CN210558731U - Protection device, highway rail guard and fall terraced buffer system - Google Patents

Abstract

The utility model discloses a protector, highway rail guard and weight ladder buffer system aims at solving the technical problem that current protection technology can't provide better energy dissipation speed reduction effect. The utility model discloses a protective device, which comprises a fixed shaft and a roller body, wherein the roller body is rotationally connected with the fixed shaft; and the side surface of the roller body is fixedly provided with a sucker. The sucking disc can adsorb the moving object side, and the moving object dashes forward and drives the roll body and rotate, can make the vacuum chuck on the roll body adsorb the moving object surface in turn, provides continuous adsorption affinity and carries out the energy dissipation and slow down, and then reaches the purpose of buffering object velocity of motion. The utility model provides a protector can be applied to highway anticollision barrier and ramp and prevent swift current car guardrail and provide steady, safe braking effect for the vehicle out of control, also can be applied to the elevator field of preventing falling, reduces the probability and the loss of occurence of failure.

Description

Protection device, highway rail guard and fall terraced buffer system

Technical Field

The utility model relates to a safety protection technical field, concretely relates to protector, highway rail guard and weight ladder buffer system.

Background

In an emergency, a moving object (especially a large object moving at a high speed) needs to be protected by energy dissipation, buffering, deceleration and the like in a state of keeping balance and stability so as to avoid or reduce impact and damage caused by the object. For example, when a brake system of an automobile running on an expressway fails, the automobile is protected on the premise that the automobile is kept from being collided, rotated and rolled as far as possible, so that traffic accidents can be effectively avoided or losses caused by traffic accidents are reduced.

In the prior art, the protection device mostly carries out energy dissipation and speed reduction from the aspects of enhancing the elastic buffering effect or increasing the friction force and the like.

Chinese patent document CN203487489U discloses an energy dissipation structure for an anti-collision guardrail, which includes a left energy dissipation hollow box connected with the left side surface of the anti-collision guardrail, a right hollow box connected with the right side surface of the anti-collision guardrail, and elastic buffer members filled in the left energy dissipation hollow box and the right hollow box, so as to improve the energy dissipation effect of the anti-collision guardrail starting from reducing the rigidity of the anti-collision guardrail.

Chinese patent document CN201502046U discloses a concrete deceleration crash barrier, the main body is a concrete cast-in-place structure, the inner side surface of the cross-section structure of the crash barrier is a concave slope structure, the top of the crash barrier is provided with a wave-shaped impact-facing friction block protruding inwards, and the vehicle is energy-dissipating and decelerating by means of the wave-shaped impact-facing friction block to the friction force of the vehicle attached to the crash barrier.

However, the above-mentioned protection device relying on enhanced elastic buffering still has a large impact force on the moving object, and cannot provide a good energy dissipation and deceleration effect, for example, the deceleration effect of an automobile running by being attached to a guardrail is not good enough; and the protection is carried out by depending on the friction force, so that the moving object is easily greatly damaged and abraded due to strong friction, for example, an automobile running by being attached to a guardrail is damaged by friction, and even personnel are injured.

Therefore, it is necessary to develop and design a protection device with continuous and stable resistance, small damage and stable operation so as to reduce the damage of the high-speed moving object while completing the protection in an emergency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a resistance is steady in succession, the damage destroys protector, highway rail guard and weighs down terraced buffer system little, operates steadily, has solved the problem that current protection technology can't provide better energy dissipation speed reduction buffering effect.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the protection device comprises a fixed shaft and a roller body, wherein the roller body is rotationally connected with the fixed shaft; and the side surface of the roller body is fixedly provided with a sucker. The sucking disc can adsorb the moving object side, and the moving object dashes forward and drives the roll body and rotate, can make the vacuum chuck on the roll body adsorb the moving object surface in turn, provides continuous adsorption affinity and carries out the energy dissipation and slow down, and then reaches the purpose of buffering object velocity of motion.

Preferably, the device further comprises a base and a coil spring; the roller body can roll relative to the base, and two ends of the coil spring are respectively connected with the base and the roller body and used for generating a damping effect on the roller body.

Preferably, the diameter of the sucker is not more than half of the diameter of the cross section of the roller body.

Preferably, the suction cups are staggered.

Preferably, the roller body is made of an elastomer.

Preferably, the suction cup is made of any one of nitrile rubber, silicone rubber, polyurethane and fluororubber.

The highway protective guard comprises upright columns and cross rods arranged on two sides of a highway, wherein a plurality of fixing shafts are arranged between the upper cross rod and the lower cross rod, the fixing shafts are rotatably provided with the protective devices, the roller bodies are rollers, and the rollers are rotatably arranged on the fixing shafts.

