CN111188291B - Floating deceleration strip - Google Patents

Floating deceleration strip Download PDF

Info

Publication number
CN111188291B
CN111188291B CN202010057029.9A CN202010057029A CN111188291B CN 111188291 B CN111188291 B CN 111188291B CN 202010057029 A CN202010057029 A CN 202010057029A CN 111188291 B CN111188291 B CN 111188291B
Authority
CN
China
Prior art keywords
groove
plate
floating
connecting rod
speed reducing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010057029.9A
Other languages
Chinese (zh)
Other versions
CN111188291A (en
Inventor
曹淯翔
王佳友
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daqing Nine Days Technology Co.,Ltd.
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010057029.9A priority Critical patent/CN111188291B/en
Publication of CN111188291A publication Critical patent/CN111188291A/en
Application granted granted Critical
Publication of CN111188291B publication Critical patent/CN111188291B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/529Road 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

Abstract

The invention discloses a floating type deceleration strip which comprises a stepped groove and an edge groove which are arranged under the ground, wherein a communicating pipe group is communicated between the stepped groove and the edge groove, a floating plate is arranged in the edge groove in a sealing and sliding manner, a plurality of connecting rods are fixedly arranged on the upper surface of the floating plate, the upper end of each connecting rod extends to the upper side of the ground and is fixedly supported with a wing plate, a rubber plate is arranged in the stepped groove in a sealing and sliding manner, a deceleration strip body is supported on the rubber plate through the connecting rods, magnetic stripes are embedded in the connecting rods, and a solenoid, a stop ring and a supporting plate are fixedly arranged in the stepped groove. The position of the speed reducing belt body can be automatically changed according to the running speed of the vehicle, the speed reducing belt body can be upwards lifted and generates a speed reducing effect on the vehicle only when the vehicle is overspeed, the vehicle which normally runs cannot be influenced, meanwhile, the device also reduces the collision frequency of the speed reducing belt body and wheels, and the service life of the speed reducing belt body is prolonged.

