CN106740737A - A kind of vehicle rollover of auxiliary judges and universal wheel automatic anti-rollover device - Google Patents
A kind of vehicle rollover of auxiliary judges and universal wheel automatic anti-rollover device Download PDFInfo
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- CN106740737A CN106740737A CN201710175634.4A CN201710175634A CN106740737A CN 106740737 A CN106740737 A CN 106740737A CN 201710175634 A CN201710175634 A CN 201710175634A CN 106740737 A CN106740737 A CN 106740737A
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- vehicle
- rollover
- gravity
- universal wheel
- electronic control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A kind of vehicle rollover of auxiliary judges and universal wheel automatic anti-rollover device, device for detecting center of gravity including being capable of Real-time Collection vehicle's center of gravity position, device for detecting center of gravity sends to ECU electronic control units detection signal, and the signal output part connection of ECU electronic control units can adjust the executing agency of vehicle body left and right sides height；Described executing agency includes being symmetricly set on telescopic shaft of the vehicle frame left and right sides by Driven by Hydraulic Cylinder, and universal wheel is installed in the bottom of telescopic shaft；Described hydraulic cylinder connection hydraulic pump, and connecting line is provided with the magnetic valve being connected with ECU electronic control units.Described device for detecting center of gravity is arranged between vehicle bridge and vehicle frame, and in the longitudinally perpendicular symmetrical plane of vehicle body.The position of centre of gravity of Real-time Collection vehicle of the present invention, when vehicle occurs rollover danger, controls the flexible elongate axis of inclined side, and then center of gravity is returned to normal condition, is quick on the draw.
Description
Technical field
The present invention relates to a kind of vehicle structure, and in particular to a kind of vehicle rollover of auxiliary judges and the automatic anti-side of universal wheel
Turning-up devices.
Background technology
Vehicle in the process of moving due to load skewness, turn when excessive velocities, inclination or by wind-force
Under the influence of etc. natural cause, be susceptible to break away the even unsafe condition such as rollover, and large and medium-sized lorry is due to own vol
Greatly, center of gravity is higher, the dangerous probability of rollover occurs when running at high speed higher.There is side in the process of moving to reduce automobile
Turn over and cause accident, existing vehicle automatic anti-rollover device, such as " Vehicular multifunction rollover decision-making system and automatic anti-rollover dress
Put " (A of Publication No. CN 102092374) disclose a kind of Anti-side-turning device of the flexible shaft type in left and right, and the device is in control car
Can be by telescopic shaft to the left or right side is stretched out respectively, the travel area taken during this Anti-side-turning device application during rollover
It is larger, and passing vehicle may be hampered, easily trigger traffic accident, therefore range of application has certain limitation.
The content of the invention
It is an object of the invention to be directed to above-mentioned the problems of the prior art, there is provided a kind of vehicle rollover of auxiliary judge and
Universal wheel automatic anti-rollover device, can automatic detection vehicle whether occur that rollover is dangerous and is modified in time.
To achieve these goals, the technical solution adopted by the present invention is：
Device for detecting center of gravity including being capable of Real-time Collection vehicle's center of gravity position, device for detecting center of gravity sends detection signal
To ECU electronic control units, the signal output part connection of ECU electronic control units can adjust holding for vehicle body left and right sides height
Row mechanism；Described executing agency includes being symmetricly set on telescopic shaft of the vehicle frame left and right sides by Driven by Hydraulic Cylinder, telescopic shaft
Bottom is installed by universal wheel；Described hydraulic cylinder connection hydraulic pump, and connecting line is provided with what is be connected with ECU electronic control units
Magnetic valve.
Described device for detecting center of gravity is arranged between vehicle bridge and vehicle frame, and in the longitudinally perpendicular symmetrical plane of vehicle body.
Described device for detecting center of gravity includes centre-of gravity shift pointer and sensor.
Described bottom of frame is provided with fixing axle by the way that support is parallel with vehicle body direction, by the telescopic shaft of Driven by Hydraulic Cylinder
It is socketed in fixing axle and can be rotated around fixing axle, telescopic shaft remains vertical relative to ground under gravity
Directly.
Described universal wheel is fixed in rotary shaft by universal wheel shaft, and rotary shaft is fixed on flexible with bearing interference fit
In fixing axle board below axle.Described ECU electronic control units are also respectively connected with LCD MODULE and voice message
Module.
