CN214271686U - Bridge protector for municipal works - Google Patents
Bridge protector for municipal works Download PDFInfo
- Publication number
- CN214271686U CN214271686U CN202022437756.6U CN202022437756U CN214271686U CN 214271686 U CN214271686 U CN 214271686U CN 202022437756 U CN202022437756 U CN 202022437756U CN 214271686 U CN214271686 U CN 214271686U
- Authority
- CN
- China
- Prior art keywords
- fence
- protective
- protection
- main
- bridge
- 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.)
- Expired - Fee Related
Links
- 230000001012 protector Effects 0.000 title claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 163
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 2
- 206010010144 Completed suicide Diseases 0.000 description 8
- 230000005484 gravity Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000009191 jumping Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model relates to a bridge protector for municipal works belongs to municipal works technical field. The utility model discloses a bridge protection device for municipal works arranges a plurality of fender piles on the bridge, arranges between two arbitrary adjacent fender piles including protection main fence and protection inner fence, protection main fence locates the protection inner fence outside, wherein is equipped with the link gear in the fender pile, the link gear connects protection main fence and protection inner fence; the relative motion between the protective inner fence and the protective main fence can ensure that the protective main fence slides to the upper part of the protective inner fence to be matched with each other. The utility model discloses a bridge protector for municipal works, the total height that can rise the rail guard fast that the upwards slip of protection owner fence, the personnel of avoiding are turned over the rail guard, ensure pedestrian's safety on the bridge.
Description
Technical Field
The utility model belongs to the technical field of municipal works, a municipal works bridge facility field is related to.
Background
With the development of cities, almost most of cities have rivers to pass through, and bridges on the rivers are provided with guard rails. Every year, a plurality of people climb over the protective fence to suicide on the bridge, and in municipal administration, people are dispatched on the bridge to patrol and immediately rescue the bridge, and news reports also frequently show a plurality of heroes for rescuing people, but the phenomenon cannot be completely eradicated.
At present, in order to prevent situations such as personnel suicide and the like from happening on a bridge, the general method is as follows:
1. the guard rails of the bridge are heightened, so that the situation that people climb up is avoided, and the occurrence of soft sound of the people is avoided. However, this approach increases the cost of the guard rail, and the increased height of the guard rail makes the guard rail unstable and vulnerable to falling by equal cross wind to hurt passers-by.
2. The patent application, such as the United states patent application, with the publication number of US20170356215A1 and the publication number of 2017, 12 and 14, discloses a DEVICE FOR preventing jumping and SUICIDE, which is named as JUMP SUICIDE PREVENTION DEVICE FOR BRIDGE RAILINGS (Chinese translation name: a DEVICE FOR preventing jumping and SUICIDE), discloses that a rolling component is arranged at the top of a BRIDGE railing, when a person wants to climb over the railing, the rolling component at the top rotates to cause the person to fall off, thereby avoiding the situation that the person climbs over to avoid the person jumping and SUICIDE on the BRIDGE. This has a certain effect, but when the rolling element is in a long-term rain or wet environment, it is very easy to rust, and therefore it is very easy to prevent the rolling element from rolling, and at this time, the function of preventing the person from jumping and killing oneself is lost.
3. A tiltable mechanism is added on the top of the guard rail, as disclosed in korean patent application No. KR101818065B1, published as: 1 month and 12 days in 2018, and the invention is named asThe fence is arranged on the bridge guardrail in an inclinable mode, and when a person holds the inclining mechanism by hand to climb upwards, the inclining mechanism inclines, so that the person cannot climb up the fence and turn over the fence, and the person cannot suicide. However, the guard rail is high in height, the urban attractiveness is seriously affected, and when the fence mounted at the top is unstable in structure, the guard rail is easily damaged by river wind, falls off and injures passerby.