Description

Floating deceleration strip
Technical Field
The invention relates to the technical field of road speed limiting devices, in particular to a floating type deceleration strip.
Background
The speed bump is in a bump shape, when a vehicle passes through the speed bump at high speed, the wheels and the vehicle body vibrate violently, so that people feel bumpy, and a driver is prompted to decelerate in time.
The common deceleration strip is made of rubber or metal, so that the deceleration strip can be greatly worn after being collided with wheels for a long time, even can crack from the edge, all vehicles passing through the deceleration strip can bump, and the riding and driving experience of people can be influenced even though the vehicle bump feeling of the slow vehicle speed is small, so that the floating deceleration strip is provided.
Disclosure of Invention
The invention aims to solve the problem that jolt feeling is caused by vibration when a vehicle at any speed passes through a speed bump in the prior art, and provides a floating type speed bump.
In order to achieve the purpose, the invention adopts the following technical scheme:
a floating deceleration strip comprises a stepped groove and a side groove which are arranged below the ground, wherein a communicating pipe group is communicated between the stepped groove and the side groove, a floating plate is arranged in the side groove in a sealing and sliding manner, a plurality of connecting rods are fixedly arranged on the upper surface of the floating plate, and the upper end of each connecting rod extends to the upper part of the ground and is fixedly supported with a wing plate;
the ladder inslot seals to slide and is provided with the offset plate, there is the deceleration strip body through the connecting rod support on the offset plate, and the embedded magnetic stripe that is equipped with of connecting rod, ladder inslot fixed is provided with solenoid, hinders ring and backup pad, the solenoid is located and hinders between ring and the backup pad and coaxial with the connecting rod, the backup pad is located the below of the deceleration strip body, and the connecting rod slides the middle part that runs through the backup pad, around being equipped with warning area on the lateral wall of the deceleration strip body, and warning area is connected with the solenoid electricity.
Preferably, a dustproof sleeve is arranged between the lower surface of each wing plate and the ground, and the top end of each connecting rod is located in the corresponding dustproof sleeve.
Preferably, the lower end of the side groove is communicated with the outside through an air pipe, and the upper end of the air pipe is provided with a filter screen.
Preferably, a first bag body is placed in the side groove and located below the floating plate, a balancing box is arranged below the side groove, and a second bag body communicated with the first bag body is arranged in the balancing box.
The invention has the beneficial effects that:
1. when the vehicle hypervelocity went, the air current of automobile body both sides can drive pterygoid lamina upward movement to order about hydraulic oil from the side inslot to the ladder inslot, the hydraulic oil of ladder inslot upwards lifts the offset plate, and the offset plate can drive the speed reduction area body upward movement again, thereby makes the speed reduction area body expose ground, and the speed of a motor vehicle can produce comparatively strong vibration when the speed reduction area body, thereby makes people produce the sense of jolting, and navigating mate also can the automatic reduction speed of a motor vehicle in order to reduce and jolt.
2. The higher the vehicle running speed is, the higher the 'lifting force' borne by the upper surface of the wing plate is, the higher the upward movement speed of the wing plate is, and the speed of the speed reducing belt body exposed out of the ground is increased; meanwhile, the distance of the wing plates moving upwards is increased due to the increase of the vehicle speed, the amount of hydraulic oil flowing into the stepped groove is increased, and the height of the deceleration belt body exposed out of the ground is increased.
3. Through setting up aqueous solution, the usable aqueous solution surface tension increases the resistance that the kickboard upward movement received to the effort of kickboard lower surface to reduce the quantity of hydraulic oil relatively, practice thrift the cost.
4. When the floating plate is separated from the water solution, the resistance of the floating plate is instantly reduced, the speed of the floating plate is immediately increased, and the time for the hydraulic oil to enter the stepped groove is shortened, so that the sensitivity of the device is improved.
5. When the vehicle uses the passing lamp illumination, the illumination zone is less, only be close to the reflector layer on the deceleration strip after the deceleration strip certain limit just can have obvious reflection of light, can make the warning to navigating mate one section distance in advance through setting up the warning area.
In conclusion, the position of the speed reducing belt body can be automatically changed according to the running speed of the vehicle, the speed reducing belt body can be upwards lifted and generate the speed reducing effect on the vehicle only when the vehicle is overspeed, the normal running vehicle cannot be influenced, the number of times of collision between the speed reducing belt body and wheels is reduced, and the service life of the speed reducing belt body is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of a floating deceleration strip according to the present invention;
fig. 2 is a schematic partial structural view of a step trough in embodiment 1 of a floating deceleration strip according to the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of a floating deceleration strip according to the present invention.
In the figure: 1 pterygoid lamina, 2 dust sheaths, 3 intercommunication nest of tubes, 4 speed reduction area bodies, 5 solenoid, 6 hinder the ring, 7 offset plates, 8 ladder grooves, 9 limit grooves, 10 kickboards, 11 connecting rods, 12 trachea, 13 magnetic stripe, 14 backup pads, 15 warning area, 16 first utricules, 17 balance box, 18 second utricules.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-2, a floating deceleration strip comprises a stepped groove 8 and a side groove 9 which are arranged below the ground, wherein the stepped groove 8 is positioned below a road (corresponding to the conventional arrangement position of the deceleration strip), the side groove 9 is positioned at the edge of the road (corresponding to the position of a road isolation zone and a green belt), a communicating pipe group 3 is communicated between the stepped groove 8 and the side groove 9, a floating plate 10 is arranged in the side groove 9 in a sealing and sliding manner, a plurality of connecting rods 11 are fixedly arranged on the upper surface of the floating plate 10, the upper end of each connecting rod 11 extends to the ground and is fixedly supported by wing plates 1, and the wing plates 1 are distributed in an array and have the same arrangement direction;
a rubber plate 7 is arranged in the stepped groove 8 in a sealing and sliding manner, the speed reducing belt body 4 is supported on the rubber plate 7 through a connecting rod 11, a magnetic strip 13 is embedded in the connecting rod 11, a solenoid 5, a stop ring 6 and a supporting plate 14 are fixedly arranged in the stepped groove 8, the stop ring 6 is used for limiting the ascending position of the rubber plate 7, the supporting plate 14 is used for supporting the weight of the speed reducing belt body 4 and limiting the moving direction of the connecting rod 11, the solenoid 5 is positioned between the stop ring 6 and the supporting plate 14 and is coaxial with the connecting rod 11, the supporting plate 14 is positioned below the speed reducing belt body 4, the connecting rod 11 penetrates through the middle of the supporting plate 14 in a sliding manner, a warning belt 15 is wound on the side wall of the speed reducing belt body 4, and the warning belt 15 is electrically connected with the solenoid 5;
