CN110318358A - A kind of protecting device of highway - Google Patents
A kind of protecting device of highway Download PDFInfo
- Publication number
- CN110318358A CN110318358A CN201910253589.9A CN201910253589A CN110318358A CN 110318358 A CN110318358 A CN 110318358A CN 201910253589 A CN201910253589 A CN 201910253589A CN 110318358 A CN110318358 A CN 110318358A
- Authority
- CN
- China
- Prior art keywords
- shape protective
- column
- protective fence
- screw
- transverse
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- E01F15/006—Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs ; Apparatus or barriers specially adapted therefor, e.g. wheeled barriers
-
- 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
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
-
- 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
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Abstract
The present invention provides a kind of protecting device of highway, wherein, including at least two L shape protective fences, every L shape protective fence includes transverse plate, vertical plate and screw, the transverse plate is vertically connected on before the vertical plate and front end of transverse plate equipped with the installation groove for installing the screw, several L shape protective fences are folded one by one set along the longitudinal direction, and the transverse plate of two neighboring L shape protective fence is superimposed by screw to be connected.The present invention can estimate the energy generated when the collision of different speed different automobile types, and the quantity of L shape protective fence superposition is then selected according to estimated value, and in the case where ensuring to improve anticollision ability, realization is convenient efficiently dismounts and carry, and have very strong practicability.
Description
Technical field
The invention belongs to highway anticollision device, collision-prevention device field more particularly to a kind of protecting device of highway.
Background technique
Nowadays, during Transport Facility Construction, the requirement of traffic safety protection facility is also increasingly stringenter, using
It is more and more extensive, wherein anticollision barrier is using a kind of most safety protection facilities.Present anticollision barrier is generally single layer
Structure, anticollision ability is weaker, can not resist very strong impact force, to improve anticollision ability, will thicken the thickness of anticollision barrier,
So that anticollision barrier volume becomes larger.Quality is heavy, is not easy to move, safeguard and replace, and has weak, benefit inconvenient for use of anticollision ability etc.
Defect.
In view of the above-mentioned problems, the applicant furthers investigate in view of the above-mentioned drawbacks in the prior art, there is this case generation then.
Summary of the invention
The purpose of the present invention is to provide a kind of protecting device of highway, smart structural design is reasonable, carries and receives
Receive it is convenient quickly, cushion performance it is good, effectively solve existing anti-collision facility and be not easy to carry storage, the defect of anti-collision effect difference and not
Foot.
The present invention is implemented as follows:
There is provided a kind of protecting device of highway, wherein including at least two L shape protective fences, every L shape protective fence includes
Transverse plate, vertical plate and screw, the transverse plate is vertically connected on before vertical plate and the front end of transverse plate is equipped with and uses
In the installation groove for installing the screw, several L shape protective fences are folded one by one set along the longitudinal direction, and relatively preceding L shape
The rear endlap of the transverse plate of protective fence is located at the front end of the transverse plate of relatively posterior L shape protective fence, two neighboring L shape protective fence
Transverse plate pass through screw superposition connection.
Further, the quantity for the screw that the L shape protective fence is arranged gradually increases from front to back.
Further, every L shape protective fence be additionally provided with laterally support column, transverse groove, vertical Tapered Column, lateral Tapered Column with
And spring, transverse groove and transverse direction are supported column and are set up separately in the front and back of vertical plate, spring is located in transverse groove and spring edge
Front-rear direction extends, and the transverse direction of two neighboring L shape protective fence, which supports column and transverse groove and mutually plugs and laterally support column, to be supported
The spring, the lower surface which supports column are equipped with limiting slot, and the transverse direction Tapered Column is located at behind vertical plate, described perpendicular
It is located in vertical plate to Tapered Column sliding and laterally Tapered Column is consistent with the level height of vertical Tapered Column, the vertical wedge shape
Column upper end matches setting with the limiting slot.
Further, the transverse plate rear end is equipped with the through-hole passed through for screw, which is equipped with inductance coil, described perpendicular
The power-on switch of inductance coil is equipped with to Tapered Column lower end surface, the inner surface of the installation groove covers irony layer, the screw
Installation groove is inserted into across through-hole.
Further, the transverse plate and vertical plate are made of vibration-absorptive material, and the transverse plate is wavy shaped configuration.
Further, every L shape protective fence further includes having emergency alarm bell, the energization of the power-on switch control emergency alarm bell circuit
And power-off.
Further, every L shape protective fence is additionally provided with solar panel and battery, the solar panel and electric power storage
Pond is that inductance coil and emergency alarm bell circuit are powered.
