CN116279332A - Emergency use deceleration risk avoiding device - Google Patents
Emergency use deceleration risk avoiding device Download PDFInfo
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- CN116279332A CN116279332A CN202310348745.6A CN202310348745A CN116279332A CN 116279332 A CN116279332 A CN 116279332A CN 202310348745 A CN202310348745 A CN 202310348745A CN 116279332 A CN116279332 A CN 116279332A
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- emergency use
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- use deceleration
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- 238000005096 rolling process Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000872 buffer Substances 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 14
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
- B60T1/14—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/04—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an emergency use deceleration risk avoiding device, which comprises: the arc plate is arranged at the position of the carriage bottom plate at the front upper part of the driving wheel, the bottom surface of the arc plate is an arc surface which is contacted with the ground and generates sliding friction, the top surface of the arc plate is a rolling surface which is contacted with the wheel and generates rolling friction, and at least two stop wheels are rotationally connected on the rolling surface. When the structure is used for emergency braking, the arc plate positioned in front of the driving wheel falls, the bottom surface slides to reduce the speed, the top surface rolls to reduce the speed of the wheel, the emergency braking of the vehicle is realized under the condition of minimum damage to the wheel, and meanwhile, in the braking process, the power of the vehicle is small due to the dragging friction movement formed by the arc plate and the bottom surface, and the vehicle is forced to realize emergency stop by virtue of the braking device of the driven wheel.
Description
Technical Field
The invention relates to the technical field of automobile deceleration risk avoidance, in particular to a deceleration risk avoidance device for emergency use.
Background
Under the condition that the motor vehicle runs at a high speed or the large vehicle runs at a large gradient, the speed is high when the vehicle runs from a high place, the inertia is high, brake failure is often caused, the North China university engineering training center investigates the reasons of the traffic accidents of the truck once, 75.3% of the reasons of the traffic accidents of the truck are long in braking distance, the brake is the first reason of serious accidents, when abnormal sound or sudden decline of braking force occurs, a common braking mode is adopted when the hand brake brakes, but under the condition, the hand brake is required to be pulled down or pulled down too fast, a certain requirement is provided for the proficiency of a driver, and under the condition, if a device is provided, the speed energy of a driving wheel of the vehicle can be transferred, so that the vehicle can be reduced and stopped in a short time, the accident of destroying people of the truck is timely avoided, and therefore, the emergency use speed reduction and risk avoidance device is provided for solving the problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an emergency use deceleration risk avoiding device, and provides an emergency risk avoiding structure, wherein an emergency braking mode of a hand brake is replaced, when the hand brake is used for emergency braking, an arc plate positioned in front of a driving wheel falls, the bottom surface slides to rub and decelerate, the top surface rolls to rub and decelerate a wheel, the emergency braking of a vehicle is realized under the condition of minimum damage to the wheel, and meanwhile, in the braking process, the arc plate and the bottom surface form dragging friction movement, the power of the vehicle is small, and the vehicle is forced to realize emergency stop by virtue of a braking device of a driven wheel.
In order to achieve the above object, an emergency use deceleration risk avoiding device according to the present invention includes:
the arc plate is arranged at the position of the carriage bottom plate at the front upper part of the driving wheel, the bottom surface of the arc plate is an arc surface which is contacted with the ground and generates sliding friction, the top surface of the arc plate is a rolling surface which is contacted with the wheel and generates rolling friction, and at least two stop wheels are rotationally connected on the rolling surface.
When the structure is used for emergency braking, the arc plate positioned in front of the driving wheel falls, the bottom surface slides to reduce the speed, the top surface rolls to reduce the speed of the wheel, the emergency braking of the vehicle is realized under the condition of minimum damage to the wheel, and meanwhile, in the braking process, the power of the vehicle is small due to the dragging friction movement formed by the arc plate and the bottom surface, and the vehicle is forced to realize emergency stop by virtue of the braking device of the driven wheel.
