CN112411409A - Warning high-efficient electricity generation deceleration strip - Google Patents
Warning high-efficient electricity generation deceleration strip Download PDFInfo
- Publication number
- CN112411409A CN112411409A CN202011262950.3A CN202011262950A CN112411409A CN 112411409 A CN112411409 A CN 112411409A CN 202011262950 A CN202011262950 A CN 202011262950A CN 112411409 A CN112411409 A CN 112411409A
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- cavity
- shaft
- end wall
- sliding
- gear
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to the technical field of speed bump, in particular to a warning high-efficiency power generation speed bump, which comprises a machine body, wherein a lifting cavity is arranged in the machine body, the lifting cavity is upwards communicated with a sliding cavity with an upward opening, the lifting cavity is bilaterally and symmetrically communicated with a conversion cavity, a flywheel cavity is arranged in the machine body in front of the conversion cavity, an acceleration cavity is arranged in front of the flywheel cavity in the machine body, and a forward rotation gear shaft extending forwards and backwards is rotatably arranged between the conversion cavity and the flywheel cavity.
Description
Technical Field
The invention relates to the technical field of deceleration strips, in particular to a warning high-efficiency power generation deceleration strip.
Background
With the rapid development of the vehicle industry in China, vehicles and drivers grow faster. By the end of 2019, motor vehicles in China have the quantity of 3.48 hundred million, and motor vehicle drivers are nearly 4.22 hundred million. Wherein, the number of cars reaches 2.5 hundred million, the number of vehicles and traffic flow is greatly increased, so that road traffic accidents are frequent, the safety of social production and life is endangered, and great economic loss and casualties are caused. In order to prevent traffic accidents caused by too high vehicle speed, traffic management departments at home and abroad are provided with road speed reducing belts on special road sections such as large gradient, toll roads, urban intersections, dense personnel entrances and exits and the like. Researches show that if the road deceleration strip is correctly designed and reasonably arranged, 85% of vehicle speed can be reduced to 10-20 km/h, the traffic accident rate is reduced by about 60%, and casualties are reduced by 50-70%, so that a warning efficient power generation deceleration strip is required to be designed to solve the problems.
Disclosure of Invention
The invention aims to provide a warning high-efficiency power generation deceleration strip which can overcome the defects in the prior art, so that the practicability of equipment is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the warning high-efficiency power generation deceleration strip comprises a machine body, wherein a lifting cavity is arranged in the machine body, the lifting cavity is upwards communicated with a sliding cavity with an upward opening, the lifting cavity is bilaterally and symmetrically communicated with a conversion cavity, a flywheel cavity is arranged in the machine body in front of the conversion cavity, an accelerating cavity is arranged in the machine body in front of the flywheel cavity, a forward rotation gear shaft extending forwards and backwards is rotatably arranged between the conversion cavity and the flywheel cavity, a primary driving gear is fixedly arranged at the front end of the forward rotation gear shaft, a generator is fixedly arranged at the front end wall of the accelerating cavity, a generator shaft is arranged for forward power of the generator, a three-stage driven gear is fixedly arranged at the rear end of the generator shaft, the forward rotation gear shaft can accelerate and prolong the rotation time to be transmitted to the three-stage driven gear through an accelerating flywheel mechanism positioned in the flywheel cavity and the accelerating cavity, the lower end wall of the lifting cavity is fixedly provided with a locking motor, the locking motor is provided with a locking shaft in an upward power mode, a sliding rod is arranged in the lifting cavity in a vertically sliding mode, the lower end wall of the sliding rod is connected with the lower end wall of the lifting cavity through a spring, a sliding shaft cavity which is communicated up and down is arranged in the sliding rod, the locking shaft can slide freely in the sliding shaft cavity, the sliding shaft cavity is communicated with a locking pin cavity in a front-back symmetrical mode, locking pins which are matched with the locking pin cavity are fixedly arranged on the locking shaft in a left-right symmetrical mode, racks are fixedly arranged on the left-right end wall of the sliding rod in a left-right symmetrical mode, a driving gear shaft which extends back and forth is arranged between the front end wall and the rear end wall of the conversion cavity in a rotating mode, a driving gear which is meshed with the racks is fixedly arranged on the driving gear shaft, it turns into car gravity to withdraw the intracavity and is provided with the deformation mechanism that slows down slide from top to bottom of pole that slides, the fuselage internal fixation is provided with the battery, the battery with locking motor with generator power connects, the fixed back sensor that is provided with in fuselage upper end wall left side, the fuselage upper end wall is located the fixed preceding sensor that is provided with in back sensor left side, preceding sensor with back sensor with locking motor signal of telecommunication connects.