in the initial state, namely when no vehicle passes through or the speed of the vehicle is within the speed limit range, the top end of the speed reducing belt body 4 is flush with the road surface, and at the moment, when the vehicle passes through, the speed reducing belt body 4 only bears partial pressure without instantaneous impact force.
In this embodiment, all be equipped with dirt proof boot 2 between the lower surface of every pterygoid lamina 1 and the ground, and the top of every connecting rod 11 all is located corresponding dirt proof boot 2, and dirt proof boot 2 is the bellows for the sealing of connecting rod 11 department can avoid dust to get into in limit groove 9 from the gap department between connecting rod 11 and ground on the one hand, and on the other hand also with connecting rod 11 and external rainwater, sewage are isolated, reduces the cladding material damage and the probability of the corrosion that leads to after connecting rod 11 uses for a long time.
The lower end of the side groove 9 is communicated with the outside through an air pipe 12, the upper end of the air pipe 12 is provided with a filter screen, when the floating plate 10 moves upwards, the atmospheric pressure below the floating plate 10 is always equal to the atmospheric pressure, and therefore the influence caused by the reduction of the gas pressure in the space due to the sudden increase of the space volume is reduced.
When this embodiment uses, all be equipped with hydraulic oil in ladder groove 8 and the limit groove 9, and the hydraulic oil in ladder groove 8 is located the below of offset plate 7, the hydraulic oil in limit groove 9 is located the top of kickboard 10, hydraulic oil accessible intercommunication nest of tubes 3 flows to two regional, when the vehicle is gone along the road direction (from the left right side), can drive the air of automobile body both sides, thereby produce stronger air current, increase along with the vehicle speed of traveling, this air flow speed also can accelerate, and 1 top of pterygoid lamina is the cambered surface, the below is the plane, can know according to the bernoulli principle: when the flow is equal in height, the flow velocity is high, and the pressure is low, namely, the air pressure above the wing plate 1 is low, so that the wing plate 1 is subjected to the action of 'lift force', and moves upwards;
when the vehicle normally runs (within a speed limit range), the top end of the speed reduction belt body 4 is level with the road surface, and the rising force provided by the airflow is not enough to enable the wing plate 1 to overcome the gravity action of the connecting rod 11, the floating plate 10 and the hydraulic oil, so that the distribution of the hydraulic oil cannot be changed, the position of the rubber plate 7 cannot be changed naturally, and the vehicle cannot collide with the speed reduction belt body 4 when running;
when the vehicle runs at an overspeed, airflow on two sides of the vehicle body can also flow rapidly due to the rapid movement of the vehicle body, the pressure difference between the upper side and the lower side of the wing plate 1 is enough to enable the wing plate 1 to move upwards, along with the movement of the floating plate 10, hydraulic oil in the side groove 9 can flow into the stepped groove 8 along the communication pipe group 3, the rubber plate 7 moves upwards, the speed reduction belt body 4 is higher than the road surface, and if the vehicle decelerates in no time, a strong bumpy feeling can be generated when the vehicle passes through the speed reduction belt body 4;
as the link 11 moves upwards, the magnetic strip 13 will approach the solenoid 5, as known from faraday's law of electromagnetic induction: the change of the magnetic field can lead to the occurrence of induced current in the closed loop, so that the current can be generated in the closed loop formed by the warning belt 15 and the spiral coil 5, and the warning belt 15 can emit light, and because the deceleration belt body 4 is away from the wing plate 1 by a certain distance, a driver can immediately notice the light emitting condition of the warning belt 15 when the vehicle passes through a deceleration road section at night, so that the speed is reduced in time, and the bump is reduced;
it is worth to be noted that when the hydraulic oil flows into the stepped groove 8 from the inside of the side groove 9, the mass of the hydraulic oil in the side groove 9 is reduced, the resistance of the wing plate 1 is reduced, the rising speed is faster, that is, the speed of the deceleration strip 4 exposed out of the ground is increased, and the higher the vehicle running speed is, the larger the amount of the hydraulic oil flowing into the stepped groove 8 is, the higher the height of the deceleration strip 1 is;
in addition, the offset plate 7 can offset with hindering ring 6 in the in-process that rises, hinders ring 6 promptly and has restricted the ascending distance of offset plate 7 and the speed reduction area body 4, can avoid on the one hand connecting rod 11 to shift out outside the ladder groove 8, and on the other hand can make the height of the speed reduction area body 4 in safe altitude range, avoids the difference in height of the speed reduction area body 4 and road surface too big to lead to traffic accident's emergence.
Example 2
Referring to fig. 3, the present embodiment is different from embodiment 1 in that: a first bag body 16 is placed in the side groove 9, the first bag body 16 is positioned below the floating plate 10, a balance box 17 is arranged below the side groove 9, and a second bag body 18 communicated with the first bag body 16 is arranged in the balance box 17.
In use, the first and second bladders 16, 18 are filled with gas, and in the initial state, the second bladder 18 is in the inflated state, and the internal pressure thereof is greater than atmospheric pressure;
the side groove 9 is also filled with aqueous solution, the aqueous solution is positioned below the floating plate 10, the upper surface of the aqueous solution is just connected with the lower surface of the floating plate 10, under the action of the surface tension of the liquid, the floating plate 10 can be separated from the aqueous solution only by overcoming a larger acting force, and the rising resistance of the floating plate 10 is increased, so that the consumption of hydraulic oil can be relatively reduced, and the cost is saved;
when the vehicle is driven at overspeed, the wing plate 1 drives the floating plate 10 to move upwards, the liquid surface tension force disappears at the moment of separating the floating plate 10 from the aqueous solution, the moving speed of the floating plate 10 is accelerated instantly, so that hydraulic oil in the side groove 9 flows into the stepped groove 8 more quickly to support the rubber plate 7, the moving speed of the speed reducing belt body 4 is accelerated, the intensity of induced current in a loop is improved (the size of the induced current is related to the speed of magnetic flux change, the magnetic flux change is faster, and the intensity of the induced current is higher), and the warning belt 15 is brighter.
Because the second capsule 18 is in the inflation state, when the floating plate 10 separates from the water solution, the gas in the second capsule 18 can enter the first capsule 16 immediately, and the first capsule 16 can contact with the lower surface of the floating plate 10 after deforming, so as to provide supporting force for the floating plate 10, and avoid negative pressure generated below the floating plate 10 to influence the upward movement of the floating plate 10.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (3)