Described ECU electronic control units connection system sets circuit.
Compared with prior art, the present invention has following beneficial effect：By device for detecting center of gravity Real-time Collection vehicle
Position of centre of gravity, the signal that ECU electronic control units will be collected is compared with given threshold scope, when vehicle is turned on one's side
When dangerous, the flexible elongate axis of inclined side are controlled, and then center of gravity is returned to normal condition, be quick on the draw.Apparatus of the present invention
Detection ＆ Controling process can be automatically performed, and without manually being operated, when rollover is dangerous to be eliminated, telescopic shaft automatic retracted is answered
Position, intelligence is reliable.Because the telescopic shaft of the present apparatus stretches only in the longitudinally perpendicular plane of vehicle, therefore passing car will not be hindered
Traveling, improve vehicle traveling security.Additionally, when vehicle breaks down, when such as changing tire, can be adjusted by the device
The telescopic shaft for saving corresponding side is flexible without using jack, is easy to the maintenance of vehicle.The present invention can sail larger into vehicle
Adjustment vehicle's center of gravity is aided in during bend, prevents vehicle from sailing out of bend because centrifugal force is excessive, by being installed in close to vehicle
The position of middle front part, when having an accident, can strive for the regular hour to driver and passenger's escape, save life wealth
Produce, practicality is stronger.
Further, the present invention installs universal wheel, and bottom of frame by support and vehicle body direction in the bottom of telescopic shaft
It is parallel that fixing axle is installed, it is socketed in fixing axle by the telescopic shaft of Driven by Hydraulic Cylinder and can be rotated around fixing axle, ten thousand
360 ° of rotations can be carried out to wheel, telescopic shaft remains vertical relative to ground under gravity, when vehicle runs into promptly
When situation occurs sideslip, it is also possible to prevent vehicle from turning on one's side, casualties and some unnecessary losses are reduced.
Brief description of the drawings
The execution theory diagram of Fig. 1 apparatus of the present invention；
The assembling structure schematic diagram of Fig. 2 apparatus of the present invention；
Fig. 3 a present invention is installed on the side view of four-wheel car；
Fig. 3 b present invention is installed on the upward view of four-wheel car；
The assembled front view of Fig. 4 a executing agencies of the present invention；
The assembling side elevation of Fig. 4 b executing agencies of the present invention；
View when Fig. 5 a present invention prevents vehicle from turning on one's side to the left；
View when Fig. 5 b present invention prevents vehicle from turning on one's side to the right；
Fig. 5 c present invention is in servo condition schematic diagram；
In accompanying drawing：Centre-of gravity shift pointer and sensor before 1-；2- tailheaviness offset pointer and sensor；3- liquid crystal display modes
Block；4-ECU electronic control units；5- left sides executing agency；6- right sides executing agency；7- voice cue modules；8- vehicle frames；9- is left
Front-wheel；10- off-front wheels；11- flexible members；12- front axles；13- left rear wheels；14- off hind wheels；15- rear axles；16- fixing axles；
17- hydraulic cylinders；18- left sides telescopic shaft；19- right sides telescopic shaft；20- fixing axle boards；21- rotary shafts；The universal wheel shafts of 22-；23-
Left universal wheel；The right universal wheels of 24-；25- magnetic valves；26- hydraulic pumps.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, automatic anti-rollover device of the present invention includes being capable of the center of gravity detection dress of Real-time Collection vehicle's center of gravity position
Put, device for detecting center of gravity sends to ECU electronic control units 4, the signal output part of ECU electronic control units 4 detection signal
Connection can adjust the executing agency of vehicle body left and right sides height；Device for detecting center of gravity includes centre-of gravity shift pointer and sensing
Device.The connection system of ECU electronic control units 4 sets circuit, and its output end is also respectively connected with LCD MODULE 3 and voice message
Module 7.
Referring to Fig. 2, by taking common four-wheel car as an example, including a front axle and a rear axle.
