CN111424574B - Road surface child road protection deceleration strip - Google Patents
Road surface child road protection deceleration strip Download PDFInfo
- Publication number
- CN111424574B CN111424574B CN202010399263.XA CN202010399263A CN111424574B CN 111424574 B CN111424574 B CN 111424574B CN 202010399263 A CN202010399263 A CN 202010399263A CN 111424574 B CN111424574 B CN 111424574B
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- Prior art keywords
- groove
- rod
- road
- connecting rod
- fixedly arranged
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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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- 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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Road Paving Structures (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a road surface child road protection deceleration strip, which comprises a machine body, wherein a control cavity is arranged in the machine body, a control mechanism is arranged in the control cavity, arc-shaped sliding grooves are symmetrically formed in the left end wall and the right end wall of the control cavity, arc-shaped sliding blocks are slidably arranged in the arc-shaped sliding grooves, a first connecting rod is fixedly arranged on the front end surface of each arc-shaped sliding block, a swinging rod is hinged to each first connecting rod, and a first through hole is formed in the left side of each swinging rod.
Description
Technical Field
The invention relates to the field of deceleration strips, in particular to a road surface child road protection deceleration strip.
Background
As is well known, a speed bump is a traffic facility installed on a highway to decelerate passing vehicles, and is generally set on highway crossings, industrial and mining enterprises, schools, residential community population and other road sections requiring vehicle deceleration and slow traveling and road sections easily causing traffic accidents, and is a novel special traffic safety setting for reducing the traveling speed of motor vehicles and non-motor vehicles, and particularly more speed bumps are set at school gates of kindergartens and primary schools, but when an out-of-control vehicle occurs, the safety of children cannot be guaranteed by the general speed bump, so that the problem needs to be solved by designing a road surface protection deceleration belt for children.
Disclosure of Invention
The invention aims to provide a road surface child road protection deceleration strip which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
A road surface child road protection deceleration strip comprises a machine body, wherein a control cavity is arranged in the machine body; the control cavity is internally provided with a control mechanism, arc-shaped chutes are symmetrically arranged on the left and right sides of the rear end wall in the control cavity, arc-shaped sliding blocks are arranged in the arc-shaped chutes in a sliding manner, first connecting rods are fixedly arranged on the front end surfaces of the arc-shaped sliding blocks, swing rods are hinged to the first connecting rods, first through holes are formed in the left sides of the swing rods, mounting grooves are symmetrically arranged in the left and right sides of the top end wall of the machine body, fixing rods are fixedly arranged in the mounting grooves, bearing plates are hinged to the fixing rods, moving chutes are slidably arranged on the bottom end surfaces of the bearing plates, moving sliding blocks are slidably arranged in the moving chutes, open grooves are formed in the moving sliding blocks, first rotating shafts are rotationally arranged in the open grooves, second connecting rods are fixedly arranged on the first rotating shafts, first push rods are fixedly arranged on the bottom, the right side is equipped with the second through-hole in the swinging arms, the inboard bilateral symmetry of mounting groove slides and is equipped with and blocks the piece, block the piece and extend to in the control chamber, block the fixed third connecting rod that is equipped with of piece bottom face, the fixed second catch bar that is equipped with of third connecting rod rear end face, the second catch bar stretches into in the second through-hole.
Further, the fixed power motor that is equipped with of control intracavity bottom face, the power motor up end rotates and is equipped with the second pivot, be equipped with the external screw thread in the second pivot, bilateral symmetry lie in on the head rod the swinging arms rear side articulates and is equipped with the lifter, it is equipped with the power pole to slide in the lifter, be equipped with the cluster and lead to the groove in the power pole, the cluster is led to the inslot and is equipped with the internal thread, the second pivot is passed cluster is led to the groove, the internal thread with external thread engagement makes the power pole reciprocates.