Further, every L shape protective fence is additionally provided with phosphor strip, which is located at the two sides of vertical plate.
Further, each vertical plate is also inserted with anti-climbing mechanism, the anti-climbing mechanism include rotary cylinder, connecting shaft and
Two brackets, the upper surface of vertical plate are equipped with two connecting grooves extended downwardly, and the lower section corresponding inserted of a bracket is one
In a connecting groove, the connecting shaft is horizontally set between two supports, and the rotary cylinder is rotatably connected in connecting shaft.
Further, the internal groove side wall of the connecting groove is equipped with positive magnet, and the outer surface of the lower section of each bracket is equipped with
Cathode magnet.
After adopting the above technical scheme, the present invention relates to a kind of protecting device of highway, it is compared with prior art, beneficial
Effect is that the present invention includes at least two L shape protective fences being superimposed along the longitudinal direction, and L shape protective fence is superimposed by screw, when
Vehicle will drive the L shape protective fence and move backward when bumping against the vertical plate of relatively preceding L shape protective fence, vertical plate mobile moment
Impact force screw can be inferred that several L shape protective fences move back one by one, each L shape protective fence to consuming crash energy
Infer screw, crash energy is gradually exhausted by several fractureing for several screws, achievees the effect that anticollision.In this way, this
Invention can estimate the energy generated when the collision of different speed different automobile types, then select the superposition of L shape protective fence according to estimated value
Quantity and the specification and quantity for selecting screw realize that convenience is efficiently dismounted and removed in the case where ensuring to improve anticollision ability
Fortune has very strong practicability.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the partial enlarged view of part A in Fig. 1 of the present invention；
Fig. 3 is the structural schematic diagram of anti-climbing mechanism of the invention.
Description of symbols:
1, transverse plate, 11, through-hole, 12, installation groove, 121, irony layer；2, vertical plate, 21, phosphor strip, 22, rotary cylinder,
23, connecting shaft, 24, bracket, 241, cathode magnet；3, screw；4, column, 41, limiting slot are laterally supported；5, transverse groove；6, vertical
Tapered Column；7, lateral Tapered Column；8, spring；91, inductance coil, 92, power-on switch, 93, solar panel, 94, emergency alarm bell.
Specific embodiment
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is cooperated to be explained in detail.Before coordinate X, Y respectively indicate front-rear direction and up and down direction and coordinate X direction in figure, coordinate Y
In direction.
Shown in reference picture 1, Fig. 2, the present invention provides a kind of protecting device of highway, wherein anti-including at least two L shapes
Guardrail, every L shape protective fence include transverse plate 1, vertical plate 2 and screw 3, and the transverse plate 1 is vertically connected on vertical plate 2
Front and the front end of transverse plate 1 are equipped with the installation groove 12 for installing the screw 3, several L shape protective fences are along front and back
Direction folds set one by one, and the rear endlap of the transverse plate of relatively preceding L shape protective fence is located at relatively posterior L shape protective fence
The front end of transverse plate, the transverse plate 1 of two neighboring L shape protective fence is by the superposition connection of screw 3, specifically, every L shape protection
The folded transverse plate for being equipped with the L shape protective fence being located at before the L shape protective fence in the upper surface of 1 front end of transverse plate on column, while laterally
The upper surface of the folded transverse plate 1 for being provided at the subsequent L shape protective fence of L shape protective fence in the lower surface of the rear end of plate 1, in this way,
The screw 3 of each L shape protective fence passes through the transverse plate of itself and is inserted in the installation groove 12 of L shape protective fence behind.When
Vehicle crash to the L shape protective fence for being located at front vertical plate 2 when impact energy it is maximum, the screw hammered into is fractureed enough, and
Vehicle collision bring impact energy can be absorbed in snap-off process, L shape protective fence continues to slide backward to hit after broken-off screw
L shape protective fence behind is hit, and fractures hammer into the screw of the L shape protective fence again, several such L shape protective fences will be by
A movement, one L shape protective fence of every movement, which will fracture, hammers into the screw of the L shape protective fence, until impact energy is in several L
It is gradually exhausted in shape protective fence moving process, achievees the effect that anticollision.It should be noted that even if the impact energy of vehicle
It is big to enough by whole device it is mobile, be moved to after protective device supports protected object, vehicle will start to push vertical
Plate starts to consume impact energy.