Two vehicle bridge are provided with for vehicle, the quantity of centre-of gravity shift pointer and sensor is set to two, centre-of gravity shift
Pointer and sensor are respectively positioned in longitudinal direction of car vertical plane of symmetry, and preceding centre-of gravity shift pointer and sensor 1 are arranged on vehicle car
Between frame 8 and vehicle front axle 12 and perpendicular to the front axle 12 and the vehicle frame 8 of vehicle, tailheaviness offset pointer and sensor
2 are arranged between the vehicle frame 8 of vehicle and the vehicle rear axle 15 and perpendicular to the rear axle 15 and vehicle frame 8 of vehicle.Sensor
Output end be connected respectively the input of ECU electronic control units 4, centre-of gravity shift pointer is used to detect the left and right of vehicle
Barycentre offset, ECU electronic control units 4 are transmitted to by sensor by this shifted signal, by ECU electronic control units 4
In CPU (central processing unit) treatment conversion, provide the reference value of vehicle shift degree.
System connects executing agency, and the executing agency is used to prevent vehicle rollover.Executing agency and ECU Electronic Control lists
Unit 4 is connected and is controlled by it action, and Anti-side-turning device at least includes an executing agency, the core of length and vehicle according to vehicle frame
Determine the quantity that load sets executing agency, the left side that each executing agency includes on carriage frame and is arranged symmetrically performs
Mechanism 5 and right side executing agency 6.Referring to Fig. 3 b, described left side executing agency 5 and right side executing agency 6 include a liquid
Cylinder pressure 17, hydraulic cylinder 17 is respectively arranged below with left side telescopic shaft 18 and right side telescopic shaft 19, and located at the He of left side telescopic shaft 18
The rotary shaft 21 of the lower section of right side telescopic shaft 19, is fixed with left side universal wheel 23 and right side universal wheel 24 in rotary shaft 21, per side
The quantity of telescopic shaft lower section universal wheel is two, and telescopic shaft provides power by dynamical element, and by power and transmission unit
Part control telescopic shaft performs expanding-contracting action, and original state, universal wheel is contacted with ground, and is travelled forward with vehicle.
Specifically, referring to shown in Fig. 4 a and 4b, terminal is fixed on vehicle frame by fixing axle 16 on the telescopic shaft, and can
Swung around the fixing axle 16, influenceed by gravity factor, the telescopic shaft remains vertical relative to ground.It is described to stretch
There is a fixing axle board 20 contracting axle lower section, the fixing axle board 20 built with bearing, rotary shaft 21 below the telescopic shaft with
Bearing in fixing axle board 20 is connected by interference fit, and universal wheel shaft 22 is also equipped with the rotary shaft 21, described universal
Wheel in rotary shaft 21, can carry out 360 ° of rotations by universal wheel shaft 22.
ECU electronic control units 4 receive preceding centre-of gravity shift pointer and sensor 1 and tailheaviness offset pointer and sensing respectively
The barycentre offset of device 2, the CPU in ECU electronic control units 4 is calculated as below：
The first step：The pointer offset amount θ 1 of the preceding centre-of gravity shift pointer 1 of vehicle front axle will be arranged on and installed in rear car
The pointer offset amount θ 2 of the tailheaviness offset pointer 2 and peak value θ of vehicle setting is compared (wherein-θ 1 ,-θ 2 difference table on bridge
Show 1,2 side-play amount to the left of centre-of gravity shift pointer；+ θ 1 ,+θ 2 represent 1,2 skew to the right of centre-of gravity shift pointer respectively
Amount).
Second step：Currently, when the ∣ of 1 ∣, ∣ θ of pointer offset Liang ∣ θ 2 of tailheaviness offset pointer reach vehicle rollover setting value θ,
ECU electronic control units 4 send voice message through time delay, at the same output end also to pointer offset amount θ it is big and sharply increase that
Side executing agency sends anti-rollover instruction, executing agency's action.Currently, the ∣ of 1 ∣, ∣ θ of backpointer Pian Yi Liang ∣ θ 2 return to system
When in the safe range of setting, ECU electronic control units 4 send termination anti-rollover instruction, device is in servo condition.
As shown in figs. 3 a and 3b, dynamical element described in this example include the magnetic valve 25 on hydraulic pump 26, left side and right side and
Respective pipeline, the hydraulic pump 26 is connected through respective magnetic valve 25 by the pipeline with each described actuated element,
Each described actuated element includes hydraulic cylinder 17, and the hydraulic cylinder 17 is connected by pipeline with respective telescopic shaft, described flexible
The upper terminal of axle is fixed on carriage 8 by fixing axle 16.Wherein, the left and right execution in the output end of ECU electronic control units 4
The out-put supply holding wire correspondence connection left side of mechanism and the power signal line of right side magnetic valve 25.