Furthermore, a contact passageway is fixedly arranged between the blocking blocks, children crossing the road walk on the contact passageway, warning grooves are arranged between the mounting grooves which are bilaterally symmetrical and the blocking blocks which are bilaterally symmetrical, position blocks are symmetrically arranged on the left and right end surfaces of the top end in the warning grooves, fourth connecting rods are fixedly arranged in the position blocks, shrinkage blocks are arranged on the inner sides of the position blocks, connecting grooves are symmetrically arranged on the left and right sides in the shrinkage blocks, fifth connecting rods are fixedly arranged on the connecting grooves on the outer sides, first supporting plates are hinged between the fifth connecting rods and the fourth connecting rods, limiting sliding grooves are arranged at the top ends of the warning grooves, limiting sliding blocks are symmetrically arranged in the limiting sliding grooves in a sliding mode, inner side grooves are arranged at the outer ends of the limiting sliding blocks, sixth connecting rods are fixedly arranged in the inner side grooves, and seventh connecting rods are fixedly arranged on the connecting grooves on the, and a second supporting plate is hinged between the seventh connecting rod and the sixth connecting rod.
Further, the spacing slider bottom face has set firmly the pulling rod, be equipped with the connecting wire groove in the pulling rod, the connecting wire inslot internal fixation is equipped with the fifth wheel, the fixed extension rod that is equipped with on the end wall about the warning groove, the end face rotates and is equipped with the third pivot before the extension rod, the fixed switching-over wheel that is equipped with in the third pivot, warning groove downside evenly distributed rotates and is equipped with four fourth pivots, the fixed removal gear that is equipped with in the fourth pivot, two from top to bottom be equipped with the removal chain between the removal gear, the outer terminal surface of removal chain is fixed and is equipped with the solidus pole, the solidus pole with it is equipped with the connection thick line to connect between the fifth wheel, the connection thick line is walked around the switching-over wheel, the outer terminal surface of pulling rod with it is equipped with the promotion spring.
Furthermore, the left and right of the movable chains are fixedly provided with lifting plates, the lifting plates are internally fixedly provided with seventh connecting rods fixedly connected with the power rods, the top end faces of the lifting plates are fixedly provided with transition rods, and the transition rods are provided with warning lamps.
The invention has the beneficial effects that: the device provided by the invention has a simple structure, is simple and convenient to operate, can form a safe channel when a child passes through a road, so that the child cannot have an accident when passing through the road, the device runs quickly, meanwhile, the device has better safety guarantee for the child, can better intercept an out-of-control vehicle, and has higher integration degree.
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.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-2, for convenience of description, the orientations described hereinafter being 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.
The road surface child road protection deceleration strip shown in the attached drawings 1-2 comprises a machine body 10, a control cavity 20 is arranged in the machine body 10, a control mechanism 90 is contained in the control cavity 20, arc-shaped sliding grooves 29 are symmetrically arranged on the left and right sides of the inner rear end wall of the control cavity 20, arc-shaped sliding blocks 28 are slidably arranged in the arc-shaped sliding grooves 29, a first connecting rod 27 is fixedly arranged on the front end surface of each arc-shaped sliding block 28, a swinging rod 26 is hinged to each first connecting rod 27, a first through hole 23 is formed in the left side of the inner swinging rod 26, mounting grooves 17 are symmetrically arranged on the left and right sides of the inner top end wall of the machine body 10, fixing rods 16 are fixedly arranged in the mounting grooves 17, a bearing plate 15 is hinged to each fixing rod 16, a moving sliding groove 14 is slidably arranged on the bottom end surface of the bearing plate 15, 11 internal rotations of open slot are equipped with first pivot 12, the fixed second connecting rod 21 that is equipped with in first pivot 12, second connecting rod 21 rear end face bottom mounting is equipped with first catch bar 22, first catch bar 22 stretches into in the first through-hole 23, the right side is equipped with second through-hole 30 in the swinging arms 26, the inboard bilateral symmetry of mounting groove 17 slides and is equipped with stop block 18, stop block 18 and extend to in the control chamber 20, stop block 18 bottom end face mounting and be equipped with third connecting rod 32, the fixed second catch bar 31 that is equipped with of third connecting rod 32 rear end face, second catch bar 31 stretches into in the second through-hole 30.
Fixed power motor 37 that is equipped with of bottom end face in control chamber 20, power motor 37 up end rotates and is equipped with second pivot 36, be equipped with external screw thread 35 on second pivot 36, bilateral symmetry lie in on the head rod 27 the articulated lifter 25 that is equipped with in swinging arms 26 rear side, it is equipped with power rod 24 to slide in the lifter 25, be equipped with cluster groove 33 in the power rod 24, be equipped with internal thread 34 in the cluster groove 33, second pivot 36 passes cluster groove 33, internal thread 34 with the meshing of external screw thread 35 makes power rod 24 reciprocates.