As a further optimization of the scheme, an electrifying coil is buried in the center of the arc-shaped plate, a magnet is mounted on the stopping wheel, the electrifying coil generates electromagnetic force and drives the stopping wheel to rotate towards the direction close to the wheel, the electromagnetic force generated by the electrifying coil drives the stopping wheel to swing, the swinging direction is opposite to the direction of the wheel steering, and a through hole for the side of the stopping wheel to move is formed in the side of the arc-shaped plate. The power-on coil and the stop wheel form a structure similar to magnetic suspension, and electromagnetic force generated after the power-on coil is powered on drives the stop wheel to have outward force so as to drive the stop wheel to be in close contact with the wheel, and meanwhile, the electromagnetic force can drive the stop wheel to swing in the direction opposite to the steering direction of the wheel so as to further strengthen the effect of the stop wheel in braking the wheel.
As a further optimization of the scheme, the arc-shaped plate surface and the stop wheel have a gap, preferably, the gap is 5 mm, so that the stop wheel is not contacted with the arc-shaped plate surface when the wheel is contacted with the stop wheel.
As a further optimization of the above scheme, the side of the above-mentioned stop wheel is connected with the briquetting, and the recess is located fenestrate side, and briquetting part gets into the recess and locates on the circumference route of briquetting with the first gasbag part of buffering briquetting, and the bottom surface of above-mentioned arc is equipped with the second gasbag of buffering, and this second gasbag passes through the air duct with first gasbag to be connected, and above-mentioned first gasbag part is globular and partly passes the recess, and above-mentioned fenestrate side is arc and diameter reduces in proper order from bottom to top, and above-mentioned recess is arranged in fenestrate side upper portion. The communication between the first air bag and the second air bag forms a bidirectional buffer structure. The swing effect of first gasbag buffering briquetting avoids the detent wheel to excessively rotate, promotes the braking effect of detent wheel, simultaneously, and the in-process that first gasbag pressurized is inflated to the second gasbag, promotes the area of contact of second gasbag and ground to promote the sliding friction effect of arc and bottom surface.
The emergency use deceleration risk avoiding device has the following beneficial effects:
1. the emergency use deceleration risk avoiding device forms a double-sided braking structure, when the structure is used for emergency braking, the arc plate positioned in front of the driving wheel falls, the bottom surface slides, rubs and decelerates, the top surface rolls, rubs and decelerates the wheel, the emergency braking of the vehicle is realized under the condition of minimum damage to the wheel, and meanwhile, in the braking process, the arc plate and the bottom surface form dragging friction movement, so that the power of the vehicle is small, and the vehicle is forced to realize emergency stop by virtue of the braking device of the driven wheel.
2. The invention relates to an emergency use deceleration risk avoiding device, which is characterized in that a similar magnetic suspension structure consisting of an electrified coil and a stop wheel is selected for a braking structure at the side contacted with a wheel, the structure drives the stop wheel to have an outward force through electromagnetic force generated after the electrified coil is electrified so as to drive the stop wheel to tightly contact with the wheel, and meanwhile, the electromagnetic force can drive the stop wheel to swing in the direction opposite to the steering direction of the wheel so as to further strengthen the effect of the stop wheel for braking the wheel.
3. According to the emergency use deceleration risk avoiding device, a bidirectional buffer structure is additionally added for a double-sided braking structure, the structure is formed by the communication of the first air bag and the second air bag, the first air bag buffers the swinging effect of the pressing block, excessive rotation of the stop wheel is avoided, the braking effect of the stop wheel is improved, meanwhile, in the process of pressing the first air bag, the second air bag is inflated, the contact area of the second air bag and the ground is improved, and the sliding friction effect of the arc plate and the ground is improved.
Specific embodiments of the invention are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed, it being understood that the embodiments of the invention are not limited in scope and that the embodiments of the invention include many variations, modifications and equivalents.
Drawings
FIG. 1 is a schematic diagram of a front view of an emergency use deceleration risk avoidance device;
FIG. 2 is a schematic diagram of the overall structure of an emergency use deceleration risk avoiding device;
FIG. 3 is a schematic view of the overall structure of the arc plate of the present invention;
FIG. 4 is a schematic front view of a second air bag according to the present invention;
fig. 5 is an enlarged schematic view of the structure at a in fig. 4.
