阅读说明：本技术 一种胶轮车车头柔性网拦截装置及拦截方法 (Rubber-tyred vehicle head flexible net intercepting device and method ) 是由 杜磊 王军祥 孙海滨 于 2021-07-13 设计创作，主要内容包括：本发明提供了一种胶轮车车头柔性网拦截装置及拦截方法,拦截装置包括吸能器和柔性拦截网,柔性拦截网的两端分别连接一个吸能器,柔性拦截网设于地沟的地槽内,地槽上设有盖板,柔性拦截网的两端分别连接有牵引装置。本发明将柔性拦截网置于地槽内,地槽上设有盖板,不影响车辆的正常通行,只有在胶轮车刹车失灵后,电控箱通过控制牵引装置将柔性拦截网从地槽内拉出,和吸能器配合,使车辆减速停止。由于柔性拦截网从地面升起,高度位于车辆前保险杠附近,拦截时主要是前保险杠受力；不同于从巷道顶部落下的拦截方式,若拦截网下落不到位,误拦截在前保险杠以上部分,如挡风玻璃处,则会造成车辆驾驶室的受力变形,对驾乘人员造成伤害。(The invention provides a rubber-tyred vehicle head flexible net intercepting device and an intercepting method. The electric cabinet pulls the flexible interception net out of the ground groove by controlling the traction device and is matched with the energy absorber to decelerate and stop the vehicle only after the rubber-tyred vehicle fails to brake. The flexible intercepting net is lifted from the ground, the height of the flexible intercepting net is near the front bumper of the vehicle, and the front bumper is stressed during intercepting; different from the intercepting mode of falling from the top of a roadway, if the intercepting net does not fall in place, the intercepting net is intercepted above a front bumper by mistake, such as a windshield, the force deformation of a vehicle cab can be caused, and drivers and passengers are injured.)

1. The utility model provides a rubber-tyred car locomotive flexible net intercepting device which characterized in that: the energy absorber is connected to each of two ends of the flexible intercepting net, the flexible intercepting net is arranged in a trench of the trench, a cover plate is arranged on the trench, and two ends of the flexible intercepting net are connected with traction devices respectively.

2. The rubber-tyred vehicle head flexible net intercepting device according to claim 1, characterized in that: the electric control box is connected with the traction device and the speed measuring radar arranged on the top of the roadway through electric signals, and is connected with the signal emitter arranged on the rubber-tyred vehicle through electric signals.

3. The rubber-tyred vehicle head flexible net intercepting device according to claim 1, characterized in that: the flexible intercepting net comprises a main steel wire rope, an auxiliary steel wire rope and a flexible net, wherein the main steel wire rope and the auxiliary steel wire rope respectively penetrate through the middle part and the upper and lower parts of the flexible net, two ends of the main steel wire rope are respectively connected with the energy absorbers on two sides, and the connection point of the auxiliary steel wire rope and the main steel wire rope is close to the energy absorbers.

4. The rubber-tyred vehicle head flexible net intercepting device according to claim 1, characterized in that: the geosyncline is articulated with the apron, the geosyncline comprises a plurality of geosyncline sections section connection.

5. The rubber-tyred vehicle head flexible net intercepting device according to claim 2, characterized in that: the traction device comprises a traction steel wire rope, a pulley block and an actuating mechanism, wherein one end of the traction steel wire rope is wound on the pulley block and then is connected with the actuating mechanism, the other end of the traction steel wire rope is connected with a flexible intercepting net, and the electric cabinet is in electric signal connection with the actuating mechanism.

6. The rubber-tyred vehicle head flexible net intercepting device according to claim 3, characterized in that: the energy absorber comprises a roller, a brake wheel and a brake belt, the brake wheel is arranged on two sides of a rotating shaft of the roller, the brake belt is in friction contact with the brake wheel, and the main steel wire rope is wound on the roller.