Furthermore, the accelerating flywheel mechanism comprises a primary shaft which is arranged on the rear end wall of the flywheel cavity and extends forwards in a rotating manner, a primary driven gear which is meshed with the primary driving gear is fixedly arranged on the primary shaft, a ratchet cavity with a forward opening is fixedly arranged on the front end of the primary shaft, a ratchet wheel is fixedly arranged on the end wall of the ratchet cavity, a secondary shaft which extends backwards into the ratchet cavity is rotatably arranged between the flywheel cavity and the generator, a flywheel is fixedly arranged on the secondary shaft, a pawl which is meshed with the ratchet wheel is rotatably arranged on the front end of the secondary shaft, the pawl is connected with the secondary shaft by a pawl spring, a secondary driving gear is fixedly arranged on the front end of the secondary shaft, a middle shaft which extends forwards and backwards is rotatably arranged on the left side of the secondary shaft between the front end wall and the rear end wall of the accelerating cavity, and a secondary driven gear which is meshed with the secondary driving, and a third driving gear meshed with the third driven gear is fixedly arranged on the middle shaft and positioned on the front side of the second driven gear.
Further, the conversion mechanism comprises a sliding cavity communicated with the rear end wall of the conversion cavity, a sliding gear shaft is arranged in the sliding cavity in a free sliding mode, a sliding gear meshed with the driving gear is rotatably arranged at the front end of the sliding gear shaft, a counter gear shaft extending forwards and backwards is rotatably arranged between the front end wall and the rear end wall of the conversion cavity, a counter gear meshed with the sliding gear is fixedly arranged on the counter gear shaft, a forward gear meshed with the counter gear is fixedly arranged in the conversion cavity, and the forward gear can be meshed with the sliding gear.
Furthermore, the speed reduction deformation mechanism comprises a horizontal plate which is fixedly arranged at the upper end of the sliding rod and extends leftwards and rightwards, a speed reduction plate is arranged on the left end wall and the right end wall of the horizontal plate in a rotating mode in a bilateral symmetry mode, a speed reduction sliding pin which extends forwards and backwards is fixedly arranged at the position, far away from the symmetry center, of the speed reduction plate, a speed reduction sliding chute which extends leftwards and rightwards is communicated with the cavity rear end wall in a symmetrical mode, the speed reduction sliding pin can slide freely in the speed reduction sliding chute, a pressing plate shaft is arranged at the position, far away from the cavity front end wall and back end wall in a rotating mode, a pressing plate which extends in a symmetrical center and abuts against the speed reduction plate is fixedly arranged on the pressing plate shaft, an indicator lamp is fixedly arranged at the position, far away from the.
The invention has the beneficial effects that: according to the warning efficient power generation deceleration strip, the flywheel device is used, energy brought by each vehicle when the vehicle passes can be stored, electric quantity is generated continuously after the vehicle passes, and the device can improve the driving safety of the vehicle and improve the driving feeling of a driver.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of a warning efficient power generation deceleration strip.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
FIG. 3 is a schematic diagram of B-B in FIG. 1.
Fig. 4 is a schematic diagram of the structure C-C in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-4, the warning high-efficiency power generation deceleration strip includes a machine body 10, a lifting cavity 12 is provided in the machine body 10, the lifting cavity 12 is communicated upwards to provide a sliding cavity 27 with an upward opening, the lifting cavity 12 is communicated bilaterally and symmetrically to provide a conversion cavity 23, a flywheel cavity 42 is provided in the machine body 10 in front of the conversion cavity 23, an accelerating cavity 62 is provided in front of the flywheel cavity 42 in the machine body 10, a forward rotation gear shaft 21 extending forwards and backwards is rotatably provided between the conversion cavity 23 and the flywheel cavity 42, a first-stage driving gear 40 is fixedly provided at the front end of the forward rotation gear shaft 21, a generator 46 