1, refused to mount.
This is a wooden movable obstacle, which was used to block doors and prevent pedestrians from passing in Xia, Shang and Zhou dynasties, and later used to block and delay the actions of enemy troops and horses in combat, and can kill the enemy. Modern horse refusal is made of steel, of course, there are also wooden ones, which are generally placed in military administrative zones.
2. Abatis
Abatis is a barrier for building a city, which looks like antlers. It is usually set on the edge of forest, the road between forests and the road with street trees. The trunk Abatis is mainly used for anti-armored fighting vehicles, and the branch Abatis is used for anti-infantry and transport vehicles, which can be set or moved locally.
3, iron thistle
Iron thistle can be used to delay the enemy's action. Some iron thistles have holes in the middle, which can be connected in series with ropes for laying and collecting. Tribulus terrestris is a common defense equipment in the army. It is not only deployed around roads, defense zones and cities, but also around camps when troops are stationed.
4. Warning column
Warning posts are collision-proof and elastic, which are used to isolate roads, buildings and parking spaces and play a warning role for driving motor vehicles.
5. Cross posts
Crossing posts are generally set on both sides of small plane intersections along expressways to remind mainline vehicles to be vigilant and prevent accidents caused by sudden appearance of small branch vehicles.
6. Rubber cone
Rubber cones are common roadblocks and can move freely. Made of rubber vulcanized by high-temperature steam, it has good reflective effect and is suitable for isolation warning between urban intersection lanes, sidewalks and buildings.
7. Reflective road cone
Reflective road cones, also known as traffic cones, are made of rubber or plastic and mainly have three colors: red, yellow and blue. Red is mainly used for outdoor traffic, urban intersection lanes, outdoor parking lots, sidewalks and isolation warnings between buildings. Yellow is mainly used in dark places such as indoor parking lots, and blue is used in some special occasions, which belongs to the patented product of utility model.
8. Stone ball
Stone balls are set to prevent illegal parking of vehicles. They can be divided into many different styles. The common style is a high-brightness stone ball with a base. Dimensions are mainly 40 cm, 50 cm and 60 cm in diameter, supplemented by 30 cm and 80 cm. Other sizes need to be customized.
What is the purpose of roadblocks?
1, the installation of lifting riot barriers at the gates of state organs, military and other important units can effectively prevent foreign vehicles from entering and illegal vehicles from breaking in.
2. Installation of lifting roadblocks at pedestrian street intersections can restrict vehicle access. In case of emergency or special circumstances (such as fire, first aid, leadership inspection, etc.). ), roadblocks can be quickly lowered to facilitate the passage of vehicles.
3. Lifting roadblocks can be used in non-fully enclosed road isolation belts, which can prevent vehicles from turning left or turning around. In case of road construction, road congestion and other special circumstances, you can put down roadblocks to divert traffic.
4. Install roadblocks in residential areas, banks, schools and other places where vehicles are restricted to ensure the effective use of fire exits.
5. On the expressway, when emergency road closure is needed, it is convenient and quick to use mobile roadblocks, and it has a certain reminding function.