7. The rubber-tyred vehicle head flexible net intercepting device according to claim 3, characterized in that: the upper part of the steel pipe is sleeved on the auxiliary steel wire rope, two ends of the steel pipe are fixedly connected with the traction device, a rubber pipe is sleeved outside the steel pipe, and the main steel wire rope and the auxiliary steel wire rope are sleeved with rubber pipes.

8. A rubber-tyred vehicle intercepting method, which adopts the rubber-tyred vehicle head flexible net intercepting device of claim 5, is characterized by comprising the following steps:

step 1) respectively fixing an energy absorber at two sides of an inclined roadway ramp, fixing two ends of a steel wire rope of a flexible intercepting net on the energy absorbers, and winding the steel wire rope with a set braking distance on a roller of the energy absorbers;

and 2) after the rubber-tyred vehicle stalls, sending a signal to an electric cabinet after a speed measuring radar on the top of the roadway detects the stall, controlling the traction device to act by the electric cabinet, pulling out the flexible intercepting net from the geosyncline, wrapping the vehicle head after the rubber-tyred vehicle hits the flexible intercepting net, absorbing energy through an energy absorber, and enabling the rubber-tyred vehicle to decelerate and stop.

9. The rubber-tyred vehicle intercepting method according to claim 8, wherein: the specific process of controlling the action of the traction device by the electric cabinet in the step 2) is as follows: the electric cabinet controls the electromagnetic valve in the pneumatic control box to change direction, the electromagnetic valve drives the air cylinder to contract through compressed air in the air storage tank, the head of the driving air cylinder pulls the traction steel wire rope, the flexible intercepting net is pulled through the pulley block, and the flexible intercepting net is pulled out from the geosyncline.

Technical Field

The invention belongs to the technical field of mining rubber-tyred vehicles, and particularly relates to a rubber-tyred vehicle head flexible net intercepting device and method.

Background

In recent years, rubber-tyred vehicles are increasingly used in the transportation of large-scale underground coal mines in inclined roadways. Due to the loss of the safety protection of the rubber-tyred vehicle. When the vehicle is transported in an inclined drift, the casualties of drivers and passengers occur occasionally due to the fact that the vehicle is out of control caused by overspeed, brake failure and the like. This phenomenon has attracted a high level of attention from the industry. The safety protection of the rubber-tyred vehicle is also written into the standard of inclined roadway transportation of coal mines by national coal safety.

In the prior safety protection of rubber-tyred vehicles in inclined roadways, each large manufacturer mainly adopts the following three intercepting modes:

1. the wheel is blocked by using a triangular wood barrier; the wheel is very high when the speed of the vehicle is high by the interception mode

The barrier is easy to cross over the triangular wood barrier, so that the barrier cannot play a role in interception;

2. a tail hook and a buffer type energy absorber are used for intercepting; the tail hook is required to be installed on the rubber-tyred vehicle, the original vehicle structure is damaged and changed, and meanwhile the field installation difficulty of the tail hook is high;

3. a barrier net mode of intercepting the vehicle head by using a falling barrier net; when the automobile is not dropped in place, the cab is easily deformed in the mode, and therefore injury is caused to a driver.

Disclosure of Invention

The invention aims to provide a rubber-tyred vehicle head flexible net intercepting device, which overcomes the technical problems in the prior art.

The invention also aims to provide a rubber-tyred vehicle intercepting method, which can effectively intercept a vehicle with a brake failure.

Therefore, the technical scheme provided by the invention is as follows:

the utility model provides a rubber wheel vehicle locomotive flexible net intercepting device, includes energy absorber and flexible intercepting net, an energy absorber is connected respectively at the both ends of flexible intercepting net, flexible intercepting net locates in the geosyncline of trench, be equipped with the apron on the geosyncline, the both ends of flexible intercepting net are connected with draw gear respectively.

The electric control box is connected with the traction device and the speed measuring radar arranged on the top of the roadway through electric signals, and is connected with the signal emitter arranged on the rubber-tyred vehicle through electric signals.