The elevator falling buffer system is further designed, a certain number of the protective devices are arranged on the inner wall of at least one side of the near bottom of the elevator shaft, and the outer wall of the elevator car in the elevator shaft is tangent to or close to the periphery of the roller body when passing through the protective devices, so that the sucking disc can adsorb the outer wall of the passing bridge box.

Compared with the prior art, the utility model has the beneficial technical effects of:

1. the utility model discloses protector adopts the rolling sucker structure, provides continuous sucking disc suction and slows down moving object, and the impact force is little, and the resistance lasts steadily, easily keeps the especially high-speed moving object's of moving object balanced state, safe and reliable.

2. The utility model discloses protector utilizes sucking disc suction to carry out the energy dissipation speed reduction to the moving object, and it is soft to adsorb the contact surface, compares in current mainly relying on elastic buffer and frictional force to carry out the device that the energy dissipation was slowed down, and is less to damage, the wearing and tearing by the object that slows down.

3. The utility model discloses protector is different from the traditional thinking of reinforcing elastic buffer and increase frictional force, has overcome technical field technical personnel's thinking rampart, has solved the long-term technical problem who has the protection and damage and coexist in this field.

4. The utility model discloses protector can be applied to the safety protection of objects of high-speed motions such as highway, elevator car buffering, aircraft forced landing, uses extensively, and is significant in safety protection technical field.

Drawings

FIG. 1 is a schematic front view of a highway crash barrier according to embodiment 1;

FIG. 2 is a schematic top view of a roller body in the guard;

FIG. 3 is a perspective view of a roller body in the protection device;

fig. 4 is a schematic structural view of an elevator in embodiment 2;

fig. 5 is a top view of the structure of the elevator car and the guard of embodiment 2;

in the figure, 1 is a vertical column, 2 is a cross bar, 3 is a fixed shaft, 4 is a roller body, 5 is a sucker, 6 is a car, 7 is a transmission pulley block, 8 is a layer selection controller, 9 is a master controller, 10 is an electric motor, 11 is a counterweight unit, 12 is a protective device, 13 is an elastic device, and 14 is a well.

Detailed Description

The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.

The components and structures or unit modules referred to in the following examples are all conventional commercially available products unless otherwise specified.

Example 1: highway protective fence

Referring to fig. 1, the road guard rail is disposed at the edge of a road or at the position of a middle isolation belt, and includes a vertical column 1 and a cross bar 2 fixedly connected with the vertical column 1, wherein a plurality of fixing shafts 3 are disposed between the upper and lower cross bars 2, and the fixing shafts 3 are fixedly connected with the cross bars 2.

The fixed shaft 3 is rotatably connected with a roller body 4, and the roller body 4 is made of an elastomer for improving the shock resistance.

The roller body 4 further comprises a base and a coil spring, the roller body 4 can roll relative to the base, and two ends of the coil spring are respectively connected with the base and the roller body 4.

As shown in fig. 2 and 3, the side surface of the roller body 4 is provided with a plurality of suckers 5. The suckers 5 are regularly arranged on the side face of the roller body 4 and can be arranged in parallel or in a staggered manner, more suckers 5 can be arranged in the staggered manner, the adsorption area is increased, the adsorption force is enhanced, and the efficiency and the deceleration buffering effect are improved. In order to better ensure that the roller body 4 rotates to enable the suckers 5 to adsorb the surface of the vehicle in turn, the diameters of the cross sections of the suckers 4 and the roller body 4 are adapted, and the diameter of the suckers 5 is not more than 50% of the diameter of the cross section of the roller body 4. The material of the sucking disc 5 is nitrile rubber, silicon rubber, polyurethane, fluororubber and the like.

A row of fixed shafts 3 can be arranged between the two cross rods 2 of the road guard fence in parallel, and a plurality of rows of fixed shafts 3 can also be arranged in parallel; the roller body 4 can be parallel left and right or coaxial up and down; so as to multiply increase the adsorption buffering effect on the vehicle.