The size of the screw of different size is different, intensity also just it is different, fracture required for thrust with regard to different,
What specific thrust numerical value can be surveyed by experiment, in actual use, the present invention can estimate that different speed different automobile types are touched
Then the energy generated when hitting selects the specification and quantity of screw according to estimated value, but the screw folding on every piece of L shape protective fence
Desired thrust of breaking cannot be excessive, otherwise just vertical plate will directly be pushed over before pushing L shape protective fence, so each L shape
The screw of protective fence hammered into should not be too many, the quantity that L shape protective fence can be selected again to be superimposed according to estimated value, that is, combines
The consumable impact energy of whole device is finally determined to screw and L shape protective fence comprehensive selection.Different L shapes is anti-when use
The transverse plate 1 of guardrail, which is that front and rear end is folded, to be set, and all L shape protective fences, which can be folded directly, when folding sets, and space occupied is smaller, because
This, convenient efficiently dismounting is also able to achieve in the case where ensuring to improve anticollision ability and is carried, has very strong practicability.
Preferably, the quantity for the screw 3 that L shape protective fence is arranged gradually increases from front to back, for example, as shown in Figure 1, entire
Device is set there are four L shape protective fence, since impact force is maximum when vehicle encounters the present apparatus at the beginning, is located at the L of foremost
Shape protective fence only has row's screw 3, and the resistance of the screw 3 can only centainly consume impact force, so vehicle will continue to move
It is dynamic, then further become smaller using the counteracting of two rows of 3 resistances of screw, like this, impact force is smaller and smaller, and resistance is increasingly
Greatly, so that absorbing energy is an incremental process, in this way, the present invention is larger without carrying out intensity with biggish impact force
Rigid impact, take the mode of slow consumption impact force that the present apparatus can effectively be avoided directly to be ruined broken, and generate have it is bigger
The fragment of impact force and cause secondary injury, while realize absorb energy effect.Finally, being located at the present apparatus falls two position L shapes
Protective fence is maximum in the resistance on the nearest L shape protective fence of protected object body, so that it is guaranteed that the L shape protection of two positions
After rearmost L shape protective fence slides into bottom, impact force has been not enough to allow rearmost L shape protective fence is past again to move back on column
It is dynamic, it can effectively prevent the protected object of Vehicular impact in this way, greatly improve security performance.
Preferably, in order to make the structure of vertical plate 2 more firm and further increase shock proof ability, each protective fence is also
Equipped with column 4, transverse groove 5, vertical Tapered Column 6, lateral Tapered Column 7 and spring 8 is laterally supported, transverse groove 5 supports column 4 with lateral
Set up separately in the front and back of vertical plate 2, spring 8 is located in transverse groove 5 and spring 8 extends along the longitudinal direction.Two neighboring L
The transverse direction of shape protective fence supports column 4 and transverse groove 5 mutually plugs and laterally supports column 4 and supports the spring 8, specifically,
Transverse direction when two L shape protective fence splits positioned at the L shape protective fence of front supports the insertion of column 4 and is located at subsequent L shape protective fence
Transverse groove 5 can be by the way that laterally supporting column 4 compresses spring 8 when vertical plate 2 is mobile when Vehicular impact is located at the vertical plate 2 of front
It can be prevented vertical plate 2 from being washed upside down to promote whole device in the resilient absorbent impact energy that this passes through spring 8 by resistance
Structural strength, and certain impact energy can be consumed by elastic force.
Further, the bounce of spring 8 causes secondary pulse and lift structure stability, each protective fence in order to prevent
It is additionally provided with vertical Tapered Column and lateral Tapered Column, the lower surface which supports column 4 is equipped with limiting slot 41, the transverse direction Tapered Column
It is located at behind vertical plate 2, the vertical Tapered Column sliding is located in vertical plate 2 and laterally Tapered Column and vertical Tapered Column
Level height is consistent, and the vertical Tapered Column upper end matches setting with the limiting slot 41.Positioned at the cross of the L shape protective fence of front
The vertical Tapered Column positioned at subsequent L shape protective fence can be withstood when moving to Tapered Column backwards, finally by vertical Tapered Column to
Upper jack-up is inserted into limiting slot 41, so that lateral Tapered Column will not be opened by the bounce of spring 8, it is sufficiently stable.