1. A floating deceleration strip comprises a stepped groove (8) and a side groove (9) which are arranged under the ground, and is characterized in that a communicating pipe group (3) is communicated between the stepped groove (8) and the side groove (9), a floating plate (10) is arranged in the side groove (9) in a sealing and sliding manner, a plurality of connecting rods (11) are fixedly arranged on the upper surface of the floating plate (10), and the upper end of each connecting rod (11) extends to the ground and is fixedly supported by a wing plate (1);
the step groove (8) is internally provided with a rubber plate (7) in a sealing and sliding manner, the rubber plate (7) is supported by a speed reducing belt body (4) through a connecting rod (11), a magnetic strip (13) is embedded in the connecting rod (11), the step groove (8) is internally provided with a solenoid (5), a blocking ring (6) and a supporting plate (14), the solenoid (5) is positioned between the blocking ring (6) and the supporting plate (14) and is coaxial with the connecting rod (11), the supporting plate (14) is positioned below the speed reducing belt body (4), the connecting rod (11) slides to penetrate through the middle part of the supporting plate (14), the side wall of the speed reducing belt body (4) is wound with a warning belt (15), the warning belt (15) is electrically connected with the solenoid (5), a first bag body (16) is arranged in the side groove (9), the first bag body (16) is positioned below the floating plate (10), a balance box (17) is arranged below the side groove (9), be equipped with second utricule (18) that are linked together with first utricule (16) in surge tank (17), still be equipped with aqueous solution in limit groove (9), and aqueous solution is located the below of kickboard (10) and the upper surface of aqueous solution just meets with the lower surface of kickboard (10), all be equipped with hydraulic oil in ladder groove (8) and limit groove (9), and the hydraulic oil in ladder groove (8) is located the below of offset plate (7), the hydraulic oil in limit groove (9) is located the top of kickboard (10), hydraulic oil accessible intercommunication nest of tubes (3) are to flowing in the region of two places.
2. A floating deceleration strip as claimed in claim 1, characterized in that a dust cover (2) is provided between the lower surface of each wing (1) and the ground, and the top end of each connecting rod (11) is located in the corresponding dust cover (2).
3. A floating type speed bump according to claim 1 characterized in that the lower end of the side trough (9) is connected with the outside through an air pipe (12), and the upper end of the air pipe (12) is provided with a filter screen.
CN202010057029.9A 2020-01-19 2020-01-19 Floating deceleration strip Active CN111188291B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010057029.9A CN111188291B (en) 2020-01-19 2020-01-19 Floating deceleration strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010057029.9A CN111188291B (en) 2020-01-19 2020-01-19 Floating deceleration strip

