CN218989941U

CN218989941U - Cutting falling stone protection device

Info

Publication number: CN218989941U
Application number: CN202320208120.5U
Authority: CN
Inventors: 崔富平; 韩佳磊; 李伊萌; 王涛; 杨继武; 李晓曦; 成永锋; 王厚林
Original assignee: China Railway First Engineering Group Railway Construction Co Ltd
Current assignee: China Railway First Engineering Group Railway Construction Co Ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-05-09
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a cutting and falling stone protection device, which relates to the technical field of cutting protection and comprises a roadbed and a cutting side slope, wherein a base is arranged above the roadbed, a protection plate is arranged above one side of the base, a protection net is arranged on the inner side of the protection plate, a buffer plate is arranged on one side of the protection plate, a guide rod is connected to one side of the buffer plate, and a spring is sleeved between the protection plate and the buffer plate outside the guide rod. The utility model is provided with the base, the protection plate and the protection net, so that stones rolling from the cutting slope can be effectively prevented from being crashed into the passing vehicles and constructors; be provided with buffer board, guide arm and spring, the falling stone is pounded to the protection network after, and the protection network receives the impact and can take place deformation to the direction of buffer board for the falling stone collides the buffer board, under the elasticity effect of spring, can play the effect of buffering to the impact force of falling stone, can also avoid falling stone to the impact force that the protection network caused too big, makes the protection network appear damaged.

Description

Cutting falling stone protection device

Technical Field

The utility model relates to the technical field of cutting protection, in particular to a cutting falling stone protection device.

Background

The excavated roadbed below the original ground is called cutting, and refers to a roadbed form excavated downwards from the original ground. It can play the role of moderating the control elevation of the longitudinal slope or the cross-linking line of the road passing through the ridge opening. The side slopes on two sides of the cutting are easy to damage under the conditions of rain wash and additional force of the vehicle, so that dangerous stones on the cutting side slope slide down to cause safety accidents.

Chinese patent publication No. CN217203678U discloses a cutting falling stone protector, concretely relates to falling stone field, including the protector body, the top surface of protector body is equipped with the protective cover, the bottom surface of protective cover is equipped with a plurality of pairwise first supporting shoe in articulated connection with the protector body. Through setting up the second supporting shoe, receive the pressure of falling the stone when the shield cover cooperation protector body uses, the shield cover will be stressed extrusion second supporting shoe is close to first supporting shoe this moment, and through setting up the connecting rod, will be the shrink form through connecting rod extrusion spring when the second supporting shoe is close to first supporting shoe, can promote the fixed plate when the spring shrink to certain extent and make the spring drive second supporting shoe reset afterwards, the second supporting shoe will keep away from first supporting shoe and reset this moment, the effect of being convenient for buffering has been realized, prevent that falling the stone pressure is great or the volume is great, lead to protector body and the damaged condition of shield cover.

The falling stone protection device in the above patent document is installed on the roadbed, and because of the huge length and width of the roadbed and the requirement of allowing vehicles and constructors to pass through the falling stone protection device, the falling stone protection device needs to have a very large volume, which increases construction cost and construction difficulty.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the cutting falling stone protection device, under the action of the elasticity of a spring, the buffer plate can buffer the impact force of falling stones, and the excessive impact force of falling stones on a protection net can be avoided, so that the protection net is damaged.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a cutting falling stone protector, includes road bed and cutting side slope, the top of road bed is provided with the base, the guard plate is installed to one side top of base, the protection network is installed to the inboard of guard plate, just one side of guard plate is provided with the buffer board, one side of buffer board is connected with the guide arm, the outside of guide arm is located the guard plate with the spring has been cup jointed between the buffer board.

Preferably, a connecting column is fixed on one side of the protection plate, one end of the connecting column is fixedly connected with a steel wire rope, and the steel wire rope is fixedly connected with the cutting slope through an anchor rod.

Preferably, the guide rod is fixedly connected with the buffer plate, and the guide rod is slidably connected with the protection plate.

Preferably, the upper surface of the base is in an arc surface structure, and convex cones are arranged at equal intervals below the base.

Preferably, a limiting piece is fixed at one end of the guide rod.

Preferably, a buffer cushion is arranged above the base, and the buffer cushion is fixedly connected with the base through gluing.

Preferably, the buffer convex parts are uniformly arranged above the buffer pad, and the buffer convex parts are in a spherical structure.

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

1. the cutting device is provided with the base, the protection plate and the protection net, so that stones rolling from the cutting side slope can be effectively prevented from being crashed into passing vehicles and constructors, the safety in the cutting construction process is improved, the cutting device is reasonable in size, easy to control the cost, simple and convenient to install and capable of being used rapidly;

2. be provided with buffer board, guide arm and spring, the falling stone is pounded to the protection network after, and the protection network receives the impact and can take place deformation to the direction of buffer board for the falling stone collides the buffer board, under the elasticity effect of spring, can play the effect of buffering to the impact force of falling stone, can also avoid falling stone to the impact force that the protection network caused too big, makes the protection network appear damaged.

Drawings

FIG. 1 is a schematic top view of an excavation cutting stone guard according to the present utility model;

FIG. 2 is an enlarged schematic view of the cutting and rockfall protection device shown in FIG. 1;

fig. 3 is a schematic bottom view of a cutting and falling stone protection device according to the present utility model.

