when resisting vehicle left steering to the right, prevents rollover event;
    (3) when vehicle turns right on the contrary, vehicle center of gravity is in state of inclining to the left;
    (4) left side of system control at this time hydraulic cylinder works generate thrust, right side hydraulic cylinder generates pulling force, and tank body is put down to the right It moves, so that vehicle center of gravity be deviated to the right, come centrifugal force when resisting vehicle right turn to the left, prevents rollover event;
    (5) when rollover event occurs for tank car, crash sensor detects rollover signal and passes to controller;
    (6) controller controls gas generator, and moment generates a large amount of nitrogen, while generator of putting out a fire ejects a large amount of powdery and goes out Fiery agent;
    (7) canvas utricule is heaved rapidly under the expansion of nitrogen, is generated in tank body and between pressure object one layer of buffering gas Capsule, the presence of fire extinguisher can substantially reduce the probability that rollover causes fire;
    (8) longitudinal swash plate is for reducing liquid transversal wave movement in tank body, and lateral swash plate in tank body for reducing longitudinally fluctuating;
    (9) piezo-electric generating protrusion is arranged on lateral swash plate, for reducing liquid transverse shakiness, while moving liquid sloshing It can be used for piezo-electric generating, to prevent electrostatic from generating;
    (10) liquid fluctuation drives piezo-electric generating bulging deformation, so as to cause piezoelectric structure power generation;
    (11) lateral swash plate and longitudinal swash plate angle are α, and system controller acquires tank internal-filling liquid ratio and side acceleration ay's Variation, control micromotor rotation;
    (12) rotation of micromotor drives moving up and down for hinge, so that driving the variation of the α angle of lateral swash plate;
    (13) to make the piezo-electric generating protrusion on lateral swash plate is as much as possible to contact with liquid level, reach more preferable power generation and suppression Make the purpose of fluctuation.
  9. 9. the control process of the tank truck rollover composite protective system according to claim 8 based on air bag, special Sign is: step (1) to (4), is analyzed and processed according to the data that sensor is tested and obtains the whole laterally energy of automobile, including is dynamic Energy and potential energy, then hydraulic levels offset system is carried out reversely translating automatically and be corrected, and prevents rollover event.
  10. 10. the control process of the tank truck rollover composite protective system according to claim 9 based on air bag, special Sign is: the horizontal-shift distance y and whole laterally energy W of tank truckallBetween relationship:
    Wherein, d is measurement error, WTAnd WdThe respectively lateral potential energy of vehicle and lateral kinetic energy, m1For nonspring carried mass, m2For spring load Quality, h1For m1Height, h2For m2Height, vyFor vehicle side velocity, vtire, it is wheels travel speed,For steering wheel Corner, θ1For slip angle of tire, θ2For tire angle of heel.
CN201910371207.2A 2019-05-06 2019-05-06 Side-turning composite protection system of tank truck based on safety air bag and control process of side-turning composite protection system Active CN110217155B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112499009A (en) * 2020-11-23 2021-03-16 湖南利美防爆装备制造股份有限公司 Inflammable and explosive hazardous articles transportation holding vessel
CN112937413A (en) * 2021-04-01 2021-06-11 南华大学 Logistics vehicle for conveying dangerous liquid

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