Publications (2)

Publication Number Publication Date
CN111188291A CN111188291A (en) 2020-05-22
CN111188291B true CN111188291B (en) 2022-05-17

Family

ID=70706439

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010057029.9A Active CN111188291B (en) 2020-01-19 2020-01-19 Floating deceleration strip

Country Status (1)

Country Link
CN (1) CN111188291B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111636321B (en) * 2020-06-08 2023-09-08 祐樘(南京)软件科技有限公司 Road surface speed reduction facility with height changing along with automobile speed
CN111749400B (en) * 2020-07-01 2021-12-07 济南联合百川投资管理有限公司 Self-shading sprinkling cooling type skylight for glass greenhouse
CN113585118B (en) * 2020-07-14 2022-11-01 自贡市公路学会咨询部 Deceleration strip for road and using method thereof
CN112211124B (en) * 2020-10-20 2022-03-22 于百林 Digital intelligent automatic deceleration strip
CN112112089A (en) * 2020-10-20 2020-12-22 德清之家纺织有限公司 Overspeed-preventing dust-absorbing deceleration strip
CN112554084B (en) * 2020-12-01 2022-01-25 永锴建设集团有限公司 Municipal administration is with deceleration strip that has warning effect
CN112647441A (en) * 2021-01-26 2021-04-13 北京罗万弘磊科技有限公司 Device for preventing vehicle from forcibly passing through high-speed toll collection channel
CN112942161B (en) * 2021-02-01 2022-03-08 温州钱城市政建设有限公司 Municipal works deceleration strip
CN114067449A (en) * 2021-11-16 2022-02-18 韩青龙 Code scanning charging system for parking lot