In the figure: 1. an arc-shaped plate; 2. a stop wheel; 3. a power-on coil; 4. a gap; 5. a first air bag; 6. a second air bag; 11. an arc surface; 12. a rolling surface; 13. perforating; 21. a magnet; 31. briquetting; 61. an air duct; 131. a groove.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that, when an element is referred to as being "disposed on," or having an intermediate element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected to," or having an intermediate element, it may be directly connected to the other element or intervening elements may be present, and the term "fixedly connected" is used herein in a wide variety of manners and is not intended to be limiting, and the terms "vertical", "horizontal", "left", "right", and the like are used herein for illustrative purposes only and are not meant to be exclusive embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in this description are for the purpose of describing particular embodiments only and are not intended to limit the invention to any and all combinations of one or more of the associated listed items;
fig. 1 and 2 of the accompanying drawings constitute a first embodiment of an emergency use deceleration risk-avoiding device, in which fig. 1 and 2 an arcuate plate 1 according to the invention is mounted in a position of a floor of a vehicle front upper side of a drive wheel.
In more detail, in some examples, the arc plate 1 is attracted to the carriage bottom plate at the front upper part of the driving wheel in a magnetic attraction manner, the two ends of the arc plate 1 are provided with magnetic attraction block structures, the electromagnetic block is arranged at the carriage bottom plate at the front upper part of the driving wheel, the electromagnetic block is in an electrified state in a normal state, a control switch electrically connected with the electromagnetic block is arranged in the vehicle body, and a user presses the control switch to realize the outage of the electromagnetic block, so that the electromagnetic block and the magnetic attraction block are not magnetically attracted any more, and the arc plate 1 falls.
Furthermore, after the device is used, if the device can still be used continuously, the device can be re-attached to the position of the carriage bottom plate above the front part of the driving wheel through the electromagnetic adsorption structure.
Fig. 2 shows a schematic structural view of the first embodiment, in fig. 2, the bottom surface of the arc plate 1 is an arc surface 11 contacting with the ground and generating sliding friction, and the top surface of the arc plate is a rolling surface 12 contacting with the wheel and generating rolling friction, in some examples, the middle part of the bottom surface of the arc plate 1 is provided with a relatively gentle contact surface, the contact surface mainly contacts with the ground, and the relatively gentle structure is such that the contact surface is less damaged on the ground and has larger sliding friction area during the sliding process of the ground, and the sliding friction effect is better.
Further, the rolling surface 12 in fig. 2 is mainly implemented by a rotatable stopping wheel 2 arranged on the rolling surface 12, which stopping wheel 2, in some examples, is not vertically movable, is fixed in position but rotatable, and in the process, the auxiliary braking with less damage to the driving wheel is implemented by rolling friction, and in this process, the main braking action of the vehicle body is implemented by a braking device on the driven wheel.
In summary, the emergency use deceleration risk avoiding device provided by the first embodiment adopts a double-sided braking structure, when the emergency braking is performed, the arc plate positioned in front of the driving wheel falls, the bottom surface slides to rub for deceleration, the top surface rolls to rub for decelerating the wheel, the emergency braking of the vehicle is realized under the condition of minimum damage to the wheel, meanwhile, in the braking process, due to dragging friction movement formed by the arc plate and the bottom surface, the power of the vehicle is small, and the vehicle is forced to realize emergency stop by virtue of the braking device of the driven wheel.
Referring to fig. 3 of the drawings, which is a second embodiment of an emergency use deceleration risk-avoiding device, in fig. 3, an arc plate 1 according to the present invention is installed at a front upper floor position of a driving wheel in a manner that the arc plate 1 is disposed at the front upper floor position of the driving wheel, a bottom surface of the arc plate 1 is an arc surface 11 contacting with the ground and generating sliding friction, a top surface of the arc plate 1 is a rolling surface 12 contacting with a wheel and generating rolling friction, and at least two stop wheels 2 are rotatably connected to the rolling surface 12.