The flexible intercepting net comprises a middle main steel wire rope, an upper auxiliary steel wire rope and a lower auxiliary steel wire rope, the main steel wire rope and the auxiliary steel wire rope respectively penetrate through the middle part and the upper and lower parts of the flexible net, two ends of the main steel wire rope are respectively connected with the energy absorbers on two sides, and the connection point of the auxiliary steel wire rope and the main steel wire rope is close to the energy absorbers.

The geosyncline is articulated with the apron, the geosyncline comprises a plurality of geosyncline sections section connection.

The traction device comprises a traction steel wire rope, a pulley block and an actuating mechanism, wherein one end of the traction steel wire rope is wound on the pulley block and then is connected with the actuating mechanism, the other end of the traction steel wire rope is connected with a flexible intercepting net, and the electric cabinet is in electric signal connection with the actuating mechanism.

The energy absorber comprises a roller, a brake wheel and a brake belt, the brake wheel is arranged on two sides of a rotating shaft of the roller, the brake belt is in friction contact with the brake wheel, and the main steel wire rope is wound on the roller.

The upper auxiliary steel wire rope is sleeved with a steel pipe, two ends of the steel pipe are fixedly connected with the traction device, a rubber pipe is sleeved outside the steel pipe, and the main steel wire rope and the lower auxiliary steel wire rope are sleeved with rubber pipes.

A rubber-tyred vehicle intercepting method adopts a rubber-tyred vehicle head flexible net intercepting device, and comprises the following steps:

step 1) respectively fixing an energy absorber at two sides of an inclined roadway ramp, fixing two ends of a steel wire rope of a flexible intercepting net on the energy absorbers, and winding the steel wire rope with a set braking distance on a roller of the energy absorbers;

and 2) after the rubber-tyred vehicle stalls, sending a signal to an electric cabinet after a speed measuring radar on the top of the roadway detects the stall, controlling the traction device to act by the electric cabinet, pulling out the flexible intercepting net from the geosyncline, wrapping the vehicle head after the rubber-tyred vehicle hits the flexible intercepting net, absorbing energy through an energy absorber, and enabling the rubber-tyred vehicle to decelerate and stop.

The specific process of controlling the action of the traction device by the electric cabinet in the step 2) is as follows: the electric cabinet controls the electromagnetic valve in the pneumatic control box to change direction, the electromagnetic valve drives the air cylinder to contract through compressed air in the air storage tank, the head of the driving air cylinder pulls the traction steel wire rope, the flexible intercepting net is pulled through the pulley block, and the flexible intercepting net is pulled out from the geosyncline.

The invention has the beneficial effects that:

according to the rubber-tyred vehicle head flexible net intercepting device provided by the invention, the flexible intercepting net is arranged in the ground groove, the cover plate is arranged on the ground groove, normal passing of a vehicle is not influenced, and only after the rubber-tyred vehicle fails in braking, the electric cabinet pulls the flexible intercepting net out of the ground groove by controlling the traction device and is matched with the energy absorber, so that the vehicle is decelerated and stopped. The flexible intercepting net is lifted from the ground, the height of the flexible intercepting net is near the front bumper of the vehicle, and the front bumper is stressed during intercepting; different from the intercepting mode of falling from the top of a roadway, when the intercepting net falls down, if the intercepting net does not fall in place and is intercepted at the windshield, the intercepting net can cause the stress deformation of a vehicle cab and damage to drivers and passengers.

This rubber-tyred car locomotive flexible net intercepting device, geosyncline segmentation sets up, can make draw gear strength reduce when promoting whole interception net. The device does not need to transform the vehicle, has strong adaptability, and can intercept the vehicle with brake failure effectively only by arranging the device in a roadway, thereby protecting drivers and passengers on the vehicle and greatly improving the safety production of coal mines.