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104404896A (en) * 2014-12-02 2015-03-11 四川大学 Intelligent magneto-rheological deceleration strip
CN108677781A (en) * 2018-06-07 2018-10-19 中国矿业大学(北京) A kind of shockproof deceleration strip of highway
CN208362950U (en) * 2018-07-05 2019-01-11 浙江海洋大学 A kind of deceleration strip with generating function
CN110670501A (en) * 2019-10-08 2020-01-10 河南城建学院 Warning device for road traffic

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2310974A1 (en) * 2007-07-06 2009-01-16 Jose Antonio Aguilera Galeote Device reducing speed of vehicles travelling on a roadway
KR101017221B1 (en) * 2009-02-11 2011-02-28 신민호 Generator system on road
CN103061287B (en) * 2013-01-15 2015-07-08 上海工程技术大学 Magnetorheological fluid speed bump
CN109487718B (en) * 2018-12-25 2020-12-04 合肥市神雕起重机械有限公司 Speed-related deceleration strip

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104404896A (en) * 2014-12-02 2015-03-11 四川大学 Intelligent magneto-rheological deceleration strip
CN108677781A (en) * 2018-06-07 2018-10-19 中国矿业大学(北京) A kind of shockproof deceleration strip of highway
CN208362950U (en) * 2018-07-05 2019-01-11 浙江海洋大学 A kind of deceleration strip with generating function
CN110670501A (en) * 2019-10-08 2020-01-10 河南城建学院 Warning device for road traffic

Also Published As

Publication number Publication date
CN111188291A (en) 2020-05-22

Similar Documents

Publication Publication Date Title
CN111188291B (en) Floating deceleration strip
CN103061287B (en) Magnetorheological fluid speed bump
CN104404896B (en) Intelligent magneto-rheological deceleration strip
CN106740882B (en) Assembled ladder type car combined air bus system capable of falling on common road surface at will
CN107724273A (en) It is easy to the traffic light intersection Intelligent road deceleration strip to vehicle deceleration and interception
CN205399316U (en) Blowing anti -collision barrel for highway
CN106400710A (en) Intelligent deceleration strip
CN108265639A (en) A kind of inflatable rubber road deceleration strip
CN106696630A (en) Suspension system for automatically controlling automobile balance
CN106223224A (en) A kind of automatic-lifting type deceleration strip
KR102003832B1 (en) Speeding brakes on roads with buffering capability
CN108708315A (en) A kind of novel speed limit deceleration strip
CN206408547U (en) A kind of safety island for having deceleration strip and a Liftable type flexible safety fence
CN201436423U (en) Air spring for high speed train bogie
CN112227239A (en) Indicating type deceleration strip
CN112112089A (en) Overspeed-preventing dust-absorbing deceleration strip
CN105459939A (en) Vehicle tire system with buoyancy airbag
CN213805048U (en) Intelligent protective ground pile for traffic
CN210777168U (en) Novel LED light source traffic signal lamp
CN110093873B (en) Lifting speed reducing belt set
CN204228424U (en) A kind of inspection ramp of portable small-sized automobile parking braking
CN107988932A (en) A kind of deceleration strip device and control system
CN211252139U (en) Air inlet and exhaust device of altitude valve
CN210194464U (en) Heavy-duty vehicle speed reducer for super-long downhill and highway toll gate
CN106836043B (en) Dot matrix vehicle deceleration equipment applied to road or bridge

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230414

Address after: No. 6, Zone A, 3rd Floor, Commercial Service Building, No. 2 Huizhan Street, Saltu District, Daqing City, Heilongjiang Province, 163000

Patentee after: Daqing Nine Days Technology Co.,Ltd.

Address before: 450001 new campus of Zhengzhou University, No.100, science Avenue, high tech Zone, Zhengzhou City, Henan Province

Patentee before: Cao Yuxiang

TR01 Transfer of patent right