is fixedly provided at the front end wall of the accelerating cavity 62, a generator shaft 47 is provided with forward power, a third-stage driven gear 48 is fixedly provided at the rear end of the generator shaft 47, the forward rotation gear shaft 21 is rotated to be capable of increasing the transmission through an accelerating flywheel mechanism 100 located in the flywheel cavity 42 and the gear is driven to the third-stage driven gear 48 by increasing the speed and prolonging the rotation time, a locking motor 13 is fixedly arranged on the lower end wall of the lifting cavity 12, a locking shaft 14 is arranged on the locking motor 13 in an upward power mode, a sliding rod 30 is arranged in the lifting cavity 12 in an up-and-down sliding mode, the lower end wall of the sliding rod 30 is connected with the lower end wall of the lifting cavity 12 by a spring 63, a sliding shaft cavity 31 which is communicated up and down is arranged in the sliding rod 30, the locking shaft 14 can freely slide in the sliding shaft cavity 31, locking pin cavities 54 are symmetrically communicated with the sliding shaft cavity 31 in a front-and-back mode, locking pins 15 which are matched with the locking pin cavities 54 are fixedly arranged on the locking shaft 14 in a left-and-right symmetrical mode, racks 29 are fixedly arranged on the left end wall and the right end wall of the sliding rod 30 in a left-and-right symmetrical mode, driving gear shafts 17 which extend in the front, the driving gear 16 rotates and can be converted into forward rotation output of the forward rotation gear shaft 21 through forward and reverse rotation of the driving gear 16 through a conversion mechanism 200 located in the conversion cavity 23, a deceleration deformation mechanism 300 is arranged in the retraction cavity 28 and converts the gravity of the automobile into vertical sliding of the sliding rod 30, a storage battery 11 is fixedly arranged in the machine body 10, the storage battery 11 is electrically connected with the locking motor 13 and the generator 46, a rear sensor 24 is fixedly arranged on the left side of the upper end wall of the machine body 10, a front sensor 61 is fixedly arranged on the left side of the rear sensor 24 on the upper end wall of the machine body 10, and the front sensor 61 and the rear sensor 24 are electrically connected with the locking motor 13.
Advantageously, the flywheel accelerating mechanism 100 comprises a primary shaft 51 which is provided with a forward extending end wall and rotates at the rear end wall of the flywheel cavity 42, a primary driven gear 52 which is engaged with the primary driving gear 40 is fixedly arranged on the primary shaft 51, a ratchet cavity 57 with a forward opening is fixedly arranged at the front end of the primary shaft 51, a ratchet wheel 56 is fixedly arranged at the end wall of the ratchet cavity 57, a secondary shaft 50 which extends backwards into the ratchet cavity 57 is rotatably arranged between the flywheel cavity 42 and the generator 46, a flywheel 41 is fixedly arranged on the secondary shaft 50, a pawl 60 which is engaged with the ratchet wheel 56 is rotatably arranged at the front end of the secondary shaft 50, the pawl 60 is connected with the secondary shaft 50 by a pawl spring 59, a secondary driving gear 49 is fixedly arranged at the front end wall of the secondary shaft 50, a middle shaft 43 which extends forwards and backwards is rotatably arranged at the left side of the secondary shaft 50 between the front end wall and the rear end wall of, a secondary driven gear 44 engaged with the secondary driving gear 49 is fixedly arranged on the intermediate shaft 43, and a tertiary driving gear 45 engaged with the tertiary driven gear 48 is fixedly arranged on the intermediate shaft 43 and positioned in front of the secondary driven gear 44.
Advantageously, the conversion mechanism 200 includes a sliding cavity 27 disposed through the rear end wall of the conversion cavity 23, a sliding gear shaft 20 is disposed in the sliding cavity 27 in a freely sliding manner, a sliding gear 18 engaged with the driving gear 16 is rotatably disposed at the front end of the sliding gear shaft 20, a counter gear shaft 26 extending forward and backward is rotatably disposed between the front end wall and the rear end wall of the conversion cavity 23, a counter gear 25 engageable with the sliding gear 18 is fixedly disposed on the counter gear shaft 26, a forward rotation gear 22 engaged with the counter gear 25 is fixedly disposed in the conversion cavity 23, and the forward rotation gear 22 is engageable with the sliding gear 18.
