CN112647438A

CN112647438A - Can assemble fast, folding prevent falling rocks device

Info

Publication number: CN112647438A
Application number: CN202011627678.4A
Authority: CN
Inventors: 王战争; 李开琼; 杨维华; 汪田; 陆恒
Original assignee: China Harzone Industry Corp Ltd
Current assignee: China Harzone Industry Corp Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-13

Abstract

The invention discloses a rapid-assembling and folding rockfall prevention device, which comprises a protection component and a ground slide rail, wherein the protection component is arranged on the ground slide rail; the protection component comprises an arched portal frame, an X-shaped support and a flexible energy absorption net; the ground sliding rails are positioned on two sides of a road and laid along the length direction of the road, the plurality of arched door frames are arranged on the ground sliding rails, the X-shaped supports are arranged between the adjacent arched door frames, and the flexible energy absorption net is arranged on the top surfaces of the arched door frames; the arched door frame slides along the ground sliding rail, the X-shaped support rotates around a self hinged point, and the protection assembly is unfolded and folded after being locked in place. The invention can ensure the smoothness of the road under the rockfall.

Description

Can assemble fast, folding prevent falling rocks device

Technical Field

The invention relates to the technical field of road emergency facilities, in particular to a rapid assembled and foldable rockfall prevention device.

Background

Rockfall is a geological disaster which occurs in mountainous areas, is mostly caused by loose surface layers of hillsides caused by crust movement or rain erosion, is very easy to cause traffic blockage and accidents, and seriously harms the safety of vehicles and pedestrians. Therefore, before the disaster alarm is completely released, it is necessary to erect a safety protection channel in the rockfall area to ensure the safety of vehicles and pedestrians, and simultaneously to prevent the traffic from being blocked again. To the serious influence that road high slope rockfall, flying stone problem brought to the traffic, the current device that can be used to overcome rockfall, flying stone at present mainly has: the active side slope anti-falling net, the passive side slope anti-falling net and the slurry retaining wall. However, these methods are difficult to solve the problem of high-cut-slope flying stones and also difficult to solve various sudden falling stones and flying stones.

Disclosure of Invention

In view of the above, the invention provides a rapid-assembly and folding rockfall prevention device, which can ensure the smoothness of a road under rockfall.

The technical scheme adopted by the invention is as follows:

a rapid-assembling and folding anti-falling device comprises a protective component and a ground sliding rail;

the protection assembly comprises an arched portal, an X-shaped support and a flexible energy absorption net; the ground sliding rails are positioned on two sides of a road and laid along the length direction of the road, the plurality of arched door frames are arranged on the ground sliding rails, the X-shaped supports are arranged between the adjacent arched door frames, and the flexible energy absorption net is arranged on the top surfaces of the arched door frames; the arched door frame slides along the ground sliding rail, the X-shaped support rotates around a self hinged point, and the protection assembly is unfolded and folded after being locked in place.

Furthermore, the arched door frame comprises a hard door frame and a flexible energy absorption part, and the flexible energy absorption part is arranged on the outer side of the hard door frame.

Further, the hard door frame comprises upright columns, cross beams and arch rods;

the two arch bars and the cross beam form a triangular fixed structure, the arch bars are arranged at the top of the upright post and hinged with the upright post to form an arch door shape, and the included angle between the arch bars and the upright post is changed by adjusting the length of the cross beam; the upright post is provided with a vertical slideway, and the bottom of the upright post is provided with a travelling wheel and a lockset.

Further, the included angle ranges from 105 degrees to 120 degrees.

Furthermore, two bottoms of the X-shaped support are provided with a travelling wheel and a lockset, the top of the X-shaped support is hinged with the upright post, and the bottom of the X-shaped support slides in the vertical slideway.

Furthermore, the arch bar is of a multi-section structure, and the multi-section arch bar is hinged and folded around a hinge point.

Furthermore, a plurality of hinge points are arranged on the arch bar and the upright post to form fixed connection.

Further, the ground slide rail adopts crab-bolt and ground fixed connection.

Further, the anchor bolt is used for pouring concrete.

Has the advantages that:

1. the invention meets the protection requirement of falling rocks of the road, can adapt to the crooked road by utilizing the X-shaped support between the adjacent arched door frames; the matching structure of the flexible energy absorption net and the arched portal frame can solve the problem of high slope cutting and rock flying. The device is modularized and has high standardization degree, and the occupied space is small after the device is folded.

2. The flexible energy absorption part can absorb the impact energy of falling rocks and reduce the impact.

3. The beam and the arch bar of the hard portal frame form a triangular fixing structure together, so that the structure is stable; secondly, can change the angle of lever and stand thereby the adaptation crooked road turning radius through adjustment crossbeam length.

4. The arch bar is of a multi-section structure, and the multi-section arch bar is folded around a hinge point, so that the occupied space is small after the multi-section arch bar is folded.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an arched gantry;

FIG. 3 is a partial top view of the present invention;

FIGS. 4(a) and 4(b) are schematic views of a multi-section arch bar and its folding;

FIGS. 5(a) and 5(b) are partial side and partial front views of the connection between the upright post and the X-shaped bracket and the ground slide rail;

the device comprises a 1-rockfall prevention device, a 2-arched portal, a 3-X-shaped support, a 4-steel wire mesh, a 5-ground sliding rail, a 21-hard portal, a 22-flexible energy absorption part, a 211-arch bar, 212-upright columns, 213-slideways, 214-traveling wheels I, 215-cross beams, 31-traveling wheels II and 41-steel wire rings.