As shown in Figure 3 b, the universal wheel of original state telescopic shaft is rolled with wheel together, and its wheelspan is less than vehicle
Wheelspan.In this example, the telescopic shaft 18 in left side is fixed on vehicle frame 8 by fixing axle 16 respectively with terminal on the telescopic shaft 19 on right side
Left inside side and Right Inboard, be connected with respective hydraulic cylinder 17 by fluid pressure line, hydraulic pump 26 by magnetic valve 25 transfer liquid
Cylinder pressure 17 drives respective telescopic shaft to stretch.The power signal line of respective magnetic valve 25 is connected respectively ECU Electronic Controls
The power signal line of the left and right executing agency in the output of unit 4, respective magnetic valve is controlled by ECU electronic control units 4
25, and then control the amount of the telescopic shaft output liquid to left and right of hydraulic pump 26 to adjust the flexible of left and right telescopic shaft.
As shown in figures 4 a and 4b, terminal is fixed on vehicle frame by fixing axle 16 on telescopic shaft, and can be left around fixing axle 16
Right swing, is influenceed by gravity factor, and telescopic shaft remains vertical relative to ground.There is fixing axle board 20 telescopic shaft lower section,
Fixing axle board 20 connects built with bearing, the rotary shaft 21 below telescopic shaft with the bearing interference fit in fixing axle board 20
Connect, universal wheel shaft 22 is also equipped with rotary shaft 21, the universal wheel in rotary shaft 21, can be done by the universal wheel shaft 22
360 ° of rotations.When vehicle runs into emergency circumstances generation sideslip, it is also possible to prevent vehicle from turning on one's side.
Vehicle equipped with embodiment of the present invention described device, during static or operation, it is possible to exist following several
The possibility of rollover is planted, is specifically illustrated：
As shown in Figure 5 a, when the side-play amount of vehicle's center of gravity offset pointer is displaced to the peak value θ and drastically of vehicle setting to the left
During increase, i.e.,：|-θ 1 |≤θ or |-θ 2 |≤θ, vehicle rollover decision-making system judges that vehicle is turned on one's side to the left, ECU electronic control units
The magnetic valve 25 of 4 output ends executing agency to the left sends the instruction of the hydraulic booster of telescopic shaft 18 to the left, and hydraulic pump 26 is by liquid
Liquid in cylinder pressure 17 is pressed into the telescopic shaft 18 of left side by conduit under fluid pressure, and the elongation of left side telescopic shaft 18 prevents vehicle to the left
Turn over.
When the side-play amount of centre-of gravity shift pointer is returned in the safe range of default, i.e.,：|-θ1|<θ and |-θ 2 |<
The magnetic valve 25 of the output end of θ, ECU electronic control unit 4 executing agency 5 to the left sends instruction, and hydraulic pump 26 is stopped, left
Liquid in side telescopic shaft 18 is back in the hydraulic cylinder 17 of left side due to the pressure by vehicle frame by fluid pressure line, left side telescopic shaft
18 in such as Fig. 5 c anti-rollover servo conditions.
As shown in Figure 5 b, when the side-play amount of vehicle's center of gravity offset pointer is displaced to the right the peak value θ and drastically of vehicle setting
During increase, i.e., |+θ 1 | >=θ or |+θ 2 | >=θ, vehicle rollover decision-making system judges that vehicle is turned on one's side to the right, ECU electronic control units 4
The magnetic valve 25 of output end executing agency to the right sends the instruction of the hydraulic booster of telescopic shaft 19 to the right, and hydraulic pump 26 is by hydraulic pressure
Liquid in cylinder 17 is pressed into the telescopic shaft 19 of right side by conduit under fluid pressure, and the elongation of right side telescopic shaft 19 prevents vehicle from turning on one's side to the right.