The road guard railing has the following use states:

when driver misoperation or vehicle rush to the guardrail because of out of control, at first rotate through roll body 4, change vehicle direction of motion, avoid not having the striking of buffering and directly rush out outside the guardrail, lateral impact exerts pressure to sucking disc 5 simultaneously, makes sucking disc 5 adsorb vehicle shell surface. In the process of the vehicle continuing to move forward, the suction force applied to the vehicle by the suction cup 5 can enable the vehicle to decelerate stably as soon as possible. Generally, the vehicle forward impact force is large, when the suction force of the suction cup 5 is not enough to continuously transmit the pulling force, the suction cup 5 is separated from the surface of the vehicle, the strong impact is prevented, and compared with an efficiency speed reducing device with an elastic buffering and friction structure, the vehicle forward impact force protection device provides a better instant overload protection function. Meanwhile, the roller body 4 is driven by the impact force of the vehicle to rotate, and other rotating suckers 5 are adsorbed on the surface of the vehicle to continue to provide adsorption force buffering. Like this, pivoted roll body 4 and the sucking disc 5 that adsorbs in turn on the vehicle surface provide lasting, steady resistance for the vehicle, have effectively prevented that the vehicle from taking place to roll, revolving because of hindering power unbalance. Meanwhile, the roller body 4, the sucker 5 and the vehicle body are in contact, so that the vehicle body is prevented from being in contact with the rigid guardrail, and the vehicle body is less damaged and abraded. The anti-collision guardrail adopting the rolling sucker type energy dissipation and speed reduction device can stably reduce the speed and brake of running vehicles, and effectively reduce the damage of traffic accidents to drivers and passengers and vehicles.

Example 2: falling ladder buffer system

The falling elevator buffer system is arranged on the inner wall of the elevator shaft 14 close to the bottom and comprises a plurality of groups of transversely arranged protective devices 12, wherein each protective device 12 comprises a rotatable roller body 4 and a sucker 5 fixedly arranged on the side surface of the roller body; the bottom of the elevator shaft 14 is provided with a resilient means 13.

When the elevator brake fails (the transmission pulley block 7 and the motor 10 fail), the system fails (the layer selection controller 8 and the master controller 9), the counterweight unit 11 fails or other reasons occur, when the car 6 falls to the position close to the bottom of the hoistway 14, as shown in fig. 5, the roller body 4 is attached to the outer wall of the elevator car 6, meanwhile, the vacuum suction cup 5 adsorbs the surface of the outer wall of the elevator car 6 to generate suction to slow down the falling of the car 6, and the elastic device 13 at the bottom of the hoistway 14 assists in buffering the car 6.

Multiple sets of guards 12 arranged along the hoistway 14 can produce a continuous and smooth braking effect on the falling car 6 from multiple sides of the elevator car 6 simultaneously, thereby reducing the incidence of elevator fall accidents and the loss of accidents. The falling elevator buffer system can be matched with other elevator brake systems for use, and further safety guarantee is provided.

The present invention has been described in detail with reference to the accompanying drawings and examples. However, it should be noted that the protection device of the present invention realizes the smooth and reliable energy dissipation deceleration of moving objects (especially large objects moving at high speed), not only is limited to decelerating vehicles and preventing elevator from falling, but also can be applied to safe deceleration and braking of mechanical amusement facilities derailment (such as roller coasters, water torrential flow ships), forced airplane descent, etc. Those skilled in the art can understand that, without departing from the spirit of the present invention, the specific structures and parameters of the above embodiments can be changed to form a plurality of specific embodiments, which are the common variation ranges of the present invention, and the detailed description is omitted here.

Claims (8)

1. The protective device is characterized by comprising a fixed shaft and a roller body, wherein the roller body is rotationally connected with the fixed shaft; and the side surface of the roller body is fixedly provided with a sucker.

2. The shielding device of claim 1, further comprising a base, a coil spring; the roller body can roll relative to the base, and two ends of the coil spring are respectively connected with the base and the roller body and used for generating a damping effect on the roller body.

3. The shield apparatus of claim 1 wherein the diameter of the suction cup is no greater than one-half of the diameter of the cross-section of the roller body.

4. Guard means according to claim 1 characterised in that the suction cups are staggered.

5. The shield apparatus of claim 1, wherein the roller body is made of an elastomer.

6. The guard of claim 1, wherein the suction cup is made of any one of nitrile rubber, silicone rubber, polyurethane, and viton.

7. A road guard rail comprises upright posts and cross bars arranged along two sides of a road, wherein a plurality of fixed shafts are arranged between the upper cross bar and the lower cross bar, the protective device of claim 1 is rotatably arranged on the fixed shafts, the roller body is a roller, and the roller is rotatably arranged on the fixed shafts.

8. An elevator buffer system, characterized in that a number of the protection devices of claim 1 are provided on at least one side of the inner wall of the elevator shaft near the bottom, and the outer wall of the elevator car in the elevator shaft is tangent to or adjacent to the periphery of the roller body when passing through the protection devices, so that the suction cup can suck the outer wall of the car passing through.

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