In this embodiment, the circular plate 1 has a buried current-carrying coil 3 at the center thereof, and the stop wheel 2 is mounted with a magnet 21, and the current-carrying coil 3 generates electromagnetic force and drives the stop wheel 2 to rotate in a direction approaching to the wheel, however, in some examples, the magnetic levitation-like function can be realized by designing the stop wheel 2 to have a magnetic wheel body structure.
Further, the electromagnetic force generated by the energizing coil 3 drives the stopper wheel 2 to swing in a direction opposite to the wheel turning direction, and a through hole 13 for moving the stopper wheel 2 sideways is provided on the side of the arcuate plate 1, that is, the through hole 13 moves up and down on the side of the stopper wheel 2.
In more detail, the energizing coil 3 and the stopping wheel 2 are configured to have a structure similar to magnetic levitation, and the stopping wheel 2 is driven to have an outward force by the electromagnetic force generated after the energizing coil 3 is energized so as to drive the stopping wheel 2 to be in close contact with the wheel, and meanwhile, the electromagnetic force can also drive the stopping wheel 2 to swing in a direction opposite to the steering direction of the wheel so as to further enhance the effect of the stopping wheel 2 in braking the wheel.
In some examples, the surface of the arc plate 1 and the surface of the stop wheel 2 have a gap 4, preferably, the gap is 5 mm, so as to ensure that the stop wheel 2 is not in contact with the surface of the arc plate 1 when the wheel is in contact with the stop wheel 2, and avoid contact friction between the stop wheel 2 and the arc plate 1.
As a further supplement of the invention, a speed detection component, such as a sensor, can be additionally arranged in the inner space of the arc plate to measure the speed of the wheels of the automobile, and data is transmitted to an adaptive algorithm for calculation so as to adjust the magnitude of current in the energized coil of the arc plate, thereby controlling the magnitude of magnetic force applied to the small pulley.
Referring to fig. 4 of the specification and fig. 5 of the specification, a third embodiment of the emergency use deceleration risk prevention device is formed, in fig. 4 and 5, an arc plate 1 according to the present invention is installed at a front upper floor position of a driving wheel in a manner that the arc plate 1 is arranged at the front upper floor position of the driving wheel, a bottom surface of the arc plate 1 is an arc surface 11 contacting with the ground and generating sliding friction, a top surface of the arc plate 1 is a rolling surface 12 contacting with a wheel and generating rolling friction, and at least two stop wheels 2 are rotatably connected to the rolling surface 12.
Further, in this embodiment, the side of the stopping wheel 2 is connected with a pressing block 31, the groove 131 is formed on the side surface of the through hole 13, a part of the pressing block 31 enters the groove 131 and is formed on the circumferential path of the pressing block 31 by a first air bag 5 for buffering the pressing block 31, and the first air bag 5 mainly plays a role in buffering the swinging range of the pressing block 31, so as to further achieve the purpose of limiting the swinging range of the stopping wheel 2.
In some examples, the number of the first airbags 5 may be two and are separated on both sides of the stopping wheel 2.
Further, in this embodiment, the bottom surface of the arc plate 1 is provided with a second buffer air bag 6, and the second air bag 6 is used to buffer the impact of the arc plate 1 falling onto the ground and the impact of the protrusion on the ground on the arc plate 1 during the sliding friction process.
Further, the second air bag 6 is connected to the first air bag 5 through the air duct 61, at this time, after the first air bag 5 is pressed, the air in the first air bag 5 is filled into the second air bag 6, at this time, the contact area between the second air bag 6 and the ground is increased, so that the first air bag 5 limits the stop wheel 2, and at the same time, the contact area between the second air bag 6 and the ground is enlarged, and the sliding friction effect between the second air bag 6 and the ground is enhanced.
Further, in some examples, the first balloon 5 is partially spherical and partially passes through the groove 131, and of course, a hemispherical structure or other structures, such as a rectangular structure, may be used.
Further, in order to adapt the perforation 13 to the structure of the first airbag 5, in this embodiment, the side surface of the perforation 13 is arc-shaped and the diameter thereof decreases from bottom to top, and the groove 131 is disposed at the upper side surface of the perforation 13.