When the side-play amount of centre-of gravity shift pointer is returned in the safe range of default, i.e., |+θ 1 |<θ and |+θ 2 |<
The magnetic valve 25 of the output end of θ, ECU electronic control unit 4 executing agency 6 to the right sends instruction, and hydraulic pump 26 is stopped, right
Liquid in side telescopic shaft 19 is back in the hydraulic cylinder 17 of right side due to the pressure by vehicle frame 8 by fluid pressure line, and right side is stretched
Axle 19 is in anti-rollover servo condition as shown in Figure 5 c.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (7)
1. a kind of vehicle rollover of auxiliary judges and universal wheel automatic anti-rollover device, it is characterised in that：Including that can adopt in real time
The device for detecting center of gravity of collection vehicle's center of gravity position, device for detecting center of gravity sends to ECU electronic control units (4) detection signal,
The signal output part connection of ECU electronic control units (4) can adjust the executing agency of vehicle body left and right sides height；Described holds
Row mechanism includes being symmetricly set on telescopic shaft of vehicle frame (8) left and right sides by Driven by Hydraulic Cylinder, and the bottom of telescopic shaft installs universal
Wheel；Described hydraulic cylinder connection hydraulic pump, and connecting line is provided with the magnetic valve being connected with ECU electronic control units (4)
(25)。
2. the vehicle rollover for aiding according to claim 1 judges and universal wheel automatic anti-rollover device, it is characterised in that：Institute
The device for detecting center of gravity stated is arranged between vehicle bridge and vehicle frame, and in the longitudinally perpendicular symmetrical plane of vehicle body.
3. the vehicle rollover of auxiliary according to claim 1 or claim 2 judges and universal wheel automatic anti-rollover device that its feature exists
In：Described device for detecting center of gravity includes centre-of gravity shift pointer and sensor.
4. the vehicle rollover for aiding according to claim 1 judges and universal wheel automatic anti-rollover device, it is characterised in that：Institute
Vehicle frame (8) bottom stated is provided with fixing axle by the way that support is parallel with vehicle body direction, is socketed in by the telescopic shaft of Driven by Hydraulic Cylinder
Can be rotated in fixing axle and around fixing axle, telescopic shaft remains vertical relative to ground under gravity.
5. the vehicle rollover for aiding according to claim 1 judges and universal wheel automatic anti-rollover device, it is characterised in that：Ten thousand
It is fixed in rotary shaft through universal wheel shaft to wheel, rotary shaft is fixed on the fixing axle board below telescopic shaft with bearing interference fit
It is interior.
6. the vehicle rollover for aiding according to claim 1 judges and universal wheel automatic anti-rollover device, it is characterised in that：Institute
The ECU electronic control units (4) stated are also respectively connected with LCD MODULE (3) and voice cue module (7).
7. the vehicle rollover for aiding according to claim 1 judges and universal wheel automatic anti-rollover device, it is characterised in that：Institute
ECU electronic control units (4) connection system stated sets circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710175634.4A CN106740737B (en) | 2017-03-22 | 2017-03-22 | Auxiliary vehicle rollover judging and universal wheel automatic rollover preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710175634.4A CN106740737B (en) | 2017-03-22 | 2017-03-22 | Auxiliary vehicle rollover judging and universal wheel automatic rollover preventing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740737A true CN106740737A (en) | 2017-05-31 |
| CN106740737B CN106740737B (en) | 2023-10-03 |
Family
ID=58967757
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710175634.4A Active CN106740737B (en) | 2017-03-22 | 2017-03-22 | Auxiliary vehicle rollover judging and universal wheel automatic rollover preventing device |
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| CN (1) | CN106740737B (en) |
Cited By (4)
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| CN109305144A (en) * | 2018-09-18 | 2019-02-05 | 华东交通大学 | A kind of vehicle fast steering auxiliary device |
| CN109532334A (en) * | 2019-01-11 | 2019-03-29 | 山东交通学院 | A kind of preventing vehicle rollover pro-active intervention device |
| CN112067328A (en) * | 2020-08-25 | 2020-12-11 | 华南农业大学 | Protection device for agricultural machinery field soil tank test trolley |
| CN113053130A (en) * | 2021-03-23 | 2021-06-29 | 西安黄河机电有限公司 | On-bridge vehicle operation risk early warning method and device |
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| CN112067328A (en) * | 2020-08-25 | 2020-12-11 | 华南农业大学 | Protection device for agricultural machinery field soil tank test trolley |
| CN113053130A (en) * | 2021-03-23 | 2021-06-29 | 西安黄河机电有限公司 | On-bridge vehicle operation risk early warning method and device |
| CN113053130B (en) * | 2021-03-23 | 2023-06-06 | 西安黄河机电有限公司 | Method and device for early warning running risk of vehicle on bridge |
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| Publication number | Publication date |
|---|---|
| CN106740737B (en) | 2023-10-03 |
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