In order to avoid the suicide of people, the existing protective fence for the bridge is high, affects urban landscape and has an unstable structure, or is easy to rust and fail, so that the aim cannot be fulfilled. Therefore, the urban landscape is not influenced, the structure is stable and reliable, and the urban landscape can not be failed due to rusting.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is in order to solve the problem that exists in the above-mentioned trade, aim at providing a bridge protector for municipal works, through the linkage relation between fence and the main fence of protection in the protection, when someone wants to live from scratch and want to trample in the protection when the fence turns over more, make the main fence of protection rise under the linkage relation, the rail guard that fence and the main fence of protection are constituteed in the protection this moment highly is higher than the climbing height of personnel far away to this stops personnel to turn over things that live more and takes place. When the protective guard rail is used at ordinary times and no person treads on the protective inner rail, the protective main rail is overlapped with the protective inner rail under the gravity factor, so that the total height of the protective guard rail is not high, the condition that the protective guard rail falls off due to wind blowing is avoided, and the bridge landscape is not influenced. In addition, the parts mainly playing the linkage relation are all hidden in the protection pile, so that rusting and failure caused by rainwater corrosion are avoided.
The utility model discloses a realize like this:
the utility model discloses a bridge protection device for municipal works arranges a plurality of fender piles on the bridge, arranges between two arbitrary adjacent fender piles including protection main fence and protection inner fence, protection main fence locates the protection inner fence outside, wherein is equipped with the link gear in the fender pile, the link gear connects protection main fence and protection inner fence; the relative motion between the protective inner fence and the protective main fence can ensure that the protective main fence slides to the upper part of the protective inner fence to be matched with each other.
Compared with the prior art, when the guardrail is installed and used at ordinary times, the protection main fence is arranged on the outer side of the protection inner fence, so that the guardrail is used at ordinary times and no person tramples on the protection inner fence, the protection main fence is overlapped with the protection inner fence under the gravity factor, the total height of the guardrail is not high, the condition that the guardrail falls off due to wind blowing is avoided, and the bridge landscape is not influenced. The protective inner fence and the protective main fence move relatively, so that the protective main fence can slide to the position above the protective inner fence to be matched with each other, when a person wants to kill the guard by oneself and wants to tread on the protective inner fence to climb over the protective inner fence, the protective inner fence slides downwards to enable the protective main fence to rise under the linkage relation, and finally the protective main fence slides to the position above the protective inner fence to be matched with each other, and finally the sum of the height of the protective inner fence and the height of the protective main fence of the protective fence is formed, and the sum is far higher than the height which can be climbed by the person, so that the occurrence of the accident that the person climbs over the guard is avoided on the bridge of municipal engineering. In addition, the parts mainly playing a linkage relation are all hidden in the protective pile, so that rusting and failure caused by rainwater corrosion are avoided.
Furthermore, the linkage mechanism comprises a rotating wheel, a sliding block and a steel rope, wherein the rotating wheel is arranged on the protective pile, the sliding wheel is arranged on the protective inner fence, and the sliding block is arranged on the protective main fence; one end of the steel rope is fixed on the protective pile, the other end of the steel rope is connected to the sliding block after sequentially bypassing the sliding wheel and the rotating wheel, and the protective inner fence drives the sliding block and the protective main fence to slide through the sliding of the sliding wheel. The pulley block is formed by the matching relationship of the steel rope, the sliding wheel and the rotating wheel, when the protective inner fence slides downwards under stress, the sliding wheel connected to the protective inner fence slides downwards, one end of the steel rope is fixed, and the other end of the steel rope is connected to the sliding block, so that the sliding block is driven to move upwards, the protective main fence at the moment also moves upwards along with the sliding block, and the relative movement between the protective inner fence and the protective main fence is ensured, namely when the protective inner fence slides downwards, the protective main fence slides upwards; finally, the protective fence slides to the upper part of the protective main fence to be matched with the protective inner fence; the linkage between the protective inner fence and the protective main fence is realized, and the situation that personnel cross the protective fence can be effectively avoided.