The following will be described in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of one embodiment of flexible web interception;

FIG. 2 is a schematic structural view of an embodiment of the ground trough;

FIG. 3 is a schematic structural view of one embodiment of a pulley block;

FIG. 4 is a schematic structural view of one embodiment of an energy absorber;

FIG. 5 is a front view of a field implementation of the present invention;

FIG. 6 is a side view of a field implementation of the present invention;

fig. 7 is a top view of a field implementation of the present invention.

In the figure: 1. an energy absorber; 2. a flexible interception net; 3. a ground groove; 4. a pulley block; 5. a cylinder; 6. a pneumatic control box; 7. an electric cabinet; 8. a gas storage tank; 9. a speed measuring radar; 10. a drum; 11. a brake wheel; 12. a main wire rope; 13. an auxiliary wire rope; 14. a flexible mesh; 15. a traction wire rope; 16. a cover plate; 17. positioning the pulley; 18. a guide pulley; 19. a sump section; 20. a rubber-tyred vehicle.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.

Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.

Example 1:

the embodiment provides a rubber-tyred vehicle locomotive flexible net intercepting device, including energy absorber 1 and flexible intercepting net 2, an energy absorber 1 is connected respectively at the both ends of flexible intercepting net 2, flexible intercepting net 2 is located in geosyncline 3 of trench, be equipped with apron 16 on the geosyncline 3, the both ends of flexible intercepting net 2 are connected with draw gear respectively.

According to the flexible net intercepting device for the locomotive of the rubber-tyred vehicle, the flexible intercepting net 2 is placed in the ground groove 3, the cover plate 16 is arranged on the ground groove 3, normal passing of the vehicle is not influenced, and only after the rubber-tyred vehicle 20 fails in braking, the flexible intercepting net 2 is pulled out of the ground groove 3 and matched with the energy absorber 1, so that the vehicle is decelerated and stopped.

The flexible intercepting net 2 is lifted from the ground, the height of the flexible intercepting net is near the front bumper of the vehicle, and the front bumper is stressed during intercepting; different from the intercepting mode of falling from the top of a roadway, when the intercepting net falls down, if the intercepting net does not fall in place and is intercepted at the windshield, the intercepting net can cause the stress deformation of a vehicle cab and damage to drivers and passengers.

Example 2:

on the basis of embodiment 1, this embodiment provides a rubber-tyred vehicle locomotive flexible net intercepting device, still includes electric cabinet 7, electric cabinet 7 all passes through electric signal connection with draw gear, the radar 9 that tests the speed of installing on the top of the tunnel, electric cabinet 7 and the signal transmitter wireless connection who installs on rubber-tyred vehicle 20.

After the rubber-tyred vehicle 20 stalls, speed measuring radar 9 on the top of the roadway detects the back, sends signal to electric cabinet 7, and electric cabinet 7 control draw gear action pulls out flexible interception net 2 from geosyncline 3, hits flexible interception net 2 back at rubber-tyred vehicle 20, wraps up the locomotive, through the energy-absorbing of energy-absorber 1 energy-absorbing, makes rubber-tyred vehicle 20 slow down and stops.

When the speed measuring radar 9 breaks down and the vehicle brake fails, a driver and passengers send signals to the electric cabinet 7 through the signal transmitter on the rubber-tyred vehicle, and the actions are repeated to decelerate and stop the rubber-tyred vehicle 20.

Example 3:

on the basis of embodiment 1, the embodiment provides a rubber-tyred vehicle head flexible net intercepting device, the flexible intercepting net 2 includes a main steel wire rope 12, an auxiliary steel wire rope 13 and a flexible net 14, the main steel wire rope 12 and the auxiliary steel wire rope 13 respectively penetrate through the middle part and the upper and lower parts of the flexible net 14, two ends of the main steel wire rope 12 are respectively connected with energy absorbers 1 on two sides, and a connection point of the auxiliary steel wire rope 13 and the main steel wire rope 12 is close to the energy absorbers 1.