A contact passageway 19 is fixedly arranged between the blocking blocks 18, children crossing a road walk on the contact passageway 19, warning grooves 66 are arranged between the mounting grooves 17 which are bilaterally symmetrical and the blocking blocks 18 which are bilaterally symmetrical, position blocks 38 are arranged on the left and right end faces of the inner top end of each warning groove 66 in a bilaterally symmetrical manner, fourth connecting rods 39 are fixedly arranged in the position blocks 38, contraction blocks 42 are arranged on the inner sides of the position blocks 38, connecting grooves 43 are arranged in the contraction blocks 42 in a bilaterally symmetrical manner, fifth connecting rods 41 are fixedly arranged on the connecting grooves 43 which are positioned on the outer sides, first supporting plates 40 are hinged between the fifth connecting rods 41 and the fourth connecting rods 39, a limiting sliding groove 67 is arranged at the top end of each warning groove 66, limiting sliding blocks 48 are arranged in the limiting sliding groove 67 in a bilaterally symmetrical manner, an inner side groove 47 is arranged at the outer end of each limiting sliding block 48, and, a seventh connecting rod 44 is fixedly arranged on the connecting groove 43 at the inner side, and a second supporting plate 45 is hinged between the seventh connecting rod 44 and the sixth connecting rod 46.
A pulling rod 49 is fixedly arranged on the bottom end surface of the limiting slide block 48, a connecting line groove 63 is arranged in the pulling rod 49, a connecting wheel 64 is fixedly arranged in the connecting line groove 63, inner connecting rods 52 are fixedly arranged on the left end wall and the right end wall of the warning groove 66, a third rotating shaft 54 is rotatably arranged on the front end surface of the inner connecting rod 52, a reversing wheel 53 is fixedly arranged on the third rotating shaft 54, four fourth rotating shafts 61 are uniformly distributed and rotatably arranged at the lower side of the warning groove 66, moving gears 62 are fixedly arranged on the fourth rotating shafts 61, a moving chain 56 is arranged between the upper moving gear 62 and the lower moving gear 62, a wire fixing rod 55 is fixedly arranged on the outer end surface of the movable chain 56, a connecting thick wire 51 is connected between the wire fixing rod 55 and the connecting wheel 64, the thick connecting line 51 bypasses the reversing wheel 53, and a pushing spring 50 is connected between the outer end face of the pulling rod 49 and the left and right end faces of the warning groove 66.
The left and right symmetrical movable chains 56 are fixedly provided with a lifting plate 60, the lifting plate 60 is internally and fixedly provided with a seventh connecting rod 59 fixedly connected with the power rod 24, the top end face of the lifting plate 60 is fixedly provided with a transition rod 58, and the transition rod 58 is provided with a warning lamp 57.
The working state is as follows: when a child passes through the road via the contact aisle 19, the power motor 37 is turned on to drive the second rotating shaft 36 to rotate, the second rotating shaft 36 rotates to drive the power rod 24 to slide upwards through the matching of the external threads 35 and the internal threads 34, the power rod 24 slides upwards to cause the arc-shaped sliding block 28 to slide upwards in the arc-shaped sliding groove 29 through the lifting rod 25, the arc-shaped sliding block 28 slides upwards to drive the swinging rod 26 to rotate, the swinging rod 26 rotates to cause the second connecting rod 21 to ascend through the first pushing rod 22, the second connecting rod 21 ascends to cause the moving sliding block 13 to slide inwards in the moving sliding groove 14, the moving sliding groove 14 slides inwards, and the second connecting rod 21 ascends to cause the bearing plate 15 to rotate around the fixing rod 16; the power rod 24 ascends to drive the ascending plate 60 to ascend through the seventh connecting rod 59, the ascending plate 60 ascends to drive the movable chain 56 to rotate, the movable chain 56 rotates to enable the wire fixing rod 55 to slide downwards, the wire fixing rod 55 drives the connecting thick wire 51 to move downwards, the connecting thick wire 51 moves to pull the connecting wheel 64 to move outwards through the reversing wheel 53, the connecting wheel 64 moves outwards to drive the limiting slide block 48 to slide outwards in the limiting slide groove 67 through the pulling rod 49, when the limiting slide groove 67 slides outwards, the contraction block 42 moves downwards to enable the first supporting plate 40 and the second supporting plate 45 to be parallel in the vertical direction, at the moment, the ascending plate 60 ascends to drive the warning lamp 57 to ascend, and the warning lamp 57 stretches out of the warning groove 66 to warn a driver; when a vehicle runs in an uncontrolled manner when the warning light 57 extends out and still runs towards the contact aisle 19, the vehicle presses the bearing plate 15 due to the weight of the vehicle, the bearing plate 15 is pressed to enable the second connecting rod 21 to slide downwards, the second connecting rod 21 slides downwards to drive the outer side of the swing rod 26 to rotate downwards, the outer side of the swing rod 26 rotates downwards to enable the inner side of the swing rod 26 to rotate upwards through the first connecting rod 27, at the moment, the swing rod 26 enables the blocking block 18 to slide upwards through the second pushing rod 31, and the blocking block 18 slides upwards to block the vehicle.