Furthermore, an upper sliding groove and a lower sliding groove are formed in the protection pile, and the sliding block can slide in the upper sliding groove; the sliding wheels are connected through a connecting shaft, and the connecting shaft is arranged in the lower sliding groove to slide; the sliding stroke of the protective inner fence and the protective main fence can be restricted, and when the protective inner fence and the protective main fence slide relatively, the protective main fence can be just overlapped above the protective inner fence. The steel rope is wound around from the lower part of the sliding wheel, and the steel rope is wound around from the upper part of the rotating wheel to finally form a pulley block, so that the protection inner fence and the protection main fence can slide relatively easily; when the protection inner fence slides downwards, the protection main fence can slide upwards to be matched with the protection inner fence to form a complete protective fence, so that the bridge protection device for municipal engineering is prevented from being turned over by personnel, and the safe protection operation is performed on the personnel on the bridge.
Furthermore, the height of the main protection fence is 2 times that of the inner protection fence, due to the pulley block, the stroke of the sliding block in the upper sliding groove is 2 times that of the connecting shaft in the lower sliding groove, and the sliding height of the main protection fence is 2 times that of the inner protection fence, so that the main protection fence and the inner protection fence are in a mutually matched relation, when the inner protection fence slides downwards to the bottom of the lower sliding groove, the main protection fence slides upwards to the upper part of the inner protection fence to be mutually matched, and finally the whole protective guard fence is formed.
Furthermore, the weight of the protection main fence is greater than that of the protection inner fence, so that the protection main fence keeps a downward trend, and the protection inner fence keeps an upward trend; when no acting force is applied to the protective inner fence, the protective main fence keeps sliding downwards due to the matching relationship of gravity and the pulley block, the protective inner fence keeps moving upwards, and finally keeps a balanced initial state, so that the protective inner fence can be restored without manual operation, and the repeated use of the protective inner fence is ensured. During installation, the protective inner column is located in the middle area of the protective main column, and the protective main column comprises transverse columns arranged at the top and the bottom and a plurality of vertical columns arranged between the two transverse columns. Therefore, the cross bar is not arranged in the middle of the whole protective main rail, when a person wants to climb over the protective guard rail, the person can habitually step on the protective inner rail in the middle area of the protective main rail, then the protective inner rail is stressed to slide downwards, the protective main rail slides upwards, after the sliding is finished, the protective main rail is overlapped on the protective inner rail, the sliding of the person when stepping on the protective inner rail can bring instant frightening to the person, and conditioned reflex can be generated to relax the protective guard rail; if the protective guard is not loosened, the protective main guard is overlapped with the protective inner guard, and the height of the whole protective guard can not be crossed by people, particularly in the position where no foot is stepped on the protective main guard.
The utility model has the advantages of as follows:
1. the utility model discloses a bridge protector for municipal works, the total height that can rise the rail guard fast that the upwards slip of protection owner fence, the personnel of avoiding are turned over the rail guard, ensure pedestrian's safety on the bridge.
2. The utility model discloses a bridge protector for municipal works, simple structure, it is easy and simple to handle, it is convenient to use, after the upwards slip of protection owner fence, can resume the former state fast, guarantees device's used repeatedly.
3. The utility model discloses a bridge protection device for municipal works ensures that the rail guard total height at ordinary times is not high, has avoided the condition that wind-blown rain drenches and drop on the bridge to appear, does not influence the bridge view yet. And the parts mainly playing the linkage relation are all hidden in the protection pile, so that rusting and failure caused by rainwater corrosion are avoided.
Drawings
FIG. 1 is a schematic structural view of a fender pile of the present invention;
fig. 2 is a main schematic diagram of the protective structure of the present invention.
The labels in the figure are: 100-protective pile, 101-pile body, 102-lower chute, 103-upper chute, 104-fixed block, 105-sliding wheel, 106-sliding block, 107-steel rope and 108-rotating wheel; 200-protective main bar, 201-horizontal bar, 202-vertical bar; 300-protective inner fence, 301-inner horizontal fence, 302-inner vertical fence and 303-connecting shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and fig. 2, the bridge protection device for municipal engineering of the present invention has a plurality of fender posts 100 arranged on a bridge, a fender main rail 200 and a fender inner rail 300 arranged between any two adjacent fender posts 100, wherein the fender main rail 200 is arranged outside the fender inner rail 300, and a linkage mechanism is arranged in the fender posts 100 and connects the fender main rail 200 and the fender inner rail 300; the relative movement between the guard inner rail 300 and the guard main rail 200 enables the guard main rail 200 to slide above the guard inner rail 300 to cooperate with each other.