For the ease of stack combinations L shape protective fence, it is preferable that 1 rear end of transverse plate is equipped with the through-hole passed through for screw 3
11, which is equipped with inductance coil 91, and the vertical Tapered Column lower end surface is equipped with the power-on switch 92 of inductance coil 91, described
The inner surface of installation groove 12 covers irony layer 121, and the screw 3 passes through through-hole 11 and is inserted into installation groove 12.Existing screw 3
It is to be made of iron material, adding through-hole 11 can allow screw 3 to easily pass through, and assemble more laborsaving.Due to screw 3 and installation groove
There is gap between 12, i.e., more loosen therebetween, add inductance coil 91, causes when previous L shape protective fence moves backward
When lateral Tapered Column low pressure power-on switch 92, inductive circle is powered and magnetizes screw 3, and magnetized screw 3 can be with 121 phase of irony layer
It inhales, allows screw 3 and installation groove 12 to combine even closer firm, so that the latter L shape protective fence is inserted during moving backward
The screw entered will not be directly hit by powerful impact force from installation groove 12, guarantee that screw 3 is to be knocked power to thrust to half
The other half is in through-hole in installation groove.Before collision, power-on switch 92 is closed, and screw 3 does not have magnetic force and is easy to split,
Therefore the present invention takes into account the fastness of assembling convenience and impact event, and clever structure is practical.
Wherein, the transverse plate 1 and vertical plate 2 are made of vibration-absorptive material, for example using PU foamed material etc., utilize material
The damping property of material consumes part of impact force, and energy-absorbing effect is good, and buffer function becomes apparent.And the transverse plate is waveform knot
Structure, the transverse plate of relatively preceding L shape protective fence is folded to be located above the transverse plate of relatively posterior L shape protective fence, so relatively
The transverse plate after thrusting screw of preceding L shape protective fence can be slided in the transverse plate of relatively posterior L shape protective fence, transverse plate
Facilitate to increase frictional force using wavy shaped configuration, consumes part impact energy using frictional resistance, play the role of energy consumption.
As the preferred embodiment of the present invention, every L shape protective fence further includes having emergency alarm bell 94, and the power-on switch 92 is controlled
Power-on switch is connected after the energization and power-off of emergency alarm bell circuit processed, that is, warning circuit and hot-wire coil circuit in parallel, is powered
Switch is opened, and two circuits are all powered, conversely, power-on switch is closed, two circuits are all powered off.When automobile crash to L shape protects
Column and when moving backward L shape protective fence, will press power-on switch, also just starting emergency alarm bell issues alarm at this time, to surrounding
Vehicle and environment play a warning role.
It is highly preferred that every L shape protective fence is additionally provided with solar panel 93 and battery (not shown), the solar-electricity
Pond plate and battery are that inductance coil and emergency alarm bell circuit are powered, and highway all outdoors, can be shined upon, therefore can sufficiently inhale
Sunlight is received, convert solar energy into electrical energy and is stored in battery for circuit use, has the effect of environmental protection and energy saving.
As another embodiment of the present invention, every L shape protective fence is additionally provided with phosphor strip 21, which is located at vertical plate
Two sides, phosphor strip illuminating at night plays a warning role, accidentally hits caused by preventing because of insufficient light.
Protective device is potentially used in than relatively hazardous section, is crossed in order to prevent, as shown in figure 3, as of the invention
The third embodiment, each vertical plate are also inserted with anti-climbing mechanism, and anti-climbing mechanism is removably mountable to erect as needed
To on plate.Specifically, which includes that rotary cylinder 22, connecting shaft 23 and two brackets 24, the upper surface of vertical plate are set
There are the two connecting groove (not shown) extended downwardly, the lower section corresponding inserted of a bracket 24 is in a connecting groove, institute
It states connecting shaft to be horizontally set between two supports, connecting shaft not can rotate, and the rotary cylinder is rotatably connected in connecting shaft.It is each anti-
As long as an anti-climbing mechanism is arranged in protection unit, in general, anti-climbing mechanism is located at the perpendicular of the L shape protective fence for being placed in foremost
To on plate, since rotary cylinder stress can rotate, make none reliable grasp-point of people, play the role of well it is anti-climb,
Reduce because people cross traffic accident caused by protective fence.
It is highly preferred that the internal groove side wall of the connecting groove is equipped with positive magnet, the outer surface of the lower section of each bracket is equipped with
Cathode magnet 241, if connecting anti-climbing mechanism and vertical plate using the modes such as screw are hammered into, inconvenience splits or repeatedly tears open
Partial volume easily damages vertical plate and anti-climbing mechanism, using the attracting feature of positive magnet and cathode magnet, not only has
Relatively stable bonding strength, and bracket is plugged from connecting groove every time, it not will cause new socket, thus by multiple
Dismounting will not damage vertical plate.