To sum up, the third embodiment is directed to a double-sided braking structure, and the auxiliary bidirectional buffer structure is added, the structure is formed by the communication between the first air bag 5 and the second air bag 6, the first air bag 5 buffers the swinging effect of the pressing block 31, the excessive rotation of the stop wheel 2 is avoided, the braking effect of the stop wheel 2 is improved, meanwhile, the second air bag 6 is inflated in the process that the first air bag 5 is compressed, the contact area between the second air bag 6 and the ground is improved, and the sliding friction effect between the arc-shaped plate 1 and the ground is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The emergency use deceleration risk avoiding device is characterized by comprising:
the movable car comprises a movable arc-shaped plate (1), wherein the arc-shaped plate (1) is arranged at the position of a carriage bottom plate at the front upper part of a driving wheel, the bottom surface of the arc-shaped plate (1) is an arc-shaped surface (11) which is in contact with the ground and generates sliding friction, the top surface of the arc-shaped plate is a rolling surface (12) which is in contact with a wheel and generates rolling friction, and at least two stop wheels (2) are rotatably connected to the rolling surface (12).
2. The emergency use deceleration risk avoidance apparatus of claim 1 wherein: an energizing coil (3) is buried in the center of the arc plate (1), a magnet (21) is mounted on the stop wheel (2), and the energizing coil (3) generates electromagnetic force and drives the stop wheel (2) to rotate in a direction approaching to the wheel.
3. The emergency use deceleration risk avoidance apparatus of claim 2 wherein: the electromagnetic force generated by the energizing coil (3) drives the stop wheel (2) to swing in the opposite direction to the steering direction of the wheels.
4. The emergency use deceleration risk avoidance apparatus of claim 3 wherein: the side of the arc plate (1) is provided with a perforation (13) for the side of the stop wheel (2) to move.
5. The emergency use deceleration risk avoiding device according to claim 4, wherein: the surface of the arc-shaped plate (1) is provided with a gap (4) with the stop wheel (2).
6. The emergency use deceleration risk avoiding device according to any one of claims 3-5, wherein: the side of the stop wheel (2) is connected with a pressing block (31), the groove (131) is arranged on the side surface of the through hole (13), and part of the pressing block (31) enters the groove (131) and is arranged on the circumferential path of the pressing block (31) by a first air bag (5) for buffering the pressing block (31).
7. The emergency use deceleration risk avoidance apparatus of claim 6 wherein: the bottom surface of the arc plate (1) is provided with a second buffer air bag (6).
8. The emergency use deceleration risk avoidance apparatus of claim 7 wherein: the second air bag (6) is connected with the first air bag (5) through an air duct (61).
9. The emergency use deceleration risk avoidance apparatus of claim 8 wherein: the first balloon (5) is partially spherical and partially passes through the groove (131).
10. The emergency use deceleration risk avoidance apparatus of claim 8 wherein: the side surface of the perforation (13) is arc-shaped and the diameters thereof are sequentially reduced from bottom to top, and the groove (131) is arranged at the upper part of the side surface of the perforation (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310348745.6A CN116279332A (en) | 2023-04-03 | 2023-04-03 | Emergency use deceleration risk avoiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310348745.6A CN116279332A (en) | 2023-04-03 | 2023-04-03 | Emergency use deceleration risk avoiding device |
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| Publication Number | Publication Date |
|---|---|
| CN116279332A true CN116279332A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310348745.6A Pending CN116279332A (en) | 2023-04-03 | 2023-04-03 | Emergency use deceleration risk avoiding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117022197A (en) * | 2023-08-09 | 2023-11-10 | 名商科技有限公司 | Vehicle emergency automatic braking assistance device, method, vehicle and storage medium |
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2023
- 2023-04-03 CN CN202310348745.6A patent/CN116279332A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117022197A (en) * | 2023-08-09 | 2023-11-10 | 名商科技有限公司 | Vehicle emergency automatic braking assistance device, method, vehicle and storage medium |
| CN117022197B (en) * | 2023-08-09 | 2024-02-06 | 名商科技有限公司 | Vehicle emergency automatic braking assistance device, method, vehicle and storage medium |
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