The linkage mechanism comprises a rotating wheel 108, a sliding wheel 105, a sliding block 106 and a steel rope 107, wherein the rotating wheel 108 is arranged on the protection pile 100, the sliding wheel 105 is arranged on the protection inner fence 300, and the sliding block 106 is arranged on the protection main fence 200; an upper sliding groove 103 and a lower sliding groove 102 are arranged on the protective pile 100, and the sliding block 106 can slide in the upper sliding groove 103; the sliding wheel 105 is connected with the protective inner fence 300 through a connecting shaft 303, and the connecting shaft 303 is arranged in the lower sliding groove 102 to slide; one end of the steel cable 107 is fixed on the fender pile 100, the other end of the steel cable 107 sequentially bypasses the sliding wheel 105 and the rotating wheel 108 and then is connected to the sliding block 106, specifically, one end of the steel cable 107 is fixed on a fixing block (104) on the inner wall of the fender pile 100, the steel cable 107 bypasses from the lower side of the sliding wheel 105, and the steel cable 107 bypasses from the upper side of the rotating wheel 108 and then is connected to the sliding block 106 to form a pulley block.
The downward sliding of the protective inner fence 300, the sliding of the connecting shaft 303 in the lower sliding groove 102, the steel rope 107 wound on the sliding wheel 105, the rotating wheel 108 and the driving sliding block 106 slide, and the protective main fence 200 slides along with the sliding block 106, thereby ensuring that the protective main fence 200 can slide upwards to the upper side of the protective inner fence 300 when the protective inner fence 300 slides downwards.
In order to ensure that when the protective inner rail 300 slides downwards to the bottom of the lower chute 102, the protective main rail 200 slides upwards to the upper side of the protective inner rail 300 to be matched and overlapped with each other to form the whole protective rail, and the height of the protective rail can be rapidly increased, the height of the protective main rail 200 needs to be 2 times that of the protective inner rail 300, and the stroke of the sliding block 106 in the upper chute 103 is 2 times that of the connecting shaft 303 in the lower chute 102. The weight of the protection main fence 200 is greater than the weight of the protection inner fence 300 in this patent, so that the protection main fence 200 keeps a downward trend, the protection inner fence 300 keeps an upward trend, and after no acting force is on the protection inner fence 300 or the protection inner fence 300 is stepped on, the original appearance can be rapidly recovered under the relationship between gravity and a pulley block, that is: when the protective inner rail 300 is installed, the protective inner rail is located in the middle area of the protective main rail 200, and the protective main rail 200 comprises cross rails 201 arranged at the top and the bottom, and a plurality of vertical rails 202 arranged between the two cross rails 201. The protective inner rail 300 comprises inner transverse rails 301 arranged at the top and the bottom and an inner vertical rail 302 arranged between the two inner transverse rails 301, the inner vertical rail 302 at the most edge part is connected with a connecting shaft 303, and the connecting shaft 303 is connected with a sliding wheel (105); wherein the inner rail 301 at the bottommost part is just convenient for the person to step on at the height of the table in the process of the table. The utility model discloses a bridge protector for municipal works, the both ends of fence 300 are provided with fender pile 100 and link gear respectively in protection owner fence 200 and protection.
The middle part of the whole protective main fence is not provided with a cross bar, when a person wants to cross the protective fence, the person can habitually step on the protective inner fence in the middle area of the protective main fence, then the protective inner fence is stressed to slide downwards, the protective main fence slides upwards, after the sliding is finished, the protective main fence is overlapped on the protective inner fence, and the sliding of the person when stepping on the protective inner fence can bring instant frightening to the person, and the conditional reflex can relax the protective fence; if the protective guard is not loosened, the protective main guard is overlapped with the protective inner guard, and the height of the whole protective guard can not be crossed by people, particularly in the position where no foot is stepped on the protective main guard.