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 (5)
1. The utility model provides a road surface children road protection deceleration strip, includes the organism, its characterized in that: a control cavity is arranged in the machine body;
the control cavity is internally provided with a control mechanism, arc-shaped chutes are symmetrically arranged on the left and right sides of the rear end wall in the control cavity, arc-shaped sliding blocks are arranged in the arc-shaped chutes in a sliding manner, first connecting rods are fixedly arranged on the front end surfaces of the arc-shaped sliding blocks, swing rods are hinged to the first connecting rods, first through holes are formed in the left sides of the swing rods, mounting grooves are symmetrically arranged in the left and right sides of the top end wall of the machine body, fixing rods are fixedly arranged in the mounting grooves, bearing plates are hinged to the fixing rods, moving chutes are slidably arranged on the bottom end surfaces of the bearing plates, moving sliding blocks are slidably arranged in the moving chutes, open grooves are formed in the moving sliding blocks, first rotating shafts are rotationally arranged in the open grooves, second connecting rods are fixedly arranged on the first rotating shafts, first push rods are fixedly arranged on the bottom, the right side is equipped with the second through-hole in the swinging arms, the inboard bilateral symmetry of mounting groove slides and is equipped with and blocks the piece, block the piece and extend to in the control chamber, block the fixed third connecting rod that is equipped with of piece bottom face, the fixed second catch bar that is equipped with of third connecting rod rear end face, the second catch bar stretches into in the second through-hole.
2. The road surface children's road protection deceleration strip of claim 1, characterized in that: the fixed power motor that is equipped with of bottom face in the control chamber, power motor up end rotates and is equipped with the second pivot, be equipped with the external screw thread in the second pivot, bilateral symmetry lie in on the head rod the articulated lifter that is equipped with in swinging arms rear side, it is equipped with the power pole to slide in the lifter, be equipped with the cluster in the power pole and lead to the groove, the cluster is led to the inslot and is equipped with the internal thread, the second pivot is passed the cluster is led to the groove, the internal thread with external screw thread meshing makes the power pole reciprocates.
3. The road surface children's road protection deceleration strip of claim 2, characterized in that: a contact passageway is fixedly arranged between the blocking blocks, children crossing the road walk on the contact passageway, warning grooves are arranged between the mounting grooves which are bilaterally symmetrical and the blocking blocks which are bilaterally symmetrical, position blocks are symmetrically arranged on the left and right end surfaces of the inner top end of each warning groove, a fourth connecting rod is fixedly arranged in each position block, a contraction block is arranged on the inner side of each position block, connecting grooves are symmetrically arranged in each contraction block, a fifth connecting rod is fixedly arranged on the connecting grooves on the outer side, a first supporting plate is hinged between the fifth connecting rods and the fourth connecting rods, a limiting sliding groove is arranged at the top end of each warning groove, limiting sliding blocks are symmetrically arranged in each limiting sliding groove in a sliding mode, an inner side groove is arranged at the outer end of each limiting sliding block, a sixth connecting rod is fixedly arranged in each inner side groove, and a, and a second supporting plate is hinged between the seventh connecting rod and the sixth connecting rod.
