CN211205071U - Hard rock blasting protector - Google Patents

Abstract

The utility model discloses a hard rock blasting protection device, including guard plate and protection network, one side of guard plate is installed the protection network, the guard plate includes U type plate body, side direction slide rail and arc arch, side direction slide rail has been seted up respectively to the both sides of U type plate body, U type plate body has the protection network through side direction slide rail sliding connection, the internal surface of U type plate body is equipped with banding arc arch; the protective net comprises transverse chains, longitudinal chains, a mounting plate, a sliding block and bolts, wherein the transverse chains are connected between the longitudinal chains. This device adopts universal rotary joint and gyro wheel to connect and forms, can warp wantonly, reduces the damage, has avoided the rock mass to kick-back and has caused secondary damage, and the security is high, and the hard rock of fritter blocks through having the bellied guard plate of arc, not only can reduce the pressure that blocks of protection network, can block by a large scale moreover.

Description

Hard rock blasting protector

Technical Field

The utility model relates to a protector technical field especially relates to a hard rock blasting protector.

Background

The areas where mankind exploits coal resources in coal-rich mining areas are generally divided into miners and opencast mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities. The coal mine is a reasonable space excavated by human beings when excavating geological layers rich in coal, and generally comprises a roadway, a well cave, an excavation face and the like, hard rock is excavated in the coal mining process, the excavated hard rock can carry huge impact force and can impact around, irreparable loss can be caused no matter people, equipment or the inner wall of a mine is impacted, so that a wall body, personnel and equipment need to be protected, a protection device needs to be adopted, the existing protection device generally adopts a single-layer iron plate to be vertically placed for blocking, but the iron plate is easy to be damaged and cannot be used for multiple times, large hard rock blocks and small hard rock blocks are blocked, the stress is large, and the safety of protection is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hard rock blasting protector possesses the bilayer and blocks, and the high characteristics of security have solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a hard rock blasting protection device comprises a protection plate and a protection net, wherein the protection net is installed on one side of the protection plate, the protection plate comprises a U-shaped plate body, lateral slide rails and arc-shaped bulges, the lateral slide rails are respectively arranged on two sides of the U-shaped plate body, the U-shaped plate body is connected with the protection net in a sliding mode through the lateral slide rails, and strip-shaped arc-shaped bulges are arranged on the inner surface of the U-shaped plate body;

the protection network includes horizontal chain, vertical chain, mounting panel, slider and bolt, there is the mounting panel at the both ends of vertical chain through bolt lock joint, the one end welding of mounting panel has the slider, slider sliding connection has the side direction slide rail, two be connected with horizontal chain between the vertical chain.

Preferably, the longitudinal chain consists of a first roller unit and a fixed wheel, the mounting plate is fixedly connected with the fixed wheel through a bolt, and the fixed wheel is rotatably connected with seven longitudinally-arranged first roller units.

Preferably, the transverse chain is composed of a second roller unit and a rotating wheel, and the first roller unit is fixedly connected with the second roller unit through the rotating wheel.

Preferably, the first roller unit and the second roller unit are consistent in structure, the first roller unit is composed of a universal rotary joint and side plates, and the two ends of the universal rotary joint are rotatably connected with the side plates.

Preferably, a spring is connected between two adjacent sliding blocks.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the hard rock blasting protection device of the utility model arranges the surface of the protection net into the surface blasting position, the protection plate is positioned at the protection side, when large hard rock carries large impact force to impact the protective net, the protective net at the impact point protrudes to the protective board side, the spring is compressed, the slide block moves to the impacted position along the lateral slide rail, the protective net is formed by connecting a universal rotary joint and a roller, can be deformed randomly, reduces damage, avoids secondary damage caused by rock resilience, has high safety, and the net surface is larger, so that the impact force can be dispersed, the impact force carried by the large hard rock is reduced, the small hard rock carries smaller impact force compared with the large hard rock due to the light weight, but its quantity is many, blocks through the guard plate that has the arc arch, not only can reduce the barrier pressure of protection network, can block by a large scale moreover.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural diagram of a guard plate of the present invention;

fig. 3 is a structure diagram of the protective net of the utility model;

FIG. 4 is a connecting view of the transverse chain and the longitudinal chain of the present invention;

fig. 5 is a first roller unit structure diagram of the present invention.

In the figure: 1. a protection plate; 11. a U-shaped plate body; 12. a lateral slide rail; 13. an arc-shaped bulge; 2. a protective net; 21. a transverse chain; 211. a second roller unit; 212. a rotating wheel; 22. a longitudinal chain; 221. a first roller unit; 2211. a universal swivel joint; 2212. a side plate; 222. a fixed wheel; 23. a bolt; 24. mounting a plate; 25. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, a hard rock blasting protection device, including guard plate 1 and protection network 2, protection network 2 is installed to one side of guard plate 1, because the wire side is great, can disperse the impact force, reduce the impact force that big piece of hard rock carried, guard plate 1 includes U type plate 11, side direction slide rail 12 and arc arch 13, side direction slide rail 12 has been seted up respectively to the both sides of U type plate 11, U type plate 11 has protection network 2 through side direction slide rail 12 sliding connection, U type plate 11's internal surface is equipped with banding arc arch 13, the hard rock of fritter is because its quality is light, carry less impact force for big piece of hard rock relatively, but its is in large quantity, block through guard plate 1 that has arc arch 13, not only can reduce the pressure that blocks of protection network 2, and can block by a large scale.