In the figure: 1. roadbed; 2. cutting side slope; 3. a base; 4. a protection plate; 5. a protective net; 6. a buffer plate; 7. a guide rod; 8. a spring; 9. a cushion pad; 10. a buffer projection; 11. a connecting column; 12. a wire rope; 13. a bolt; 14. a convex cone.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a cutting falling stone protector, including road bed 1 and cutting side slope 2, the top of road bed 1 is provided with base 3, guard plate 4 is installed to one side top of base 3, guard net 5 is installed to the inboard of guard plate 4, and one side of guard plate 4 is provided with buffer plate 6, one side of buffer plate 6 is connected with guide arm 7, the outside of guide arm 7 is located between guard plate 4 and buffer plate 6 and cup joints spring 8, the falling stone is pounded to guard net 5 after, guard net 5 receives the impact and can take place deformation to the direction of buffer plate 6, make the falling stone collide to buffer plate 6, under the elasticity effect of spring 8, can play the cushioning effect to the impact force of falling stone, and can also avoid falling stone to the impact force that guard plate 5 causes too big, make guard net 5 appear damaging, guide arm 7 and buffer plate 6 fixed connection, and guide arm 7 and buffer plate 4 sliding connection, guide arm 7 plays spacing effect to buffer plate 6, avoid buffer plate 6 and 4 to take place to deviate from, the one end of guide arm 7 is fixed with spacing piece, limit piece and guide arm 4 can avoid completely deviating from.

The upper surface of base 3 is the cambered surface structure, and the equidistant convex cone 14 that is provided with in below of base 3, and base 3 is placed on road bed 1, and convex cone 14 pricks in road bed 1, can improve the grabbing force of base 3, and one side of guard plate 4 is fixed with spliced pole 11, and the one end fixedly connected with wire rope 12 of spliced pole 11, wire rope 12 pass through stock 13 and cutting slope 2 fixed connection, fix the one end of stock 13 on cutting slope 2 to utilize stock 13 and wire rope 12 to realize the fixed to this falling stone protector.

The top of base 3 is provided with blotter 9, and blotter 9 passes through sticky fixed connection with base 3, and the top of blotter 9 evenly is provided with buffering protruding spare 10, and buffering protruding spare 10 is spherical structure, and some falling rocks laminating cutting side slope 2 roll gradually, finally roll to base 3 on, and blotter 9 and buffering protruding spare 10 play the effect of buffering to this part falling rocks, avoid falling rocks direct impact on base 3, cause the damage to base 3.

According to the utility model, the base 3 is placed on the roadbed 1, the convex cone 14 is pricked into the roadbed 1, the ground grabbing force of the base 3 can be improved, one end of the anchor rod 13 is fixed on the cut side slope 2, thereby fixing the cut side slope 2 by utilizing the anchor rod 13 and the steel wire rope 12, a part of the cut side slope 2 can be gradually rolled down by the cut side slope 2, and finally the cut side slope 2 rolls down to the base 3, the buffer pad 9 and the buffer convex piece 10 play a role in buffering the part of the cut side slope, the cut side slope 3 is prevented from being directly impacted by the cut side slope 3 to cause damage to the base 3, a part of the cut side slope 2 can also jump and roll down, the cut side slope 5 can deform towards the buffer plate 6 after being impacted by the cut side slope 5, the cut side slope 5 can play a role in buffering the impact force of the cut side slope 2 under the elastic force of the spring 8, and the cut side slope 5 can be prevented from being excessively large, the cut side slope 5 can be prevented from being effectively controlled to be easily and rapidly thrown into the vehicle, and the device is easy to be installed, and the device is easy to be used, and the cost of a vehicle is easy to roll down.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a cutting falling stone protector, includes road bed (1) and cutting side slope (2), its characterized in that, the top of road bed (1) is provided with base (3), guard plate (4) are installed to one side top of base (3), guard net (5) are installed to the inboard of guard plate (4), just one side of guard plate (4) is provided with buffer board (6), one side of buffer board (6) is connected with guide arm (7), the outside of guide arm (7) is located guard plate (4) with spring (8) have been cup jointed between buffer board (6).

2. The cutting and falling stone protection device according to claim 1, wherein a connecting column (11) is fixed on one side of the protection plate (4), one end of the connecting column (11) is fixedly connected with a steel wire rope (12), and the steel wire rope (12) is fixedly connected with the cutting slope (2) through an anchor rod (13).

3. The cutting and falling stone protection device according to claim 1, characterized in that the guide rod (7) is fixedly connected with the buffer plate (6), and the guide rod (7) is slidingly connected with the protection plate (4).

4. The cutting and falling stone protection device according to claim 1, wherein the upper surface of the base (3) is in a cambered surface structure, and convex cones (14) are arranged at equal intervals below the base (3).

5. A cutting and rockfall protection device according to claim 3, characterized in that one end of the guide rod (7) is fixed with a limit piece.

6. The cutting and falling stone protection device according to claim 1, wherein a buffer pad (9) is arranged above the base (3), and the buffer pad (9) is fixedly connected with the base (3) through gluing.

7. The cutting and falling stone protection device according to claim 6, wherein buffer convex pieces (10) are uniformly arranged above the buffer pad (9), and the buffer convex pieces (10) are in a spherical structure.