As shown in fig. 1, the main wire rope 12 in the middle of the flexible net 14 is wound around the drum 10 of the energy absorber 1 at both ends. The lower auxiliary wire rope 13 and the upper auxiliary wire rope 13 are connected to the middle main wire rope 12 by a rope clamp. The main steel wire rope 12 is connected with a roller of the energy absorber 1 to realize the blocking of the flexible intercepting net 2 to the vehicle; the steel pipe of the outer cover of the auxiliary steel wire rope 13 is used for being connected with a traction device, and the flexible intercepting net 2 is pulled out of the ground groove 3.

Example 4:

on the basis of embodiment 1, the embodiment provides a rubber-tyred vehicle head flexible net intercepting device, the geosyncline 3 is hinged with a cover plate 16, and the geosyncline 3 is formed by connecting a plurality of geosyncline segments 19 in a segmented manner.

As shown in fig. 2, the ground groove 3 is arranged in the traffic surface. The ground trough 3 is internally provided with a cavity for accommodating the flexible net 14, and the trough cavity is provided with a cover plate 16. The cover plate 16 and the ground groove 3 are connected by a hinge. The vehicle passes over the cover plate 16 at ordinary times, the floor trough section 19 is made into a standard length, and connecting pieces are arranged at two ends of the floor trough section and are used for connecting the sectional floor troughs 3 into a whole. Splicing in the trench on site according to the width of the roadway. The subsection of the geosyncline 3 can reduce the force of the traction device when lifting the whole interception net, the cover plate 16 close to the pulley block 4 of the traction device is firstly lifted, and the cover plate 16 in the middle is lifted later, so that when the traction device lifts the whole flexible net 14, the cover plate 16 in the whole roadway width is not lifted simultaneously, but the cover plates in the two sides and the middle are lifted in times.

Example 5:

on the basis of embodiment 2, this embodiment provides a rubber-tyred vehicle locomotive flexible net intercepting device, draw gear includes drawing wire rope, assembly pulley and actuating mechanism, draw wire rope one end around establishing on the assembly pulley after and be connected with actuating mechanism, draw the wire rope other end and be connected with flexible intercepting net, the electric cabinet is connected with the actuating mechanism signal of telecommunication.

In this embodiment, the actuating mechanism is a cylinder 5, one end of a traction steel wire rope 15 is wound on the pulley block 4 and then connected with the movable end of the cylinder 5, the other end of the traction steel wire rope is connected with the flexible intercepting net 2, an electromagnetic valve is arranged in a pneumatic control box 6 of the cylinder 5, and an electric control box 7 is in electric signal connection with the electromagnetic valve.

As shown in fig. 3, the pulley block 4 comprises a positioning pulley 17 and a guide pulley 18, the positioning pulley 17 and the guide pulley 18 are both mounted on the bottom plate, the positioning pulley 17 is used for controlling the lifting height of the net rack of the flexible intercepting net 2, and the guide pulley 18 is used for guiding the connection of the traction steel wire rope 15 and the air cylinder 5.

As shown in fig. 5, the pulley block 4 and the cylinder 5 pull the entire flexible intercepting net 2 by the pull wire 15, and lift it from the ground trough 3, and when the flexible intercepting net 2 is hit by a vehicle, the pull wire 15 is disconnected.

Example 6:

on the basis of embodiment 3, the embodiment provides a rubber-tyred vehicle head flexible net intercepting device, the energy absorber 1 includes a roller 10, a brake wheel 11 and a brake band, the brake wheel 11 is disposed on two sides of a rotating shaft of the roller 10, the brake band is in friction contact with the brake wheel 11, and the main steel wire rope 12 is wound on the roller 10.

The energy absorber 1 is installed on both sides of the roadway wall, as shown in fig. 4, a main steel wire rope 12 of the flexible interception net 2 is wound on a roller 10 of the energy absorber 1. Brake bands are provided on both sides of the drum 10. After the drum 10 rotates, the brake band clamps the brake wheel 11 on both sides of the drum 10, and the friction between the brake band and the brake wheel 11 increases. The kinetic energy of the vehicle is absorbed by friction between the brake band and the brake wheel 11.