Detailed Description

The invention is described in detail below by way of example with reference to the accompanying drawings.

The embodiment provides a but assemble fast, folding rock fall prevention device, as shown in fig. 1, including arch portal 2, X shape support 3, flexible energy absorbing net and ground slide rail 5. Wherein, the arched portal 2, the X-shaped bracket 3 and the flexible energy absorption net form a protection component.

The ground sliding rails 5 are positioned on two sides of a road and are laid along the length direction of the road, the plurality of arched door frames 2 are arranged on the ground sliding rails 5, the X-shaped supports 3 are arranged between the adjacent arched door frames 2, the X-shaped supports 3 are arranged on the inner sides of the arched door frames 2, and the flexible energy absorption net is arranged on the top surfaces of the arched door frames 2; the arched gantry 2 slides along the ground sliding rail 5, the X-shaped support 3 rotates around a self hinge point, and the protection assembly is unfolded and folded after being locked in place.

The ground sliding rail 5 is fixedly connected with the foundation by adopting an anchor bolt, and the rockfall prevention device 1 can become a permanent protection structure after concrete is poured into the anchor bolt.

As shown in fig. 2, the arched portal 2 includes a hard portal 21 and a flexible energy absorbing member 22, and the flexible energy absorbing member 22 is disposed outside the hard portal 21. The flexible energy absorbing member 22 is filled with a polyurethane foam material, and can absorb impact energy of falling rocks. The rigid door frame 21 comprises a vertical column 212, a cross beam 215 and an arch bar 211; the two arch bars and the cross beam 215 form a triangular fixed structure, meanwhile, the arch bar 211 is arranged at the top of the upright post 212 and is hinged with the upright post 212 to form an arch door shape, and the included angle between the arch bar and the upright post is changed by adjusting the length of the cross beam 215; the included angle ranges from 105 degrees to 120 degrees. The upright post 212 is provided with a vertical slideway 213, and the bottom of the upright post 212 is provided with a travelling wheel I214 and a lockset I. The cross beam 215 is in a threaded fit with the screw rod through a hollow rod, internal threads are processed in the hollow rod, and the overall length of the cross beam 215 is changed through screwing in and screwing out of the hollow rod and the screw rod.

Two bottoms of X-shaped support 3 are provided with walking wheel II 31 and tool to lock II, and X-shaped support 3 top is articulated with stand 212, and the walking wheel II 31 of X-shaped support 3 bottom slides in vertical slide 213, locks through tool to lock II when sliding to the settlement position, forms stable structure. In this embodiment, the flexible energy absorbing net is a steel wire net 4, and the steel wire net 4 is disposed on the top surface of the arched portal 2, as shown in fig. 3, and is connected to the arch bar 211 through a steel wire ring 41. As shown in fig. 5(a) and 5(b), the arched gantry 2 rolls on the ground slide rail 5 through the travelling wheels i 214 to drive the rock fall prevention device 1 to unfold and fold; after the rock fall prevention device 1 is unfolded in place, the lock I is locked, and the fixed installation of the rock fall prevention device 1 is completed. The lockset I and the lockset II can be adjusting screw rods.

As shown in fig. 4(a) and 4(b), the arch bar 211 may also be a multi-segment structure, in which the multi-segment arch bar 211 is hinged and folded around a hinge point.

The arch bar 211 and the upright 212 may be provided with a plurality of hinge points to form a fixed connection.

In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rapid assembled and folded rock fall prevention device is characterized by comprising a protection component and a ground sliding rail;

2. The rapidly erectable, collapsible rockfall prevention device of claim 1, wherein said arched mast comprises a rigid mast and a compliant energy absorbing member disposed outboard of said rigid mast.

3. The rapidly erectable, collapsible rockfall prevention device of claim 2, wherein said rigid gantry comprises columns, beams and arches;

4. A rapid-erectable, collapsible rockfall prevention device as in claim 3, wherein said included angle is in the range of 105 ° to 120 °.

5. The rapidly erectable, collapsible rockfall prevention device of claim 3, wherein said X-shaped support has road wheels and locks at both bottoms, the top of the X-shaped support is hinged to said upright, and the bottom of the X-shaped support slides within said vertical slide.

6. A quick erectable, collapsible rockfall prevention device as in claim 2, wherein said arch bars are of a multi-segment construction, with the multi-segment arch bars being hinged and folded about the hinge point.

7. A quickly erectable, collapsible rockfall prevention device as in claim 2, wherein said arch bars and said columns are provided with a plurality of hinge points to form a fixed connection.

8. The rapidly erectable, collapsible rockfall prevention device of claim 1, wherein said ground track is fixedly connected to the foundation by anchor bolts.

9. The rapidly erectable, collapsible rockfall prevention device of claim 1, wherein said anchor is cast with concrete.