Advantageously, the decelerating and deforming mechanism 300 comprises a horizontal plate 32 extending left and right and fixedly arranged at the upper end of the sliding rod 30, the left and right end walls of the horizontal plate 32 are symmetrically provided with a speed reducing plate 34, the speed reducing plate 34 is fixedly provided with a speed reducing sliding pin 36 extending forwards and backwards away from the symmetrical center end, the rear end wall of the retraction cavity 28 is communicated with a left-right symmetrical deceleration chute 39 extending left and right, the deceleration slide pin 36 is freely slidable in the deceleration slide groove 39, the front and rear end walls of the retraction chamber 28 are rotatably provided with platen shafts 38, a pressing plate 37 extending symmetrically and in contact with the speed reduction plate 34 is fixed on the pressing plate shaft 38, an indicator light 35 is fixedly arranged on the pressure plate 37 far from the symmetrical center, the indicator light 35 is electrically connected with the rear sensor 24 and the front sensor 61 through electric signals, and the indicator light 35 is electrically connected with the storage battery 11 through electric power.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
Sequence of mechanical actions of the whole device:
the working process when the automobile runs over speed: when the automobile runs over the front sensor 61 and the rear sensor 24, the automobile is judged to be over-speed according to the front-back time difference, the indicator light 35 is changed from a yellow light to a red light, the driver is lifted to be over-speed, the locking motor 13 is started to drive the locking shaft 14 to rotate, the locking pin 15 is driven to rotate for half a circle to be disengaged from the locking pin cavity 54, the sliding rod 30 is abutted by the locking pin 15, the device does not function as a speed reducing belt when the automobile runs over, and the locking motor 13 rotates to drive the locking pin 15 to reset the indicator light 35 to be a yellow light after the automobile runs over.
When the automobile is limited in speed, the working process is as follows: the indicator light 35 is changed from the original yellow light to the green light, the automobile normally runs through the equipment and presses the press plate 37 and the speed reduction plate 34 to drive the sliding rod 30 to slide downwards, thereby driving the driving gear 16 to rotate forwards, thereby driving the sliding gear 18 to slide upwards to be engaged with the reverse gear 25 and driving the reverse gear 25 to rotate, thereby driving the forward gear 22 to rotate forwards, thereby driving the first driving gear 40 to rotate, thereby driving the first driven gear 52 to rotate, thereby driving the flywheel 41 to rotate and store energy and continuously rotate, thereby driving the second driving gear 49 to rotate, thereby driving the second driven gear 44 to rotate, thereby driving the third driving gear 45 to rotate, thereby driving the third driven gear 48 to rotate, thereby driving the generator shaft 47 to rotate to generate electricity and store the electricity in the storage battery 11, after the automobile passes through, the sliding rod 30 is reset under the action of the spring 63 to drive the driving gear 16 to rotate reversely, so that the sliding gear 18 is driven to move downwards to be meshed with the forward rotation gear 22 and drive the forward rotation gear 22 to rotate forward, the flywheel 41 is driven to rotate, store energy and rotate continuously, the generator shaft 47 is driven to rotate to generate electricity and store the electricity in the storage battery 11, and after the automobile passes through, the indicator light 35 is changed into a yellow light device to reset, so that the deceleration strip electricity generation process can be completed.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a warning high efficiency electricity generation deceleration strip, includes the fuselage, its characterized in that: the device comprises a machine body, wherein a lifting cavity is arranged in the machine body, the lifting cavity is upwards communicated and provided with a sliding cavity with an upward opening, the lifting cavity is bilaterally communicated and provided with a conversion cavity, a flywheel cavity is arranged in the machine body in front of the conversion cavity, an accelerating cavity is arranged in the machine body in front of the flywheel cavity, a forward rotation gear shaft extending forwards and backwards is rotatably arranged between the conversion cavity and the flywheel cavity, a primary driving gear is fixedly arranged at the front end of the forward rotation gear shaft, a generator is fixedly arranged at the front end wall of the accelerating cavity, a generator shaft is arranged for forward power of the generator, a tertiary driven gear is fixedly arranged at the rear end of the generator shaft, the forward rotation gear shaft rotates and can accelerate and prolong the rotation time to drive the tertiary driven gear through an accelerating flywheel mechanism arranged in the flywheel cavity and the accelerating, the lower end wall of the lifting cavity is fixedly provided with a locking motor, the locking motor is provided with a locking shaft in an upward power mode, a sliding rod is arranged in the lifting cavity in a vertically sliding mode, the lower end wall of the sliding rod is connected with the lower end wall of the lifting cavity through a spring, a sliding shaft cavity which is communicated up and down is arranged in the sliding rod, the locking shaft can slide freely in the sliding shaft cavity, the sliding shaft cavity is communicated with a locking pin cavity in a front-back symmetrical mode, locking pins which are matched with the locking pin cavity are fixedly arranged on the locking shaft in a left-right symmetrical mode, racks are fixedly arranged on the left-right end wall of the sliding rod in a left-right symmetrical mode, a driving gear shaft which extends back and forth is arranged between the front end wall and the rear end wall of the conversion cavity in a rotating mode, a driving gear which is meshed with the racks is fixedly arranged on the driving gear shaft, it turns into car gravity to withdraw the intracavity and is provided with the deformation mechanism that slows down slide from top to bottom of pole that slides, the fuselage internal fixation is provided with the battery, the battery with locking motor with generator power connects, the fixed back sensor that is provided with in fuselage upper end wall left side, the fuselage upper end wall is located the fixed preceding sensor that is provided with in back sensor left side, preceding sensor with back sensor with locking motor signal of telecommunication connects.