The above description is only an embodiment of the present invention, is not intended to limit scope of patent protection of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (1)
1. a kind of protecting device of highway, which is characterized in that including at least two L shape protective fences, every L shape protective fence includes
Transverse plate, vertical plate and screw, the transverse plate is vertically connected on before vertical plate and the front end of transverse plate is equipped with and uses
In the installation groove of mounting screw, several L shape protective fences are folded one by one set along the longitudinal direction, and relatively preceding L shape protection
The rear endlap of the transverse plate on column is located at the front end of the transverse plate of relatively posterior L shape protective fence, the cross of two neighboring L shape protective fence
It is superimposed and is connected by screw to plate；Every L shape protective fence, which is additionally provided with, laterally supports column, transverse groove, vertical Tapered Column, laterally wedge shape
Column and spring, transverse groove and transverse direction are supported column and are set up separately in the front and back of vertical plate, and spring is located in transverse groove and bullet
Spring extends along the longitudinal direction, and the transverse direction of two neighboring L shape protective fence supports column and transverse groove and mutually plugs and laterally support column
The spring is supported, the lower surface which supports column is equipped with limiting slot, and the transverse direction Tapered Column is located at behind vertical plate, institute
State that the sliding of vertical Tapered Column is located in vertical plate and laterally Tapered Column is consistent with the level height of vertical Tapered Column, it is described vertical
Tapered Column upper end matches setting with the limiting slot；The transverse plate rear end is equipped with the through-hole passed through for screw, which is equipped with
Inductance coil, the vertical Tapered Column lower end surface are equipped with the power-on switch of inductance coil, and the inner surface of the installation groove covers
Irony layer, the screw pass through through-hole and are inserted into installation groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018102954224 | 2018-03-30 | ||
| CN201810295422.4A CN108396690A (en) | 2018-03-30 | 2018-03-30 | A kind of protecting device of highway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110318358A true CN110318358A (en) | 2019-10-11 |
Family
ID=63099558
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310739.0A Withdrawn CN108396691A (en) | 2018-03-30 | 2018-03-30 | A kind of protecting device of highway of good buffer effect |
| CN201810311234.6A Withdrawn CN108660977A (en) | 2018-03-30 | 2018-03-30 | A kind of anti-climb protecting device of highway |
| CN201810311329.8A Withdrawn CN108660978A (en) | 2018-03-30 | 2018-03-30 | A kind of simple type protecting device of highway |
| CN201810295422.4A Withdrawn CN108396690A (en) | 2018-03-30 | 2018-03-30 | A kind of protecting device of highway |
| CN201910253589.9A Withdrawn CN110318358A (en) | 2018-03-30 | 2019-03-30 | A kind of protecting device of highway |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310739.0A Withdrawn CN108396691A (en) | 2018-03-30 | 2018-03-30 | A kind of protecting device of highway of good buffer effect |
| CN201810311234.6A Withdrawn CN108660977A (en) | 2018-03-30 | 2018-03-30 | A kind of anti-climb protecting device of highway |
| CN201810311329.8A Withdrawn CN108660978A (en) | 2018-03-30 | 2018-03-30 | A kind of simple type protecting device of highway |
| CN201810295422.4A Withdrawn CN108396690A (en) | 2018-03-30 | 2018-03-30 | A kind of protecting device of highway |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN108396691A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636336B (en) * | 2020-06-09 | 2021-10-08 | 湖州越彬智能科技有限公司 | Anti-climbing isolation railing |
| CN111764324A (en) * | 2020-07-14 | 2020-10-13 | 彭利芳 | Rail guard that can automatic alarm |
| CN111809548A (en) * | 2020-07-21 | 2020-10-23 | 易保冲 | Tourist attraction is with guardrail that has alarm function |
-
2018
- 2018-03-30 CN CN201810310739.0A patent/CN108396691A/en not_active Withdrawn
- 2018-03-30 CN CN201810311234.6A patent/CN108660977A/en not_active Withdrawn
- 2018-03-30 CN CN201810311329.8A patent/CN108660978A/en not_active Withdrawn
- 2018-03-30 CN CN201810295422.4A patent/CN108396690A/en not_active Withdrawn
-
2019
- 2019-03-30 CN CN201910253589.9A patent/CN110318358A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN108396690A (en) | 2018-08-14 |
| CN108396691A (en) | 2018-08-14 |
| CN108660977A (en) | 2018-10-16 |
| CN108660978A (en) | 2018-10-16 |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191011 |