Compared with the prior art, when this patent is installed at ordinary times and is used, the guardrail outside in the protection is located to the main fence of protection to this is used at ordinary times and unmanned trample in the protection when the guardrail, the main fence of protection overlaps with the guardrail in the protection under the gravity factor, makes the rail guard gross height not high and has avoided the condition that the wind-blown drops to appear, does not also influence the bridge view. The protective inner fence and the protective main fence move relatively, so that the protective main fence can slide to the position above the protective inner fence to be matched with each other, when a person wants to kill the guard by oneself and wants to tread on the protective inner fence to climb over the protective inner fence, the protective inner fence slides downwards to enable the protective main fence to rise under the linkage relation, and finally the protective main fence slides to the position above the protective inner fence to be matched with each other, and finally the sum of the height of the protective inner fence and the height of the protective main fence of the protective fence is formed, and the sum is far higher than the height which can be climbed by the person, so that the occurrence of the accident that the person climbs over the guard is avoided on the bridge of municipal engineering. In addition, the parts mainly playing a linkage relation are all hidden in the protective pile, so that rusting and failure caused by rainwater corrosion are avoided. The pulley block is formed by the matching relationship of the steel rope, the sliding wheel and the rotating wheel, when the protective inner fence slides downwards under stress, the sliding wheel connected to the protective inner fence slides downwards, one end of the steel rope is fixed, and the other end of the steel rope is connected to the sliding block, so that the sliding block is driven to move upwards, the protective main fence at the moment also moves upwards along with the sliding block, and the relative movement between the protective inner fence and the protective main fence is ensured, namely when the protective inner fence slides downwards, the protective main fence slides upwards; finally, the protective fence slides to the upper part of the protective main fence to be matched with the protective inner fence; the linkage between the protective inner fence and the protective main fence is realized, and the situation that personnel cross the protective fence can be effectively avoided.
Consequently the utility model discloses a bridge protector for municipal works, the total height that can rise the rail guard fast that the upwards slip of protection owner fence, the personnel of avoiding are turned over the rail guard, ensure pedestrian's safety on the bridge. But also can quickly recover the original appearance for repeated use.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (4)
1. Bridge protector for municipal works, its characterized in that: the bridge protection structure comprises a bridge, a plurality of protection piles (100) are arranged on the bridge, a protection main fence (200) and a protection inner fence (300) are arranged between any two adjacent protection piles (100), the protection main fence (200) is arranged on the outer side of the protection inner fence (300), a linkage mechanism is arranged in each protection pile (100), and the linkage mechanism is connected with the protection main fence (200) and the protection inner fence (300); the relative movement between the protective inner fence (300) and the protective main fence (200) can ensure that the protective main fence (200) slides to the upper part of the protective inner fence (300) to be matched with each other; the linkage mechanism comprises a rotating wheel (108), a sliding wheel (105), a sliding block (106) and a steel rope (107), wherein the rotating wheel (108) is arranged on the protective pile (100), the sliding wheel (105) is arranged on the protective inner fence (300), and the sliding block (106) is arranged on the protective main fence (200); one end of the steel rope (107) is fixed on the protective pile (100), the other end of the steel rope (107) sequentially bypasses the sliding wheel (105) and the rotating wheel (108) and then is connected to the sliding block (106), and the protective inner fence (300) drives the sliding block (106) and the protective main fence (200) to slide through the sliding of the sliding wheel (105) through the steel rope (107).
2. The bridge protection device for municipal engineering according to claim 1, wherein: an upper sliding groove (103) and a lower sliding groove (102) are arranged on the protective pile (100), and the sliding block (106) can slide in the upper sliding groove (103); the sliding wheel (105) is connected with the protective inner fence (300) through a connecting shaft (303), and the connecting shaft (303) is arranged in the lower sliding groove (102) to slide; the steel rope (107) passes below the sliding wheel (105), and the steel rope (107) passes above the rotating wheel (108); when the protective inner fence (300) slides downwards, the protective main fence (200) can slide upwards to the upper part of the protective inner fence (300) to be matched with each other.