2. The warning high-efficiency power generation deceleration strip as claimed in claim 1, wherein: the accelerating flywheel mechanism comprises a primary shaft which is arranged on the rear end wall of a flywheel cavity in a rotating manner and extends forwards, a primary driven gear which is meshed with the primary driving gear is fixedly arranged on the primary shaft, a ratchet cavity with a forward opening is fixedly arranged on the front end of the primary shaft, a ratchet wheel is fixedly arranged on the end wall of the ratchet cavity, a secondary shaft which extends backwards into the ratchet cavity is rotatably arranged between the flywheel cavity and the generator, a flywheel is fixedly arranged on the secondary shaft, a pawl which is meshed with the ratchet wheel is rotatably arranged on the front end of the secondary shaft, the pawl is connected with the secondary shaft by a pawl spring, a secondary driving gear is fixedly arranged on the front end of the secondary shaft, an intermediate shaft which extends forwards and backwards is positioned between the front end wall and the rear end wall of the accelerating cavity and positioned on the left side of the secondary shaft in a rotating manner, and a secondary driven gear, and a third driving gear meshed with the third driven gear is fixedly arranged on the middle shaft and positioned on the front side of the second driven gear.
3. The warning high-efficiency power generation deceleration strip as claimed in claim 1, wherein: the conversion mechanism comprises a sliding cavity communicated with the rear end wall of the conversion cavity, a sliding gear shaft is arranged in the sliding cavity in a free sliding mode, a sliding gear meshed with the driving gear is rotatably arranged at the front end of the sliding gear shaft, a reverse gear shaft extending front and back is rotatably arranged between the front end wall and the rear end wall of the conversion cavity, a reverse gear capable of being meshed with the sliding gear is fixedly arranged on the reverse gear shaft, a forward gear meshed with the reverse gear is fixedly arranged in the conversion cavity, and the forward gear can be meshed with the sliding gear.
4. The warning high-efficiency power generation deceleration strip as claimed in claim 1, wherein: the speed reduction deformation mechanism comprises a horizontal plate extending leftwards and rightwards, wherein the upper end of the sliding rod is fixedly arranged, the horizontal plate is provided with a speed reduction plate in a rotating mode, the speed reduction plate is far away from a speed reduction sliding pin extending forwards and backwards, which is fixedly arranged at the symmetrical center end, the speed reduction sliding groove extending leftwards and rightwards is arranged at the bilateral symmetry switch-on of the rear end wall of the withdrawing cavity, the speed reduction sliding pin can freely slide in the speed reduction sliding groove, the front end wall of the withdrawing cavity and the rear end wall of the withdrawing cavity are rotatably provided with a pressing plate shaft, the pressing plate shaft is fixedly provided with a symmetrical center extending part and a pressing plate abutted against the speed reduction plate, an indicator lamp is fixedly arranged at the symmetrical center end of the pressing plate, the indicator lamp is connected with a rear sensor and a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262950.3A CN112411409A (en) | 2020-11-12 | 2020-11-12 | Warning high-efficient electricity generation deceleration strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262950.3A CN112411409A (en) | 2020-11-12 | 2020-11-12 | Warning high-efficient electricity generation deceleration strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112411409A true CN112411409A (en) | 2021-02-26 |
Family
ID=74831922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011262950.3A Withdrawn CN112411409A (en) | 2020-11-12 | 2020-11-12 | Warning high-efficient electricity generation deceleration strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112411409A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982208A (en) * | 2021-03-23 | 2021-06-18 | 深圳市玲海新贸易有限公司 | Speed reduction equipment capable of automatically lifting according to height of automobile chassis |
| US11879220B1 (en) * | 2023-09-26 | 2024-01-23 | Prince Mohammad Bin Fahd University | Regenerative speed bump |
-
2020
- 2020-11-12 CN CN202011262950.3A patent/CN112411409A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982208A (en) * | 2021-03-23 | 2021-06-18 | 深圳市玲海新贸易有限公司 | Speed reduction equipment capable of automatically lifting according to height of automobile chassis |
| US11879220B1 (en) * | 2023-09-26 | 2024-01-23 | Prince Mohammad Bin Fahd University | Regenerative speed bump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210226 |
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| WW01 | Invention patent application withdrawn after publication |