Example 7:

on the basis of embodiment 3, this embodiment provides a rubber-tyred car locomotive flexible net intercepting device, and upper portion the cover has the steel pipe on the vice wire rope, the steel pipe both ends link firmly with draw gear, the rubber tube has been cup jointed to the steel pipe outside, cover has the rubber tube on main wire rope and the vice wire rope in lower part.

And a steel pipe is sleeved outside the auxiliary steel wire rope 13 of the flexible intercepting net 2, and fixed points are arranged at two ends of the steel pipe and used for drawing a steel wire rope 15 to draw the whole flexible intercepting net 2 net rack through the pulley block 4 and the air cylinder 5. The rubber tube is sleeved outside the steel tube, so that sparks are not easy to generate by collision when a vehicle collides with the upper intercepting net.

Example 8:

the embodiment provides a rubber-tyred vehicle intercepting method, which adopts a rubber-tyred vehicle head flexible net intercepting device and comprises the following steps:

step 1) respectively fixing an energy absorber 1 at two sides of an inclined roadway ramp, fixing two ends of a steel wire rope of a flexible intercepting net 2 on the energy absorbers 1, and winding the steel wire rope with a set braking distance on a roller 10 of the energy absorbers 1;

and step 2) after the rubber-tyred vehicle 20 stalls, the speed measuring radar 9 on the top of the roadway detects the stall, the speed measuring radar sends a signal to the electric cabinet 7, the electric cabinet 7 controls the traction device to act, the flexible intercepting net 2 is pulled out of the geosyncline 3, after the rubber-tyred vehicle 20 hits the flexible intercepting net 2, the vehicle head is wrapped, energy is absorbed through the energy absorber 1, and the rubber-tyred vehicle 20 is decelerated and stopped.

As shown in fig. 5 and 7, when a vehicle is collided, the traction steel wire rope 15 is disconnected, the two auxiliary steel wire ropes 13 and the main steel wire rope 12 are fixed together by using rope clamps to form a flexible intercepting net 2, the intercepting net forms a package for the vehicle head, and the flexible intercepting net 2 is driven by the foot wheel vehicle to move forwards together. Because the flexible intercepting net 2 is connected with the energy absorber 1, the vehicle drives the flexible intercepting net 2 to move forwards, the main steel wire rope 12 of the flexible intercepting net 2 drives the roller 10 of the energy absorber 1 to rotate, and the two ends of the roller 10 are provided with brake belts and brake wheels 11 to absorb energy through friction, so that the vehicle is decelerated and stopped.

Example 9:

on the basis of the embodiment 8, the embodiment provides a rubber-tyred vehicle intercepting method, and the specific process of the electric control box 7 controlling the action of the traction device in the step 2) is as follows: the electric cabinet 7 controls the electromagnetic valve in the gas control box 6 to change direction, the electromagnetic valve drives the cylinder 5 to contract through compressed gas in the gas storage tank 8, the head of the driving cylinder 5 pulls the traction steel wire rope 15, the flexible interception net 2 is pulled through the pulley block 4, and the flexible interception net 2 is pulled out from the geosyncline 3.

As shown in fig. 6, after the vehicle stalls, the speed measuring radar 9 on the top of the roadway detects the stall, sends a signal to the electric cabinet 7, the electric cabinet 7 controls the electromagnetic valve in the air control cabinet 6 to change direction, the electromagnetic valve drives the air cylinder 5 to contract through compressed air in the air storage tank 8, and the head of the air cylinder 5 is connected with a traction steel wire rope 15. The steel pipe on the flexible interception net 2 is lifted through the pulley block 4, the cover plate 16 is lifted through the steel pipe, the whole flexible interception net 2 is pulled out from the geosyncline 3, and an interception net is formed on the roadway.

The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention. .