3. The bridge protection device for municipal engineering according to claim 2, wherein: the height of the protection main rail (200) is 2 times of that of the protection inner rail (300), and the stroke of the sliding block (106) in the upper sliding groove (103) is 2 times of that of the connecting shaft (303) in the lower sliding groove (102); when the protective inner fence (300) slides downwards to the bottom of the lower sliding groove (102), the protective main fence (200) slides upwards to the upper part of the protective inner fence (300) to be matched with each other.
4. The bridge protection device for municipal engineering according to claim 3, wherein: the weight of the protection main fence (200) is greater than that of the protection inner fence (300), so that the protection main fence (200) keeps a downward trend, and the protection inner fence (300) keeps an upward trend; during installation, the protective inner fence (300) is located in the middle area of the protective main fence (200), and the protective main fence (200) comprises transverse fences (201) arranged at the top and the bottom and a plurality of vertical fences (202) arranged between the two transverse fences (201).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022437756.6U CN214271686U (en) | 2020-10-27 | 2020-10-27 | Bridge protector for municipal works |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022437756.6U CN214271686U (en) | 2020-10-27 | 2020-10-27 | Bridge protector for municipal works |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214271686U true CN214271686U (en) | 2021-09-24 |
Family
ID=77772939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022437756.6U Expired - Fee Related CN214271686U (en) | 2020-10-27 | 2020-10-27 | Bridge protector for municipal works |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214271686U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114809802A (en) * | 2022-05-09 | 2022-07-29 | 茂名市野生动物救护研究中心(广东茂名森林公园动物园) | Wild animal protection isolated column |
-
2020
- 2020-10-27 CN CN202022437756.6U patent/CN214271686U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114809802A (en) * | 2022-05-09 | 2022-07-29 | 茂名市野生动物救护研究中心(广东茂名森林公园动物园) | Wild animal protection isolated column |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US Consumer Product Safety Commission | Public playground safety handbook | |
CN214271686U (en) | Bridge protector for municipal works | |
KR101490116B1 (en) | Fence for preventing suicide by jumping | |
JP2005264721A (en) | Evacuation apparatus to be used in the case of emergency such as tsunami and flood | |
CN111794671A (en) | Outdoor emergency ladder of formula aluminum alloy folded form is climbed to list | |
CN111852317A (en) | Aluminum alloy rotary outdoor escape system | |
EP1428938A3 (en) | Protector for safety rails | |
Sleet et al. | Injuries and the built environment | |
CN201416157Y (en) | Noctilucent guard rail | |
KR200454950Y1 (en) | Bicycle road fence | |
KR101219082B1 (en) | Net System for Rescue attempts | |
KR20210133431A (en) | The bridge rail fence for preventing suicide | |
KR102539800B1 (en) | Link type fall and suicide prevention fence type, and construction method of the fence | |
GB2430964A (en) | Barrier for preventing the passage of vehicles other than disabled vehicles | |
CN216008041U (en) | Garden road is with preventing climbing road guardrail structure | |
Staunton et al. | Changing the built environment to prevent injury | |
KR200370180Y1 (en) | A guardrail for road | |
KR102447799B1 (en) | Bi-directional angle adjustable cross-shaped safety handrail | |
CN215632057U (en) | Prevent down wire pole convenient to climbing | |
KR20120096623A (en) | Fence for animal protection | |
CN214935558U (en) | Lever linkage type anti-falling ladder stand | |
US9909272B2 (en) | Crash guard | |
US11105055B1 (en) | Apparatus and system for limiting transverse movement along an overhanging ledge | |
Consumer Product Safety Commission | Public playground safety handbook | |
KR102123084B1 (en) | Guard fence having function of shock absorption and sidewalk intrusion prevention |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |
|
CF01 | Termination of patent right due to non-payment of annual fee |