4. The road surface children's road protection deceleration strip of claim 3, characterized in that: spacing slider bottom face has set firmly the pulling rod, be equipped with the connecting wire groove in the pulling rod, the connecting wire inslot internal fixation is equipped with the fifth wheel, the fixed extension rod that is equipped with on the end wall about the warning groove, the terminal surface rotates and is equipped with the third pivot before the extension rod, the fixed switching-over wheel that is equipped with in the third pivot, warning groove downside evenly distributed rotates and is equipped with four fourth pivots, the fixed mobile gear that is equipped with in the fourth pivot, upper and lower two be equipped with the removal chain between the mobile gear, the fixed solidus pole that is equipped with of outer terminal surface of removal chain, solidus pole with it is equipped with the connection thick line to connect between the fifth wheel, connect the thick line and walk around the switching-over wheel, the pulling rod outer terminal surface with it is equipped with the promotion spring to connect between the.
5. The road surface children's road protection deceleration strip of claim 4, characterized in that: bilateral symmetry remove between the chain fixed be equipped with the riser, riser internal fixation be equipped with power rod fixed connection's seventh connecting rod, riser top end face is fixed and is equipped with the transition pole, be equipped with the warning light on the transition pole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010399263.XA CN111424574B (en) | 2020-05-12 | 2020-05-12 | Road surface child road protection deceleration strip |
| JP2020133443A JP2021179163A (en) | 2020-05-12 | 2020-08-06 | Road speed bump for protecting children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010399263.XA CN111424574B (en) | 2020-05-12 | 2020-05-12 | Road surface child road protection deceleration strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111424574A CN111424574A (en) | 2020-07-17 |
| CN111424574B true CN111424574B (en) | 2021-02-26 |
Family
ID=71552696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010399263.XA Active CN111424574B (en) | 2020-05-12 | 2020-05-12 | Road surface child road protection deceleration strip |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2021179163A (en) |
| CN (1) | CN111424574B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032809A (en) * | 2021-10-30 | 2022-02-11 | 上海敏泰交通设施工程有限公司 | Device for pedestrian crossing road obstacle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104195973A (en) * | 2014-08-22 | 2014-12-10 | 袁湘华 | Urban road separation system |
| CN108755517A (en) * | 2018-05-25 | 2018-11-06 | 深圳市雷凌广通技术研发有限公司 | A kind of tide track of good warning effect |
| KR20190057595A (en) * | 2017-11-20 | 2019-05-29 | 유니콘스(주) | Smart bump |
| CN109826128A (en) * | 2019-03-19 | 2019-05-31 | 郑州铁路职业技术学院 | A kind of preferable railway mouth guardrail of safety |
| CN110273389A (en) * | 2019-04-16 | 2019-09-24 | 四川大学 | A kind of mechanical deceleration strip capable of being lifted |
| CN209941542U (en) * | 2018-12-13 | 2020-01-14 | 深圳市中恒嘉信息工程有限公司 | Novel lift bumping post convenient to installation |
-
2020
- 2020-05-12 CN CN202010399263.XA patent/CN111424574B/en active Active
- 2020-08-06 JP JP2020133443A patent/JP2021179163A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104195973A (en) * | 2014-08-22 | 2014-12-10 | 袁湘华 | Urban road separation system |
| KR20190057595A (en) * | 2017-11-20 | 2019-05-29 | 유니콘스(주) | Smart bump |
| CN108755517A (en) * | 2018-05-25 | 2018-11-06 | 深圳市雷凌广通技术研发有限公司 | A kind of tide track of good warning effect |
| CN209941542U (en) * | 2018-12-13 | 2020-01-14 | 深圳市中恒嘉信息工程有限公司 | Novel lift bumping post convenient to installation |
| CN109826128A (en) * | 2019-03-19 | 2019-05-31 | 郑州铁路职业技术学院 | A kind of preferable railway mouth guardrail of safety |
| CN110273389A (en) * | 2019-04-16 | 2019-09-24 | 四川大学 | A kind of mechanical deceleration strip capable of being lifted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111424574A (en) | 2020-07-17 |
| JP2021179163A (en) | 2021-11-18 |
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Effective date of registration: 20220801 Address after: Room 1305, floor 3, building 1, yard 56, zhaoquanying section, Changjin Road, Shunyi District, Beijing 101300 Patentee after: Beijing yongao Technology Co.,Ltd. Address before: 252000 3-907, block B, yunshang building, science and Technology City, Jiuzhou street, high tech Zone, Liaocheng City, Shandong Province Patentee before: Liaocheng Luliao Network Technology Co.,Ltd. |
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