Referring to fig. 3-5, the protection net 2 includes a horizontal chain 21, a vertical chain 22, a mounting plate 24, a slider 25 and a bolt 23, the mounting plate 24 is connected to two ends of the vertical chain 22 by the bolt 23, the slider 25 is welded to one end of the mounting plate 24, a spring is connected between two adjacent sliders 25, when the protection net 2 is placed, the surface of the protection net 2 is exploded, the protection plate 1 is located on the protection side, when large hard rocks carry huge impact force to impact the protective screen 2, the protective screen 2 at the impact point protrudes to the side of the protective board 1, the spring is compressed, the slide block 25 moves to the impacted part along the lateral slide rail 12, the protective net 2 is formed by connecting a universal rotary joint 2211 and rollers, can deform at will, reduces damage, avoids secondary damage caused by rebound of rock blocks, and is high in safety, a lateral slide rail 12 is connected with a slide block 25 in a sliding mode, and a transverse chain 21 is connected between two longitudinal chains 22; the longitudinal chain 22 consists of a first roller unit 221 and a fixed wheel 222, the mounting plate 24 is fixedly connected with the fixed wheel 222 through a bolt 23, and the fixed wheel 222 is rotatably connected with seven longitudinally-arranged first roller units 221; the transverse chain 21 consists of a second roller unit 211 and a rotating wheel 212, and the first roller unit 221 is fixedly connected with the second roller unit 211 through the rotating wheel 212; the first roller unit 221 and the second roller unit 211 have the same structure, the first roller unit 221 is composed of a universal rotary joint 2211 and side plates 2212, and the two ends of the universal rotary joint 2211 are rotatably connected with the side plates 2212.

The working principle is as follows: when the protective net is placed, the surface where the protective net 2 is located is blasted, the protective plate 1 is located on the protective side, when large hard rocks carry huge impact force to impact the protective net 2, the protective net 2 at the impact point protrudes to the protective plate 1 side, the spring is compressed, the sliding block 25 moves to the impacted position along the lateral sliding rail 12, the protective net 2 is formed by connecting a universal rotary joint 2211 and the roller, can be deformed randomly, reduces damage, avoids secondary damage caused by rock block resilience, has high safety, and the net surface is larger, so that the impact force can be dispersed, the impact force carried by the large hard rock is reduced, the small hard rock carries smaller impact force compared with the large hard rock due to the light weight, but the number is large, and the blocking pressure of the protective net 2 can be reduced and the large-area blocking can be realized by blocking through the protective plate 1 with the arc-shaped protrusions 13.

In summary, the following steps: the utility model discloses a hard rock blasting protector, put into the face looks blasting position with protection network 2 place, guard plate 1 is located the protection side, when the bold hard rock carries huge impact force to collide on protection network 2, the protection network 2 of impact point department is protruding to guard plate 1 side, the spring is compressed, slider 25 moves to the department of being impacted along side slide rail 12, this protection network 2 adopts universal rotary joint 2211 and gyro wheel to connect and form, can warp wantonly, reduce the damage, avoid the rock mass to kick-back and cause secondary damage, the security is high, and because the wire side is great, can disperse the impact force, reduce the impact force that the bold hard rock carried, the hard rock of fritter is light because its quality, carry less impact force relatively the bold hard rock, but its quantity is many, block through guard plate 1 with arc arch 13, not only can reduce the blocking pressure of protection network 2, but also can block in a large area.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a hard rock blasting protector, includes guard plate (1) and protection network (2), its characterized in that: the protective net (2) is installed on one side of the protective plate (1), the protective plate (1) comprises a U-shaped plate body (11), lateral sliding rails (12) and arc-shaped bulges (13), the lateral sliding rails (12) are respectively arranged on two sides of the U-shaped plate body (11), the U-shaped plate body (11) is connected with the protective net (2) in a sliding mode through the lateral sliding rails (12), and the strip-shaped arc-shaped bulges (13) are arranged on the inner surface of the U-shaped plate body (11);

protection network (2) are including horizontal chain (21), vertical chain (22), mounting panel (24), slider (25) and bolt (23), there are mounting panel (24) at the both ends of vertical chain (22) through bolt (23) locking connection, the one end welding of mounting panel (24) has slider (25), slider (25) sliding connection has side direction slide rail (12), two be connected with horizontal chain (21) between vertical chain (22).

2. A hard rock blast protection device according to claim 1, wherein: the longitudinal chain (22) is composed of a first roller unit (221) and a fixed wheel (222), the mounting plate (24) is fixedly connected with the fixed wheel (222) through a bolt (23), and the fixed wheel (222) is rotatably connected with seven first roller units (221) which are longitudinally arranged.

3. A hard rock blast protection device according to claim 2, wherein: horizontal chain (21) comprise second gyro wheel unit (211) and swiveling wheel (212), and first gyro wheel unit (221) are through swiveling wheel (212) fixedly connected with second gyro wheel unit (211).

4. A hard rock blast protection device according to claim 3, wherein: the first roller unit (221) and the second roller unit (211) are consistent in structure, the first roller unit (221) is composed of a universal rotating joint (2211) and side plates (2212), and the two ends of the universal rotating joint (2211) are rotatably connected with the side plates (2212).

5. A hard rock blast protection device according to claim 1, wherein: and a spring is connected between the two adjacent sliding blocks (25).

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